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path: root/drivers/rtc/rtc-twl.c
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Diffstat (limited to 'drivers/rtc/rtc-twl.c')
-rw-r--r--drivers/rtc/rtc-twl.c40
1 files changed, 21 insertions, 19 deletions
diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c
index b2eab34f38d9..02faf3c4e0d5 100644
--- a/drivers/rtc/rtc-twl.c
+++ b/drivers/rtc/rtc-twl.c
@@ -213,12 +213,24 @@ static int mask_rtc_irq_bit(unsigned char bit)
static int twl_rtc_alarm_irq_enable(struct device *dev, unsigned enabled)
{
+ struct platform_device *pdev = to_platform_device(dev);
+ int irq = platform_get_irq(pdev, 0);
+ static bool twl_rtc_wake_enabled;
int ret;
- if (enabled)
+ if (enabled) {
ret = set_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);
- else
+ if (device_can_wakeup(dev) && !twl_rtc_wake_enabled) {
+ enable_irq_wake(irq);
+ twl_rtc_wake_enabled = true;
+ }
+ } else {
ret = mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);
+ if (twl_rtc_wake_enabled) {
+ disable_irq_wake(irq);
+ twl_rtc_wake_enabled = false;
+ }
+ }
return ret;
}
@@ -469,6 +481,12 @@ static int twl_rtc_probe(struct platform_device *pdev)
if (irq <= 0)
goto out1;
+ /* Initialize the register map */
+ if (twl_class_is_4030())
+ rtc_reg_map = (u8 *)twl4030_rtc_reg_map;
+ else
+ rtc_reg_map = (u8 *)twl6030_rtc_reg_map;
+
ret = twl_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG);
if (ret < 0)
goto out1;
@@ -556,7 +574,6 @@ static int twl_rtc_remove(struct platform_device *pdev)
free_irq(irq, rtc);
rtc_device_unregister(rtc);
- platform_set_drvdata(pdev, NULL);
return 0;
}
@@ -609,22 +626,7 @@ static struct platform_driver twl4030rtc_driver = {
},
};
-static int __init twl_rtc_init(void)
-{
- if (twl_class_is_4030())
- rtc_reg_map = (u8 *) twl4030_rtc_reg_map;
- else
- rtc_reg_map = (u8 *) twl6030_rtc_reg_map;
-
- return platform_driver_register(&twl4030rtc_driver);
-}
-module_init(twl_rtc_init);
-
-static void __exit twl_rtc_exit(void)
-{
- platform_driver_unregister(&twl4030rtc_driver);
-}
-module_exit(twl_rtc_exit);
+module_platform_driver(twl4030rtc_driver);
MODULE_AUTHOR("Texas Instruments, MontaVista Software");
MODULE_LICENSE("GPL");