diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/rtc/rtc-pl031.c | 11 |
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[] = { |