linux-kernel - Re: [PATCH 3/4] mfd: cpcap: Use ack

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20170403102138.zmq3t6qt754dmfys@dell>
Date:   Mon, 3 Apr 2017 11:21:38 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Tony Lindgren <tony@...mide.com>
Cc:     Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org,
        linux-omap@...r.kernel.org,
        Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>,
        Marcel Partap <mpartap@....net>,
        Michael Scott <michael.scott@...aro.org>
Subject: Re: [PATCH 3/4] mfd: cpcap: Use ack_invert interrupts

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@...nsource.wolfsonmicro.com>
> Cc: Lee Jones <lee.jones@...aro.org>
> Cc: Marcel Partap <mpartap@....net>
> Cc: Michael Scott <michael.scott@...aro.org>
> Tested-by: Sebastian Reichel <sre@...nel.org>
> Signed-off-by: Tony Lindgren <tony@...mide.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