From 9d2d94385327f98ea69c183bb6c1d27cac49abf0 Mon Sep 17 00:00:00 2001 From: "Jett.Zhou" Date: Wed, 30 Nov 2011 14:29:44 +0800 Subject: RTC: sa1100: Clean out ost register These registers are used in old ioctl of UIE and PIE, now they are emulated by rtc generic code of hrtimer, so it can be removed. Signed-off-by: Jett.Zhou Acked-by: Haojian Zhuang Signed-off-by: Arnd Bergmann --- drivers/rtc/rtc-sa1100.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'drivers/rtc') diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c index 0b40bb88a884..6f22c1fdff66 100644 --- a/drivers/rtc/rtc-sa1100.c +++ b/drivers/rtc/rtc-sa1100.c @@ -36,7 +36,6 @@ #ifdef CONFIG_ARCH_PXA #include -#include #endif #define RTC_DEF_DIVIDER (32768 - 1) @@ -188,8 +187,6 @@ static void sa1100_rtc_release(struct device *dev) { spin_lock_irq(&sa1100_rtc_lock); RTSR = 0; - OIER &= ~OIER_E1; - OSSR = OSSR_M1; spin_unlock_irq(&sa1100_rtc_lock); free_irq(IRQ_RTCAlrm, dev); -- cgit v1.2.3 From 42874759d7494648e42e6e0465fc9c4f3752bba4 Mon Sep 17 00:00:00 2001 From: "Jett.Zhou" Date: Wed, 30 Nov 2011 12:26:22 +0800 Subject: RTC: sa1100: remove redundant code of setting alarm In rtc generic interface of setting alarm, it will check the alarm time value valid or not, so rtc_periodic_alarm is redundant, remove it. Signed-off-by: Jett.Zhou Acked-by: Haojian Zhuang Signed-off-by: Arnd Bergmann --- drivers/rtc/rtc-sa1100.c | 53 +++++++++++------------------------------------- 1 file changed, 12 insertions(+), 41 deletions(-) (limited to 'drivers/rtc') diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c index 6f22c1fdff66..d268cf11b367 100644 --- a/drivers/rtc/rtc-sa1100.c +++ b/drivers/rtc/rtc-sa1100.c @@ -45,16 +45,6 @@ static const unsigned long RTC_FREQ = 1024; static struct rtc_time rtc_alarm; static DEFINE_SPINLOCK(sa1100_rtc_lock); -static inline int rtc_periodic_alarm(struct rtc_time *tm) -{ - return (tm->tm_year == -1) || - ((unsigned)tm->tm_mon >= 12) || - ((unsigned)(tm->tm_mday - 1) >= 31) || - ((unsigned)tm->tm_hour > 23) || - ((unsigned)tm->tm_min > 59) || - ((unsigned)tm->tm_sec > 59); -} - /* * Calculate the next alarm time given the requested alarm time mask * and the current time. @@ -82,27 +72,6 @@ static void rtc_next_alarm_time(struct rtc_time *next, struct rtc_time *now, } } -static int rtc_update_alarm(struct rtc_time *alrm) -{ - struct rtc_time alarm_tm, now_tm; - unsigned long now, time; - int ret; - - do { - now = RCNR; - rtc_time_to_tm(now, &now_tm); - rtc_next_alarm_time(&alarm_tm, &now_tm, alrm); - ret = rtc_tm_to_time(&alarm_tm, &time); - if (ret != 0) - break; - - RTSR = RTSR & (RTSR_HZE|RTSR_ALE|RTSR_AL); - RTAR = time; - } while (now != RCNR); - - return ret; -} - static irqreturn_t sa1100_rtc_interrupt(int irq, void *dev_id) { struct platform_device *pdev = to_platform_device(dev_id); @@ -146,9 +115,6 @@ static irqreturn_t sa1100_rtc_interrupt(int irq, void *dev_id) rtc_update_irq(rtc, 1, events); - if (rtsr & RTSR_AL && rtc_periodic_alarm(&rtc_alarm)) - rtc_update_alarm(&rtc_alarm); - spin_unlock(&sa1100_rtc_lock); return IRQ_HANDLED; @@ -234,16 +200,21 @@ static int sa1100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) static int sa1100_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) { + struct rtc_time now_tm, alarm_tm; int ret; spin_lock_irq(&sa1100_rtc_lock); - ret = rtc_update_alarm(&alrm->time); - if (ret == 0) { - if (alrm->enabled) - RTSR |= RTSR_ALE; - else - RTSR &= ~RTSR_ALE; - } + + now = RCNR; + rtc_time_to_tm(now, &now_tm); + rtc_next_alarm_time(&alarm_tm, &now_tm, alrm->time); + rtc_tm_to_time(&alarm_tm, &time); + RTAR = time; + if (alrm->enabled) + RTSR |= RTSR_ALE; + else + RTSR &= ~RTSR_ALE; + spin_unlock_irq(&sa1100_rtc_lock); return ret; -- cgit v1.2.3 From 7cea00657dd4daef66ad95e976d5d67ed94cb97e Mon Sep 17 00:00:00 2001 From: "Jett.Zhou" Date: Wed, 30 Nov 2011 12:26:23 +0800 Subject: RTC: sa1100: support sa1100, pxa and mmp soc families Since the regmap of rtc on sa1100, pxa and mmp Marvell soc families are almost the same, so re-arch the rtc-sa1100 to support them. Signed-off-by: Jett.Zhou Acked-by: Arnd Bergmann Acked-by: Haojian Zhuang Acked-by: Robert Jarzmik Signed-off-by: Arnd Bergmann --- arch/arm/mach-pxa/devices.c | 20 ++++ arch/arm/mach-sa1100/generic.c | 20 ++++ drivers/rtc/Kconfig | 2 +- drivers/rtc/rtc-sa1100.c | 256 ++++++++++++++++++++++++++++------------- 4 files changed, 218 insertions(+), 80 deletions(-) (limited to 'drivers/rtc') diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c index 2e0425404de5..8b134c3b457f 100644 --- a/arch/arm/mach-pxa/devices.c +++ b/arch/arm/mach-pxa/devices.c @@ -415,9 +415,29 @@ static struct resource pxa_rtc_resources[] = { }, }; +static struct resource sa1100_rtc_resources[] = { + [0] = { + .start = 0x40900000, + .end = 0x409000ff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_RTC1Hz, + .end = IRQ_RTC1Hz, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = IRQ_RTCAlrm, + .end = IRQ_RTCAlrm, + .flags = IORESOURCE_IRQ, + }, +}; + struct platform_device sa1100_device_rtc = { .name = "sa1100-rtc", .id = -1, + .num_resources = ARRAY_SIZE(sa1100_rtc_resources), + .resource = sa1100_rtc_resources, }; struct platform_device pxa_device_rtc = { diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c index 5fa5ae1f39e1..3eff179d4fd7 100644 --- a/arch/arm/mach-sa1100/generic.c +++ b/arch/arm/mach-sa1100/generic.c @@ -334,9 +334,29 @@ void sa11x0_register_irda(struct irda_platform_data *irda) sa11x0_register_device(&sa11x0ir_device, irda); } +static struct resource sa11x0rtc_resources[] = { + [0] = { + .start = 0x90010000, + .end = 0x900100ff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_RTC1Hz, + .end = IRQ_RTC1Hz, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = IRQ_RTCAlrm, + .end = IRQ_RTCAlrm, + .flags = IORESOURCE_IRQ, + }, +}; + static struct platform_device sa11x0rtc_device = { .name = "sa1100-rtc", .id = -1, + .resource = sa11x0rtc_resources, + .num_resources = ARRAY_SIZE(sa11x0rtc_resources), }; static struct platform_device *sa11x0_devices[] __initdata = { diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 53eb4e55b289..877cf6fdcf24 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -774,7 +774,7 @@ config RTC_DRV_EP93XX config RTC_DRV_SA1100 tristate "SA11x0/PXA2xx" - depends on ARCH_SA1100 || ARCH_PXA + depends on ARCH_SA1100 || ARCH_PXA || ARCH_MMP help If you say Y here you will get access to the real time clock built into your SA11x0 or PXA2xx CPU. diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c index d268cf11b367..fc1ffe97fca1 100644 --- a/drivers/rtc/rtc-sa1100.c +++ b/drivers/rtc/rtc-sa1100.c @@ -27,24 +27,42 @@ #include #include #include -#include #include -#include +#include +#include +#include #include #include -#ifdef CONFIG_ARCH_PXA -#include -#endif - #define RTC_DEF_DIVIDER (32768 - 1) #define RTC_DEF_TRIM 0 - -static const unsigned long RTC_FREQ = 1024; -static struct rtc_time rtc_alarm; -static DEFINE_SPINLOCK(sa1100_rtc_lock); - +#define RTC_FREQ 1024 + +#define RCNR 0x00 /* RTC Count Register */ +#define RTAR 0x04 /* RTC Alarm Register */ +#define RTSR 0x08 /* RTC Status Register */ +#define RTTR 0x0c /* RTC Timer Trim Register */ + +#define RTSR_HZE (1 << 3) /* HZ interrupt enable */ +#define RTSR_ALE (1 << 2) /* RTC alarm interrupt enable */ +#define RTSR_HZ (1 << 1) /* HZ rising-edge detected */ +#define RTSR_AL (1 << 0) /* RTC alarm detected */ + +#define rtc_readl(sa1100_rtc, reg) \ + readl_relaxed((sa1100_rtc)->base + (reg)) +#define rtc_writel(sa1100_rtc, reg, value) \ + writel_relaxed((value), (sa1100_rtc)->base + (reg)) + +struct sa1100_rtc { + struct resource *ress; + void __iomem *base; + struct clk *clk; + int irq_1Hz; + int irq_Alrm; + struct rtc_device *rtc; + spinlock_t lock; /* Protects this structure */ +}; /* * Calculate the next alarm time given the requested alarm time mask * and the current time. @@ -75,22 +93,23 @@ static void rtc_next_alarm_time(struct rtc_time *next, struct rtc_time *now, static irqreturn_t sa1100_rtc_interrupt(int irq, void *dev_id) { struct platform_device *pdev = to_platform_device(dev_id); - struct rtc_device *rtc = platform_get_drvdata(pdev); + struct sa1100_rtc *sa1100_rtc = platform_get_drvdata(pdev); unsigned int rtsr; unsigned long events = 0; - spin_lock(&sa1100_rtc_lock); + spin_lock(&sa1100_rtc->lock); - rtsr = RTSR; /* clear interrupt sources */ - RTSR = 0; + rtsr = rtc_readl(sa1100_rtc, RTSR); + rtc_writel(sa1100_rtc, RTSR, 0); + /* Fix for a nasty initialization problem the in SA11xx RTSR register. * See also the comments in sa1100_rtc_probe(). */ if (rtsr & (RTSR_ALE | RTSR_HZE)) { /* This is the original code, before there was the if test * above. This code does not clear interrupts that were not * enabled. */ - RTSR = (RTSR_AL | RTSR_HZ) & (rtsr >> 2); + rtc_writel(sa1100_rtc, RTSR, (RTSR_AL | RTSR_HZ) & (rtsr >> 2)); } else { /* For some reason, it is possible to enter this routine * without interruptions enabled, it has been tested with @@ -99,13 +118,13 @@ static irqreturn_t sa1100_rtc_interrupt(int irq, void *dev_id) * This situation leads to an infinite "loop" of interrupt * routine calling and as a result the processor seems to * lock on its first call to open(). */ - RTSR = RTSR_AL | RTSR_HZ; + rtc_writel(sa1100_rtc, RTSR, (RTSR_AL | RTSR_HZ)); } /* clear alarm interrupt if it has occurred */ if (rtsr & RTSR_AL) rtsr &= ~RTSR_ALE; - RTSR = rtsr & (RTSR_ALE | RTSR_HZE); + rtc_writel(sa1100_rtc, RTSR, rtsr & (RTSR_ALE | RTSR_HZE)); /* update irq data & counter */ if (rtsr & RTSR_AL) @@ -113,86 +132,100 @@ static irqreturn_t sa1100_rtc_interrupt(int irq, void *dev_id) if (rtsr & RTSR_HZ) events |= RTC_UF | RTC_IRQF; - rtc_update_irq(rtc, 1, events); + rtc_update_irq(sa1100_rtc->rtc, 1, events); - spin_unlock(&sa1100_rtc_lock); + spin_unlock(&sa1100_rtc->lock); return IRQ_HANDLED; } static int sa1100_rtc_open(struct device *dev) { + struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev); int ret; - struct platform_device *plat_dev = to_platform_device(dev); - struct rtc_device *rtc = platform_get_drvdata(plat_dev); - ret = request_irq(IRQ_RTC1Hz, sa1100_rtc_interrupt, IRQF_DISABLED, - "rtc 1Hz", dev); + ret = request_irq(sa1100_rtc->irq_1Hz, sa1100_rtc_interrupt, + IRQF_DISABLED, "rtc 1Hz", dev); if (ret) { - dev_err(dev, "IRQ %d already in use.\n", IRQ_RTC1Hz); + dev_err(dev, "IRQ %d already in use.\n", sa1100_rtc->irq_1Hz); goto fail_ui; } - ret = request_irq(IRQ_RTCAlrm, sa1100_rtc_interrupt, IRQF_DISABLED, - "rtc Alrm", dev); + ret = request_irq(sa1100_rtc->irq_Alrm, sa1100_rtc_interrupt, + IRQF_DISABLED, "rtc Alrm", dev); if (ret) { - dev_err(dev, "IRQ %d already in use.\n", IRQ_RTCAlrm); + dev_err(dev, "IRQ %d already in use.\n", sa1100_rtc->irq_Alrm); goto fail_ai; } - rtc->max_user_freq = RTC_FREQ; - rtc_irq_set_freq(rtc, NULL, RTC_FREQ); + sa1100_rtc->rtc->max_user_freq = RTC_FREQ; + rtc_irq_set_freq(sa1100_rtc->rtc, NULL, RTC_FREQ); return 0; fail_ai: - free_irq(IRQ_RTC1Hz, dev); + free_irq(sa1100_rtc->irq_1Hz, dev); fail_ui: return ret; } static void sa1100_rtc_release(struct device *dev) { - spin_lock_irq(&sa1100_rtc_lock); - RTSR = 0; - spin_unlock_irq(&sa1100_rtc_lock); + struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev); - free_irq(IRQ_RTCAlrm, dev); - free_irq(IRQ_RTC1Hz, dev); + spin_lock_irq(&sa1100_rtc->lock); + rtc_writel(sa1100_rtc, RTSR, 0); + spin_unlock_irq(&sa1100_rtc->lock); + + free_irq(sa1100_rtc->irq_Alrm, dev); + free_irq(sa1100_rtc->irq_1Hz, dev); } static int sa1100_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled) { - spin_lock_irq(&sa1100_rtc_lock); + struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev); + unsigned int rtsr; + + spin_lock_irq(&sa1100_rtc->lock); + + rtsr = rtc_readl(sa1100_rtc, RTSR); if (enabled) - RTSR |= RTSR_ALE; + rtsr |= RTSR_ALE; else - RTSR &= ~RTSR_ALE; - spin_unlock_irq(&sa1100_rtc_lock); + rtsr &= ~RTSR_ALE; + rtc_writel(sa1100_rtc, RTSR, rtsr); + + spin_unlock_irq(&sa1100_rtc->lock); return 0; } static int sa1100_rtc_read_time(struct device *dev, struct rtc_time *tm) { - rtc_time_to_tm(RCNR, tm); + struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev); + + rtc_time_to_tm(rtc_readl(sa1100_rtc, RCNR), tm); return 0; } static int sa1100_rtc_set_time(struct device *dev, struct rtc_time *tm) { + struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev); unsigned long time; int ret; ret = rtc_tm_to_time(tm, &time); if (ret == 0) - RCNR = time; + rtc_writel(sa1100_rtc, RCNR, time); return ret; } static int sa1100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) { - u32 rtsr; + struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev); + unsigned long time; + unsigned int rtsr; - memcpy(&alrm->time, &rtc_alarm, sizeof(struct rtc_time)); - rtsr = RTSR; + time = rtc_readl(sa1100_rtc, RCNR); + rtc_time_to_tm(time, &alrm->time); + rtsr = rtc_readl(sa1100_rtc, RTSR); alrm->enabled = (rtsr & RTSR_ALE) ? 1 : 0; alrm->pending = (rtsr & RTSR_AL) ? 1 : 0; return 0; @@ -200,31 +233,39 @@ static int sa1100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) static int sa1100_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) { + struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev); struct rtc_time now_tm, alarm_tm; - int ret; + unsigned long time, alarm; + unsigned int rtsr; + + spin_lock_irq(&sa1100_rtc->lock); - spin_lock_irq(&sa1100_rtc_lock); + time = rtc_readl(sa1100_rtc, RCNR); + rtc_time_to_tm(time, &now_tm); + rtc_next_alarm_time(&alarm_tm, &now_tm, &alrm->time); + rtc_tm_to_time(&alarm_tm, &alarm); + rtc_writel(sa1100_rtc, RTAR, alarm); - now = RCNR; - rtc_time_to_tm(now, &now_tm); - rtc_next_alarm_time(&alarm_tm, &now_tm, alrm->time); - rtc_tm_to_time(&alarm_tm, &time); - RTAR = time; + rtsr = rtc_readl(sa1100_rtc, RTSR); if (alrm->enabled) - RTSR |= RTSR_ALE; + rtsr |= RTSR_ALE; else - RTSR &= ~RTSR_ALE; + rtsr &= ~RTSR_ALE; + rtc_writel(sa1100_rtc, RTSR, rtsr); - spin_unlock_irq(&sa1100_rtc_lock); + spin_unlock_irq(&sa1100_rtc->lock); - return ret; + return 0; } static int sa1100_rtc_proc(struct device *dev, struct seq_file *seq) { - seq_printf(seq, "trim/divider\t\t: 0x%08x\n", (u32) RTTR); - seq_printf(seq, "RTSR\t\t\t: 0x%08x\n", (u32)RTSR); + struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev); + seq_printf(seq, "trim/divider\t\t: 0x%08x\n", + rtc_readl(sa1100_rtc, RTTR)); + seq_printf(seq, "RTSR\t\t\t: 0x%08x\n", + rtc_readl(sa1100_rtc, RTSR)); return 0; } @@ -241,7 +282,51 @@ static const struct rtc_class_ops sa1100_rtc_ops = { static int sa1100_rtc_probe(struct platform_device *pdev) { - struct rtc_device *rtc; + struct sa1100_rtc *sa1100_rtc; + unsigned int rttr; + int ret; + + sa1100_rtc = kzalloc(sizeof(struct sa1100_rtc), GFP_KERNEL); + if (!sa1100_rtc) + return -ENOMEM; + + spin_lock_init(&sa1100_rtc->lock); + platform_set_drvdata(pdev, sa1100_rtc); + + ret = -ENXIO; + sa1100_rtc->ress = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!sa1100_rtc->ress) { + dev_err(&pdev->dev, "No I/O memory resource defined\n"); + goto err_ress; + } + + sa1100_rtc->irq_1Hz = platform_get_irq(pdev, 0); + if (sa1100_rtc->irq_1Hz < 0) { + dev_err(&pdev->dev, "No 1Hz IRQ resource defined\n"); + goto err_ress; + } + sa1100_rtc->irq_Alrm = platform_get_irq(pdev, 1); + if (sa1100_rtc->irq_Alrm < 0) { + dev_err(&pdev->dev, "No alarm IRQ resource defined\n"); + goto err_ress; + } + + ret = -ENOMEM; + sa1100_rtc->base = ioremap(sa1100_rtc->ress->start, + resource_size(sa1100_rtc->ress)); + if (!sa1100_rtc->base) { + dev_err(&pdev->dev, "Unable to map pxa RTC I/O memory\n"); + goto err_map; + } + + sa1100_rtc->clk = clk_get(&pdev->dev, NULL); + if (IS_ERR(sa1100_rtc->clk)) { + dev_err(&pdev->dev, "failed to find rtc clock source\n"); + ret = PTR_ERR(sa1100_rtc->clk); + goto err_clk; + } + clk_prepare(sa1100_rtc->clk); + clk_enable(sa1100_rtc->clk); /* * According to the manual we should be able to let RTTR be zero @@ -250,24 +335,24 @@ static int sa1100_rtc_probe(struct platform_device *pdev) * If the clock divider is uninitialized then reset it to the * default value to get the 1Hz clock. */ - if (RTTR == 0) { - RTTR = RTC_DEF_DIVIDER + (RTC_DEF_TRIM << 16); - dev_warn(&pdev->dev, "warning: " - "initializing default clock divider/trim value\n"); + if (rtc_readl(sa1100_rtc, RTTR) == 0) { + rttr = RTC_DEF_DIVIDER + (RTC_DEF_TRIM << 16); + rtc_writel(sa1100_rtc, RTTR, rttr); + dev_warn(&pdev->dev, "warning: initializing default clock" + " divider/trim value\n"); /* The current RTC value probably doesn't make sense either */ - RCNR = 0; + rtc_writel(sa1100_rtc, RCNR, 0); } device_init_wakeup(&pdev->dev, 1); - rtc = rtc_device_register(pdev->name, &pdev->dev, &sa1100_rtc_ops, - THIS_MODULE); - - if (IS_ERR(rtc)) - return PTR_ERR(rtc); - - platform_set_drvdata(pdev, rtc); - + sa1100_rtc->rtc = rtc_device_register(pdev->name, &pdev->dev, + &sa1100_rtc_ops, THIS_MODULE); + if (IS_ERR(sa1100_rtc->rtc)) { + dev_err(&pdev->dev, "Failed to register RTC device -> %d\n", + ret); + goto err_rtc_reg; + } /* Fix for a nasty initialization problem the in SA11xx RTSR register. * See also the comments in sa1100_rtc_interrupt(). * @@ -290,33 +375,46 @@ static int sa1100_rtc_probe(struct platform_device *pdev) * * Notice that clearing bit 1 and 0 is accomplished by writting ONES to * the corresponding bits in RTSR. */ - RTSR = RTSR_AL | RTSR_HZ; + rtc_writel(sa1100_rtc, RTSR, (RTSR_AL | RTSR_HZ)); return 0; + +err_rtc_reg: +err_clk: + iounmap(sa1100_rtc->base); +err_ress: +err_map: + kfree(sa1100_rtc); + return ret; } static int sa1100_rtc_remove(struct platform_device *pdev) { - struct rtc_device *rtc = platform_get_drvdata(pdev); - - if (rtc) - rtc_device_unregister(rtc); + struct sa1100_rtc *sa1100_rtc = platform_get_drvdata(pdev); + rtc_device_unregister(sa1100_rtc->rtc); + clk_disable(sa1100_rtc->clk); + clk_unprepare(sa1100_rtc->clk); + iounmap(sa1100_rtc->base); return 0; } #ifdef CONFIG_PM static int sa1100_rtc_suspend(struct device *dev) { + struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev); + if (device_may_wakeup(dev)) - enable_irq_wake(IRQ_RTCAlrm); + enable_irq_wake(sa1100_rtc->irq_Alrm); return 0; } static int sa1100_rtc_resume(struct device *dev) { + struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev); + if (device_may_wakeup(dev)) - disable_irq_wake(IRQ_RTCAlrm); + disable_irq_wake(sa1100_rtc->irq_Alrm); return 0; } -- cgit v1.2.3