diff options
| -rw-r--r-- | drivers/rtc/rtc-cmos.c | 47 |
1 files changed, 22 insertions, 25 deletions
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index 58cc2bae2f8a..a84262265d6d 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -744,6 +744,8 @@ static irqreturn_t cmos_interrupt(int irq, void *p) return IRQ_NONE; } +static void cmos_wake_setup(struct device *dev); + #ifdef CONFIG_PNP #define INITSECTION @@ -827,19 +829,27 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq) if (info->address_space) address_space = info->address_space; - if (info->rtc_day_alarm && info->rtc_day_alarm < 128) - cmos_rtc.day_alrm = info->rtc_day_alarm; - if (info->rtc_mon_alarm && info->rtc_mon_alarm < 128) - cmos_rtc.mon_alrm = info->rtc_mon_alarm; - if (info->rtc_century && info->rtc_century < 128) - cmos_rtc.century = info->rtc_century; + cmos_rtc.day_alrm = info->rtc_day_alarm; + cmos_rtc.mon_alrm = info->rtc_mon_alarm; + cmos_rtc.century = info->rtc_century; if (info->wake_on && info->wake_off) { cmos_rtc.wake_on = info->wake_on; cmos_rtc.wake_off = info->wake_off; } + } else { + cmos_wake_setup(dev); } + if (cmos_rtc.day_alrm >= 128) + cmos_rtc.day_alrm = 0; + + if (cmos_rtc.mon_alrm >= 128) + cmos_rtc.mon_alrm = 0; + + if (cmos_rtc.century >= 128) + cmos_rtc.century = 0; + cmos_rtc.dev = dev; dev_set_drvdata(dev, &cmos_rtc); @@ -1275,13 +1285,6 @@ static void use_acpi_alarm_quirks(void) static inline void use_acpi_alarm_quirks(void) { } #endif -/* Every ACPI platform has a mc146818 compatible "cmos rtc". Here we find - * its device node and pass extra config data. This helps its driver use - * capabilities that the now-obsolete mc146818 didn't have, and informs it - * that this board's RTC is wakeup-capable (per ACPI spec). - */ -static struct cmos_rtc_board_info acpi_rtc_info; - static void cmos_wake_setup(struct device *dev) { if (acpi_disabled) @@ -1289,26 +1292,23 @@ static void cmos_wake_setup(struct device *dev) use_acpi_alarm_quirks(); - acpi_rtc_info.wake_on = rtc_wake_on; - acpi_rtc_info.wake_off = rtc_wake_off; + cmos_rtc.wake_on = rtc_wake_on; + cmos_rtc.wake_off = rtc_wake_off; - /* workaround bug in some ACPI tables */ + /* ACPI tables bug workaround. */ if (acpi_gbl_FADT.month_alarm && !acpi_gbl_FADT.day_alarm) { dev_dbg(dev, "bogus FADT month_alarm (%d)\n", acpi_gbl_FADT.month_alarm); acpi_gbl_FADT.month_alarm = 0; } - acpi_rtc_info.rtc_day_alarm = acpi_gbl_FADT.day_alarm; - acpi_rtc_info.rtc_mon_alarm = acpi_gbl_FADT.month_alarm; - acpi_rtc_info.rtc_century = acpi_gbl_FADT.century; + cmos_rtc.day_alrm = acpi_gbl_FADT.day_alarm; + cmos_rtc.mon_alrm = acpi_gbl_FADT.month_alarm; + cmos_rtc.century = acpi_gbl_FADT.century; - /* NOTE: S4_RTC_WAKE is NOT currently useful to Linux */ if (acpi_gbl_FADT.flags & ACPI_FADT_S4_RTC_WAKE) dev_info(dev, "RTC can wake from S4\n"); - dev->platform_data = &acpi_rtc_info; - /* RTC always wakes from S1/S2/S3, and often S4/STD */ device_init_wakeup(dev, 1); } @@ -1359,8 +1359,6 @@ static int cmos_pnp_probe(struct pnp_dev *pnp, const struct pnp_device_id *id) { int irq, ret; - cmos_wake_setup(&pnp->dev); - if (pnp_port_start(pnp, 0) == 0x70 && !pnp_irq_valid(pnp, 0)) { irq = 0; #ifdef CONFIG_X86 @@ -1468,7 +1466,6 @@ static int __init cmos_platform_probe(struct platform_device *pdev) int irq, ret; cmos_of_init(pdev); - cmos_wake_setup(&pdev->dev); if (RTC_IOMAPPED) resource = platform_get_resource(pdev, IORESOURCE_IO, 0); |