aboutsummaryrefslogtreecommitdiff
path: root/drivers/rtc
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-at91rm9200.c2
-rw-r--r--drivers/rtc/rtc-cmos.c52
-rw-r--r--drivers/rtc/rtc-max77686.c4
-rw-r--r--drivers/rtc/rtc-max8907.c11
-rw-r--r--drivers/rtc/rtc-rv3029c2.c2
5 files changed, 61 insertions, 10 deletions
diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index f296f3f7db9..1237c2173c6 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -221,6 +221,8 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
at91_alarm_year = tm.tm_year;
+ tm.tm_mon = alrm->time.tm_mon;
+ tm.tm_mday = alrm->time.tm_mday;
tm.tm_hour = alrm->time.tm_hour;
tm.tm_min = alrm->time.tm_min;
tm.tm_sec = alrm->time.tm_sec;
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index f1cb706445c..6ae046bdb26 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -34,11 +34,11 @@
#include <linux/interrupt.h>
#include <linux/spinlock.h>
#include <linux/platform_device.h>
-#include <linux/mod_devicetable.h>
#include <linux/log2.h>
#include <linux/pm.h>
#include <linux/of.h>
#include <linux/of_platform.h>
+#include <linux/dmi.h>
/* this is for "generic access to PC-style RTC" using CMOS_READ/CMOS_WRITE */
#include <asm-generic/rtc.h>
@@ -377,6 +377,51 @@ static int cmos_set_alarm(struct device *dev, struct rtc_wkalrm *t)
return 0;
}
+/*
+ * Do not disable RTC alarm on shutdown - workaround for b0rked BIOSes.
+ */
+static bool alarm_disable_quirk;
+
+static int __init set_alarm_disable_quirk(const struct dmi_system_id *id)
+{
+ alarm_disable_quirk = true;
+ pr_info("rtc-cmos: BIOS has alarm-disable quirk. ");
+ pr_info("RTC alarms disabled\n");
+ return 0;
+}
+
+static const struct dmi_system_id rtc_quirks[] __initconst = {
+ /* https://bugzilla.novell.com/show_bug.cgi?id=805740 */
+ {
+ .callback = set_alarm_disable_quirk,
+ .ident = "IBM Truman",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "4852570"),
+ },
+ },
+ /* https://bugzilla.novell.com/show_bug.cgi?id=812592 */
+ {
+ .callback = set_alarm_disable_quirk,
+ .ident = "Gigabyte GA-990XA-UD3",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR,
+ "Gigabyte Technology Co., Ltd."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "GA-990XA-UD3"),
+ },
+ },
+ /* http://permalink.gmane.org/gmane.linux.kernel/1604474 */
+ {
+ .callback = set_alarm_disable_quirk,
+ .ident = "Toshiba Satellite L300",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Satellite L300"),
+ },
+ },
+ {}
+};
+
static int cmos_alarm_irq_enable(struct device *dev, unsigned int enabled)
{
struct cmos_rtc *cmos = dev_get_drvdata(dev);
@@ -385,6 +430,9 @@ static int cmos_alarm_irq_enable(struct device *dev, unsigned int enabled)
if (!is_valid_irq(cmos->irq))
return -EINVAL;
+ if (alarm_disable_quirk)
+ return 0;
+
spin_lock_irqsave(&rtc_lock, flags);
if (enabled)
@@ -1163,6 +1211,8 @@ static int __init cmos_init(void)
platform_driver_registered = true;
}
+ dmi_check_system(rtc_quirks);
+
if (retval == 0)
return 0;
diff --git a/drivers/rtc/rtc-max77686.c b/drivers/rtc/rtc-max77686.c
index 771812d62e6..3bb9401f1ca 100644
--- a/drivers/rtc/rtc-max77686.c
+++ b/drivers/rtc/rtc-max77686.c
@@ -240,9 +240,9 @@ static int max77686_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
}
alrm->pending = 0;
- ret = regmap_read(info->max77686->regmap, MAX77686_REG_STATUS1, &val);
+ ret = regmap_read(info->max77686->regmap, MAX77686_REG_STATUS2, &val);
if (ret < 0) {
- dev_err(info->dev, "%s:%d fail to read status1 reg(%d)\n",
+ dev_err(info->dev, "%s:%d fail to read status2 reg(%d)\n",
__func__, __LINE__, ret);
goto out;
}
diff --git a/drivers/rtc/rtc-max8907.c b/drivers/rtc/rtc-max8907.c
index 86afb797125..5d0ce597ba8 100644
--- a/drivers/rtc/rtc-max8907.c
+++ b/drivers/rtc/rtc-max8907.c
@@ -51,7 +51,7 @@ static irqreturn_t max8907_irq_handler(int irq, void *data)
{
struct max8907_rtc *rtc = data;
- regmap_update_bits(rtc->regmap, MAX8907_REG_ALARM0_CNTL, 0x7f, 0);
+ regmap_write(rtc->regmap, MAX8907_REG_ALARM0_CNTL, 0);
rtc_update_irq(rtc->rtc_dev, 1, RTC_IRQF | RTC_AF);
@@ -64,7 +64,7 @@ static void regs_to_tm(u8 *regs, struct rtc_time *tm)
bcd2bin(regs[RTC_YEAR1]) - 1900;
tm->tm_mon = bcd2bin(regs[RTC_MONTH] & 0x1f) - 1;
tm->tm_mday = bcd2bin(regs[RTC_DATE] & 0x3f);
- tm->tm_wday = (regs[RTC_WEEKDAY] & 0x07) - 1;
+ tm->tm_wday = (regs[RTC_WEEKDAY] & 0x07);
if (regs[RTC_HOUR] & HOUR_12) {
tm->tm_hour = bcd2bin(regs[RTC_HOUR] & 0x01f);
if (tm->tm_hour == 12)
@@ -88,7 +88,7 @@ static void tm_to_regs(struct rtc_time *tm, u8 *regs)
regs[RTC_YEAR1] = bin2bcd(low);
regs[RTC_MONTH] = bin2bcd(tm->tm_mon + 1);
regs[RTC_DATE] = bin2bcd(tm->tm_mday);
- regs[RTC_WEEKDAY] = tm->tm_wday + 1;
+ regs[RTC_WEEKDAY] = tm->tm_wday;
regs[RTC_HOUR] = bin2bcd(tm->tm_hour);
regs[RTC_MIN] = bin2bcd(tm->tm_min);
regs[RTC_SEC] = bin2bcd(tm->tm_sec);
@@ -153,7 +153,7 @@ static int max8907_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
tm_to_regs(&alrm->time, regs);
/* Disable alarm while we update the target time */
- ret = regmap_update_bits(rtc->regmap, MAX8907_REG_ALARM0_CNTL, 0x7f, 0);
+ ret = regmap_write(rtc->regmap, MAX8907_REG_ALARM0_CNTL, 0);
if (ret < 0)
return ret;
@@ -163,8 +163,7 @@ static int max8907_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
return ret;
if (alrm->enabled)
- ret = regmap_update_bits(rtc->regmap, MAX8907_REG_ALARM0_CNTL,
- 0x7f, 0x7f);
+ ret = regmap_write(rtc->regmap, MAX8907_REG_ALARM0_CNTL, 0x77);
return ret;
}
diff --git a/drivers/rtc/rtc-rv3029c2.c b/drivers/rtc/rtc-rv3029c2.c
index 5032c24ec15..9100a3401de 100644
--- a/drivers/rtc/rtc-rv3029c2.c
+++ b/drivers/rtc/rtc-rv3029c2.c
@@ -310,7 +310,7 @@ static int rv3029c2_rtc_i2c_set_alarm(struct i2c_client *client,
dev_dbg(&client->dev, "alarm IRQ armed\n");
} else {
/* disable AIE irq */
- ret = rv3029c2_rtc_i2c_alarm_set_irq(client, 1);
+ ret = rv3029c2_rtc_i2c_alarm_set_irq(client, 0);
if (ret)
return ret;