Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1615068
| From | Lee Jones <lee.jones@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 3/4] mfd: cpcap: Use ack_invert interrupts |
| Date | 2017-04-03 12:30 +0200 |
| Message-ID | <ts7pf-5zy-9@gated-at.bofh.it> (permalink) |
| References | <tnS5s-5Vz-27@gated-at.bofh.it> <tnS5t-5Vz-41@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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@opensource.wolfsonmicro.com>
> Cc: Lee Jones <lee.jones@linaro.org>
> 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
> @@ -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 │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
Back to linux.kernel | Previous | Next | Find similar | Unroll thread
Re: [PATCH 3/4] mfd: cpcap: Use ack_invert interrupts Lee Jones <lee.jones@linaro.org> - 2017-04-03 12:30 +0200
csiph-web