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rtc: omap: add device abstraction
Add struct omap_rtc to hold previously global data as well as the IP-block feature flags. Also convert the register-access macros to proper inline helper functions. Signed-off-by: Johan Hovold <johan@kernel.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Tony Lindgren <tony@atomide.com> Cc: Benot Cousson <bcousson@baylibre.com> Cc: Lokesh Vutla <lokeshvutla@ti.com> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Sekhar Nori <nsekhar@ti.com> Cc: Tero Kristo <t-kristo@ti.com> Cc: Keerthy J <j-keerthy@ti.com> Tested-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
parent
d17a82e212
commit
55ba953a35
1 changed files with 134 additions and 107 deletions
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@ -118,26 +118,42 @@
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*/
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#define OMAP_RTC_HAS_32KCLK_EN BIT(2)
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static void __iomem *rtc_base;
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struct omap_rtc {
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struct rtc_device *rtc;
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void __iomem *base;
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int irq_alarm;
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int irq_timer;
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u8 interrupts_reg;
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unsigned long flags;
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};
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#define rtc_read(addr) readb(rtc_base + (addr))
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#define rtc_write(val, addr) writeb(val, rtc_base + (addr))
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static inline u8 rtc_read(struct omap_rtc *rtc, unsigned int reg)
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{
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return readb(rtc->base + reg);
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}
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#define rtc_writel(val, addr) writel(val, rtc_base + (addr))
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static inline void rtc_write(struct omap_rtc *rtc, unsigned int reg, u8 val)
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{
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writeb(val, rtc->base + reg);
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}
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static inline void rtc_writel(struct omap_rtc *rtc, unsigned int reg, u32 val)
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{
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writel(val, rtc->base + reg);
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}
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/* we rely on the rtc framework to handle locking (rtc->ops_lock),
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* so the only other requirement is that register accesses which
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* require BUSY to be clear are made with IRQs locally disabled
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*/
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static void rtc_wait_not_busy(void)
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static void rtc_wait_not_busy(struct omap_rtc *rtc)
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{
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int count = 0;
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u8 status;
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/* BUSY may stay active for 1/32768 second (~30 usec) */
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for (count = 0; count < 50; count++) {
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status = rtc_read(OMAP_RTC_STATUS_REG);
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status = rtc_read(rtc, OMAP_RTC_STATUS_REG);
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if ((status & (u8)OMAP_RTC_STATUS_BUSY) == 0)
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break;
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udelay(1);
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@ -145,16 +161,17 @@ static void rtc_wait_not_busy(void)
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/* now we have ~15 usec to read/write various registers */
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}
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static irqreturn_t rtc_irq(int irq, void *rtc)
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static irqreturn_t rtc_irq(int irq, void *dev_id)
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{
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struct omap_rtc *rtc = dev_id;
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unsigned long events = 0;
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u8 irq_data;
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irq_data = rtc_read(OMAP_RTC_STATUS_REG);
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irq_data = rtc_read(rtc, OMAP_RTC_STATUS_REG);
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/* alarm irq? */
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if (irq_data & OMAP_RTC_STATUS_ALARM) {
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rtc_write(OMAP_RTC_STATUS_ALARM, OMAP_RTC_STATUS_REG);
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rtc_write(rtc, OMAP_RTC_STATUS_REG, OMAP_RTC_STATUS_ALARM);
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events |= RTC_IRQF | RTC_AF;
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}
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@ -162,23 +179,21 @@ static irqreturn_t rtc_irq(int irq, void *rtc)
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if (irq_data & OMAP_RTC_STATUS_1S_EVENT)
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events |= RTC_IRQF | RTC_UF;
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rtc_update_irq(rtc, 1, events);
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rtc_update_irq(rtc->rtc, 1, events);
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return IRQ_HANDLED;
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}
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static int omap_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
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{
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struct omap_rtc *rtc = dev_get_drvdata(dev);
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u8 reg, irqwake_reg = 0;
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struct platform_device *pdev = to_platform_device(dev);
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const struct platform_device_id *id_entry =
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platform_get_device_id(pdev);
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local_irq_disable();
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rtc_wait_not_busy();
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reg = rtc_read(OMAP_RTC_INTERRUPTS_REG);
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if (id_entry->driver_data & OMAP_RTC_HAS_IRQWAKEEN)
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irqwake_reg = rtc_read(OMAP_RTC_IRQWAKEEN);
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rtc_wait_not_busy(rtc);
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reg = rtc_read(rtc, OMAP_RTC_INTERRUPTS_REG);
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if (rtc->flags & OMAP_RTC_HAS_IRQWAKEEN)
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irqwake_reg = rtc_read(rtc, OMAP_RTC_IRQWAKEEN);
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if (enabled) {
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reg |= OMAP_RTC_INTERRUPTS_IT_ALARM;
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@ -187,10 +202,10 @@ static int omap_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
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reg &= ~OMAP_RTC_INTERRUPTS_IT_ALARM;
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irqwake_reg &= ~OMAP_RTC_IRQWAKEEN_ALARM_WAKEEN;
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}
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rtc_wait_not_busy();
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rtc_write(reg, OMAP_RTC_INTERRUPTS_REG);
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if (id_entry->driver_data & OMAP_RTC_HAS_IRQWAKEEN)
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rtc_write(irqwake_reg, OMAP_RTC_IRQWAKEEN);
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rtc_wait_not_busy(rtc);
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rtc_write(rtc, OMAP_RTC_INTERRUPTS_REG, reg);
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if (rtc->flags & OMAP_RTC_HAS_IRQWAKEEN)
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rtc_write(rtc, OMAP_RTC_IRQWAKEEN, irqwake_reg);
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local_irq_enable();
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return 0;
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@ -231,16 +246,18 @@ static void bcd2tm(struct rtc_time *tm)
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static int omap_rtc_read_time(struct device *dev, struct rtc_time *tm)
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{
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struct omap_rtc *rtc = dev_get_drvdata(dev);
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/* we don't report wday/yday/isdst ... */
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local_irq_disable();
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rtc_wait_not_busy();
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rtc_wait_not_busy(rtc);
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tm->tm_sec = rtc_read(OMAP_RTC_SECONDS_REG);
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tm->tm_min = rtc_read(OMAP_RTC_MINUTES_REG);
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tm->tm_hour = rtc_read(OMAP_RTC_HOURS_REG);
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tm->tm_mday = rtc_read(OMAP_RTC_DAYS_REG);
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tm->tm_mon = rtc_read(OMAP_RTC_MONTHS_REG);
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tm->tm_year = rtc_read(OMAP_RTC_YEARS_REG);
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tm->tm_sec = rtc_read(rtc, OMAP_RTC_SECONDS_REG);
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tm->tm_min = rtc_read(rtc, OMAP_RTC_MINUTES_REG);
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tm->tm_hour = rtc_read(rtc, OMAP_RTC_HOURS_REG);
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tm->tm_mday = rtc_read(rtc, OMAP_RTC_DAYS_REG);
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tm->tm_mon = rtc_read(rtc, OMAP_RTC_MONTHS_REG);
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tm->tm_year = rtc_read(rtc, OMAP_RTC_YEARS_REG);
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local_irq_enable();
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@ -250,17 +267,19 @@ static int omap_rtc_read_time(struct device *dev, struct rtc_time *tm)
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static int omap_rtc_set_time(struct device *dev, struct rtc_time *tm)
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{
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struct omap_rtc *rtc = dev_get_drvdata(dev);
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if (tm2bcd(tm) < 0)
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return -EINVAL;
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local_irq_disable();
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rtc_wait_not_busy();
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rtc_wait_not_busy(rtc);
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rtc_write(tm->tm_year, OMAP_RTC_YEARS_REG);
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rtc_write(tm->tm_mon, OMAP_RTC_MONTHS_REG);
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rtc_write(tm->tm_mday, OMAP_RTC_DAYS_REG);
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rtc_write(tm->tm_hour, OMAP_RTC_HOURS_REG);
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rtc_write(tm->tm_min, OMAP_RTC_MINUTES_REG);
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rtc_write(tm->tm_sec, OMAP_RTC_SECONDS_REG);
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rtc_write(rtc, OMAP_RTC_YEARS_REG, tm->tm_year);
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rtc_write(rtc, OMAP_RTC_MONTHS_REG, tm->tm_mon);
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rtc_write(rtc, OMAP_RTC_DAYS_REG, tm->tm_mday);
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rtc_write(rtc, OMAP_RTC_HOURS_REG, tm->tm_hour);
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rtc_write(rtc, OMAP_RTC_MINUTES_REG, tm->tm_min);
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rtc_write(rtc, OMAP_RTC_SECONDS_REG, tm->tm_sec);
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local_irq_enable();
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@ -269,20 +288,22 @@ static int omap_rtc_set_time(struct device *dev, struct rtc_time *tm)
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static int omap_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
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{
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local_irq_disable();
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rtc_wait_not_busy();
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struct omap_rtc *rtc = dev_get_drvdata(dev);
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alm->time.tm_sec = rtc_read(OMAP_RTC_ALARM_SECONDS_REG);
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alm->time.tm_min = rtc_read(OMAP_RTC_ALARM_MINUTES_REG);
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alm->time.tm_hour = rtc_read(OMAP_RTC_ALARM_HOURS_REG);
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alm->time.tm_mday = rtc_read(OMAP_RTC_ALARM_DAYS_REG);
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alm->time.tm_mon = rtc_read(OMAP_RTC_ALARM_MONTHS_REG);
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alm->time.tm_year = rtc_read(OMAP_RTC_ALARM_YEARS_REG);
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local_irq_disable();
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rtc_wait_not_busy(rtc);
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alm->time.tm_sec = rtc_read(rtc, OMAP_RTC_ALARM_SECONDS_REG);
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alm->time.tm_min = rtc_read(rtc, OMAP_RTC_ALARM_MINUTES_REG);
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alm->time.tm_hour = rtc_read(rtc, OMAP_RTC_ALARM_HOURS_REG);
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alm->time.tm_mday = rtc_read(rtc, OMAP_RTC_ALARM_DAYS_REG);
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alm->time.tm_mon = rtc_read(rtc, OMAP_RTC_ALARM_MONTHS_REG);
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alm->time.tm_year = rtc_read(rtc, OMAP_RTC_ALARM_YEARS_REG);
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local_irq_enable();
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bcd2tm(&alm->time);
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alm->enabled = !!(rtc_read(OMAP_RTC_INTERRUPTS_REG)
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alm->enabled = !!(rtc_read(rtc, OMAP_RTC_INTERRUPTS_REG)
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& OMAP_RTC_INTERRUPTS_IT_ALARM);
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return 0;
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@ -290,27 +311,25 @@ static int omap_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
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static int omap_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
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{
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struct omap_rtc *rtc = dev_get_drvdata(dev);
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u8 reg, irqwake_reg = 0;
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struct platform_device *pdev = to_platform_device(dev);
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const struct platform_device_id *id_entry =
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platform_get_device_id(pdev);
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if (tm2bcd(&alm->time) < 0)
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return -EINVAL;
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local_irq_disable();
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rtc_wait_not_busy();
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rtc_wait_not_busy(rtc);
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rtc_write(alm->time.tm_year, OMAP_RTC_ALARM_YEARS_REG);
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rtc_write(alm->time.tm_mon, OMAP_RTC_ALARM_MONTHS_REG);
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rtc_write(alm->time.tm_mday, OMAP_RTC_ALARM_DAYS_REG);
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rtc_write(alm->time.tm_hour, OMAP_RTC_ALARM_HOURS_REG);
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rtc_write(alm->time.tm_min, OMAP_RTC_ALARM_MINUTES_REG);
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rtc_write(alm->time.tm_sec, OMAP_RTC_ALARM_SECONDS_REG);
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rtc_write(rtc, OMAP_RTC_ALARM_YEARS_REG, alm->time.tm_year);
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rtc_write(rtc, OMAP_RTC_ALARM_MONTHS_REG, alm->time.tm_mon);
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rtc_write(rtc, OMAP_RTC_ALARM_DAYS_REG, alm->time.tm_mday);
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rtc_write(rtc, OMAP_RTC_ALARM_HOURS_REG, alm->time.tm_hour);
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rtc_write(rtc, OMAP_RTC_ALARM_MINUTES_REG, alm->time.tm_min);
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rtc_write(rtc, OMAP_RTC_ALARM_SECONDS_REG, alm->time.tm_sec);
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reg = rtc_read(OMAP_RTC_INTERRUPTS_REG);
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if (id_entry->driver_data & OMAP_RTC_HAS_IRQWAKEEN)
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irqwake_reg = rtc_read(OMAP_RTC_IRQWAKEEN);
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reg = rtc_read(rtc, OMAP_RTC_INTERRUPTS_REG);
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if (rtc->flags & OMAP_RTC_HAS_IRQWAKEEN)
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irqwake_reg = rtc_read(rtc, OMAP_RTC_IRQWAKEEN);
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if (alm->enabled) {
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reg |= OMAP_RTC_INTERRUPTS_IT_ALARM;
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@ -319,9 +338,9 @@ static int omap_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
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reg &= ~OMAP_RTC_INTERRUPTS_IT_ALARM;
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irqwake_reg &= ~OMAP_RTC_IRQWAKEEN_ALARM_WAKEEN;
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}
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rtc_write(reg, OMAP_RTC_INTERRUPTS_REG);
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if (id_entry->driver_data & OMAP_RTC_HAS_IRQWAKEEN)
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rtc_write(irqwake_reg, OMAP_RTC_IRQWAKEEN);
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rtc_write(rtc, OMAP_RTC_INTERRUPTS_REG, reg);
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if (rtc->flags & OMAP_RTC_HAS_IRQWAKEEN)
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rtc_write(rtc, OMAP_RTC_IRQWAKEEN, irqwake_reg);
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local_irq_enable();
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@ -336,9 +355,6 @@ static struct rtc_class_ops omap_rtc_ops = {
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.alarm_irq_enable = omap_rtc_alarm_irq_enable,
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};
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static int omap_rtc_alarm;
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static int omap_rtc_timer;
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#define OMAP_RTC_DATA_AM3352_IDX 1
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#define OMAP_RTC_DATA_DA830_IDX 2
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@ -372,13 +388,17 @@ MODULE_DEVICE_TABLE(of, omap_rtc_of_match);
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static int __init omap_rtc_probe(struct platform_device *pdev)
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{
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struct omap_rtc *rtc;
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struct resource *res;
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struct rtc_device *rtc;
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u8 reg, new_ctrl;
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const struct platform_device_id *id_entry;
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const struct of_device_id *of_id;
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int ret;
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rtc = devm_kzalloc(&pdev->dev, sizeof(*rtc), GFP_KERNEL);
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if (!rtc)
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return -ENOMEM;
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of_id = of_match_device(omap_rtc_of_match, &pdev->dev);
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if (of_id)
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pdev->id_entry = of_id->data;
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@ -389,26 +409,30 @@ static int __init omap_rtc_probe(struct platform_device *pdev)
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return -ENODEV;
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}
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omap_rtc_timer = platform_get_irq(pdev, 0);
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if (omap_rtc_timer <= 0)
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rtc->flags = id_entry->driver_data;
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rtc->irq_timer = platform_get_irq(pdev, 0);
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if (rtc->irq_timer <= 0)
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return -ENOENT;
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omap_rtc_alarm = platform_get_irq(pdev, 1);
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if (omap_rtc_alarm <= 0)
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rtc->irq_alarm = platform_get_irq(pdev, 1);
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if (rtc->irq_alarm <= 0)
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return -ENOENT;
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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rtc_base = devm_ioremap_resource(&pdev->dev, res);
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if (IS_ERR(rtc_base))
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return PTR_ERR(rtc_base);
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rtc->base = devm_ioremap_resource(&pdev->dev, res);
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if (IS_ERR(rtc->base))
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return PTR_ERR(rtc->base);
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platform_set_drvdata(pdev, rtc);
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/* Enable the clock/module so that we can access the registers */
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pm_runtime_enable(&pdev->dev);
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pm_runtime_get_sync(&pdev->dev);
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if (id_entry->driver_data & OMAP_RTC_HAS_KICKER) {
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rtc_writel(KICK0_VALUE, OMAP_RTC_KICK0_REG);
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rtc_writel(KICK1_VALUE, OMAP_RTC_KICK1_REG);
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if (rtc->flags & OMAP_RTC_HAS_KICKER) {
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rtc_writel(rtc, OMAP_RTC_KICK0_REG, KICK0_VALUE);
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rtc_writel(rtc, OMAP_RTC_KICK1_REG, KICK1_VALUE);
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}
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/*
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@ -416,25 +440,26 @@ static int __init omap_rtc_probe(struct platform_device *pdev)
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*
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* NOTE: ALARM2 is not cleared on AM3352 if rtc_write (writeb) is used
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*/
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rtc_writel(0, OMAP_RTC_INTERRUPTS_REG);
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rtc_writel(rtc, OMAP_RTC_INTERRUPTS_REG, 0);
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/* enable RTC functional clock */
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if (id_entry->driver_data & OMAP_RTC_HAS_32KCLK_EN) {
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reg = rtc_read(OMAP_RTC_OSC_REG);
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rtc_writel(reg | OMAP_RTC_OSC_32KCLK_EN, OMAP_RTC_OSC_REG);
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if (rtc->flags & OMAP_RTC_HAS_32KCLK_EN) {
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reg = rtc_read(rtc, OMAP_RTC_OSC_REG);
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rtc_writel(rtc, OMAP_RTC_OSC_REG,
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reg | OMAP_RTC_OSC_32KCLK_EN);
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}
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/* clear old status */
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reg = rtc_read(OMAP_RTC_STATUS_REG);
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reg = rtc_read(rtc, OMAP_RTC_STATUS_REG);
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if (reg & (u8) OMAP_RTC_STATUS_POWER_UP) {
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dev_info(&pdev->dev, "RTC power up reset detected\n");
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rtc_write(OMAP_RTC_STATUS_POWER_UP, OMAP_RTC_STATUS_REG);
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rtc_write(rtc, OMAP_RTC_STATUS_REG, OMAP_RTC_STATUS_POWER_UP);
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}
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if (reg & (u8) OMAP_RTC_STATUS_ALARM)
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rtc_write(OMAP_RTC_STATUS_ALARM, OMAP_RTC_STATUS_REG);
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rtc_write(rtc, OMAP_RTC_STATUS_REG, OMAP_RTC_STATUS_ALARM);
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/* On boards with split power, RTC_ON_NOFF won't reset the RTC */
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reg = rtc_read(OMAP_RTC_CTRL_REG);
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reg = rtc_read(rtc, OMAP_RTC_CTRL_REG);
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if (reg & (u8) OMAP_RTC_CTRL_STOP)
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dev_info(&pdev->dev, "already running\n");
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@ -460,27 +485,26 @@ static int __init omap_rtc_probe(struct platform_device *pdev)
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dev_info(&pdev->dev, "split power mode\n");
|
||||
|
||||
if (reg != new_ctrl)
|
||||
rtc_write(new_ctrl, OMAP_RTC_CTRL_REG);
|
||||
rtc_write(rtc, OMAP_RTC_CTRL_REG, new_ctrl);
|
||||
|
||||
device_init_wakeup(&pdev->dev, true);
|
||||
|
||||
rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
|
||||
rtc->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
|
||||
&omap_rtc_ops, THIS_MODULE);
|
||||
if (IS_ERR(rtc)) {
|
||||
ret = PTR_ERR(rtc);
|
||||
if (IS_ERR(rtc->rtc)) {
|
||||
ret = PTR_ERR(rtc->rtc);
|
||||
goto err;
|
||||
}
|
||||
platform_set_drvdata(pdev, rtc);
|
||||
|
||||
/* handle periodic and alarm irqs */
|
||||
ret = devm_request_irq(&pdev->dev, omap_rtc_timer, rtc_irq, 0,
|
||||
dev_name(&rtc->dev), rtc);
|
||||
ret = devm_request_irq(&pdev->dev, rtc->irq_timer, rtc_irq, 0,
|
||||
dev_name(&rtc->rtc->dev), rtc);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
if (omap_rtc_timer != omap_rtc_alarm) {
|
||||
ret = devm_request_irq(&pdev->dev, omap_rtc_alarm, rtc_irq, 0,
|
||||
dev_name(&rtc->dev), rtc);
|
||||
if (rtc->irq_timer != rtc->irq_alarm) {
|
||||
ret = devm_request_irq(&pdev->dev, rtc->irq_alarm, rtc_irq, 0,
|
||||
dev_name(&rtc->rtc->dev), rtc);
|
||||
if (ret)
|
||||
goto err;
|
||||
}
|
||||
|
@ -489,8 +513,8 @@ static int __init omap_rtc_probe(struct platform_device *pdev)
|
|||
|
||||
err:
|
||||
device_init_wakeup(&pdev->dev, false);
|
||||
if (id_entry->driver_data & OMAP_RTC_HAS_KICKER)
|
||||
rtc_writel(0, OMAP_RTC_KICK0_REG);
|
||||
if (rtc->flags & OMAP_RTC_HAS_KICKER)
|
||||
rtc_writel(rtc, OMAP_RTC_KICK0_REG, 0);
|
||||
pm_runtime_put_sync(&pdev->dev);
|
||||
pm_runtime_disable(&pdev->dev);
|
||||
|
||||
|
@ -499,16 +523,15 @@ static int __init omap_rtc_probe(struct platform_device *pdev)
|
|||
|
||||
static int __exit omap_rtc_remove(struct platform_device *pdev)
|
||||
{
|
||||
const struct platform_device_id *id_entry =
|
||||
platform_get_device_id(pdev);
|
||||
struct omap_rtc *rtc = platform_get_drvdata(pdev);
|
||||
|
||||
device_init_wakeup(&pdev->dev, 0);
|
||||
|
||||
/* leave rtc running, but disable irqs */
|
||||
rtc_write(0, OMAP_RTC_INTERRUPTS_REG);
|
||||
rtc_write(rtc, OMAP_RTC_INTERRUPTS_REG, 0);
|
||||
|
||||
if (id_entry->driver_data & OMAP_RTC_HAS_KICKER)
|
||||
rtc_writel(0, OMAP_RTC_KICK0_REG);
|
||||
if (rtc->flags & OMAP_RTC_HAS_KICKER)
|
||||
rtc_writel(rtc, OMAP_RTC_KICK0_REG, 0);
|
||||
|
||||
/* Disable the clock/module */
|
||||
pm_runtime_put_sync(&pdev->dev);
|
||||
|
@ -518,20 +541,20 @@ static int __exit omap_rtc_remove(struct platform_device *pdev)
|
|||
}
|
||||
|
||||
#ifdef CONFIG_PM_SLEEP
|
||||
static u8 irqstat;
|
||||
|
||||
static int omap_rtc_suspend(struct device *dev)
|
||||
{
|
||||
irqstat = rtc_read(OMAP_RTC_INTERRUPTS_REG);
|
||||
struct omap_rtc *rtc = dev_get_drvdata(dev);
|
||||
|
||||
rtc->interrupts_reg = rtc_read(rtc, OMAP_RTC_INTERRUPTS_REG);
|
||||
|
||||
/* FIXME the RTC alarm is not currently acting as a wakeup event
|
||||
* source on some platforms, and in fact this enable() call is just
|
||||
* saving a flag that's never used...
|
||||
*/
|
||||
if (device_may_wakeup(dev))
|
||||
enable_irq_wake(omap_rtc_alarm);
|
||||
enable_irq_wake(rtc->irq_alarm);
|
||||
else
|
||||
rtc_write(0, OMAP_RTC_INTERRUPTS_REG);
|
||||
rtc_write(rtc, OMAP_RTC_INTERRUPTS_REG, 0);
|
||||
|
||||
/* Disable the clock/module */
|
||||
pm_runtime_put_sync(dev);
|
||||
|
@ -541,13 +564,15 @@ static int omap_rtc_suspend(struct device *dev)
|
|||
|
||||
static int omap_rtc_resume(struct device *dev)
|
||||
{
|
||||
struct omap_rtc *rtc = dev_get_drvdata(dev);
|
||||
|
||||
/* Enable the clock/module so that we can access the registers */
|
||||
pm_runtime_get_sync(dev);
|
||||
|
||||
if (device_may_wakeup(dev))
|
||||
disable_irq_wake(omap_rtc_alarm);
|
||||
disable_irq_wake(rtc->irq_alarm);
|
||||
else
|
||||
rtc_write(irqstat, OMAP_RTC_INTERRUPTS_REG);
|
||||
rtc_write(rtc, OMAP_RTC_INTERRUPTS_REG, rtc->interrupts_reg);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
@ -557,7 +582,9 @@ static SIMPLE_DEV_PM_OPS(omap_rtc_pm_ops, omap_rtc_suspend, omap_rtc_resume);
|
|||
|
||||
static void omap_rtc_shutdown(struct platform_device *pdev)
|
||||
{
|
||||
rtc_write(0, OMAP_RTC_INTERRUPTS_REG);
|
||||
struct omap_rtc *rtc = platform_get_drvdata(pdev);
|
||||
|
||||
rtc_write(rtc, OMAP_RTC_INTERRUPTS_REG, 0);
|
||||
}
|
||||
|
||||
MODULE_ALIAS("platform:omap_rtc");
|
||||
|
|
Loading…
Reference in a new issue