linux-kernel - Re: [PATCH v3 4/4] serial: 8250: Don't check for mctrl_gpio

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Date:   Fri, 2 Aug 2019 14:26:23 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
Cc:     Schrempf Frieder <frieder.schrempf@...tron.de>,
        "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>,
        "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 v3 4/4] serial: 8250: Don't check for mctrl_gpio_init()
 returning -ENOSYS

On Fri, Aug 02, 2019 at 02:15:55PM +0200, Uwe Kleine-König wrote:
> On Fri, Aug 02, 2019 at 10:04:11AM +0000, Schrempf Frieder wrote:
> > From: Frieder Schrempf <frieder.schrempf@...tron.de>
> > 
> > Now that the mctrl_gpio code returns NULL instead of ERR_PTR(-ENOSYS)
> > if CONFIG_GPIOLIB is disabled, we can safely remove this check.
> > 
> > Signed-off-by: Frieder Schrempf <frieder.schrempf@...tron.de>
> 
> Acked-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
> 
> @greg: This patch doesn't depend on patch 2; ditto for patch 3. So only
> taking patches 1, 3 and 4 should be fine. This way Frieder's v4 only
> have to care for patch 2. (Assuming noone objects to 1, 3 and 4 of
> course.)

Sounds good, I'll do that, thanks.

greg k-h