linux-kernel - Re: [PATCH RFC v2 3/6] ARM: pxa: Convert Spitz CF power control to GPIO descriptors

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Message-ID: <ZRMDqVCtrUyhcqaw@smile.fi.intel.com>
Date:   Tue, 26 Sep 2023 19:15:37 +0300
From:   Andy Shevchenko <andy@...nel.org>
To:     Duje Mihanović <duje.mihanovic@...le.hr>
Cc:     Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Russell King <linux@...linux.org.uk>,
        Alan Stern <stern@...land.harvard.edu>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-gpio@...r.kernel.org
Subject: Re: [PATCH RFC v2 3/6] ARM: pxa: Convert Spitz CF power control to
 GPIO descriptors

On Tue, Sep 26, 2023 at 05:46:24PM +0200, Duje Mihanović wrote:
> Sharp's Spitz board still uses the legacy GPIO interface for controlling
> the power supply to its CF and SD card slots.
> 
> Convert it to use the GPIO descriptor interface.

...

> +	cf_power = gpiod_get(&pxa_device_mci.dev, "cf_power", GPIOD_ASIS);
> +	if (IS_ERR(cf_power)) {
> +		dev_err(&pxa_device_mci.dev,
> +				"failed to get power control GPIO with %ld\n",
> +				PTR_ERR(cf_power));
> +		return;
> +	}

> +	gpiod_put(cf_power);

Don't you want to use guarded gpiod_get()?
Okay, it seems not yet in the pending list, but we can survive without that.

-- 
With Best Regards,
Andy Shevchenko