Re: [PATCH 2/3] mfd: cpcap: Use ack_invert interrupts

[Lee Jones <lee.jones@linaro.org>]

On Mon, 03 Apr 2017, Tony Lindgren wrote:

> We should use ack_invert as the int_read_and_clear() in the Motorola
> kernel tree does "ireg_val & ~mreg_val" before writing to the mask
> register.
> 
> Fixes: 56e1d40d3bea ("mfd: cpcap: Add minimal support")
> Cc: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
> Cc: Marcel Partap <mpartap@gmx.net>
> Cc: Michael Scott <michael.scott@linaro.org>
> Tested-by: Sebastian Reichel <sre@kernel.org>
> Signed-off-by: Tony Lindgren <tony@atomide.com>
> ---
>  drivers/mfd/motorola-cpcap.c | 3 +++
>  1 file changed, 3 insertions(+)

Applied, thanks.

> diff --git a/drivers/mfd/motorola-cpcap.c b/drivers/mfd/motorola-cpcap.c
> --- a/drivers/mfd/motorola-cpcap.c
> +++ b/drivers/mfd/motorola-cpcap.c
> @@ -71,6 +71,7 @@ static struct regmap_irq_chip cpcap_irq_chip[CPCAP_NR_IRQ_CHIPS] = {
>  		.ack_base = CPCAP_REG_MI1,
>  		.mask_base = CPCAP_REG_MIM1,
>  		.use_ack = true,
> +		.ack_invert = true,
>  	},
>  	{
>  		.name = "cpcap-m2",
> @@ -79,6 +80,7 @@ static struct regmap_irq_chip cpcap_irq_chip[CPCAP_NR_IRQ_CHIPS] = {
>  		.ack_base = CPCAP_REG_MI2,
>  		.mask_base = CPCAP_REG_MIM2,
>  		.use_ack = true,
> +		.ack_invert = true,
>  	},
>  	{
>  		.name = "cpcap1-4",
> @@ -88,6 +90,7 @@ static struct regmap_irq_chip cpcap_irq_chip[CPCAP_NR_IRQ_CHIPS] = {
>  		.mask_base = CPCAP_REG_INTM1,
>  		.type_base = CPCAP_REG_INTS1,
>  		.use_ack = true,
> +		.ack_invert = true,
>  	},
>  };
>  

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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