linux-kernel - Re: [PATCH] power: supply: Fix missing IRQF

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Date:   Thu, 8 Apr 2021 14:43:52 +0200
From:   Sebastian Reichel <sebastian.reichel@...labora.com>
To:     zhuguangqing83@...il.com
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] power: supply: Fix missing IRQF_ONESHOT as only threaded
 handler

Hi,

On Tue, Apr 06, 2021 at 01:28:29PM +0800, zhuguangqing83@...il.com wrote:
> From: Guangqing Zhu <zhuguangqing83@...il.com>
> 
> Coccinelle noticed:
>  1. drivers/power/supply/pm2301_charger.c:1089:7-27: ERROR: Threaded IRQ
>     with no primary handler requested without IRQF_ONESHOT
>  2. drivers/power/supply/tps65090-charger.c:303:8-33: ERROR: Threaded IRQ
>     with no primary handler requested without IRQF_ONESHOT
>  3. drivers/power/supply/tps65217_charger.c:239:8-33: ERROR: Threaded IRQ
>     with no primary handler requested without IRQF_ONESHOT
>  4. drivers/power/supply/lp8788-charger.c:502:8-28: ERROR: Threaded IRQ
>     with no primary handler requested without IRQF_ONESHOT
> 
> Signed-off-by: Guangqing Zhu <zhuguangqing83@...il.com>
> ---

I merged a patch fixing missing IRQF_ONESHOT flags in power-supply
from dongjian two weeks ago as 2469b836fa83. Please make sure you
are basing your work on up to date for-next branches before sending
out patches!

Thanks,

-- Sebastian

>  drivers/power/supply/lp8788-charger.c   | 2 +-
>  drivers/power/supply/pm2301_charger.c   | 2 +-
>  drivers/power/supply/tps65090-charger.c | 3 ++-
>  drivers/power/supply/tps65217_charger.c | 4 ++--
>  4 files changed, 6 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/power/supply/lp8788-charger.c b/drivers/power/supply/lp8788-charger.c
> index e7931ffb7151..397e5a03b7d9 100644
> --- a/drivers/power/supply/lp8788-charger.c
> +++ b/drivers/power/supply/lp8788-charger.c
> @@ -501,7 +501,7 @@ static int lp8788_set_irqs(struct platform_device *pdev,
>  
>  		ret = request_threaded_irq(virq, NULL,
>  					lp8788_charger_irq_thread,
> -					0, name, pchg);
> +					IRQF_ONESHOT, name, pchg);
>  		if (ret)
>  			break;
>  	}
> diff --git a/drivers/power/supply/pm2301_charger.c b/drivers/power/supply/pm2301_charger.c
> index ac06ecf7fc9c..a3bfb9612b17 100644
> --- a/drivers/power/supply/pm2301_charger.c
> +++ b/drivers/power/supply/pm2301_charger.c
> @@ -1089,7 +1089,7 @@ static int pm2xxx_wall_charger_probe(struct i2c_client *i2c_client,
>  	ret = request_threaded_irq(gpio_to_irq(pm2->pdata->gpio_irq_number),
>  				NULL,
>  				pm2xxx_charger_irq[0].isr,
> -				pm2->pdata->irq_type,
> +				pm2->pdata->irq_type | IRQF_ONESHOT,
>  				pm2xxx_charger_irq[0].name, pm2);
>  
>  	if (ret != 0) {
> diff --git a/drivers/power/supply/tps65090-charger.c b/drivers/power/supply/tps65090-charger.c
> index 6b0098e5a88b..d55bcc341854 100644
> --- a/drivers/power/supply/tps65090-charger.c
> +++ b/drivers/power/supply/tps65090-charger.c
> @@ -301,7 +301,8 @@ static int tps65090_charger_probe(struct platform_device *pdev)
>  
>  	if (irq != -ENXIO) {
>  		ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
> -			tps65090_charger_isr, 0, "tps65090-charger", cdata);
> +			tps65090_charger_isr, IRQF_ONESHOT,
> +			"tps65090-charger", cdata);
>  		if (ret) {
>  			dev_err(cdata->dev,
>  				"Unable to register irq %d err %d\n", irq,
> diff --git a/drivers/power/supply/tps65217_charger.c b/drivers/power/supply/tps65217_charger.c
> index 814c2b81fdfe..cba3967ff275 100644
> --- a/drivers/power/supply/tps65217_charger.c
> +++ b/drivers/power/supply/tps65217_charger.c
> @@ -238,8 +238,8 @@ 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,
> -						0, "tps65217-charger",
> -						charger);
> +						IRQF_ONESHOT,
> +						"tps65217-charger", charger);
>  		if (ret) {
>  			dev_err(charger->dev,
>  				"Unable to register irq %d err %d\n", irq[i],
> -- 
> 2.17.1
> 

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