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authorMax Krummenacher <max.krummenacher@toradex.com>2018-03-13 11:32:58 +0100
committerMax Krummenacher <max.krummenacher@toradex.com>2018-03-13 11:32:58 +0100
commit6fb9f3c8a4992f67dcb3ce413df2e22e96b2d400 (patch)
tree6e3071b2f179a62b027669ac2a238383293bf941 /drivers/rtc
parenta126a5e5dc2fcc5cb36af14c89b440cc8e3bab30 (diff)
parent8b5ab55d254f36e89b1b53aeac7223d2d102483e (diff)
Merge tag 'v4.4.121' into toradex_vf_4.4-nextColibri-VF_LXDE-Image_2.8b2.97-20180331
This is the 4.4.121 stable release
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/interface.c2
-rw-r--r--drivers/rtc/rtc-opal.c12
-rw-r--r--drivers/rtc/rtc-pl031.c14
3 files changed, 19 insertions, 9 deletions
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 9bb934ed2a7a..dcfd3655ef0a 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -764,7 +764,7 @@ static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer)
}
timerqueue_add(&rtc->timerqueue, &timer->node);
- if (!next) {
+ if (!next || ktime_before(timer->node.expires, next->expires)) {
struct rtc_wkalrm alarm;
int err;
alarm.time = rtc_ktime_to_tm(timer->node.expires);
diff --git a/drivers/rtc/rtc-opal.c b/drivers/rtc/rtc-opal.c
index df39ce02a99d..229dd2fe8f45 100644
--- a/drivers/rtc/rtc-opal.c
+++ b/drivers/rtc/rtc-opal.c
@@ -58,6 +58,7 @@ static void tm_to_opal(struct rtc_time *tm, u32 *y_m_d, u64 *h_m_s_ms)
static int opal_get_rtc_time(struct device *dev, struct rtc_time *tm)
{
long rc = OPAL_BUSY;
+ int retries = 10;
u32 y_m_d;
u64 h_m_s_ms;
__be32 __y_m_d;
@@ -67,8 +68,11 @@ static int opal_get_rtc_time(struct device *dev, struct rtc_time *tm)
rc = opal_rtc_read(&__y_m_d, &__h_m_s_ms);
if (rc == OPAL_BUSY_EVENT)
opal_poll_events(NULL);
- else
+ else if (retries-- && (rc == OPAL_HARDWARE
+ || rc == OPAL_INTERNAL_ERROR))
msleep(10);
+ else if (rc != OPAL_BUSY && rc != OPAL_BUSY_EVENT)
+ break;
}
if (rc != OPAL_SUCCESS)
@@ -84,6 +88,7 @@ static int opal_get_rtc_time(struct device *dev, struct rtc_time *tm)
static int opal_set_rtc_time(struct device *dev, struct rtc_time *tm)
{
long rc = OPAL_BUSY;
+ int retries = 10;
u32 y_m_d = 0;
u64 h_m_s_ms = 0;
@@ -92,8 +97,11 @@ static int opal_set_rtc_time(struct device *dev, struct rtc_time *tm)
rc = opal_rtc_write(y_m_d, h_m_s_ms);
if (rc == OPAL_BUSY_EVENT)
opal_poll_events(NULL);
- else
+ else if (retries-- && (rc == OPAL_HARDWARE
+ || rc == OPAL_INTERNAL_ERROR))
msleep(10);
+ else if (rc != OPAL_BUSY && rc != OPAL_BUSY_EVENT)
+ break;
}
return rc == OPAL_SUCCESS ? 0 : -EIO;
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index e1687e19c59f..a30f24cb6c83 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -308,7 +308,8 @@ static int pl031_remove(struct amba_device *adev)
dev_pm_clear_wake_irq(&adev->dev);
device_init_wakeup(&adev->dev, false);
- free_irq(adev->irq[0], ldata);
+ if (adev->irq[0])
+ free_irq(adev->irq[0], ldata);
rtc_device_unregister(ldata->rtc);
iounmap(ldata->base);
kfree(ldata);
@@ -381,12 +382,13 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id)
goto out_no_rtc;
}
- if (request_irq(adev->irq[0], pl031_interrupt,
- vendor->irqflags, "rtc-pl031", ldata)) {
- ret = -EIO;
- goto out_no_irq;
+ if (adev->irq[0]) {
+ ret = request_irq(adev->irq[0], pl031_interrupt,
+ vendor->irqflags, "rtc-pl031", ldata);
+ if (ret)
+ goto out_no_irq;
+ dev_pm_set_wake_irq(&adev->dev, adev->irq[0]);
}
- dev_pm_set_wake_irq(&adev->dev, adev->irq[0]);
return 0;
out_no_irq: