Re: [PATCH 2/4] mfd: cpcap: Use handle_reread flag for interrupts

[Lee Jones]

On Wed, 22 Mar 2017, Tony Lindgren wrote:

> On CPCAP we need to keep reading interrupts until there are no
> more interrupts. Otherwise the PMIC interrupt to the SoC will at
> some point stop toggling. This seems to happen because new CPCAP
> device interrupts show up while we're handling.
> 
> Cc: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> Cc: Lee Jones <lee.jones@xxxxxxxxxx>
> Cc: Marcel Partap <mpartap@xxxxxxx>
> Cc: Michael Scott <michael.scott@xxxxxxxxxx>
> Tested-by: Sebastian Reichel <sre@xxxxxxxxxx>
> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
> ---
>  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,
> +		.handle_reread = 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,
> +		.handle_reread = 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,
> +		.handle_reread = true,
>  	},
>  };
>  

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