diff options
72 files changed, 566 insertions, 678 deletions
diff --git a/arch/mips/sgi-ip32/ip32-platform.c b/arch/mips/sgi-ip32/ip32-platform.c index 5a2a82148d8d..c3909bd8dd1a 100644 --- a/arch/mips/sgi-ip32/ip32-platform.c +++ b/arch/mips/sgi-ip32/ip32-platform.c @@ -115,7 +115,7 @@ ip32_rtc_platform_data[] = { .bcd_mode = true, .no_irq = false, .uie_unsupported = false, - .alloc_io_resources = true, + .access_type = ds1685_reg_direct, .plat_prepare_poweroff = ip32_prepare_poweroff, }, }; diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 1adf9f815652..d77515d8382c 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -373,17 +373,6 @@ config RTC_DRV_MAX77686 This driver can also be built as a module. If so, the module will be called rtc-max77686. -config RTC_DRV_MESON_VRTC - tristate "Amlogic Meson Virtual RTC" - depends on ARCH_MESON || COMPILE_TEST - default m if ARCH_MESON - help - If you say yes here you will get support for the - Virtual RTC of Amlogic SoCs. - - This driver can also be built as a module. If so, the module - will be called rtc-meson-vrtc. - config RTC_DRV_RK808 tristate "Rockchip RK805/RK808/RK809/RK817/RK818 RTC" depends on MFD_RK808 @@ -1337,8 +1326,6 @@ config RTC_DRV_IMXDI config RTC_DRV_FSL_FTM_ALARM tristate "Freescale FlexTimer alarm timer" depends on ARCH_LAYERSCAPE || SOC_LS1021A - select FSL_RCPM - default y help For the FlexTimer in LS1012A, LS1021A, LS1028A, LS1043A, LS1046A, LS1088A, LS208xA, we can use FTM as the wakeup source. @@ -1360,6 +1347,17 @@ config RTC_DRV_MESON This driver can also be built as a module, if so, the module will be called "rtc-meson". +config RTC_DRV_MESON_VRTC + tristate "Amlogic Meson Virtual RTC" + depends on ARCH_MESON || COMPILE_TEST + default m if ARCH_MESON + help + If you say yes here you will get support for the + Virtual RTC of Amlogic SoCs. + + This driver can also be built as a module. If so, the module + will be called rtc-meson-vrtc. + config RTC_DRV_OMAP tristate "TI OMAP Real Time Clock" depends on ARCH_OMAP || ARCH_DAVINCI || COMPILE_TEST @@ -1459,6 +1457,7 @@ config RTC_DRV_PL031 config RTC_DRV_AT91RM9200 tristate "AT91RM9200 or some AT91SAM9 RTC" depends on ARCH_AT91 || COMPILE_TEST + depends on OF help Driver for the internal RTC (Realtime Clock) module found on Atmel AT91RM9200's and some AT91SAM9 chips. On AT91SAM9 chips @@ -1510,9 +1509,9 @@ config RTC_DRV_PXA depends on ARCH_PXA select RTC_DRV_SA1100 help - If you say Y here you will get access to the real time clock - built into your PXA27x or PXA3xx CPU. This RTC is actually 2 RTCs - consisting of an SA1100 compatible RTC and the extended PXA RTC. + If you say Y here you will get access to the real time clock + built into your PXA27x or PXA3xx CPU. This RTC is actually 2 RTCs + consisting of an SA1100 compatible RTC and the extended PXA RTC. This RTC driver uses PXA RTC registers available since pxa27x series (RDxR, RYxR) instead of legacy RCNR, RTAR. diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index c93ef33b01d3..794a4f036b99 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -70,7 +70,7 @@ static int rtc_valid_range(struct rtc_device *rtc, struct rtc_time *tm) time64_t time = rtc_tm_to_time64(tm); time64_t range_min = rtc->set_start_time ? rtc->start_secs : rtc->range_min; - time64_t range_max = rtc->set_start_time ? + timeu64_t range_max = rtc->set_start_time ? (rtc->start_secs + rtc->range_max - rtc->range_min) : rtc->range_max; @@ -125,7 +125,7 @@ EXPORT_SYMBOL_GPL(rtc_read_time); int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm) { - int err; + int err, uie; err = rtc_valid_tm(tm); if (err != 0) @@ -137,6 +137,17 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm) rtc_subtract_offset(rtc, tm); +#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL + uie = rtc->uie_rtctimer.enabled || rtc->uie_irq_active; +#else + uie = rtc->uie_rtctimer.enabled; +#endif + if (uie) { + err = rtc_update_irq_enable(rtc, 0); + if (err) + return err; + } + err = mutex_lock_interruptible(&rtc->ops_lock); if (err) return err; @@ -153,6 +164,12 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm) /* A timer might have just expired */ schedule_work(&rtc->irqwork); + if (uie) { + err = rtc_update_irq_enable(rtc, 1); + if (err) + return err; + } + trace_rtc_set_time(rtc_tm_to_time64(tm), err); return err; } @@ -528,7 +545,7 @@ EXPORT_SYMBOL_GPL(rtc_alarm_irq_enable); int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled) { - int err; + int rc = 0, err; err = mutex_lock_interruptible(&rtc->ops_lock); if (err) @@ -553,7 +570,9 @@ int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled) struct rtc_time tm; ktime_t now, onesec; - __rtc_read_time(rtc, &tm); + rc = __rtc_read_time(rtc, &tm); + if (rc) + goto out; onesec = ktime_set(1, 0); now = rtc_tm_to_ktime(tm); rtc->uie_rtctimer.node.expires = ktime_add(now, onesec); @@ -565,6 +584,16 @@ int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled) out: mutex_unlock(&rtc->ops_lock); + + /* + * __rtc_read_time() failed, this probably means that the RTC time has + * never been set or less probably there is a transient error on the + * bus. In any case, avoid enabling emulation has this will fail when + * reading the time too. + */ + if (rc) + return rc; + #ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL /* * Enable emulation if the driver returned -EINVAL to signal that it has @@ -581,6 +610,8 @@ EXPORT_SYMBOL_GPL(rtc_update_irq_enable); /** * rtc_handle_legacy_irq - AIE, UIE and PIE event hook * @rtc: pointer to the rtc device + * @num: number of occurence of the event + * @mode: type of the event, RTC_AF, RTC_UF of RTC_PF * * This function is called when an AIE, UIE or PIE mode interrupt * has occurred (or been emulated). @@ -761,8 +792,8 @@ int rtc_irq_set_freq(struct rtc_device *rtc, int freq) /** * rtc_timer_enqueue - Adds a rtc_timer to the rtc_device timerqueue - * @rtc rtc device - * @timer timer being added. + * @rtc: rtc device + * @timer: timer being added. * * Enqueues a timer onto the rtc devices timerqueue and sets * the next alarm event appropriately. @@ -821,8 +852,8 @@ static void rtc_alarm_disable(struct rtc_device *rtc) /** * rtc_timer_remove - Removes a rtc_timer from the rtc_device timerqueue - * @rtc rtc device - * @timer timer being removed. + * @rtc: rtc device + * @timer: timer being removed. * * Removes a timer onto the rtc devices timerqueue and sets * the next alarm event appropriately. @@ -859,8 +890,7 @@ static void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer) /** * rtc_timer_do_work - Expires rtc timers - * @rtc rtc device - * @timer timer being removed. + * @work: work item * * Expires rtc timers. Reprograms next alarm event if needed. * Called via worktask. @@ -993,8 +1023,8 @@ void rtc_timer_cancel(struct rtc_device *rtc, struct rtc_timer *timer) /** * rtc_read_offset - Read the amount of rtc offset in parts per billion - * @ rtc: rtc device to be used - * @ offset: the offset in parts per billion + * @rtc: rtc device to be used + * @offset: the offset in parts per billion * * see below for details. * @@ -1022,8 +1052,8 @@ int rtc_read_offset(struct rtc_device *rtc, long *offset) /** * rtc_set_offset - Adjusts the duration of the average second - * @ rtc: rtc device to be used - * @ offset: the offset in parts per billion + * @rtc: rtc device to be used + * @offset: the offset in parts per billion * * Some rtc's allow an adjustment to the average duration of a second * to compensate for differences in the actual clock rate due to temperature, diff --git a/drivers/rtc/rtc-ab-b5ze-s3.c b/drivers/rtc/rtc-ab-b5ze-s3.c index cdad6f00debf..811fe2005488 100644 --- a/drivers/rtc/rtc-ab-b5ze-s3.c +++ b/drivers/rtc/rtc-ab-b5ze-s3.c @@ -900,16 +900,6 @@ err: return ret; } -static int abb5zes3_remove(struct i2c_client *client) -{ - struct abb5zes3_rtc_data *rtc_data = dev_get_drvdata(&client->dev); - - if (rtc_data->irq > 0) - device_init_wakeup(&client->dev, false); - - return 0; -} - #ifdef CONFIG_PM_SLEEP static int abb5zes3_rtc_suspend(struct device *dev) { @@ -956,7 +946,6 @@ static struct i2c_driver abb5zes3_driver = { .of_match_table = of_match_ptr(abb5zes3_dt_match), }, .probe = abb5zes3_probe, - .remove = abb5zes3_remove, .id_table = abb5zes3_id, }; module_i2c_driver(abb5zes3_driver); diff --git a/drivers/rtc/rtc-armada38x.c b/drivers/rtc/rtc-armada38x.c index 9351bd52477e..94d7c22fc4f3 100644 --- a/drivers/rtc/rtc-armada38x.c +++ b/drivers/rtc/rtc-armada38x.c @@ -74,7 +74,7 @@ struct armada38x_rtc { int irq; bool initialized; struct value_to_freq *val_to_freq; - struct armada38x_rtc_data *data; + const struct armada38x_rtc_data *data; }; #define ALARM1 0 @@ -501,17 +501,14 @@ static __init int armada38x_rtc_probe(struct platform_device *pdev) { struct resource *res; struct armada38x_rtc *rtc; - const struct of_device_id *match; - - match = of_match_device(armada38x_rtc_of_match_table, &pdev->dev); - if (!match) - return -ENODEV; rtc = devm_kzalloc(&pdev->dev, sizeof(struct armada38x_rtc), GFP_KERNEL); if (!rtc) return -ENOMEM; + rtc->data = of_device_get_match_data(&pdev->dev); + rtc->val_to_freq = devm_kcalloc(&pdev->dev, SAMPLE_NR, sizeof(struct value_to_freq), GFP_KERNEL); if (!rtc->val_to_freq) @@ -553,7 +550,6 @@ static __init int armada38x_rtc_probe(struct platform_device *pdev) */ rtc->rtc_dev->ops = &armada38x_rtc_ops_noirq; } - rtc->data = (struct armada38x_rtc_data *)match->data; /* Update RTC-MBUS bridge timing parameters */ rtc->data->update_mbus_timing(rtc); diff --git a/drivers/rtc/rtc-asm9260.c b/drivers/rtc/rtc-asm9260.c index 10413d803caa..10064bdabdff 100644 --- a/drivers/rtc/rtc-asm9260.c +++ b/drivers/rtc/rtc-asm9260.c @@ -245,7 +245,6 @@ static int asm9260_rtc_probe(struct platform_device *pdev) { struct asm9260_rtc_priv *priv; struct device *dev = &pdev->dev; - struct resource *res; int irq_alarm, ret; u32 ccr; @@ -260,8 +259,7 @@ static int asm9260_rtc_probe(struct platform_device *pdev) if (irq_alarm < 0) return irq_alarm; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - priv->iobase = devm_ioremap_resource(dev, res); + priv->iobase = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(priv->iobase)) return PTR_ERR(priv->iobase); diff --git a/drivers/rtc/rtc-aspeed.c b/drivers/rtc/rtc-aspeed.c index e351d35b29a3..eacdd0637cce 100644 --- a/drivers/rtc/rtc-aspeed.c +++ b/drivers/rtc/rtc-aspeed.c @@ -85,14 +85,12 @@ static const struct rtc_class_ops aspeed_rtc_ops = { static int aspeed_rtc_probe(struct platform_device *pdev) { struct aspeed_rtc *rtc; - struct resource *res; rtc = devm_kzalloc(&pdev->dev, sizeof(*rtc), GFP_KERNEL); if (!rtc) return -ENOMEM; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - rtc->base = devm_ioremap_resource(&pdev->dev, res); + rtc->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(rtc->base)) return PTR_ERR(rtc->base); diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c index d119c6e6353e..3b833e02a657 100644 --- a/drivers/rtc/rtc-at91rm9200.c +++ b/drivers/rtc/rtc-at91rm9200.c @@ -319,7 +319,6 @@ static const struct at91_rtc_config at91sam9x5_config = { .use_shadow_imr = true, }; -#ifdef CONFIG_OF static const struct of_device_id at91_rtc_dt_ids[] = { { .compatible = "atmel,at91rm9200-rtc", @@ -332,22 +331,6 @@ static const struct of_device_id at91_rtc_dt_ids[] = { } }; MODULE_DEVICE_TABLE(of, at91_rtc_dt_ids); -#endif - -static const struct at91_rtc_config * -at91_rtc_get_config(struct platform_device *pdev) -{ - const struct of_device_id *match; - - if (pdev->dev.of_node) { - match = of_match_node(at91_rtc_dt_ids, pdev->dev.of_node); - if (!match) - return NULL; - return (const struct at91_rtc_config *)match->data; - } - - return &at91rm9200_config; -} static const struct rtc_class_ops at91_rtc_ops = { .read_time = at91_rtc_readtime, @@ -367,7 +350,7 @@ static int __init at91_rtc_probe(struct platform_device *pdev) struct resource *regs; int ret = 0; - at91_rtc_config = at91_rtc_get_config(pdev); + at91_rtc_config = of_device_get_match_data(&pdev->dev); if (!at91_rtc_config) return -ENODEV; diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c index bb3ba7bfe6a5..e39e89867d29 100644 --- a/drivers/rtc/rtc-at91sam9.c +++ b/drivers/rtc/rtc-at91sam9.c @@ -334,7 +334,6 @@ static const struct rtc_class_ops at91_rtc_ops = { */ static int at91_rtc_probe(struct platform_device *pdev) { - struct resource *r; struct sam9_rtc *rtc; int ret, irq; u32 mr; @@ -358,8 +357,7 @@ static int at91_rtc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, rtc); - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - rtc->rtt = devm_ioremap_resource(&pdev->dev, r); + rtc->rtt = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(rtc->rtt)) return PTR_ERR(rtc->rtt); diff --git a/drivers/rtc/rtc-bd70528.c b/drivers/rtc/rtc-bd70528.c index 7744333b0f40..627037aa66a8 100644 --- a/drivers/rtc/rtc-bd70528.c +++ b/drivers/rtc/rtc-bd70528.c @@ -491,3 +491,4 @@ module_platform_driver(bd70528_rtc); MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>"); MODULE_DESCRIPTION("BD70528 RTC driver"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:bd70528-rtc"); diff --git a/drivers/rtc/rtc-brcmstb-waketimer.c b/drivers/rtc/rtc-brcmstb-waketimer.c index 3e9800f9878a..4fee57c51280 100644 --- a/drivers/rtc/rtc-brcmstb-waketimer.c +++ b/drivers/rtc/rtc-brcmstb-waketimer.c @@ -200,7 +200,6 @@ static int brcmstb_waketmr_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct brcmstb_waketmr *timer; - struct resource *res; int ret; timer = devm_kzalloc(dev, sizeof(*timer), GFP_KERNEL); @@ -210,8 +209,7 @@ static int brcmstb_waketmr_probe(struct platform_device *pdev) platform_set_drvdata(pdev, timer); timer->dev = dev; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - timer->base = devm_ioremap_resource(dev, res); + timer->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(timer->base)) return PTR_ERR(timer->base); @@ -277,6 +275,7 @@ static int brcmstb_waketmr_remove(struct platform_device *pdev) struct brcmstb_waketmr *timer = dev_get_drvdata(&pdev->dev); unregister_reboot_notifier(&timer->reboot_notifier); + clk_disable_unprepare(timer->clk); return 0; } diff --git a/drivers/rtc/rtc-cadence.c b/drivers/rtc/rtc-cadence.c index 592aae23cbaf..595d5d252850 100644 --- a/drivers/rtc/rtc-cadence.c +++ b/drivers/rtc/rtc-cadence.c @@ -255,7 +255,6 @@ static const struct rtc_class_ops cdns_rtc_ops = { static int cdns_rtc_probe(struct platform_device *pdev) { struct cdns_rtc *crtc; - struct resource *res; int ret; unsigned long ref_clk_freq; @@ -263,8 +262,7 @@ static int cdns_rtc_probe(struct platform_device *pdev) if (!crtc)</ |