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| author |   Krzysztof Kozlowski <k.kozlowski@samsung.com> | 2014-10-10 12:48:35 +0200 |
|---|---|---|
| committer |   Lee Jones <lee.jones@linaro.org> | 2014-11-10 15:22:02 +0000 |
| commit | c0acb8144bd6d8d88aee1dab33364b7353e9a903 (patch) | |
| tree | e550be461691a6ded09c5eff61cf580120ffd92d /include/linux/mfd | |
| parent | mfd: max77693: Use proper regmap for handling MUIC interrupts (diff) | |
| download | linux-dev-c0acb8144bd6d8d88aee1dab33364b7353e9a903.tar.xz linux-dev-c0acb8144bd6d8d88aee1dab33364b7353e9a903.zip | |
mfd: max77693: Fix always masked MUIC interrupts
All interrupts coming from MUIC were ignored because interrupt source
register was masked.
The Maxim 77693 has a "interrupt source" - a separate register and interrupts
which give information about PMIC block triggering the individual
interrupt (charger, topsys, MUIC, flash LED).
By default bootloader could initialize this register to "mask all"
value. In such case (observed on Trats2 board) MUIC interrupts won't be
generated regardless of their mask status. Regmap irq chip was unmasking
individual MUIC interrupts but the source was masked
Before introducing regmap irq chip this interrupt source was unmasked,
read and acked. Reading and acking is not necessary but unmasking is.
Fixes: 342d669c1ee4 ("mfd: max77693: Handle IRQs using regmap")
Cc: <stable@vger.kernel.org>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'include/linux/mfd')
| -rw-r--r-- | include/linux/mfd/max77693-private.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/mfd/max77693-private.h b/include/linux/mfd/max77693-private.h index fc17d56581b2..582e67f34054 100644 --- a/include/linux/mfd/max77693-private.h +++ b/include/linux/mfd/max77693-private.h @@ -330,6 +330,13 @@ enum max77693_irq_source { MAX77693_IRQ_GROUP_NR, }; +#define SRC_IRQ_CHARGER BIT(0) +#define SRC_IRQ_TOP BIT(1) +#define SRC_IRQ_FLASH BIT(2) +#define SRC_IRQ_MUIC BIT(3) +#define SRC_IRQ_ALL (SRC_IRQ_CHARGER | SRC_IRQ_TOP \ + | SRC_IRQ_FLASH | SRC_IRQ_MUIC) + #define LED_IRQ_FLED2_OPEN BIT(0) #define LED_IRQ_FLED2_SHORT BIT(1) #define LED_IRQ_FLED1_OPEN BIT(2) |