linux-kernel - Re: [PATCH v2 2/3] serial: sh-sci: Remove check for specific mctrl_gpio

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Message-ID: <20190801203902.xie5dexnsoqxxlat@pengutronix.de>
Date:   Thu, 1 Aug 2019 22:39:02 +0200
From:   Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
To:     Schrempf Frieder <frieder.schrempf@...tron.de>
Cc:     "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        "linux-imx@....com" <linux-imx@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "geert+renesas@...der.be" <geert+renesas@...der.be>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
        Jiri Slaby <jslaby@...e.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 2/3] serial: sh-sci: Remove check for specific
 mctrl_gpio_init() return value

On Thu, Aug 01, 2019 at 06:45:24PM +0000, Schrempf Frieder wrote:
> From: Frieder Schrempf <frieder.schrempf@...tron.de>
> 
> Now that the mctrl_gpio code returns NULL instead of ERR_PTR(-ENOSYS)
> in cases when CONFIG_GPIOLIB is disabled, we can safely remove this
> check.

I would mention -ENOSYS in the Subject line. Something like:

	serial: sh-sci: don't check for mctrl_gpio_init returning -ENOSYS

	Now that the mctrl_gpio code returns NULL instead of
	ERR_PTR(-ENOSYS) if CONFIG_GPIOLIB is disabled, we can safely
	remove this check.

Thanks
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |