netdev - Re: [PATCH net-next v1 1/1] ieee802154: ca8210: Remove stray gpiod

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Date: Mon, 29 May 2023 10:12:13 +0200
From: Miquel Raynal <miquel.raynal@...tlin.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: Stefan Schmidt <stefan@...enfreihafen.org>, linux-wpan@...r.kernel.org,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Alexander Aring
 <alex.aring@...il.com>, "David S. Miller" <davem@...emloft.net>, Eric
 Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo
 Abeni <pabeni@...hat.com>
Subject: Re: [PATCH net-next v1 1/1] ieee802154: ca8210: Remove stray
 gpiod_unexport() call

Hi Andy,

andriy.shevchenko@...ux.intel.com wrote on Sun, 28 May 2023 17:09:38
+0300:

> There is no gpiod_export() and gpiod_unexport() looks pretty much stray.
> The gpiod_export() and gpiod_unexport() shouldn't be used in the code,
> GPIO sysfs is deprecated. That said, simply drop the stray call.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Any reason not to consider a backport into stable kernels?
Cc: stable + Fixes would certainly be welcome in this case?

> ---
>  drivers/net/ieee802154/ca8210.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c
> index a2d242034220..f9b10e84de06 100644
> --- a/drivers/net/ieee802154/ca8210.c
> +++ b/drivers/net/ieee802154/ca8210.c
> @@ -2855,7 +2855,6 @@ static int ca8210_interrupt_init(struct spi_device *spi)
>  	);
>  	if (ret) {
>  		dev_crit(&spi->dev, "request_irq %d failed\n", pdata->irq_id);
> -		gpiod_unexport(gpio_to_desc(pdata->gpio_irq));
>  		gpio_free(pdata->gpio_irq);
>  	}
>  

Thanks,
Miquèl