linux-kernel - Re: [PATCH V1 11/15] spmi: spmi-pmic-arb: enable the SPMI interrupt as a wakeup source

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Date:   Wed, 31 May 2017 10:13:58 -0700
From:   Stephen Boyd <sboyd@...eaurora.org>
To:     Kiran Gunda <kgunda@...eaurora.org>
Cc:     Abhijeet Dharmapurikar <adharmap@...eaurora.org>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        David Collins <collinsd@...eaurora.org>,
        Subbaraman Narayanamurthy <subbaram@...eaurora.org>,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        adharmap@...cinc.com, aghayal@....qualcomm.com,
        Nicholas Troast <ntroast@...eaurora.org>
Subject: Re: [PATCH V1 11/15] spmi: spmi-pmic-arb: enable the SPMI interrupt
 as a wakeup source

On 05/30, Kiran Gunda wrote:
> Currently the SPMI interrupt will not wake the device. Enable this
> interrupt as a wakeup source.
> 
> Signed-off-by: Nicholas Troast <ntroast@...eaurora.org>
> Signed-off-by: Kiran Gunda <kgunda@...eaurora.org>
> ---
>  drivers/spmi/spmi-pmic-arb.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/spmi/spmi-pmic-arb.c b/drivers/spmi/spmi-pmic-arb.c
> index 0deac33..2afe359 100644
> --- a/drivers/spmi/spmi-pmic-arb.c
> +++ b/drivers/spmi/spmi-pmic-arb.c
> @@ -1140,6 +1140,7 @@ static int spmi_pmic_arb_probe(struct platform_device *pdev)
>  	}
>  
>  	irq_set_chained_handler_and_data(pa->irq, pmic_arb_chained_irq, pa);
> +	enable_irq_wake(pa->irq);

Why don't we do this through an irq_set_wake callback in the
irqchip? That way, we don't mark this irq as wakeup if any child
irqs aren't marked as wakeup.

-- 
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