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From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Maulik Shah <mkshah@codeaurora.org>
Cc: maz@kernel.org, linus.walleij@linaro.org, swboyd@chromium.org,
	evgreen@chromium.org, mka@chromium.org,
	linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-gpio@vger.kernel.org, agross@kernel.org,
	tglx@linutronix.de, jason@lakedaemon.net, dianders@chromium.org,
	rnayak@codeaurora.org, ilina@codeaurora.org,
	lsrao@codeaurora.org
Subject: Re: [PATCH v5 2/6] pinctrl: qcom: Use return value from irq_set_wake() call
Date: Mon, 31 Aug 2020 18:19:18 +0000	[thread overview]
Message-ID: <20200831181918.GB468@uller> (raw)
In-Reply-To: <1598113021-4149-3-git-send-email-mkshah@codeaurora.org>

On Sat 22 Aug 16:16 UTC 2020, Maulik Shah wrote:

> msmgpio irqchip was not using return value of irq_set_irq_wake() callback
> since previously GIC-v3 irqchip neither had IRQCHIP_SKIP_SET_WAKE flag nor
> it implemented .irq_set_wake callback. This lead to irq_set_irq_wake()
> return error -ENXIO.
> 
> However from 'commit 4110b5cbb014 ("irqchip/gic-v3: Allow interrupt to be
> configured as wake-up sources")' GIC irqchip has IRQCHIP_SKIP_SET_WAKE
> flag.
> 
> Use return value from irq_set_irq_wake() and irq_chip_set_wake_parent()
> instead of always returning success.
> 
> Fixes: e35a6ae0eb3a ("pinctrl/msm: Setup GPIO chip in hierarchy")
> Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
> Reviewed-by: Douglas Anderson <dianders@chromium.org>
> Reviewed-by: Stephen Boyd <swboyd@chromium.org>

Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>

> ---
>  drivers/pinctrl/qcom/pinctrl-msm.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
> index 1c23f5c..1df2322 100644
> --- a/drivers/pinctrl/qcom/pinctrl-msm.c
> +++ b/drivers/pinctrl/qcom/pinctrl-msm.c
> @@ -1077,12 +1077,10 @@ static int msm_gpio_irq_set_wake(struct irq_data *d, unsigned int on)
>  	 * when TLMM is powered on. To allow that, enable the GPIO
>  	 * summary line to be wakeup capable at GIC.
>  	 */
> -	if (d->parent_data)
> -		irq_chip_set_wake_parent(d, on);
> -
> -	irq_set_irq_wake(pctrl->irq, on);
> +	if (d->parent_data && test_bit(d->hwirq, pctrl->skip_wake_irqs))
> +		return irq_chip_set_wake_parent(d, on);
>  
> -	return 0;
> +	return irq_set_irq_wake(pctrl->irq, on);
>  }
>  
>  static int msm_gpio_irq_reqres(struct irq_data *d)
> -- 
> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
> of Code Aurora Forum, hosted by The Linux Foundation
> 

  reply	other threads:[~2020-08-31 18:19 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-22 16:16 [PATCH v5 0/6] irqchip: qcom: pdc: Introduce irq_set_wake call Maulik Shah
2020-08-22 16:16 ` [PATCH v5 1/6] pinctrl: qcom: Set IRQCHIP_SET_TYPE_MASKED and IRQCHIP_MASK_ON_SUSPEND flags Maulik Shah
2020-08-31 18:33   ` Bjorn Andersson
2020-08-22 16:16 ` [PATCH v5 2/6] pinctrl: qcom: Use return value from irq_set_wake() call Maulik Shah
2020-08-31 18:19   ` Bjorn Andersson [this message]
2020-08-22 16:16 ` [PATCH v5 3/6] genirq/PM: Introduce IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND flag Maulik Shah
2020-08-25 10:12   ` Stephen Boyd
2020-08-25 21:38     ` Thomas Gleixner
2020-08-26  9:52       ` Maulik Shah
2020-08-26 10:15         ` Thomas Gleixner
2020-08-31 15:12           ` Doug Anderson
2020-09-01  9:51             ` Thomas Gleixner
2020-09-02 20:26               ` Doug Anderson
2020-09-03 12:57                 ` Thomas Gleixner
2020-09-03 23:19                   ` Doug Anderson
2020-09-04  9:54                     ` Thomas Gleixner
2020-09-08 19:05                       ` Doug Anderson
2020-09-10  8:51                         ` Thomas Gleixner
2020-08-22 16:16 ` [PATCH v5 4/6] pinctrl: qcom: Set " Maulik Shah
2020-08-25 10:14   ` Stephen Boyd
2020-08-25 19:58   ` Doug Anderson
2020-08-22 16:17 ` [PATCH v5 5/6] irqchip: qcom-pdc: " Maulik Shah
2020-08-25 10:14   ` Stephen Boyd
2020-08-25 19:59   ` Doug Anderson
2020-08-22 16:17 ` [PATCH v5 6/6] irqchip: qcom-pdc: Reset PDC interrupts during init Maulik Shah
2020-08-25 10:14   ` Stephen Boyd
2020-08-25 20:00   ` Doug Anderson
2020-08-27 22:48 ` [PATCH v5 0/6] irqchip: qcom: pdc: Introduce irq_set_wake call Linus Walleij

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