Re: [PATCH 3/4] mfd: cpcap: Use ack_invert interrupts

From: Lee Jones
Date: Mon Apr 03 2017 - 06:22:11 EST


On Wed, 22 Mar 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.
>
> 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
> @@ -72,6 +72,7 @@ static struct regmap_irq_chip cpcap_irq_chip[CPCAP_NR_IRQ_CHIPS] = {
> .mask_base = CPCAP_REG_MIM1,
> .use_ack = true,
> .handle_reread = true,
> + .ack_invert = true,
> },
> {
> .name = "cpcap-m2",
> @@ -81,6 +82,7 @@ static struct regmap_irq_chip cpcap_irq_chip[CPCAP_NR_IRQ_CHIPS] = {
> .mask_base = CPCAP_REG_MIM2,
> .use_ack = true,
> .handle_reread = true,
> + .ack_invert = true,
> },
> {
> .name = "cpcap1-4",
> @@ -91,6 +93,7 @@ static struct regmap_irq_chip cpcap_irq_chip[CPCAP_NR_IRQ_CHIPS] = {
> .type_base = CPCAP_REG_INTS1,
> .use_ack = true,
> .handle_reread = true,
> + .ack_invert = true,
> },
> };
>

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