Re: [PATCH] mfd: max77686: handle IRQs using regmap

From: Krzysztof Kozlowski
Date: Wed Mar 26 2014 - 03:35:41 EST


On Wed, 2014-03-26 at 08:10 +0100, Robert Baldyga wrote:
> This patch modifies mfd driver to use regmap for handling interrupts.
> It allows to simplify irq handling process. This modifications needed
> to make small changes in function drivers, which use interrupts.
>
> Signed-off-by: Robert Baldyga <r.baldyga@xxxxxxxxxxx>
> ---
> drivers/mfd/Kconfig | 2 +-
> drivers/mfd/Makefile | 2 +-
> drivers/mfd/max77686-irq.c | 319 ----------------------------------
> drivers/mfd/max77686.c | 54 +++++-
> drivers/rtc/rtc-max77686.c | 43 ++++-
> include/linux/mfd/max77686-private.h | 32 +++-
> 6 files changed, 119 insertions(+), 333 deletions(-)
> delete mode 100644 drivers/mfd/max77686-irq.c

(...)

> diff --git a/drivers/rtc/rtc-max77686.c b/drivers/rtc/rtc-max77686.c
> index 9efe118..b8bc412 100644
> --- a/drivers/rtc/rtc-max77686.c
> +++ b/drivers/rtc/rtc-max77686.c
> @@ -497,6 +497,25 @@ static struct regmap_config max77686_rtc_regmap_config = {
> .val_bits = 8,
> };
>
> +static const struct regmap_irq max77686_irqs_rtc[] = {
> + { .mask = RTC_INT_RTC60S_MASK, },
> + { .mask = RTC_INT_RTCA1_MASK, },
> + { .mask = RTC_INT_RTCA2_MASK, },
> + { .mask = RTC_INT_SMPL_MASK, },
> + { .mask = RTC_INT_RTC1S_MASK, },
> + { .mask = RTC_INT_WTSR_MASK, },
> +};
> +
> +static const struct regmap_irq_chip max77686_irq_chip_rtc = {
> + .name = "max77686-rtc",
> + .status_base = MAX77686_RTC_INT,
> + .mask_base = MAX77686_RTC_INTM,
> + .mask_invert = true,
> + .num_regs = 2,

I think there is only one RTC interrupt register (RTCINT).

Beside that, everything else looks fine.
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>

Best regards,
Krzysztof

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