summaryrefslogtreecommitdiffstats
path: root/drivers/rtc
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-pl031.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index e66afb816d61..08378e3cc21c 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -75,11 +75,13 @@
* clockwatch function
* @st_weekday: if this is an ST Microelectronics silicon version that need
* the weekday fix
+ * @irqflags: special IRQ flags per variant
*/
struct pl031_vendor_data {
struct rtc_class_ops ops;
bool clockwatch;
bool st_weekday;
+ unsigned long irqflags;
};
struct pl031_local {
@@ -373,7 +375,7 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id)
}
if (request_irq(adev->irq[0], pl031_interrupt,
- 0, "rtc-pl031", ldata)) {
+ vendor->irqflags, "rtc-pl031", ldata)) {
ret = -EIO;
goto out_no_irq;
}
@@ -403,6 +405,7 @@ static struct pl031_vendor_data arm_pl031 = {
.set_alarm = pl031_set_alarm,
.alarm_irq_enable = pl031_alarm_irq_enable,
},
+ .irqflags = IRQF_NO_SUSPEND,
};
/* The First ST derivative */
@@ -416,6 +419,7 @@ static struct pl031_vendor_data stv1_pl031 = {
},
.clockwatch = true,
.st_weekday = true,
+ .irqflags = IRQF_NO_SUSPEND,
};
/* And the second ST derivative */
@@ -429,6 +433,11 @@ static struct pl031_vendor_data stv2_pl031 = {
},
.clockwatch = true,
.st_weekday = true,
+ /*
+ * This variant shares the IRQ with another block and must not
+ * suspend that IRQ line.
+ */
+ .irqflags = IRQF_SHARED | IRQF_NO_SUSPEND,
};
static struct amba_id pl031_ids[] = {