The RTC on S2MPS11 is the same as S2MPS14. However interrupt numbers of
RTC alarms 0 and 1 were inversed between these two devices. So when
rtc-s5m driver requested S2MPS14_IRQ_RTCA0 interrupt, it matched to
S2MPS11_IRQ_RTCA1, not RTCA0.
Fix this by using consistent RTC alarm interrupt numbers and adding a
BUILD_BUG_ON for future generations.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
---
drivers/mfd/sec-irq.c | 14 ++++++++++----
include/linux/mfd/samsung/irq.h | 2 +-
2 files changed, 11 insertions(+), 5 deletions(-)
diff --git a/drivers/mfd/sec-irq.c b/drivers/mfd/sec-irq.c
index ba86a918c2da..806fa8dbb22d 100644
--- a/drivers/mfd/sec-irq.c
+++ b/drivers/mfd/sec-irq.c
@@ -61,14 +61,14 @@ static const struct regmap_irq s2mps11_irqs[] = {
.reg_offset = 1,
.mask = S2MPS11_IRQ_RTC60S_MASK,
},
- [S2MPS11_IRQ_RTCA0] = {
- .reg_offset = 1,
- .mask = S2MPS11_IRQ_RTCA0_MASK,
- },
[S2MPS11_IRQ_RTCA1] = {
.reg_offset = 1,
.mask = S2MPS11_IRQ_RTCA1_MASK,
},
+ [S2MPS11_IRQ_RTCA0] = {
+ .reg_offset = 1,
+ .mask = S2MPS11_IRQ_RTCA0_MASK,
+ },
[S2MPS11_IRQ_SMPL] = {
.reg_offset = 1,
.mask = S2MPS11_IRQ_SMPL_MASK,
@@ -484,6 +484,12 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
return ret;
}
+ /*
+ * The rtc-s5m driver requests S2MPS14_IRQ_RTCA0 also for S2MPS11
+ * so the interrupt number must be consistent.
+ */
+ BUILD_BUG_ON(((enum s2mps14_irq)S2MPS11_IRQ_RTCA0) != S2MPS14_IRQ_RTCA0);
+
return 0;
}
diff --git a/include/linux/mfd/samsung/irq.h b/include/linux/mfd/samsung/irq.h
index f35af7361b60..667aa40486dd 100644
--- a/include/linux/mfd/samsung/irq.h
+++ b/include/linux/mfd/samsung/irq.h
@@ -74,8 +74,8 @@ enum s2mps11_irq {
S2MPS11_IRQ_MRB,
S2MPS11_IRQ_RTC60S,
- S2MPS11_IRQ_RTCA0,
S2MPS11_IRQ_RTCA1,
+ S2MPS11_IRQ_RTCA0,
S2MPS11_IRQ_SMPL,
S2MPS11_IRQ_RTC1S,
S2MPS11_IRQ_WTSR,
--
1.9.1
--
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