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

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Message-ID: <20190801184505.17239-2-frieder.schrempf@kontron.de>
Date:   Thu, 1 Aug 2019 18:45:24 +0000
From:   Schrempf Frieder <frieder.schrempf@...tron.de>
To:     "u.kleine-koenig@...gutronix.de" <u.kleine-koenig@...gutronix.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>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "geert+renesas@...der.be" <geert+renesas@...der.be>,
        Schrempf Frieder <frieder.schrempf@...tron.de>,
        Jiri Slaby <jslaby@...e.com>,
        "linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 2/3] serial: sh-sci: Remove check for specific
 mctrl_gpio_init() return value

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.

Signed-off-by: Frieder Schrempf <frieder.schrempf@...tron.de>
---
 drivers/tty/serial/sh-sci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index d18c680aa64b..249325b65ee0 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -3287,7 +3287,7 @@ static int sci_probe_single(struct platform_device *dev,
 		return ret;
 
 	sciport->gpios = mctrl_gpio_init(&sciport->port, 0);
-	if (IS_ERR(sciport->gpios) && PTR_ERR(sciport->gpios) != -ENOSYS)
+	if (IS_ERR(sciport->gpios))
 		return PTR_ERR(sciport->gpios);
 
 	if (sciport->has_rtscts) {
-- 
2.17.1