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From:   Schrempf Frieder <frieder.schrempf@kontron.de>
To:     "u.kleine-koenig@pengutronix.de" <u.kleine-koenig@pengutronix.de>,
        "shawnguo@kernel.org" <shawnguo@kernel.org>,
        "s.hauer@pengutronix.de" <s.hauer@pengutronix.de>,
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CC:     "linux-arm-kernel@lists.infradead.org" 
        <linux-arm-kernel@lists.infradead.org>,
        "geert+renesas@glider.be" <geert+renesas@glider.be>,
        Schrempf Frieder <frieder.schrempf@kontron.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Jiri Slaby <jslaby@suse.com>,
        "linux-serial@vger.kernel.org" <linux-serial@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: [PATCH v2 3/3] serial: 8250: Remove check for specific
 mctrl_gpio_init() return value
Thread-Topic: [PATCH v2 3/3] serial: 8250: Remove check for specific
 mctrl_gpio_init() return value
Thread-Index: AQHVSJlMYOgwSyf98EmjTVkXuG4aig==
Date:   Thu, 1 Aug 2019 18:45:32 +0000
Message-ID: <20190801184505.17239-3-frieder.schrempf@kontron.de>
References: <20190801184505.17239-1-frieder.schrempf@kontron.de>
In-Reply-To: <20190801184505.17239-1-frieder.schrempf@kontron.de>
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From: Frieder Schrempf <frieder.schrempf@kontron.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@kontron.de>
---
 drivers/tty/serial/8250/8250_core.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index df3bcc0b2d74..e682390ce0de 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -1026,10 +1026,8 @@ int serial8250_register_8250_port(struct uart_8250_port *up)
 		if (!has_acpi_companion(uart->port.dev)) {
 			gpios = mctrl_gpio_init(&uart->port, 0);
 			if (IS_ERR(gpios)) {
-				if (PTR_ERR(gpios) != -ENOSYS) {
-					ret = PTR_ERR(gpios);
-					goto out_unlock;
-				}
+				ret = PTR_ERR(gpios);
+				goto out_unlock;
 			} else {
 				uart->gpios = gpios;
 			}
-- 
2.17.1