diff options
Diffstat (limited to 'drivers/power')
94 files changed, 856 insertions, 523 deletions
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index 63454b5cac27..ff0350ca3b74 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only source "drivers/power/avs/Kconfig" source "drivers/power/reset/Kconfig" source "drivers/power/supply/Kconfig" diff --git a/drivers/power/Makefile b/drivers/power/Makefile index ff35c712d824..b7c2e372186b 100644 --- a/drivers/power/Makefile +++ b/drivers/power/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_POWER_AVS) += avs/ obj-$(CONFIG_POWER_RESET) += reset/ obj-$(CONFIG_POWER_SUPPLY) += supply/ diff --git a/drivers/power/avs/Kconfig b/drivers/power/avs/Kconfig index a67eeace6a89..b5a217b828dc 100644 --- a/drivers/power/avs/Kconfig +++ b/drivers/power/avs/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only menuconfig POWER_AVS bool "Adaptive Voltage Scaling class support" help diff --git a/drivers/power/avs/Makefile b/drivers/power/avs/Makefile index ba4c7bc69225..a1b8cd453f19 100644 --- a/drivers/power/avs/Makefile +++ b/drivers/power/avs/Makefile @@ -1,2 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_POWER_AVS_OMAP) += smartreflex.o obj-$(CONFIG_ROCKCHIP_IODOMAIN) += rockchip-io-domain.o diff --git a/drivers/power/avs/rockchip-io-domain.c b/drivers/power/avs/rockchip-io-domain.c index d6a5e6bf5f12..398fc954419e 100644 --- a/drivers/power/avs/rockchip-io-domain.c +++ b/drivers/power/avs/rockchip-io-domain.c @@ -1,17 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Rockchip IO Voltage Domain driver * * Copyright 2014 MundoReader S.L. * Copyright 2014 Google, Inc. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/kernel.h> diff --git a/drivers/power/avs/smartreflex.c b/drivers/power/avs/smartreflex.c index c96c01e09740..4684e7df833a 100644 --- a/drivers/power/avs/smartreflex.c +++ b/drivers/power/avs/smartreflex.c @@ -899,38 +899,19 @@ static int omap_sr_probe(struct platform_device *pdev) } dev_info(&pdev->dev, "%s: SmartReflex driver initialized\n", __func__); - if (!sr_dbg_dir) { + if (!sr_dbg_dir) sr_dbg_dir = debugfs_create_dir("smartreflex", NULL); - if (IS_ERR_OR_NULL(sr_dbg_dir)) { - ret = PTR_ERR(sr_dbg_dir); - pr_err("%s:sr debugfs dir creation failed(%d)\n", - __func__, ret); - goto err_list_del; - } - } sr_info->dbg_dir = debugfs_create_dir(sr_info->name, sr_dbg_dir); - if (IS_ERR_OR_NULL(sr_info->dbg_dir)) { - dev_err(&pdev->dev, "%s: Unable to create debugfs directory\n", - __func__); - ret = PTR_ERR(sr_info->dbg_dir); - goto err_debugfs; - } - (void) debugfs_create_file("autocomp", S_IRUGO | S_IWUSR, - sr_info->dbg_dir, (void *)sr_info, &pm_sr_fops); - (void) debugfs_create_x32("errweight", S_IRUGO, sr_info->dbg_dir, - &sr_info->err_weight); - (void) debugfs_create_x32("errmaxlimit", S_IRUGO, sr_info->dbg_dir, - &sr_info->err_maxlimit); + debugfs_create_file("autocomp", S_IRUGO | S_IWUSR, sr_info->dbg_dir, + (void *)sr_info, &pm_sr_fops); + debugfs_create_x32("errweight", S_IRUGO, sr_info->dbg_dir, + &sr_info->err_weight); + debugfs_create_x32("errmaxlimit", S_IRUGO, sr_info->dbg_dir, + &sr_info->err_maxlimit); nvalue_dir = debugfs_create_dir("nvalue", sr_info->dbg_dir); - if (IS_ERR_OR_NULL(nvalue_dir)) { - dev_err(&pdev->dev, "%s: Unable to create debugfs directory for n-values\n", - __func__); - ret = PTR_ERR(nvalue_dir); - goto err_debugfs; - } if (sr_info->nvalue_count == 0 || !sr_info->nvalue_table) { dev_warn(&pdev->dev, "%s: %s: No Voltage table for the corresponding vdd. Cannot create debugfs entries for n-values\n", @@ -945,12 +926,12 @@ static int omap_sr_probe(struct platform_device *pdev) snprintf(name, sizeof(name), "volt_%lu", sr_info->nvalue_table[i].volt_nominal); - (void) debugfs_create_x32(name, S_IRUGO | S_IWUSR, nvalue_dir, - &(sr_info->nvalue_table[i].nvalue)); + debugfs_create_x32(name, S_IRUGO | S_IWUSR, nvalue_dir, + &(sr_info->nvalue_table[i].nvalue)); snprintf(name, sizeof(name), "errminlimit_%lu", sr_info->nvalue_table[i].volt_nominal); - (void) debugfs_create_x32(name, S_IRUGO | S_IWUSR, nvalue_dir, - &(sr_info->nvalue_table[i].errminlimit)); + debugfs_create_x32(name, S_IRUGO | S_IWUSR, nvalue_dir, + &(sr_info->nvalue_table[i].errminlimit)); } diff --git a/drivers/power/reset/Kconfig b/drivers/power/reset/Kconfig index 6533aa560aa1..980951dff834 100644 --- a/drivers/power/reset/Kconfig +++ b/drivers/power/reset/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only menuconfig POWER_RESET bool "Board level reset or power off" help diff --git a/drivers/power/reset/arm-versatile-reboot.c b/drivers/power/reset/arm-versatile-reboot.c index 06d34ab47df5..08d0a07b58ef 100644 --- a/drivers/power/reset/arm-versatile-reboot.c +++ b/drivers/power/reset/arm-versatile-reboot.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2014 Linaro Ltd. * * Author: Linus Walleij <linus.walleij@linaro.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2, as - * published by the Free Software Foundation. - * */ #include <linux/init.h> #include <linux/mfd/syscon.h> diff --git a/drivers/power/reset/as3722-poweroff.c b/drivers/power/reset/as3722-poweroff.c index 60d0295fffb1..661e1c67f82e 100644 --- a/drivers/power/reset/as3722-poweroff.c +++ b/drivers/power/reset/as3722-poweroff.c @@ -1,18 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Power off driver for ams AS3722 device. * * Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved. * * Author: Laxman Dewangan <ldewangan@nvidia.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. */ #include <linux/mfd/as3722.h> diff --git a/drivers/power/reset/axxia-reset.c b/drivers/power/reset/axxia-reset.c index b16013265142..f7b40be5d6b6 100644 --- a/drivers/power/reset/axxia-reset.c +++ b/drivers/power/reset/axxia-reset.c @@ -1,17 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Reset driver for Axxia devices * * Copyright (C) 2014 LSI - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <linux/init.h> #include <linux/err.h> diff --git a/drivers/power/reset/gpio-poweroff.c b/drivers/power/reset/gpio-poweroff.c index 52525b6c18db..6a4bbb506551 100644 --- a/drivers/power/reset/gpio-poweroff.c +++ b/drivers/power/reset/gpio-poweroff.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Toggles a GPIO pin to power down a device * @@ -5,11 +6,6 @@ * Andrew Lunn <andrew@lunn.ch> * * Copyright (C) 2012 Jamie Lentin - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/kernel.h> #include <linux/init.h> diff --git a/drivers/power/reset/gpio-restart.c b/drivers/power/reset/gpio-restart.c index 829b45f42021..2880cd5ae0d2 100644 --- a/drivers/power/reset/gpio-restart.c +++ b/drivers/power/reset/gpio-restart.c @@ -1,17 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Toggles a GPIO pin to restart a device * * Copyright (C) 2014 Google, Inc. * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * Based on the gpio-poweroff driver. */ #include <linux/reboot.h> diff --git a/drivers/power/reset/hisi-reboot.c b/drivers/power/reset/hisi-reboot.c index f69387e12c1e..0ba5fdce186f 100644 --- a/drivers/power/reset/hisi-reboot.c +++ b/drivers/power/reset/hisi-reboot.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Hisilicon SoC reset code * @@ -5,10 +6,6 @@ * Copyright (c) 2014 Linaro Ltd. * * Author: Haojian Zhuang <haojian.zhuang@linaro.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/delay.h> diff --git a/drivers/power/reset/keystone-reset.c b/drivers/power/reset/keystone-reset.c index 09380857a1c5..ad11faae19c5 100644 --- a/drivers/power/reset/keystone-reset.c +++ b/drivers/power/reset/keystone-reset.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * TI keystone reboot driver * * Copyright (C) 2014 Texas Instruments Incorporated. http://www.ti.com/ * * Author: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/io.h> diff --git a/drivers/power/reset/ltc2952-poweroff.c b/drivers/power/reset/ltc2952-poweroff.c index c484584745bc..e4a0cc45b3d1 100644 --- a/drivers/power/reset/ltc2952-poweroff.c +++ b/drivers/power/reset/ltc2952-poweroff.c @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * LTC2952 (PowerPath) driver * * Copyright (C) 2014, Xsens Technologies BV <info@xsens.com> * Maintainer: René Moll <linux@r-moll.nl> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * ---------------------------------------- * - Description * ---------------------------------------- @@ -50,7 +41,6 @@ * * The driver requires a non-shared, edge-triggered interrupt on the trigger * GPIO. - * */ #include <linux/kernel.h> diff --git a/drivers/power/reset/msm-poweroff.c b/drivers/power/reset/msm-poweroff.c index 01b8c71697cb..0c439f83bf65 100644 --- a/drivers/power/reset/msm-poweroff.c +++ b/drivers/power/reset/msm-poweroff.c @@ -1,14 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2013, The Linux Foundation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <linux/delay.h> diff --git a/drivers/power/reset/piix4-poweroff.c b/drivers/power/reset/piix4-poweroff.c index 20ce3ff5e039..7f308292d7e3 100644 --- a/drivers/power/reset/piix4-poweroff.c +++ b/drivers/power/reset/piix4-poweroff.c @@ -1,11 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2016 Imagination Technologies * Author: Paul Burton <paul.burton@mips.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/delay.h> diff --git a/drivers/power/reset/qnap-poweroff.c b/drivers/power/reset/qnap-poweroff.c index 2789a61cec68..52b7dc61d870 100644 --- a/drivers/power/reset/qnap-poweroff.c +++ b/drivers/power/reset/qnap-poweroff.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * QNAP Turbo NAS Board power off. Can also be used on Synology devices. * @@ -7,11 +8,6 @@ * * Copyright (C) 2009 Martin Michlmayr <tbm@cyrius.com> * Copyright (C) 2008 Byron Bradley <byron.bbradley@gmail.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/power/reset/reboot-mode.c b/drivers/power/reset/reboot-mode.c index 8f975ca0a8c4..06ff035b57f5 100644 --- a/drivers/power/reset/reboot-mode.c +++ b/drivers/power/reset/reboot-mode.c @@ -1,10 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) 2016, Fuzhou Rockchip Electronics Co., Ltd - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/device.h> diff --git a/drivers/power/reset/restart-poweroff.c b/drivers/power/reset/restart-poweroff.c index 41b22c4d5236..d233daa5835b 100644 --- a/drivers/power/reset/restart-poweroff.c +++ b/drivers/power/reset/restart-poweroff.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Power off by restarting and let u-boot keep hold of the machine * until the user presses a button for example. @@ -5,10 +6,6 @@ * Andrew Lunn <andrew@lunn.ch> * * Copyright (C) 2012 Andrew Lunn - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/kernel.h> #include <linux/init.h> diff --git a/drivers/power/reset/st-poweroff.c b/drivers/power/reset/st-poweroff.c index 2046b31232f7..5ccaacffab54 100644 --- a/drivers/power/reset/st-poweroff.c +++ b/drivers/power/reset/st-poweroff.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2014 STMicroelectronics * * Power off Restart driver, used in STMicroelectronics devices. * * Author: Christophe Kerello <christophe.kerello@st.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2, as - * published by the Free Software Foundation. */ #include <linux/module.h> diff --git a/drivers/power/reset/syscon-poweroff.c b/drivers/power/reset/syscon-poweroff.c index f9f1cb54fbf9..4d6923b102b6 100644 --- a/drivers/power/reset/syscon-poweroff.c +++ b/drivers/power/reset/syscon-poweroff.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Generic Syscon Poweroff Driver * * Copyright (c) 2015, National Instruments Corp. * Author: Moritz Fischer <moritz.fischer@ettus.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/kallsyms.h> diff --git a/drivers/power/reset/syscon-reboot-mode.c b/drivers/power/reset/syscon-reboot-mode.c index 563a97d7f73e..e0772c9f70f7 100644 --- a/drivers/power/reset/syscon-reboot-mode.c +++ b/drivers/power/reset/syscon-reboot-mode.c @@ -1,10 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) 2016, Fuzhou Rockchip Electronics Co., Ltd - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/init.h> diff --git a/drivers/power/reset/syscon-reboot.c b/drivers/power/reset/syscon-reboot.c index 5a6bb638c331..62fbba0df971 100644 --- a/drivers/power/reset/syscon-reboot.c +++ b/drivers/power/reset/syscon-reboot.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Generic Syscon Reboot Driver * * Copyright (c) 2013, Applied Micro Circuits Corporation * Author: Feng Kan <fkan@apm.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/delay.h> #include <linux/io.h> diff --git a/drivers/power/reset/vexpress-poweroff.c b/drivers/power/reset/vexpress-poweroff.c index e9e749f87517..90cbaa8341e3 100644 --- a/drivers/power/reset/vexpress-poweroff.c +++ b/drivers/power/reset/vexpress-poweroff.c @@ -1,12 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. * * Copyright (C) 2012 ARM Limited */ diff --git a/drivers/power/reset/xgene-reboot.c b/drivers/power/reset/xgene-reboot.c index 73c3d93e5318..0b0d2fd2bd0c 100644 --- a/drivers/power/reset/xgene-reboot.c +++ b/drivers/power/reset/xgene-reboot.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * AppliedMicro X-Gene SoC Reboot Driver * @@ -5,21 +6,6 @@ * Author: Feng Kan <fkan@apm.com> * Author: Loc Ho <lho@apm.com> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - * * This driver provides system reboot functionality for APM X-Gene SoC. * For system shutdown, this is board specify. If a board designer * implements GPIO shutdown, use the gpio-poweroff.c driver. diff --git a/drivers/power/reset/zx-reboot.c b/drivers/power/reset/zx-reboot.c index 186901c96c01..457950833dba 100644 --- a/drivers/power/reset/zx-reboot.c +++ b/drivers/power/reset/zx-reboot.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * ZTE zx296702 SoC reset code * * Copyright (c) 2015 Linaro Ltd. * * Author: Jun Nie <jun.nie@linaro.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/delay.h> diff --git a/drivers/power/supply/88pm860x_battery.c b/drivers/power/supply/88pm860x_battery.c index 63c57dc82ac1..5ca047b3f58f 100644 --- a/drivers/power/supply/88pm860x_battery.c +++ b/drivers/power/supply/88pm860x_battery.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Battery driver for Marvell 88PM860x PMIC * * Copyright (c) 2012 Marvell International Ltd. * Author: Jett Zhou <jtzhou@marvell.com> * Haojian Zhuang <haojian.zhuang@marvell.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/kernel.h> diff --git a/drivers/power/supply/88pm860x_charger.c b/drivers/power/supply/88pm860x_charger.c index 2b82e44d9027..f21ce52fbc04 100644 --- a/drivers/power/supply/88pm860x_charger.c +++ b/drivers/power/supply/88pm860x_charger.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Battery driver for Marvell 88PM860x PMIC * * Copyright (c) 2012 Marvell International Ltd. * Author: Jett Zhou <jtzhou@marvell.com> * Haojian Zhuang <haojian.zhuang@marvell.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/kernel.h> diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig index 26dacdab03cc..a873a0038cc8 100644 --- a/drivers/power/supply/Kconfig +++ b/drivers/power/supply/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only menuconfig POWER_SUPPLY bool "Power supply class support" help @@ -151,7 +152,7 @@ config BATTERY_PMU config BATTERY_OLPC tristate "One Laptop Per Child battery" - depends on X86_32 && OLPC + depends on OLPC_EC help Say Y to enable support for the battery on the OLPC laptop. @@ -688,4 +689,13 @@ config CHARGER_UCS1002 Say Y to enable support for Microchip UCS1002 Programmable USB Port Power Controller with Charger Emulation. +config CHARGER_BD70528 + tristate "ROHM bd70528 charger driver" + depends on MFD_ROHM_BD70528 + default n + help + Say Y here to enable support for getting battery status + information and altering charger configurations from charger + block of the ROHM BD70528 Power Management IC. + endif # POWER_SUPPLY diff --git a/drivers/power/supply/Makefile b/drivers/power/supply/Makefile index f208273f9686..346a8ef5f348 100644 --- a/drivers/power/supply/Makefile +++ b/drivers/power/supply/Makefile @@ -90,3 +90,4 @@ obj-$(CONFIG_CHARGER_CROS_USBPD) += cros_usbpd-charger.o obj-$(CONFIG_CHARGER_SC2731) += sc2731_charger.o obj-$(CONFIG_FUEL_GAUGE_SC27XX) += sc27xx_fuel_gauge.o obj-$(CONFIG_CHARGER_UCS1002) += ucs1002_power.o +obj-$(CONFIG_CHARGER_BD70528) += bd70528-charger.o diff --git a/drivers/power/supply/ab8500_btemp.c b/drivers/power/supply/ab8500_btemp.c index 708fd58cd62b..8fe81259bfd9 100644 --- a/drivers/power/supply/ab8500_btemp.c +++ b/drivers/power/supply/ab8500_btemp.c @@ -1,9 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) ST-Ericsson SA 2012 * * Battery temperature driver for AB8500 * - * License Terms: GNU General Public License v2 * Author: * Johan Palsson <johan.palsson@stericsson.com> * Karl Komierowski <karl.komierowski@stericsson.com> diff --git a/drivers/power/supply/ab8500_charger.c b/drivers/power/supply/ab8500_charger.c index 98b335042ba6..30de448de802 100644 --- a/drivers/power/supply/ab8500_charger.c +++ b/drivers/power/supply/ab8500_charger.c @@ -1,9 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) ST-Ericsson SA 2012 * * Charger driver for AB8500 * - * License Terms: GNU General Public License v2 * Author: * Johan Palsson <johan.palsson@stericsson.com> * Karl Komierowski <karl.komierowski@stericsson.com> diff --git a/drivers/power/supply/ab8500_fg.c b/drivers/power/supply/ab8500_fg.c index 776102c31305..6fc4bc30644c 100644 --- a/drivers/power/supply/ab8500_fg.c +++ b/drivers/power/supply/ab8500_fg.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) ST-Ericsson AB 2012 * @@ -8,7 +9,6 @@ * battery management is not used and the supported code is available in this * driver. * - * License Terms: GNU General Public License v2 * Author: * Johan Palsson <johan.palsson@stericsson.com> * Karl Komierowski <karl.komierowski@stericsson.com> diff --git a/drivers/power/supply/abx500_chargalg.c b/drivers/power/supply/abx500_chargalg.c index 947709cdd14e..23757fb10479 100644 --- a/drivers/power/supply/abx500_chargalg.c +++ b/drivers/power/supply/abx500_chargalg.c @@ -1,10 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) ST-Ericsson SA 2012 * Copyright (c) 2012 Sony Mobile Communications AB * * Charging algorithm driver for abx500 variants * - * License Terms: GNU General Public License v2 * Authors: * Johan Palsson <johan.palsson@stericsson.com> * Karl Komierowski <karl.komierowski@stericsson.com> diff --git a/drivers/power/supply/act8945a_charger.c b/drivers/power/supply/act8945a_charger.c index 8e117b31ba79..5f3eb6941d05 100644 --- a/drivers/power/supply/act8945a_charger.c +++ b/drivers/power/supply/act8945a_charger.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Power supply driver for the Active-semi ACT8945A PMIC * * Copyright (C) 2015 Atmel Corporation * * Author: Wenyou Yang <wenyou.yang@atmel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/interrupt.h> #include <linux/module.h> diff --git a/drivers/power/supply/adp5061.c b/drivers/power/supply/adp5061.c index 939fd3d8fb1a..003557043ab3 100644 --- a/drivers/power/supply/adp5061.c +++ b/drivers/power/supply/adp5061.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * ADP5061 I2C Programmable Linear Battery Charger * * Copyright 2018 Analog Devices Inc. - * - * Licensed under the GPL-2. */ #include <linux/init.h> diff --git a/drivers/power/supply/axp20x_ac_power.c b/drivers/power/supply/axp20x_ac_power.c index 59b4c8d3b961..0d34a932b6d5 100644 --- a/drivers/power/supply/axp20x_ac_power.c +++ b/drivers/power/supply/axp20x_ac_power.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * AXP20X and AXP22X PMICs' ACIN power supply driver * * Copyright (C) 2016 Free Electrons * Quentin Schulz <quentin.schulz@free-electrons.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/device.h> diff --git a/drivers/power/supply/axp20x_usb_power.c b/drivers/power/supply/axp20x_usb_power.c index d2b1255ee1cc..dc4c316eff81 100644 --- a/drivers/power/supply/axp20x_usb_power.c +++ b/drivers/power/supply/axp20x_usb_power.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * AXP20x PMIC USB power supply status driver * * Copyright (C) 2015 Hans de Goede <hdegoede@redhat.com> * Copyright (C) 2014 Bruno Prémont <bonbons@linux-vserver.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/bitops.h> diff --git a/drivers/power/supply/axp288_charger.c b/drivers/power/supply/axp288_charger.c index 00b961890a38..1bbba6bba673 100644 --- a/drivers/power/supply/axp288_charger.c +++ b/drivers/power/supply/axp288_charger.c @@ -1,18 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * axp288_charger.c - X-power AXP288 PMIC Charger driver * * Copyright (C) 2016-2017 Hans de Goede <hdegoede@redhat.com> * Copyright (C) 2014 Intel Corporation * Author: Ramakrishna Pallala <ramakrishna.pallala@intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/acpi.h> diff --git a/drivers/power/supply/axp288_fuel_gauge.c b/drivers/power/supply/axp288_fuel_gauge.c index 368281bc0d2b..44169dabb705 100644 --- a/drivers/power/supply/axp288_fuel_gauge.c +++ b/drivers/power/supply/axp288_fuel_gauge.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * axp288_fuel_gauge.c - Xpower AXP288 PMIC Fuel Gauge Driver * @@ -5,16 +6,6 @@ * Copyright (C) 2014 Intel Corporation * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * */ #include <linux/dmi.h> diff --git a/drivers/power/supply/bd70528-charger.c b/drivers/power/supply/bd70528-charger.c new file mode 100644 index 000000000000..1bb32b7226d7 --- /dev/null +++ b/drivers/power/supply/bd70528-charger.c @@ -0,0 +1,743 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +// +// Copyright (C) 2018 ROHM Semiconductors +// +// power-supply driver for ROHM BD70528 PMIC + +/* + * BD70528 charger HW state machine. + * + * The thermal shutdown state is not drawn. From any other state but + * battery error and suspend it is possible to go to TSD/TMP states + * if temperature is out of bounds. + * + * CHG_RST = H + * or CHG_EN=L + * or (DCIN2_UVLO=L && DCIN1_UVLO=L) + * or (DCIN2_OVLO=H & DCIN1_UVKLO=L) + * + * +--------------+ +--------------+ + * | | | | + * | Any state +-------> | Suspend | + * | | | | + * +--------------+ +------+-------+ + * | + * CHG_EN = H && BAT_DET = H && | + * No errors (temp, bat_ov, UVLO, | + * OVLO...) | + * | + * BAT_OV or +---------v----------+ + * (DBAT && TTRI) | | + * +-----------------+ Trickle Charge | <---------------+ + * | | | | + * | +-------+------------+ | + * | | | + * | | ^ | + * | V_BAT > VTRI_TH | | VBAT < VTRI_TH - 50mV | + * | | | | + * | v | | + * | | | + * | BAT_OV or +----------+----+ | + * | (DBAT && TFST) | | | + * | +----------------+ Fast Charge | | + * | | | | | + * v v +----+----------+ | + * | | + *+----------------+ ILIM_DET=L | ^ ILIM_DET | + *| | & CV_DET=H | | or CV_DET=L | + *| Battery Error | & VBAT > | | or VBAT < VRECHG_TH | + *| | VRECHG_TH | | or IBAT > IFST/x | + *+----------------+ & IBAT < | | | + * IFST/x v | | + * ^ | | + * | +---------+-+ | + * | | | | + * +-------------------+ Top OFF | | + * BAT_OV = H or | | | + * (DBAT && TFST) +-----+-----+ | + * | | + * Stay top-off for 15s | | + * v | + * | + * +--------+ | + * | | | + * | Done +-------------------------+ + * | | + * +--------+ VBAT < VRECHG_TH + */ + +#include <linux/kernel.h> +#include <linux/interrupt.h> +#include <linux/mfd/rohm-bd70528.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/power_supply.h> + +#define CHG_STAT_SUSPEND 0x0 +#define CHG_STAT_TRICKLE 0x1 +#define CHG_STAT_FAST 0x3 +#define CHG_STAT_TOPOFF 0xe +#define CHG_STAT_DONE 0xf +#define CHG_STAT_OTP_TRICKLE 0x10 +#define CHG_STAT_OTP_FAST 0x11 +#define CHG_STAT_OTP_DONE 0x12 +#define CHG_STAT_TSD_TRICKLE 0x20 +#define CHG_STAT_TSD_FAST 0x21 +#define CHG_STAT_TSD_TOPOFF 0x22 +#define CHG_STAT_BAT_ERR 0x7f + +static const char *bd70528_charger_model = "BD70528"; +static const char *bd70528_charger_manufacturer = "ROHM Semiconductors"; + +#define BD_ERR_IRQ_HND(_name_, _wrn_) \ +static irqreturn_t bd0528_##_name_##_interrupt(int irq, void *arg) \ +{ \ + struct power_supply *psy = (struct power_supply *)arg; \ + \ + power_supply_changed(psy); \ + dev_err(&psy->dev, (_wrn_)); \ + \ + return IRQ_HANDLED; \ +} + +#define BD_INFO_IRQ_HND(_name_, _wrn_) \ +static irqreturn_t bd0528_##_name_##_interrupt(int irq, void *arg) \ +{ \ + struct power_supply *psy = (struct power_supply *)arg; \ + \ + power_supply_changed(psy); \ + dev_dbg(&psy->dev, (_wrn_)); \ + \ + return IRQ_HANDLED; \ +} + +#define BD_IRQ_HND(_name_) bd0528_##_name_##_interrupt + +struct bd70528_psy { + struct regmap *regmap; + struct device *dev; + struct power_supply *psy; +}; + +BD_ERR_IRQ_HND(BAT_OV_DET, "Battery overvoltage detected\n"); +BD_ERR_IRQ_HND(DBAT_DET, "Dead battery detected\n"); +BD_ERR_IRQ_HND(COLD_DET, "Battery cold\n"); +BD_ERR_IRQ_HND(HOT_DET, "Battery hot\n"); +BD_ERR_IRQ_HND(CHG_TSD, "Charger thermal shutdown\n"); +BD_ERR_IRQ_HND(DCIN2_OV_DET, "DCIN2 overvoltage detected\n"); + +BD_INFO_IRQ_HND(BAT_OV_RES, "Battery voltage back to normal\n"); +BD_INFO_IRQ_HND(COLD_RES, "Battery temperature back to normal\n"); +BD_INFO_IRQ_HND(HOT_RES, "Battery temperature back to normal\n"); +BD_INFO_IRQ_HND(BAT_RMV, "Battery removed\n"); +BD_INFO_IRQ_HND(BAT_DET, "Battery detected\n"); +BD_INFO_IRQ_HND(DCIN2_OV_RES, "DCIN2 voltage back to normal\n"); +BD_INFO_IRQ_HND(DCIN2_RMV, "DCIN2 removed\n"); +BD_INFO_IRQ_HND(DCIN2_DET, "DCIN2 detected\n"); +BD_INFO_IRQ_HND(DCIN1_RMV, "DCIN1 removed\n"); +BD_INFO_IRQ_HND(DCIN1_DET, "DCIN1 detected\n"); + +struct irq_name_pair { + const char *n; + irqreturn_t (*h)(int irq, void *arg); +}; + +static int bd70528_get_irqs(struct platform_device *pdev, + struct bd70528_psy *bdpsy) +{ + int irq, i, ret; + unsigned int mask; + static const struct irq_name_pair bd70528_chg_irqs[] = { + { .n = "bd70528-bat-ov-res", .h = BD_IRQ_HND(BAT_OV_RES) }, + { .n = "bd70528-bat-ov-det", .h = BD_IRQ_HND(BAT_OV_DET) }, + { .n = "bd70528-bat-dead", .h = BD_IRQ_HND(DBAT_DET) }, + { .n = "bd70528-bat-warmed", .h = BD_IRQ_HND(COLD_RES) }, + { .n = "bd70528-bat-cold", .h = BD_IRQ_HND(COLD_DET) }, + { .n = "bd70528-bat-cooled", .h = BD_IRQ_HND(HOT_RES) }, + { .n = "bd70528-bat-hot", .h = BD_IRQ_HND(HOT_DET) }, + { .n = "bd70528-chg-tshd", .h = BD_IRQ_HND(CHG_TSD) }, + { .n = "bd70528-bat-removed", .h = BD_IRQ_HND(BAT_RMV) }, + { .n = "bd70528-bat-detected", .h = BD_IRQ_HND(BAT_DET) }, + { .n = "bd70528-dcin2-ov-res", .h = BD_IRQ_HND(DCIN2_OV_RES) }, + { .n = "bd70528-dcin2-ov-det", .h = BD_IRQ_HND(DCIN2_OV_DET) }, + { .n = "bd70528-dcin2-removed", .h = BD_IRQ_HND(DCIN2_RMV) }, + { .n = "bd70528-dcin2-detected", .h = BD_IRQ_HND(DCIN2_DET) }, + { .n = "bd70528-dcin1-removed", .h = BD_IRQ_HND(DCIN1_RMV) }, + { .n = "bd70528-dcin1-detected", .h = BD_IRQ_HND(DCIN1_DET) }, + }; + + for (i = 0; i < ARRAY_SIZE(bd70528_chg_irqs); i++) { + irq = platform_get_irq_byname(pdev, bd70528_chg_irqs[i].n); + if (irq < 0) { + dev_err(&pdev->dev, "Bad IRQ information for %s (%d)\n", + bd70528_chg_irqs[i].n, irq); + return irq; + } + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + bd70528_chg_irqs[i].h, + IRQF_ONESHOT, + bd70528_chg_irqs[i].n, + bdpsy->psy); + + if (ret) + return ret; + } + /* + * BD70528 irq controller is not touching the main mask register. + * So enable the charger block interrupts at main level. We can just + * leave them enabled as irq-controller should disable irqs + * from sub-registers when IRQ is disabled or freed. + */ + mask = BD70528_REG_INT_BAT1_MASK | BD70528_REG_INT_BAT2_MASK; + ret = regmap_update_bits(bdpsy->regmap, + BD70528_REG_INT_MAIN_MASK, mask, 0); + if (ret) + dev_err(&pdev->dev, "Failed to enable charger IRQs\n"); + + return ret; +} + +static int bd70528_get_charger_status(struct bd70528_psy *bdpsy, int *val) +{ + int ret; + unsigned int v; + + ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_CURR_STAT, &v); + if (ret) { + dev_err(bdpsy->dev, "Charger state read failure %d\n", + ret); + return ret; + } + + switch (v & BD70528_MASK_CHG_STAT) { + case CHG_STAT_SUSPEND: + /* Maybe we should check the CHG_TTRI_EN? */ + case CHG_STAT_OTP_TRICKLE: + case CHG_STAT_OTP_FAST: + case CHG_STAT_OTP_DONE: + case CHG_STAT_TSD_TRICKLE: + case CHG_STAT_TSD_FAST: + case CHG_STAT_TSD_TOPOFF: + case CHG_STAT_BAT_ERR: + *val = POWER_SUPPLY_STATUS_NOT_CHARGING; + break; + case CHG_STAT_DONE: + *val = POWER_SUPPLY_STATUS_FULL; + break; + case CHG_STAT_TRICKLE: + case CHG_STAT_FAST: + case CHG_STAT_TOPOFF: + *val = POWER_SUPPLY_STATUS_CHARGING; + break; + default: + *val = POWER_SUPPLY_STATUS_UNKNOWN; + break; + } + + return 0; +} + +static int bd70528_get_charge_type(struct bd70528_psy *bdpsy, int *val) +{ + int ret; + unsigned int v; + + ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_CURR_STAT, &v); + if (ret) { + dev_err(bdpsy->dev, "Charger state read failure %d\n", + ret); + return ret; + } + + switch (v & BD70528_MASK_CHG_STAT) { + case CHG_STAT_TRICKLE: + *val = POWER_SUPPLY_CHARGE_TYPE_TRICKLE; + break; + case CHG_STAT_FAST: + case CHG_STAT_TOPOFF: + *val = POWER_SUPPLY_CHARGE_TYPE_FAST; + break; + case CHG_STAT_DONE: + case CHG_STAT_SUSPEND: + /* Maybe we should check the CHG_TTRI_EN? */ + case CHG_STAT_OTP_TRICKLE: + case CHG_STAT_OTP_FAST: + case CHG_STAT_OTP_DONE: + case CHG_STAT_TSD_TRICKLE: + case CHG_STAT_TSD_FAST: + case CHG_STAT_TSD_TOPOFF: + case CHG_STAT_BAT_ERR: + *val = POWER_SUPPLY_CHARGE_TYPE_NONE; + break; + default: + *val = POWER_SUPPLY_CHARGE_TYPE_UNKNOWN; + break; + } + + return 0; +} + +static int bd70528_get_battery_health(struct bd70528_psy *bdpsy, int *val) +{ + int ret; + unsigned int v; + + ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_BAT_STAT, &v); + if (ret) { + dev_err(bdpsy->dev, "Battery state read failure %d\n", + ret); + return ret; + } + /* No battery? */ + if (!(v & BD70528_MASK_CHG_BAT_DETECT)) + *val = POWER_SUPPLY_HEALTH_DEAD; + else if (v & BD70528_MASK_CHG_BAT_OVERVOLT) + *val = POWER_SUPPLY_HEALTH_OVERVOLTAGE; + else if (v & BD70528_MASK_CHG_BAT_TIMER) + *val = POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE; + else + *val = POWER_SUPPLY_HEALTH_GOOD; + + return 0; +} + +static int bd70528_get_online(struct bd70528_psy *bdpsy, int *val) +{ + int ret; + unsigned int v; + + ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_IN_STAT, &v); + if (ret) { + dev_err(bdpsy->dev, "DC1 IN state read failure %d\n", + ret); + return ret; + } + + *val = (v & BD70528_MASK_CHG_DCIN1_UVLO) ? 1 : 0; + + return 0; +} + +static int bd70528_get_present(struct bd70528_psy *bdpsy, int *val) +{ + int ret; + unsigned int v; + + ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_BAT_STAT, &v); + if (ret) { + dev_err(bdpsy->dev, "Battery state read failure %d\n", + ret); + return ret; + } + + *val = (v & BD70528_MASK_CHG_BAT_DETECT) ? 1 : 0; + + return 0; +} + +struct linear_range { + int min; + int step; + int vals; + int low_sel; +}; + +static const struct linear_range current_limit_ranges[] = { + { + .min = 5, + .step = 1, + .vals = 36, + .low_sel = 0, + }, + { + .min = 40, + .step = 5, + .vals = 5, + .low_sel = 0x23, + }, + { + .min = 60, + .step = 20, + .vals = 8, + .low_sel = 0x27, + }, + { + .min = 200, + .step = 50, + .vals = 7, + .low_sel = 0x2e, + } +}; + +/* + * BD70528 would support setting and getting own charge current/ + * voltage for low temperatures. The driver currently only reads + * the charge current at room temperature. We do set both though. + */ +static const struct linear_range warm_charge_curr[] = { + { + .min = 10, + .step = 10, + .vals = 20, + .low_sel = 0, + }, + { + .min = 200, + .step = 25, + .vals = 13, + .low_sel = 0x13, + }, +}; + +/* + * Cold charge current selectors are identical to warm charge current + * selectors. The difference is that only smaller currents are available + * at cold charge range. + */ +#define MAX_COLD_CHG_CURR_SEL 0x15 +#define MAX_WARM_CHG_CURR_SEL 0x1f +#define MIN_CHG_CURR_SEL 0x0 + +static int find_value_for_selector_low(const struct linear_range *r, + int selectors, unsigned int sel, + unsigned int *val) +{ + int i; + + for (i = 0; i < selectors; i++) { + if (r[i].low_sel <= sel && r[i].low_sel + r[i].vals >= sel) { + *val = r[i].min + (sel - r[i].low_sel) * r[i].step; + return 0; + } + } + return -EINVAL; +} + +/* + * For BD70528 voltage/current limits we happily accept any value which + * belongs the range. We could check if value matching the selector is + * desired by computing the range min + (sel - sel_low) * range step - but + * I guess it is enough if we use voltage/current which is closest (below) + * the requested? + */ +static int find_selector_for_value_low(const struct linear_range *r, + int selectors, unsigned int val, + unsigned int *sel, bool *found) +{ + int i; + int ret = -EINVAL; + + *found = false; + for (i = 0; i < selectors; i++) { + if (r[i].min <= val) { + if (r[i].min + r[i].step * r[i].vals >= val) { + *found = true; + *sel = r[i].low_sel + (val - r[i].min) / + r[i].step; + ret = 0; + break; + } + /* + * If the range max is smaller than requested + * we can set the max supported value from range + */ + *sel = r[i].low_sel + r[i].vals; + ret = 0; + } + } + return ret; +} + +static int get_charge_current(struct bd70528_psy *bdpsy, int *ma) +{ + unsigned int sel; + int ret; + + ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_CHG_CURR_WARM, + &sel); + if (ret) { + dev_err(bdpsy->dev, + "Charge current reading failed (%d)\n", ret); + return ret; + } + + sel &= BD70528_MASK_CHG_CHG_CURR; + + ret = find_value_for_selector_low(&warm_charge_curr[0], + ARRAY_SIZE(warm_charge_curr), sel, + ma); + if (ret) { + dev_err(bdpsy->dev, + "Unknown charge current value 0x%x\n", + sel); + } + + return ret; +} + +static int get_current_limit(struct bd70528_psy *bdpsy, int *ma) +{ + unsigned int sel; + int ret; + + ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_DCIN_ILIM, + &sel); + + if (ret) { + dev_err(bdpsy->dev, + "Input current limit reading failed (%d)\n", ret); + return ret; + } + + sel &= BD70528_MASK_CHG_DCIN_ILIM; + + ret = find_value_for_selector_low(¤t_limit_ranges[0], + ARRAY_SIZE(current_limit_ranges), sel, + ma); + + if (ret) { + /* Unspecified values mean 500 mA */ + *ma = 500; + } + return 0; +} + +static enum power_supply_property bd70528_charger_props[] = { + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_CHARGE_TYPE, + POWER_SUPPLY_PROP_HEALTH, + POWER_SUPPLY_PROP_PRESENT, + POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT, + POWER_SUPPLY_PROP_MODEL_NAME, + POWER_SUPPLY_PROP_MANUFACTURER, +}; + +static int bd70528_charger_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct bd70528_psy *bdpsy = power_supply_get_drvdata(psy); + int ret = 0; + + switch (psp) { + case POWER_SUPPLY_PROP_STATUS: + return bd70528_get_charger_status(bdpsy, &val->intval); + case POWER_SUPPLY_PROP_CHARGE_TYPE: + return bd70528_get_charge_type(bdpsy, &val->intval); + case POWER_SUPPLY_PROP_HEALTH: + return bd70528_get_battery_health(bdpsy, &val->intval); + case POWER_SUPPLY_PROP_PRESENT: + return bd70528_get_present(bdpsy, &val->intval); + case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT: + ret = get_current_limit(bdpsy, &val->intval); + val->intval *= 1000; + return ret; + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: + ret = get_charge_current(bdpsy, &val->intval); + val->intval *= 1000; + return ret; + case POWER_SUPPLY_PROP_ONLINE: + return bd70528_get_online(bdpsy, &val->intval); + case POWER_SUPPLY_PROP_MODEL_NAME: + val->strval = bd70528_charger_model; + return 0; + case POWER_SUPPLY_PROP_MANUFACTURER: + val->strval = bd70528_charger_manufacturer; + return 0; + default: + break; + } + + return -EINVAL; +} + +static int bd70528_prop_is_writable(struct power_supply *psy, + enum power_supply_property psp) +{ + switch (psp) { + case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT: + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: + return 1; + default: + break; + } + return 0; +} + +static int set_charge_current(struct bd70528_psy *bdpsy, int ma) +{ + unsigned int reg; + int ret = 0, tmpret; + bool found; + + if (ma > 500) { + dev_warn(bdpsy->dev, + "Requested charge current %u exceed maximum (500mA)\n", + ma); + reg = MAX_WARM_CHG_CURR_SEL; + goto set; + } + if (ma < 10) { + dev_err(bdpsy->dev, + "Requested charge current %u smaller than min (10mA)\n", + ma); + reg = MIN_CHG_CURR_SEL; + ret = -EINVAL; + goto set; + } + + ret = find_selector_for_value_low(&warm_charge_curr[0], + ARRAY_SIZE(warm_charge_curr), ma, + ®, &found); + if (ret) { + reg = MIN_CHG_CURR_SEL; + goto set; + } + if (!found) { + /* There was a gap in supported values and we hit it */ + dev_warn(bdpsy->dev, + "Unsupported charge current %u mA\n", ma); + } +set: + + tmpret = regmap_update_bits(bdpsy->regmap, + BD70528_REG_CHG_CHG_CURR_WARM, + BD70528_MASK_CHG_CHG_CURR, reg); + if (tmpret) + dev_err(bdpsy->dev, + "Charge current write failure (%d)\n", tmpret); + + if (reg > MAX_COLD_CHG_CURR_SEL) + reg = MAX_COLD_CHG_CURR_SEL; + + if (!tmpret) + tmpret = regmap_update_bits(bdpsy->regmap, + BD70528_REG_CHG_CHG_CURR_COLD, + BD70528_MASK_CHG_CHG_CURR, reg); + + if (!ret) + ret = tmpret; + + return ret; +} + +#define MAX_CURR_LIMIT_SEL 0x34 +#define MIN_CURR_LIMIT_SEL 0x0 + +static int set_current_limit(struct bd70528_psy *bdpsy, int ma) +{ + unsigned int reg; + int ret = 0, tmpret; + bool found; + + if (ma > 500) { + dev_warn(bdpsy->dev, + "Requested current limit %u exceed maximum (500mA)\n", + ma); + reg = MAX_CURR_LIMIT_SEL; + goto set; + } + if (ma < 5) { + dev_err(bdpsy->dev, + "Requested current limit %u smaller than min (5mA)\n", + ma); + reg = MIN_CURR_LIMIT_SEL; + ret = -EINVAL; + goto set; + } + + ret = find_selector_for_value_low(¤t_limit_ranges[0], + ARRAY_SIZE(current_limit_ranges), ma, + ®, &found); + if (ret) { + reg = MIN_CURR_LIMIT_SEL; + goto set; + } + if (!found) { + /* There was a gap in supported values and we hit it ?*/ + dev_warn(bdpsy->dev, "Unsupported current limit %umA\n", + ma); + } + +set: + tmpret = regmap_update_bits(bdpsy->regmap, + BD70528_REG_CHG_DCIN_ILIM, + BD70528_MASK_CHG_DCIN_ILIM, reg); + + if (!ret) + ret = tmpret; + + return ret; +} + +static int bd70528_charger_set_property(struct power_supply *psy, + enum power_supply_property psp, + const union power_supply_propval *val) +{ + struct bd70528_psy *bdpsy = power_supply_get_drvdata(psy); + + switch (psp) { + case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT: + return set_current_limit(bdpsy, val->intval / 1000); + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: + return set_charge_current(bdpsy, val->intval / 1000); + default: + break; + } + return -EINVAL; +} + +static const struct power_supply_desc bd70528_charger_desc = { + .name = "bd70528-charger", + .type = POWER_SUPPLY_TYPE_MAINS, + .properties = bd70528_charger_props, + .num_properties = ARRAY_SIZE(bd70528_charger_props), + .get_property = bd70528_charger_get_property, + .set_property = bd70528_charger_set_property, + .property_is_writeable = bd70528_prop_is_writable, +}; + +static int bd70528_power_probe(struct platform_device *pdev) +{ + struct bd70528_psy *bdpsy; + struct power_supply_config cfg = {}; + + bdpsy = devm_kzalloc(&pdev->dev, sizeof(*bdpsy), GFP_KERNEL); + if (!bdpsy) + return -ENOMEM; + + bdpsy->regmap = dev_get_regmap(pdev->dev.parent, NULL); + if (!bdpsy->regmap) { + dev_err(&pdev->dev, "No regmap found for chip\n"); + return -EINVAL; + } + bdpsy->dev = &pdev->dev; + + platform_set_drvdata(pdev, bdpsy); + cfg.drv_data = bdpsy; + cfg.of_node = pdev->dev.parent->of_node; + + bdpsy->psy = devm_power_supply_register(&pdev->dev, + &bd70528_charger_desc, &cfg); + if (IS_ERR(bdpsy->psy)) { + dev_err(&pdev->dev, "failed: power supply register\n"); + return PTR_ERR(bdpsy->psy); + } + + return bd70528_get_irqs(pdev, bdpsy); +} + +static struct platform_driver bd70528_power = { + .driver = { + .name = "bd70528-power" + }, + .probe = bd70528_power_probe, +}; + +module_platform_driver(bd70528_power); + +MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>"); +MODULE_DESCRIPTION("BD70528 power-supply driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/power/supply/bq2415x_charger.c b/drivers/power/supply/bq2415x_charger.c index 6693e7aeead5..532f6e4fcafb 100644 --- a/drivers/power/supply/bq2415x_charger.c +++ b/drivers/power/supply/bq2415x_charger.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * bq2415x charger driver * * Copyright (C) 2011-2013 Pali Rohár <pali.rohar@gmail.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * Datasheets: * http://www.ti.com/product/bq24150 * http://www.ti.com/product/bq24150a diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c index cc0dfdc9e85a..a3dd1cfcfa8b 100644 --- a/drivers/power/supply/bq24190_charger.c +++ b/drivers/power/supply/bq24190_charger.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Driver for the TI bq24190 battery charger. * * Author: Mark A. Greer <mgreer@animalcreek.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/module.h> diff --git a/drivers/power/supply/bq24257_charger.c b/drivers/power/supply/bq24257_charger.c index 673c7d6ff1a7..7eb58f10e092 100644 --- a/drivers/power/supply/bq24257_charger.c +++ b/drivers/power/supply/bq24257_charger.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * TI BQ24257 charger driver * * Copyright (C) 2015 Intel Corporation * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * Datasheets: * http://www.ti.com/product/bq24250 * http://www.ti.com/product/bq24251 diff --git a/drivers/power/supply/bq25890_charger.c b/drivers/power/supply/bq25890_charger.c index 66991e6f75d9..b2ff82b4707a 100644 --- a/drivers/power/supply/bq25890_charger.c +++ b/drivers/power/supply/bq25890_charger.c @@ -1,18 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * TI BQ25890 charger driver * * Copyright (C) 2015 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <linux/module.h> diff --git a/drivers/power/supply/charger-manager.c b/drivers/power/supply/charger-manager.c index a6900aa0d2ed..a21e1a2673f8 100644 --- a/drivers/power/supply/charger-manager.c +++ b/drivers/power/supply/charger-manager.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2011 Samsung Electronics Co., Ltd. * MyungJoo Ham <myungjoo.ham@samsung.com> @@ -7,9 +8,6 @@ * Charger manager depends on other devices. Register this later than * the depending devices. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. **/ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/power/supply/collie_battery.c b/drivers/power/supply/collie_battery.c index 3a0bc608d4b5..cbd588e9e233 100644 --- a/drivers/power/supply/collie_battery.c +++ b/drivers/power/supply/collie_battery.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Battery and Power Management code for the Sharp SL-5x00 * * Copyright (C) 2009 Thomas Kunze * * based on tosa_battery.c - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/kernel.h> #include <linux/module.h> diff --git a/drivers/power/supply/cpcap-charger.c b/drivers/power/supply/cpcap-charger.c index b4781b5d1e10..cc546bc40a78 100644 --- a/drivers/power/supply/cpcap-charger.c +++ b/drivers/power/supply/cpcap-charger.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Motorola CPCAP PMIC battery charger driver * @@ -7,15 +8,6 @@ * on earlier driver found in the Motorola Linux kernel: * * Copyright (C) 2009-2010 Motorola, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/atomic.h> diff --git a/drivers/power/supply/da9030_battery.c b/drivers/power/supply/da9030_battery.c index 5ca0f4d90792..88582423b87d 100644 --- a/drivers/power/supply/da9030_battery.c +++ b/drivers/power/supply/da9030_battery.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Battery charger driver for Dialog Semiconductor DA9030 * * Copyright (C) 2008 Compulab, Ltd. * Mike Rapoport <mike@compulab.co.il> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/kernel.h> diff --git a/drivers/power/supply/da9052-battery.c b/drivers/power/supply/da9052-battery.c index 830ec46fe7d0..d87bdecc9501 100644 --- a/drivers/power/supply/da9052-battery.c +++ b/drivers/power/supply/da9052-battery.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Batttery Driver for Dialog DA9052 PMICs * * Copyright(c) 2011 Dialog Semiconductor Ltd. * * Author: David Dajun Chen <dchen@diasemi.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/delay.h> diff --git a/drivers/power/supply/da9150-charger.c b/drivers/power/supply/da9150-charger.c index 60099815296e..f9314cc0cd75 100644 --- a/drivers/power/supply/da9150-charger.c +++ b/drivers/power/supply/da9150-charger.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * DA9150 Charger Driver * * Copyright (c) 2014 Dialog Semiconductor * * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/power/supply/da9150-fg.c b/drivers/power/supply/da9150-fg.c index 1e2e5b0520c9..6e367826aae9 100644 --- a/drivers/power/supply/da9150-fg.c +++ b/drivers/power/supply/da9150-fg.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * DA9150 Fuel-Gauge Driver * * Copyright (c) 2015 Dialog Semiconductor * * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/power/supply/ds2780_battery.c b/drivers/power/supply/ds2780_battery.c index 5bf7c714a6ee..db3a25404c9f 100644 --- a/drivers/power/supply/ds2780_battery.c +++ b/drivers/power/supply/ds2780_battery.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * 1-wire client/driver for the Maxim/Dallas DS2780 Stand-Alone Fuel Gauge IC * @@ -6,11 +7,6 @@ * Author: Clifton Barnes <cabarnes@indesign-llc.com> * * Based on ds2760_battery and ds2782_battery drivers - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/module.h> diff --git a/drivers/power/supply/ds2781_battery.c b/drivers/power/supply/ds2781_battery.c index 166a8bd58811..130cbdfc14eb 100644 --- a/drivers/power/supply/ds2781_battery.c +++ b/drivers/power/supply/ds2781_battery.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * 1-wire client/driver for the Maxim/Dallas DS2781 Stand-Alone Fuel Gauge IC * * Author: Renata Sayakhova <renata@oktetlabs.ru> * * Based on ds2780_battery drivers - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/module.h> diff --git a/drivers/power/supply/ds2782_battery.c b/drivers/power/supply/ds2782_battery.c index 04b0fe7d7d62..9ae273fde7a2 100644 --- a/drivers/power/supply/ds2782_battery.c +++ b/drivers/power/supply/ds2782_battery.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * I2C client/driver for the Maxim/Dallas DS2782 Stand-Alone Fuel Gauge IC * @@ -8,11 +9,6 @@ * DS2786 added by Yulia Vilensky <vilensky@compulab.co.il> * * UEvent sending added by Evgeny Romanov <romanov@neurosoft.ru> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/kernel.h> diff --git a/drivers/power/supply/gpio-charger.c b/drivers/power/supply/gpio-charger.c index f99e8f1eef23..1b959c7f8b0e 100644 --- a/drivers/power/supply/gpio-charger.c +++ b/drivers/power/supply/gpio-charger.c @@ -1,16 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de> * Driver for chargers which report their online status through a GPIO pin - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * */ #include <linux/device.h> diff --git a/drivers/power/supply/ipaq_micro_battery.c b/drivers/power/supply/ipaq_micro_battery.c index 2fa6edd6e8b1..03592ceaca88 100644 --- a/drivers/power/supply/ipaq_micro_battery.c +++ b/drivers/power/supply/ipaq_micro_battery.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. * * h3xxx atmel micro companion support, battery subdevice * based on previous kernel 2.4 version * Author : Alessandro Gardich <gremlin@gremlin.it> * Author : Linus Walleij <linus.walleij@linaro.org> - * */ #include <linux/module.h> diff --git a/drivers/power/supply/isp1704_charger.c b/drivers/power/supply/isp1704_charger.c index a63cb5dcfa08..b48cb7aba97b 100644 --- a/drivers/power/supply/isp1704_charger.c +++ b/drivers/power/supply/isp1704_charger.c @@ -1,22 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * ISP1704 USB Charger Detection driver * * Copyright (C) 2010 Nokia Corporation * Copyright (C) 2012 - 2013 Pali Rohár <pali.rohar@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/kernel.h> diff --git a/drivers/power/supply/jz4740-battery.c b/drivers/power/supply/jz4740-battery.c index 88f04f4d1a70..6366bd61ea9f 100644 --- a/drivers/power/supply/jz4740-battery.c +++ b/drivers/power/supply/jz4740-battery.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Battery measurement code for Ingenic JZ SOC. * @@ -7,11 +8,6 @@ * based on tosa_battery.c * * Copyright (C) 2008 Marek Vasut <marek.vasut@gmail.com> -* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/interrupt.h> diff --git a/drivers/power/supply/lp8727_charger.c b/drivers/power/supply/lp8727_charger.c index 042fb3dacb46..9ee54e397754 100644 --- a/drivers/power/supply/lp8727_charger.c +++ b/drivers/power/supply/lp8727_charger.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Driver for LP8727 Micro/Mini USB IC with integrated charger * * Copyright (C) 2011 Texas Instruments * Copyright (C) 2011 National Semiconductor - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/module.h> diff --git a/drivers/power/supply/lp8788-charger.c b/drivers/power/supply/lp8788-charger.c index 309e6efbb8ef..84a206f42a8e 100644 --- a/drivers/power/supply/lp8788-charger.c +++ b/drivers/power/supply/lp8788-charger.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * TI LP8788 MFD - battery charger driver * * Copyright 2012 Texas Instruments * * Author: Milo(Woogyom) Kim <milo.kim@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/err.h> diff --git a/drivers/power/supply/ltc2941-battery-gauge.c b/drivers/power/supply/ltc2941-battery-gauge.c index 4f129bb4c972..da49436176cd 100644 --- a/drivers/power/supply/ltc2941-battery-gauge.c +++ b/drivers/power/supply/ltc2941-battery-gauge.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * I2C client/driver for the Linear Technology LTC2941, LTC2942, LTC2943 * and LTC2944 Battery Gas Gauge IC diff --git a/drivers/power/supply/max14656_charger_detector.c b/drivers/power/supply/max14656_charger_detector.c index 9e6472834e37..68cfde4be632 100644 --- a/drivers/power/supply/max14656_charger_detector.c +++ b/drivers/power/supply/max14656_charger_detector.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Maxim MAX14656 / AL32 USB Charger Detector driver * @@ -7,11 +8,6 @@ * Components from Maxim AL32 Charger detection Driver for MX50 Yoshi Board * Copyright (C) Amazon Technologies Inc. All rights reserved. * Manish Lachwani (lachwani@lab126.com) - * - * This package is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * */ #include <linux/module.h> #include <linux/init.h> diff --git a/drivers/power/supply/max8903_charger.c b/drivers/power/supply/max8903_charger.c index fdc73d686153..0bd39b0cc257 100644 --- a/drivers/power/supply/max8903_charger.c +++ b/drivers/power/supply/max8903_charger.c @@ -1,23 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * max8903_charger.c - Maxim 8903 USB/Adapter Charger Driver * * Copyright (C) 2011 Samsung Electronics * MyungJoo Ham <myungjoo.ham@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * */ #include <linux/gpio.h> diff --git a/drivers/power/supply/max8925_power.c b/drivers/power/supply/max8925_power.c index 39b4d5b6ac39..5fca4960f440 100644 --- a/drivers/power/supply/max8925_power.c +++ b/drivers/power/supply/max8925_power.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Battery driver for Maxim MAX8925 * * Copyright (c) 2009-2010 Marvell International Ltd. * Haojian Zhuang <haojian.zhuang@marvell.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/module.h> diff --git a/drivers/power/supply/olpc_battery.c b/drivers/power/supply/olpc_battery.c index 7720e4c2ac0b..ad0e9e0edb3f 100644 --- a/drivers/power/supply/olpc_battery.c +++ b/drivers/power/supply/olpc_battery.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Battery driver for One Laptop Per Child board. * * Copyright © 2006-2010 David Woodhouse <dwmw2@infradead.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/kernel.h> @@ -20,7 +17,6 @@ #include <linux/jiffies.h> #include <linux/sched.h> #include <linux/olpc-ec.h> -#include <asm/olpc.h> #define EC_BAT_VOLTAGE 0x10 /* uint16_t, *9.76/32, mV */ diff --git a/drivers/power/supply/pcf50633-charger.c b/drivers/power/supply/pcf50633-charger.c index 28ed463c866d..8c5d892f6350 100644 --- a/drivers/power/supply/pcf50633-charger.c +++ b/drivers/power/supply/pcf50633-charger.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* NXP PCF50633 Main Battery Charger Driver * * (C) 2006-2008 by Openmoko, Inc. @@ -6,12 +7,6 @@ * * Broken down from monstrous PCF50633 driver mainly by * Harald Welte, Andy Green and Werner Almesberger - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #include <linux/kernel.h> diff --git a/drivers/power/supply/pda_power.c b/drivers/power/supply/pda_power.c index 922a86787c5c..3ae5707d39fa 100644 --- a/drivers/power/supply/pda_power.c +++ b/drivers/power/supply/pda_power.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Common power driver for PDAs and phones with one or two external * power supplies (AC/USB) connected to main and backup batteries, * and optional builtin charger. * * Copyright © 2007 Anton Vorontsov <cbou@mail.ru> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/module.h> diff --git a/drivers/power/supply/pm2301_charger.c b/drivers/power/supply/pm2301_charger.c index 78561b6884fc..17749fc90e16 100644 --- a/drivers/power/supply/pm2301_charger.c +++ b/drivers/power/supply/pm2301_charger.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2012 ST Ericsson. * * Power supply driver for ST Ericsson pm2xxx_charger charger - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/init.h> diff --git a/drivers/power/supply/pm2301_charger.h b/drivers/power/supply/pm2301_charger.h index 24181cf9717b..74397e377982 100644 --- a/drivers/power/supply/pm2301_charger.h +++ b/drivers/power/supply/pm2301_charger.h @@ -1,9 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) ST-Ericsson SA 2012 * * PM2301 power supply interface - * - * License terms: GNU General Public License (GPL), version 2 */ #ifndef PM2301_CHARGER_H diff --git a/drivers/power/supply/pmu_battery.c b/drivers/power/supply/pmu_battery.c index 9c8d5253812c..eaab7500d99b 100644 --- a/drivers/power/supply/pmu_battery.c +++ b/drivers/power/supply/pmu_battery.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Battery class driver for Apple PMU * * Copyright © 2006 David Woodhouse <dwmw2@infradead.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/module.h> diff --git a/drivers/power/supply/power_supply.h b/drivers/power/supply/power_supply.h index cc439fd89d8d..c310d4f36c10 100644 --- a/drivers/power/supply/power_supply.h +++ b/drivers/power/supply/power_supply.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Functions private to power supply class * @@ -6,8 +7,6 @@ * Copyright © 2003 Ian Molton <spyro@f2s.com> * * Modified: 2004, Oct Szabolcs Gyurko - * - * You may use this code as per GPL version 2 */ struct device; diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c index 11f9c875b028..b55cdfe22a2e 100644 --- a/drivers/power/supply/power_supply_core.c +++ b/drivers/power/supply/power_supply_core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Universal power supply monitor class * @@ -6,8 +7,6 @@ * Copyright © 2003 Ian Molton <spyro@f2s.com> * * Modified: 2004, Oct Szabolcs Gyurko - * - * You may use this code as per GPL version 2 */ #include <linux/module.h> diff --git a/drivers/power/supply/power_supply_leds.c b/drivers/power/supply/power_supply_leds.c index 2277ad9c2f68..d69880cc3593 100644 --- a/drivers/power/supply/power_supply_leds.c +++ b/drivers/power/supply/power_supply_leds.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * LEDs triggers for power supply class * @@ -6,8 +7,6 @@ * Copyright © 2003 Ian Molton <spyro@f2s.com> * * Modified: 2004, Oct Szabolcs Gyurko - * - * You may use this code as per GPL version 2 */ #include <linux/kernel.h> diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index a704a76d7529..61430ae878d3 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Sysfs interface for the universal power supply monitor class * @@ -7,8 +8,6 @@ * Copyright © 2003 Ian Molton <spyro@f2s.com> * * Modified: 2004, Oct Szabolcs Gyurko - * - * You may use this code as per GPL version 2 */ #include <linux/ctype.h> diff --git a/drivers/power/supply/qcom_smbb.c b/drivers/power/supply/qcom_smbb.c index 11de691b9a71..c890e1cec720 100644 --- a/drivers/power/supply/qcom_smbb.c +++ b/drivers/power/supply/qcom_smbb.c @@ -1,14 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2014, Sony Mobile Communications Inc. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * This driver is for the multi-block Switch-Mode Battery Charger and Boost * (SMBB) hardware, found in Qualcomm PM8941 PMICs. The charger is an * integrated, single-cell lithium-ion battery charger. diff --git a/drivers/power/supply/rt5033_battery.c b/drivers/power/supply/rt5033_battery.c index bcdd83048492..9f0d70648e41 100644 --- a/drivers/power/supply/rt5033_battery.c +++ b/drivers/power/supply/rt5033_battery.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Fuel gauge driver for Richtek RT5033 * * Copyright (C) 2014 Samsung Electronics, Co., Ltd. * Author: Beomho Seo <beomho.seo@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published bythe Free Software Foundation. */ #include <linux/module.h> diff --git a/drivers/power/supply/rt9455_charger.c b/drivers/power/supply/rt9455_charger.c index cfdbde9daf94..40a9d329418a 100644 --- a/drivers/power/supply/rt9455_charger.c +++ b/drivers/power/supply/rt9455_charger.c @@ -1,17 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for Richtek RT9455WSC battery charger. * * Copyright (C) 2015 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/module.h> diff --git a/drivers/power/supply/rx51_battery.c b/drivers/power/supply/rx51_battery.c index 5654708b1279..8548b639ff2f 100644 --- a/drivers/power/supply/rx51_battery.c +++ b/drivers/power/supply/rx51_battery.c @@ -1,21 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Nokia RX-51 battery driver * * Copyright (C) 2012 Pali Rohár <pali.rohar@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include <linux/module.h> diff --git a/drivers/power/supply/sbs-battery.c b/drivers/power/supply/sbs-battery.c index 8ba6abf584de..048d205d7074 100644 --- a/drivers/power/supply/sbs-battery.c +++ b/drivers/power/supply/sbs-battery.c @@ -1,17 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Gas Gauge driver for SBS Compliant Batteries * * Copyright (c) 2010, NVIDIA Corporation. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. */ #include <linux/delay.h> diff --git a/drivers/power/supply/sbs-charger.c b/drivers/power/supply/sbs-charger.c index 15947dbb511e..fbfb6a620961 100644 --- a/drivers/power/supply/sbs-charger.c +++ b/drivers/power/supply/sbs-charger.c @@ -1,11 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) 2016, Prodys S.L. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * This adds support for sbs-charger compilant chips as defined here: * http://sbs-forum.org/specs/sbc110.pdf * diff --git a/drivers/power/supply/sbs-manager.c b/drivers/power/supply/sbs-manager.c index cb6e8f66c7a2..63173068a1ab 100644 --- a/drivers/power/supply/sbs-manager.c +++ b/drivers/power/supply/sbs-manager.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Driver for SBS compliant Smart Battery System Managers * @@ -10,10 +11,6 @@ * Datasheet LTC1760: http://cds.linear.com/docs/en/datasheet/1760fb.pdf * * Karl-Heinz Schneider <karl-heinz@schneider-inet.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/gpio.h> diff --git a/drivers/power/supply/smb347-charger.c b/drivers/power/supply/smb347-charger.c index 072c5189bd6d..c1d124b8be0c 100644 --- a/drivers/power/supply/smb347-charger.c +++ b/drivers/power/supply/smb347-charger.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Summit Microelectronics SMB347 Battery Charger Driver * @@ -5,10 +6,6 @@ * * Authors: Bruce E. Robertson <bruce.e.robertson@intel.com> * Mika Westerberg <mika.westerberg@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/err.h> diff --git a/drivers/power/supply/test_power.c b/drivers/power/supply/test_power.c index 57246cdbd042..c3cad2b6daba 100644 --- a/drivers/power/supply/test_power.c +++ b/drivers/power/supply/test_power.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Power supply driver for testing. * @@ -8,10 +9,6 @@ * By: Masashi YOKOTA <yokota@pylone.jp> * Originally found here: * http://downloads.pylone.jp/src/virtual_battery/virtual_battery-0.0.1.tar.bz2 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/kernel.h> diff --git a/drivers/power/supply/tosa_battery.c b/drivers/power/supply/tosa_battery.c index 6e88c1b37945..32cc31cd4761 100644 --- a/drivers/power/supply/tosa_battery.c +++ b/drivers/power/supply/tosa_battery.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Battery and Power Management code for the Sharp SL-6000x * * Copyright (c) 2005 Dirk Opfer * Copyright (c) 2008 Dmitry Baryshkov - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/kernel.h> #include <linux/module.h> diff --git a/drivers/power/supply/tps65090-charger.c b/drivers/power/supply/tps65090-charger.c index 1b4b5e09538e..6b0098e5a88b 100644 --- a/drivers/power/supply/tps65090-charger.c +++ b/drivers/power/supply/tps65090-charger.c @@ -1,19 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Battery charger driver for TI's tps65090 * * Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved. - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/delay.h> #include <linux/err.h> diff --git a/drivers/power/supply/twl4030_charger.c b/drivers/power/supply/twl4030_charger.c index 4299873a1118..648ab80288c9 100644 --- a/drivers/power/supply/twl4030_charger.c +++ b/drivers/power/supply/twl4030_charger.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * TWL4030/TPS65950 BCI (Battery Charger Interface) driver * @@ -5,11 +6,6 @@ * * based on twl4030_bci_battery.c by TI * Copyright (C) 2008 Texas Instruments, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/init.h> diff --git a/drivers/power/supply/twl4030_madc_battery.c b/drivers/power/supply/twl4030_madc_battery.c index 4d41acb98576..48649dcfe3a9 100644 --- a/drivers/power/supply/twl4030_madc_battery.c +++ b/drivers/power/supply/twl4030_madc_battery.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Dumb driver for LiIon batteries using TWL4030 madc. * diff --git a/drivers/power/supply/wm831x_backup.c b/drivers/power/supply/wm831x_backup.c index 2e33109ca8c7..ffb265b8526d 100644 --- a/drivers/power/supply/wm831x_backup.c +++ b/drivers/power/supply/wm831x_backup.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Backup battery driver for Wolfson Microelectronics wm831x PMICs * * Copyright 2009 Wolfson Microelectronics PLC. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/module.h> diff --git a/drivers/power/supply/wm831x_power.c b/drivers/power/supply/wm831x_power.c index 927050d4444d..65832bc229f6 100644 --- a/drivers/power/supply/wm831x_power.c +++ b/drivers/power/supply/wm831x_power.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * PMU driver for Wolfson Microelectronics wm831x PMICs * * Copyright 2009 Wolfson Microelectronics PLC. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/module.h> diff --git a/drivers/power/supply/wm8350_power.c b/drivers/power/supply/wm8350_power.c index 15c0ca15e2aa..26923af574f4 100644 --- a/drivers/power/supply/wm8350_power.c +++ b/drivers/power/supply/wm8350_power.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Battery driver for wm8350 PMIC * @@ -6,10 +7,6 @@ * Based on OLPC Battery Driver * * Copyright 2006 David Woodhouse <dwmw2@infradead.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/module.h> diff --git a/drivers/power/supply/wm97xx_battery.c b/drivers/power/supply/wm97xx_battery.c index 6754e761778a..58f01659daa5 100644 --- a/drivers/power/supply/wm97xx_battery.c +++ b/drivers/power/supply/wm97xx_battery.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Battery measurement code for WM97xx * * based on tosa_battery.c * * Copyright (C) 2008 Marek Vasut <marek.vasut@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/init.h> diff --git a/drivers/power/supply/z2_battery.c b/drivers/power/supply/z2_battery.c index bcc2d1a9b0a7..ebd2e42a4457 100644 --- a/drivers/power/supply/z2_battery.c +++ b/drivers/power/supply/z2_battery.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Battery measurement code for Zipit Z2 * * Copyright (C) 2009 Peter Edwards <sweetlilmre@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/module.h> |