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 <ckee...@opensource.wolfsonmicro.com>
> Cc: Lee Jones <lee.jo...@linaro.org>
> Cc: Marcel Partap <mpar...@gmx.net>
> Cc: Michael Scott <michael.sc...@linaro.org>
> Tested-by: Sebastian Reichel <s...@kernel.org>
> Signed-off-by: Tony Lindgren <t...@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,
> + .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 │ Open source software for ARM SoCs
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