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-rw-r--r--drivers/gpio/Kconfig27
-rw-r--r--drivers/gpio/Makefile2
-rw-r--r--drivers/gpio/devres.c3
-rw-r--r--drivers/gpio/gpio-74x164.c10
-rw-r--r--drivers/gpio/gpio-altera-a10sr.c2
-rw-r--r--drivers/gpio/gpio-altera.c4
-rw-r--r--drivers/gpio/gpio-aspeed.c2
-rw-r--r--drivers/gpio/gpio-brcmstb.c11
-rw-r--r--drivers/gpio/gpio-davinci.c22
-rw-r--r--drivers/gpio/gpio-exar.c2
-rw-r--r--drivers/gpio/gpio-ge.c6
-rw-r--r--drivers/gpio/gpio-grgpio.c2
-rw-r--r--drivers/gpio/gpio-it87.c3
-rw-r--r--drivers/gpio/gpio-lp87565.c46
-rw-r--r--drivers/gpio/gpio-max77620.c2
-rw-r--r--drivers/gpio/gpio-mb86s7x.c4
-rw-r--r--drivers/gpio/gpio-ml-ioh.c12
-rw-r--r--drivers/gpio/gpio-mockup.c79
-rw-r--r--drivers/gpio/gpio-mpc8xxx.c4
-rw-r--r--drivers/gpio/gpio-msic.c4
-rw-r--r--drivers/gpio/gpio-mvebu.c2
-rw-r--r--drivers/gpio/gpio-mxc.c30
-rw-r--r--drivers/gpio/gpio-mxs.c15
-rw-r--r--drivers/gpio/gpio-omap.c2
-rw-r--r--drivers/gpio/gpio-pca953x.c8
-rw-r--r--drivers/gpio/gpio-pch.c12
-rw-r--r--drivers/gpio/gpio-pl061.c2
-rw-r--r--drivers/gpio/gpio-pxa.c8
-rw-r--r--drivers/gpio/gpio-rcar.c10
-rw-r--r--drivers/gpio/gpio-sta2x11.c14
-rw-r--r--drivers/gpio/gpio-tb10x.c3
-rw-r--r--drivers/gpio/gpio-tegra.c135
-rw-r--r--drivers/gpio/gpio-thunderx.c639
-rw-r--r--drivers/gpio/gpio-tps68470.c176
-rw-r--r--drivers/gpio/gpio-twl4030.c2
-rw-r--r--drivers/gpio/gpio-twl6040.c2
-rw-r--r--drivers/gpio/gpio-tz1090.c10
-rw-r--r--drivers/gpio/gpio-vf610.c47
-rw-r--r--drivers/gpio/gpio-xilinx.c4
-rw-r--r--drivers/gpio/gpio-zevio.c2
-rw-r--r--drivers/gpio/gpio-zynq.c160
-rw-r--r--drivers/gpio/gpiolib-acpi.c4
-rw-r--r--drivers/gpio/gpiolib-of.c36
-rw-r--r--drivers/gpio/gpiolib-sysfs.c18
-rw-r--r--drivers/gpio/gpiolib.c139
-rw-r--r--drivers/gpio/gpiolib.h2
46 files changed, 1379 insertions, 350 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index f235eae04c16..3388d54ba114 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -311,7 +311,7 @@ config GPIO_MOCKUP
depends on GPIOLIB && SYSFS
select GPIO_SYSFS
select GPIOLIB_IRQCHIP
- select IRQ_WORK
+ select IRQ_SIM
help
This enables GPIO Testing driver, which provides a way to test GPIO
subsystem through sysfs(or char device) and debugfs. GPIO_SYSFS
@@ -450,6 +450,15 @@ config GPIO_TS4800
help
This driver support TS-4800 FPGA GPIO controllers.
+config GPIO_THUNDERX
+ tristate "Cavium ThunderX/OCTEON-TX GPIO"
+ depends on ARCH_THUNDER || (64BIT && COMPILE_TEST)
+ depends on PCI_MSI && IRQ_DOMAIN_HIERARCHY
+ select IRQ_FASTEOI_HIERARCHY_HANDLERS
+ help
+ Say yes here to support the on-chip GPIO lines on the ThunderX
+ and OCTEON-TX families of SoCs.
+
config GPIO_TZ1090
bool "Toumaz Xenif TZ1090 GPIO support"
depends on SOC_TZ1090
@@ -504,6 +513,7 @@ config GPIO_XGENE_SB
depends on ARCH_XGENE && OF_GPIO
select GPIO_GENERIC
select GPIOLIB_IRQCHIP
+ select IRQ_DOMAIN_HIERARCHY
help
This driver supports the GPIO block within the APM X-Gene
Standby Domain. Say yes here to enable the GPIO functionality.
@@ -1064,6 +1074,21 @@ config GPIO_TPS65912
help
This driver supports TPS65912 gpio chip
+config GPIO_TPS68470
+ bool "TPS68470 GPIO"
+ depends on MFD_TPS68470
+ help
+ Select this option to enable GPIO driver for the TPS68470
+ chip family.
+ There are 7 GPIOs and few sensor related GPIOs supported
+ by the TPS68470. While the 7 GPIOs can be configured as
+ input or output as appropriate, the sensor related GPIOs
+ are "output only" GPIOs.
+
+ This driver config is bool, as the GPIO functionality
+ of the TPS68470 must be available before dependent
+ drivers are loaded.
+
config GPIO_TWL4030
tristate "TWL4030, TWL5030, and TPS659x0 GPIOs"
depends on TWL4030_CORE
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index a9fda6c55113..aeb70e9de6f2 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -113,6 +113,7 @@ obj-$(CONFIG_GPIO_SYSCON) += gpio-syscon.o
obj-$(CONFIG_GPIO_TB10X) += gpio-tb10x.o
obj-$(CONFIG_GPIO_TC3589X) += gpio-tc3589x.o
obj-$(CONFIG_GPIO_TEGRA) += gpio-tegra.o
+obj-$(CONFIG_GPIO_THUNDERX) += gpio-thunderx.o
obj-$(CONFIG_GPIO_TIMBERDALE) += gpio-timberdale.o
obj-$(CONFIG_GPIO_PALMAS) += gpio-palmas.o
obj-$(CONFIG_GPIO_TPIC2810) += gpio-tpic2810.o
@@ -121,6 +122,7 @@ obj-$(CONFIG_GPIO_TPS65218) += gpio-tps65218.o
obj-$(CONFIG_GPIO_TPS6586X) += gpio-tps6586x.o
obj-$(CONFIG_GPIO_TPS65910) += gpio-tps65910.o
obj-$(CONFIG_GPIO_TPS65912) += gpio-tps65912.o
+obj-$(CONFIG_GPIO_TPS68470) += gpio-tps68470.o
obj-$(CONFIG_GPIO_TS4800) += gpio-ts4800.o
obj-$(CONFIG_GPIO_TS4900) += gpio-ts4900.o
obj-$(CONFIG_GPIO_TS5500) += gpio-ts5500.o
diff --git a/drivers/gpio/devres.c b/drivers/gpio/devres.c
index a75511d1ea5d..afbff155a0ba 100644
--- a/drivers/gpio/devres.c
+++ b/drivers/gpio/devres.c
@@ -132,6 +132,7 @@ EXPORT_SYMBOL(devm_gpiod_get_index);
* @index: index of the GPIO to obtain in the consumer
* @child: firmware node (child of @dev)
* @flags: GPIO initialization flags
+ * @label: label to attach to the requested GPIO
*
* GPIO descriptors returned from this function are automatically disposed on
* driver detach.
@@ -271,6 +272,7 @@ EXPORT_SYMBOL(devm_gpiod_get_array_optional);
/**
* devm_gpiod_put - Resource-managed gpiod_put()
+ * @dev: GPIO consumer
* @desc: GPIO descriptor to dispose of
*
* Dispose of a GPIO descriptor obtained with devm_gpiod_get() or
@@ -286,6 +288,7 @@ EXPORT_SYMBOL(devm_gpiod_put);
/**
* devm_gpiod_put_array - Resource-managed gpiod_put_array()
+ * @dev: GPIO consumer
* @descs: GPIO descriptor array to dispose of
*
* Dispose of an array of GPIO descriptors obtained with devm_gpiod_get_array().
diff --git a/drivers/gpio/gpio-74x164.c b/drivers/gpio/gpio-74x164.c
index a6607faf2fdf..6b535ec858cc 100644
--- a/drivers/gpio/gpio-74x164.c
+++ b/drivers/gpio/gpio-74x164.c
@@ -9,6 +9,7 @@
* published by the Free Software Foundation.
*/
+#include <linux/gpio/consumer.h>
#include <linux/init.h>
#include <linux/mutex.h>
#include <linux/spi/spi.h>
@@ -31,6 +32,7 @@ struct gen_74x164_chip {
* numbering, store the bytes in reverse order.
*/
u8 buffer[0];
+ struct gpio_desc *gpiod_oe;
};
static int __gen_74x164_write_config(struct gen_74x164_chip *chip)
@@ -126,6 +128,13 @@ static int gen_74x164_probe(struct spi_device *spi)
if (!chip)
return -ENOMEM;
+ chip->gpiod_oe = devm_gpiod_get_optional(&spi->dev, "enable",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(chip->gpiod_oe))
+ return PTR_ERR(chip->gpiod_oe);
+
+ gpiod_set_value_cansleep(chip->gpiod_oe, 1);
+
spi_set_drvdata(spi, chip);
chip->gpio_chip.label = spi->modalias;
@@ -164,6 +173,7 @@ static int gen_74x164_remove(struct spi_device *spi)
{
struct gen_74x164_chip *chip = spi_get_drvdata(spi);
+ gpiod_set_value_cansleep(chip->gpiod_oe, 0);
gpiochip_remove(&chip->gpio_chip);
mutex_destroy(&chip->lock);
diff --git a/drivers/gpio/gpio-altera-a10sr.c b/drivers/gpio/gpio-altera-a10sr.c
index 16a8951b2bed..6b11f1314248 100644
--- a/drivers/gpio/gpio-altera-a10sr.c
+++ b/drivers/gpio/gpio-altera-a10sr.c
@@ -71,7 +71,7 @@ static int altr_a10sr_gpio_direction_output(struct gpio_chip *gc,
return -EINVAL;
}
-static struct gpio_chip altr_a10sr_gc = {
+static const struct gpio_chip altr_a10sr_gc = {
.label = "altr_a10sr_gpio",
.owner = THIS_MODULE,
.get = altr_a10sr_gpio_get,
diff --git a/drivers/gpio/gpio-altera.c b/drivers/gpio/gpio-altera.c
index 17485dc20384..ccc02ed65b3c 100644
--- a/drivers/gpio/gpio-altera.c
+++ b/drivers/gpio/gpio-altera.c
@@ -324,8 +324,8 @@ skip_irq:
return 0;
teardown:
of_mm_gpiochip_remove(&altera_gc->mmchip);
- pr_err("%s: registration failed with status %d\n",
- node->full_name, ret);
+ pr_err("%pOF: registration failed with status %d\n",
+ node, ret);
return ret;
}
diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c
index 4ca436e66bdb..bfc53995064a 100644
--- a/drivers/gpio/gpio-aspeed.c
+++ b/drivers/gpio/gpio-aspeed.c
@@ -834,7 +834,7 @@ static int __init aspeed_gpio_probe(struct platform_device *pdev)
gpio->clk = of_clk_get(pdev->dev.of_node, 0);
if (IS_ERR(gpio->clk)) {
dev_warn(&pdev->dev,
- "No HPLL clock phandle provided, debouncing disabled\n");
+ "Failed to get clock from devicetree, debouncing disabled\n");
gpio->clk = NULL;
}
diff --git a/drivers/gpio/gpio-brcmstb.c b/drivers/gpio/gpio-brcmstb.c
index e6489143721a..dd0308cc8bb0 100644
--- a/drivers/gpio/gpio-brcmstb.c
+++ b/drivers/gpio/gpio-brcmstb.c
@@ -339,6 +339,7 @@ static int brcmstb_gpio_irq_setup(struct platform_device *pdev,
struct brcmstb_gpio_priv *priv = bank->parent_priv;
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
+ int err;
bank->irq_chip.name = dev_name(dev);
bank->irq_chip.irq_mask = brcmstb_gpio_irq_mask;
@@ -355,8 +356,6 @@ static int brcmstb_gpio_irq_setup(struct platform_device *pdev,
dev_warn(dev,
"Couldn't get wake IRQ - GPIOs will not be able to wake from sleep");
} else {
- int err;
-
/*
* Set wakeup capability before requesting wakeup
* interrupt, so we can process boot-time "wakeups"
@@ -383,8 +382,10 @@ static int brcmstb_gpio_irq_setup(struct platform_device *pdev,
if (priv->can_wake)
bank->irq_chip.irq_set_wake = brcmstb_gpio_irq_set_wake;
- gpiochip_irqchip_add(&bank->gc, &bank->irq_chip, 0,
- handle_simple_irq, IRQ_TYPE_NONE);
+ err = gpiochip_irqchip_add(&bank->gc, &bank->irq_chip, 0,
+ handle_simple_irq, IRQ_TYPE_NONE);
+ if (err)
+ return err;
gpiochip_set_chained_irqchip(&bank->gc, &bank->irq_chip,
priv->parent_irq, brcmstb_gpio_irq_handler);
@@ -483,7 +484,7 @@ static int brcmstb_gpio_probe(struct platform_device *pdev)
gc->of_node = np;
gc->owner = THIS_MODULE;
- gc->label = np->full_name;
+ gc->label = devm_kasprintf(dev, GFP_KERNEL, "%pOF", dev->of_node);
gc->base = gpio_base;
gc->of_gpio_n_cells = 2;
gc->of_xlate = brcmstb_gpio_of_xlate;
diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
index 65cb359308e3..f75d8443ecaf 100644
--- a/drivers/gpio/gpio-davinci.c
+++ b/drivers/gpio/gpio-davinci.c
@@ -166,7 +166,7 @@ of_err:
static int davinci_gpio_probe(struct platform_device *pdev)
{
static int ctrl_num, bank_base;
- int gpio, bank;
+ int gpio, bank, ret = 0;
unsigned ngpio, nbank;
struct davinci_gpio_controller *chips;
struct davinci_gpio_platform_data *pdata;
@@ -232,10 +232,23 @@ static int davinci_gpio_probe(struct platform_device *pdev)
for (gpio = 0, bank = 0; gpio < ngpio; gpio += 32, bank++)
chips->regs[bank] = gpio_base + offset_array[bank];
- gpiochip_add_data(&chips->chip, chips);
+ ret = devm_gpiochip_add_data(dev, &chips->chip, chips);
+ if (ret)
+ goto err;
+
platform_set_drvdata(pdev, chips);
- davinci_gpio_irq_setup(pdev);
+ ret = davinci_gpio_irq_setup(pdev);
+ if (ret)
+ goto err;
+
return 0;
+
+err:
+ /* Revert the static variable increments */
+ ctrl_num--;
+ bank_base -= ngpio;
+
+ return ret;
}
/*--------------------------------------------------------------------------*/
@@ -477,8 +490,7 @@ static int davinci_gpio_irq_setup(struct platform_device *pdev)
clk = devm_clk_get(dev, "gpio");
if (IS_ERR(clk)) {
- printk(KERN_ERR "Error %ld getting gpio clock?\n",
- PTR_ERR(clk));
+ dev_err(dev, "Error %ld getting gpio clock\n", PTR_ERR(clk));
return PTR_ERR(clk);
}
ret = clk_prepare_enable(clk);
diff --git a/drivers/gpio/gpio-exar.c b/drivers/gpio/gpio-exar.c
index fb8d304cfa17..0ecd2369c2ca 100644
--- a/drivers/gpio/gpio-exar.c
+++ b/drivers/gpio/gpio-exar.c
@@ -132,7 +132,7 @@ static int gpio_exar_probe(struct platform_device *pdev)
if (!p)
return -ENOMEM;
- ret = device_property_read_u32(&pdev->dev, "linux,first-pin",
+ ret = device_property_read_u32(&pdev->dev, "exar,first-pin",
&first_pin);
if (ret)
return ret;
diff --git a/drivers/gpio/gpio-ge.c b/drivers/gpio/gpio-ge.c
index 8650b2916f87..6f5a7fe9787d 100644
--- a/drivers/gpio/gpio-ge.c
+++ b/drivers/gpio/gpio-ge.c
@@ -76,8 +76,7 @@ static int __init gef_gpio_probe(struct platform_device *pdev)
}
/* Setup pointers to chip functions */
- gc->label = devm_kstrdup(&pdev->dev, pdev->dev.of_node->full_name,
- GFP_KERNEL);
+ gc->label = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%pOF", pdev->dev.of_node);
if (!gc->label) {
ret = -ENOMEM;
goto err0;
@@ -96,8 +95,7 @@ static int __init gef_gpio_probe(struct platform_device *pdev)
return 0;
err0:
iounmap(regs);
- pr_err("%s: GPIO chip registration failed\n",
- pdev->dev.of_node->full_name);
+ pr_err("%pOF: GPIO chip registration failed\n", pdev->dev.of_node);
return ret;
};
diff --git a/drivers/gpio/gpio-grgpio.c b/drivers/gpio/gpio-grgpio.c
index 7847dd34f86f..6544a16ab02e 100644
--- a/drivers/gpio/gpio-grgpio.c
+++ b/drivers/gpio/gpio-grgpio.c
@@ -367,7 +367,7 @@ static int grgpio_probe(struct platform_device *ofdev)
gc->of_node = np;
gc->owner = THIS_MODULE;
gc->to_irq = grgpio_to_irq;
- gc->label = np->full_name;
+ gc->label = devm_kasprintf(&ofdev->dev, GFP_KERNEL, "%pOF", np);
gc->base = -1;
err = of_property_read_u32(np, "nbits", &prop);
diff --git a/drivers/gpio/gpio-it87.c b/drivers/gpio/gpio-it87.c
index 45d29e488dbb..d43d0a2cc4c5 100644
--- a/drivers/gpio/gpio-it87.c
+++ b/drivers/gpio/gpio-it87.c
@@ -2,6 +2,7 @@
* GPIO interface for IT87xx Super I/O chips
*
* Author: Diego Elio Pettenò <flameeyes@flameeyes.eu>
+ * Copyright (c) 2017 Google, Inc.
*
* Based on it87_wdt.c by Oliver Schuster
* gpio-it8761e.c by Denis Turischev
@@ -39,6 +40,7 @@
#define IT8728_ID 0x8728
#define IT8732_ID 0x8732
#define IT8761_ID 0x8761
+#define IT8772_ID 0x8772
/* IO Ports */
#define REG 0x2e
@@ -314,6 +316,7 @@ static int __init it87_gpio_init(void)
break;
case IT8728_ID:
case IT8732_ID:
+ case IT8772_ID:
gpio_ba_reg = 0x62;
it87_gpio->io_size = 8;
it87_gpio->output_base = 0xc8;
diff --git a/drivers/gpio/gpio-lp87565.c b/drivers/gpio/gpio-lp87565.c
index 6313c50bb91b..a121c8f10610 100644
--- a/drivers/gpio/gpio-lp87565.c
+++ b/drivers/gpio/gpio-lp87565.c
@@ -26,6 +26,27 @@ struct lp87565_gpio {
struct regmap *map;
};
+static int lp87565_gpio_get(struct gpio_chip *chip, unsigned int offset)
+{
+ struct lp87565_gpio *gpio = gpiochip_get_data(chip);
+ int ret, val;
+
+ ret = regmap_read(gpio->map, LP87565_REG_GPIO_IN, &val);
+ if (ret < 0)
+ return ret;
+
+ return !!(val & BIT(offset));
+}
+
+static void lp87565_gpio_set(struct gpio_chip *chip, unsigned int offset,
+ int value)
+{
+ struct lp87565_gpio *gpio = gpiochip_get_data(chip);
+
+ regmap_update_bits(gpio->map, LP87565_REG_GPIO_OUT,
+ BIT(offset), value ? BIT(offset) : 0);
+}
+
static int lp87565_gpio_get_direction(struct gpio_chip *chip,
unsigned int offset)
{
@@ -54,30 +75,11 @@ static int lp87565_gpio_direction_output(struct gpio_chip *chip,
{
struct lp87565_gpio *gpio = gpiochip_get_data(chip);
+ lp87565_gpio_set(chip, offset, value);
+
return regmap_update_bits(gpio->map,
LP87565_REG_GPIO_CONFIG,
- BIT(offset), !value ? BIT(offset) : 0);
-}
-
-static int lp87565_gpio_get(struct gpio_chip *chip, unsigned int offset)
-{
- struct lp87565_gpio *gpio = gpiochip_get_data(chip);
- int ret, val;
-
- ret = regmap_read(gpio->map, LP87565_REG_GPIO_IN, &val);
- if (ret < 0)
- return ret;
-
- return !!(val & BIT(offset));
-}
-
-static void lp87565_gpio_set(struct gpio_chip *chip, unsigned int offset,
- int value)
-{
- struct lp87565_gpio *gpio = gpiochip_get_data(chip);
-
- regmap_update_bits(gpio->map, LP87565_REG_GPIO_OUT,
- BIT(offset), value ? BIT(offset) : 0);
+ BIT(offset), BIT(offset));
}
static int lp87565_gpio_request(struct gpio_chip *gc, unsigned int offset)
diff --git a/drivers/gpio/gpio-max77620.c b/drivers/gpio/gpio-max77620.c
index 743459d9477d..538bce4b5b42 100644
--- a/drivers/gpio/gpio-max77620.c
+++ b/drivers/gpio/gpio-max77620.c
@@ -82,7 +82,7 @@ static const struct regmap_irq max77620_gpio_irqs[] = {
},
};
-static struct regmap_irq_chip max77620_gpio_irq_chip = {
+static const struct regmap_irq_chip max77620_gpio_irq_chip = {
.name = "max77620-gpio",
.irqs = max77620_gpio_irqs,
.num_irqs = ARRAY_SIZE(max77620_gpio_irqs),
diff --git a/drivers/gpio/gpio-mb86s7x.c b/drivers/gpio/gpio-mb86s7x.c
index ffb73f688ae1..94d772677ed6 100644
--- a/drivers/gpio/gpio-mb86s7x.c
+++ b/drivers/gpio/gpio-mb86s7x.c
@@ -168,7 +168,9 @@ static int mb86s70_gpio_probe(struct platform_device *pdev)
if (IS_ERR(gchip->clk))
return PTR_ERR(gchip->clk);
- clk_prepare_enable(gchip->clk);
+ ret = clk_prepare_enable(gchip->clk);
+ if (ret)
+ return ret;
spin_lock_init(&gchip->lock);
diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c
index 74fdce096c26..4b80e996d976 100644
--- a/drivers/gpio/gpio-ml-ioh.c
+++ b/drivers/gpio/gpio-ml-ioh.c
@@ -391,9 +391,10 @@ static int ioh_gpio_alloc_generic_chip(struct ioh_gpio *chip,
{
struct irq_chip_generic *gc;
struct irq_chip_type *ct;
+ int rv;
- gc = irq_alloc_generic_chip("ioh_gpio", 1, irq_start, chip->base,
- handle_simple_irq);
+ gc = devm_irq_alloc_generic_chip(chip->dev, "ioh_gpio", 1, irq_start,
+ chip->base, handle_simple_irq);
if (!gc)
return -ENOMEM;
@@ -406,10 +407,11 @@ static int ioh_gpio_alloc_generic_chip(struct ioh_gpio *chip,
ct->chip.irq_disable = ioh_irq_disable;
ct->chip.irq_enable = ioh_irq_enable;
- irq_setup_generic_chip(gc, IRQ_MSK(num), IRQ_GC_INIT_MASK_CACHE,
- IRQ_NOREQUEST | IRQ_NOPROBE, 0);
+ rv = devm_irq_setup_generic_chip(chip->dev, gc, IRQ_MSK(num),
+ IRQ_GC_INIT_MASK_CACHE,
+ IRQ_NOREQUEST | IRQ_NOPROBE, 0);
- return 0;
+ return rv;
}
static int ioh_gpio_probe(struct pci_dev *pdev,
diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
index a6565e128f9e..9532d86a82f7 100644
--- a/drivers/gpio/gpio-mockup.c
+++ b/drivers/gpio/gpio-mockup.c
@@ -20,7 +20,7 @@
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
-#include <linux/irq_work.h>
+#include <linux/irq_sim.h>
#include <linux/debugfs.h>
#include <linux/uaccess.h>
@@ -47,18 +47,12 @@ enum {
struct gpio_mockup_line_status {
int dir;
bool value;
- bool irq_enabled;
-};
-
-struct gpio_mockup_irq_context {
- struct irq_work work;
- int irq;
};
struct gpio_mockup_chip {
struct gpio_chip gc;
struct gpio_mockup_line_status *lines;
- struct gpio_mockup_irq_context irq_ctx;
+ struct irq_sim irqsim;
struct dentry *dbg_dir;
};
@@ -144,65 +138,11 @@ static int gpio_mockup_name_lines(struct device *dev,
return 0;
}
-static int gpio_mockup_to_irq(struct gpio_chip *chip, unsigned int offset)
-{
- return chip->irq_base + offset;
-}
-
-static void gpio_mockup_irqmask(struct irq_data *data)
-{
- struct gpio_chip *gc = irq_data_get_irq_chip_data(data);
- struct gpio_mockup_chip *chip = gpiochip_get_data(gc);
-
- chip->lines[data->irq - gc->irq_base].irq_enabled = false;
-}
-
-static void gpio_mockup_irqunmask(struct irq_data *data)
+static int gpio_mockup_to_irq(struct gpio_chip *gc, unsigned int offset)
{
- struct gpio_chip *gc = irq_data_get_irq_chip_data(data);
struct gpio_mockup_chip *chip = gpiochip_get_data(gc);
- chip->lines[data->irq - gc->irq_base].irq_enabled = true;
-}
-
-static struct irq_chip gpio_mockup_irqchip = {
- .name = GPIO_MOCKUP_NAME,
- .irq_mask = gpio_mockup_irqmask,
- .irq_unmask = gpio_mockup_irqunmask,
-};
-
-static void gpio_mockup_handle_irq(struct irq_work *work)
-{
- struct gpio_mockup_irq_context *irq_ctx;
-
- irq_ctx = container_of(work, struct gpio_mockup_irq_context, work);
- handle_simple_irq(irq_to_desc(irq_ctx->irq));
-}
-
-static int gpio_mockup_irqchip_setup(struct device *dev,
- struct gpio_mockup_chip *chip)
-{
- struct gpio_chip *gc = &chip->gc;
- int irq_base, i;
-
- irq_base = devm_irq_alloc_descs(dev, -1, 0, gc->ngpio, 0);
- if (irq_base < 0)
- return irq_base;
-
- gc->irq_base = irq_base;
- gc->irqchip = &gpio_mockup_irqchip;
-
- for (i = 0; i < gc->ngpio; i++) {
- irq_set_chip(irq_base + i, gc->irqchip);
- irq_set_chip_data(irq_base + i, gc);
- irq_set_handler(irq_base + i, &handle_simple_irq);
- irq_modify_status(irq_base + i,
- IRQ_NOREQUEST | IRQ_NOAUTOEN, IRQ_NOPROBE);
- }
-
- init_irq_work(&chip->irq_ctx.work, gpio_mockup_handle_irq);
-
- return 0;
+ return irq_sim_irqnum(&chip->irqsim, offset);
}
static ssize_t gpio_mockup_event_write(struct file *file,
@@ -213,7 +153,6 @@ static ssize_t gpio_mockup_event_write(struct file *file,
struct gpio_mockup_chip *chip;
struct seq_file *sfile;
struct gpio_desc *desc;
- struct gpio_chip *gc;
int rv, val;
rv = kstrtoint_from_user(usr_buf, size, 0, &val);
@@ -226,13 +165,9 @@ static ssize_t gpio_mockup_event_write(struct file *file,
priv = sfile->private;
desc = priv->desc;
chip = priv->chip;
- gc = &chip->gc;
- if (chip->lines[priv->offset].irq_enabled) {
- gpiod_set_value_cansleep(desc, val);
- priv->chip->irq_ctx.irq = gc->irq_base + priv->offset;
- irq_work_queue(&priv->chip->irq_ctx.work);
- }
+ gpiod_set_value_cansleep(desc, val);
+ irq_sim_fire(&chip->irqsim, priv->offset);
return size;
}
@@ -319,7 +254,7 @@ static int gpio_mockup_add(struct device *dev,
return ret;
}
- ret = gpio_mockup_irqchip_setup(dev, chip);
+ ret = devm_irq_sim_init(dev, &chip->irqsim, gc->ngpio);
if (ret)
return ret;
diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c
index 793518a30afe..8c93dec498fa 100644
--- a/drivers/gpio/gpio-mpc8xxx.c
+++ b/drivers/gpio/gpio-mpc8xxx.c
@@ -348,8 +348,8 @@ static int mpc8xxx_probe(struct platform_device *pdev)
ret = gpiochip_add_data(gc, mpc8xxx_gc);
if (ret) {
- pr_err("%s: GPIO chip registration failed with status %d\n",
- np->full_name, ret);
+ pr_err("%pOF: GPIO chip registration failed with status %d\n",
+ np, ret);
goto err;
}
diff --git a/drivers/gpio/gpio-msic.c b/drivers/gpio/gpio-msic.c
index 1b7ce7f85886..6cb67595d15f 100644
--- a/drivers/gpio/gpio-msic.c
+++