linux-kernel - Re: [PATCH v2 1/2] power: supply: Fix tps65217-charger vs vbus irq conflict

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Message-ID: <20230915204325.mokj2nmdwjdekxfo@mercury.elektranox.org>
Date:   Fri, 15 Sep 2023 22:43:25 +0200
From:   Sebastian Reichel <sebastian.reichel@...labora.com>
To:     Grant B Adams <nemith592@...il.com>
Cc:     linux-omap@...r.kernel.org, tony@...mide.com,
        Bin Liu <b-liu@...com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org
Subject: Re: [PATCH v2 1/2] power: supply: Fix tps65217-charger vs vbus irq
 conflict

Hi,

On Wed, Aug 23, 2023 at 10:54:29AM +0200, Grant B Adams wrote:
> Enabling the tps65217-charger driver/module causes an interrupt conflict
> with the vbus driver resulting in a probe failure.
> The conflict is resolved by changing both driver's threaded interrupt
> request function from IRQF_ONESHOT to IRQF_SHARED.
> 
> Signed-off-by: Grant B Adams <nemith592@...il.com>
> ---

Your commit message does not explain why IRQF_ONESHOT is dropped;
IRQF_ONESHOT and IRQF_SHARED are not mutually exclusive.

-- Sebastian

>  drivers/power/supply/tps65217_charger.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/power/supply/tps65217_charger.c b/drivers/power/supply/tps65217_charger.c
> index a4bc9f2a10bc..6f68becdbfd0 100644
> --- a/drivers/power/supply/tps65217_charger.c
> +++ b/drivers/power/supply/tps65217_charger.c
> @@ -238,7 +238,7 @@ static int tps65217_charger_probe(struct platform_device *pdev)
>  	for (i = 0; i < NUM_CHARGER_IRQS; i++) {
>  		ret = devm_request_threaded_irq(&pdev->dev, irq[i], NULL,
>  						tps65217_charger_irq,
> -						IRQF_ONESHOT, "tps65217-charger",
> +						IRQF_SHARED, "tps65217-charger",
>  						charger);
>  		if (ret) {
>  			dev_err(charger->dev,
> -- 
> 2.34.1
> 

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