linux-kernel - Re: [PATCH] drivers: irqchip: pdc: setup all edge interrupts as rising edge at GIC

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 for Android: free password hash cracker in your pocket

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

Message-ID: <27d7df0d-4429-dcdd-f527-a33f9385b4e0@arm.com>
Date:   Fri, 28 Sep 2018 11:40:22 +0100
From:   Marc Zyngier <marc.zyngier@....com>
To:     Lina Iyer <ilina@...eaurora.org>, evgreen@...omium.org
Cc:     bjorn.andersson@...aro.org, rplsssn@...eaurora.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        rnayak@...eaurora.org, andy.gross@...aro.org, sboyd@...nel.org,
        dianders@...omium.org
Subject: Re: [PATCH] drivers: irqchip: pdc: setup all edge interrupts as
 rising edge at GIC

On 27/09/18 18:18, Lina Iyer wrote:
> The PDC irqchp can convert a falling edge or level low interrupt to a
> rising edge or level high interrupt at the GIC. We just need to setup
> the GIC correctly. Set up the interrupt type for the IRQ_TYPE_EDGE_BOTH
> as IRQ_TYPE_EDGE_RISING at the GIC.
> 
> Reported-by: Evan Green <evgreen@...omium.org>
> Signed-off-by: Lina Iyer <ilina@...eaurora.org>
> ---
>   drivers/irqchip/qcom-pdc.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/irqchip/qcom-pdc.c b/drivers/irqchip/qcom-pdc.c
> index b1b47a40a278..faa7d61b9d6c 100644
> --- a/drivers/irqchip/qcom-pdc.c
> +++ b/drivers/irqchip/qcom-pdc.c
> @@ -124,6 +124,7 @@ static int qcom_pdc_gic_set_type(struct irq_data *d, unsigned int type)
>   		break;
>   	case IRQ_TYPE_EDGE_BOTH:
>   		pdc_type = PDC_EDGE_DUAL;
> +		type = IRQ_TYPE_EDGE_RISING;
>   		break;
>   	case IRQ_TYPE_LEVEL_HIGH:
>   		pdc_type = PDC_LEVEL_HIGH;
> 

Queued for 4.20, with

Fixes: f55c73aef890 ("irqchip/pdc: Add PDC interrupt controller for QCOM 
SoCs")

added. Please consider providing these tags in the future.

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...