linux-kernel - [PATCH 02/11] tty: serial: omap: switch over to devm_request

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Message-ID: <1395343807-21618-2-git-send-email-balbi@ti.com>
Date:	Thu, 20 Mar 2014 14:29:58 -0500
From:	Felipe Balbi <balbi@...com>
To:	Greg KH <gregkh@...uxfoundation.org>
CC:	<linux-serial@...r.kernel.org>, <linux-bluetooth@...r.kernel.org>,
	<peter@...leysoftware.com>, <m-karicheri2@...com>,
	<b32955@...escale.com>,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Felipe Balbi <balbi@...com>
Subject: [PATCH 02/11] tty: serial: omap: switch over to devm_request_gpio

this will make sure gpio gets freed automatically
when this device is destroyed.

Signed-off-by: Felipe Balbi <balbi@...com>
---
 drivers/tty/serial/omap-serial.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 73abba8..db5d90b 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -1594,7 +1594,7 @@ static int serial_omap_probe_rs485(struct uart_omap_port *up,
 	/* check for tx enable gpio */
 	up->rts_gpio = of_get_named_gpio_flags(np, "rts-gpio", 0, &flags);
 	if (gpio_is_valid(up->rts_gpio)) {
-		ret = gpio_request(up->rts_gpio, "omap-serial");
+		ret = devm_gpio_request(up->dev, up->rts_gpio, "omap-serial");
 		if (ret < 0)
 			return ret;
 		ret = gpio_direction_output(up->rts_gpio,
@@ -1660,7 +1660,8 @@ static int serial_omap_probe(struct platform_device *pdev)
 
 	if (gpio_is_valid(omap_up_info->DTR_gpio) &&
 	    omap_up_info->DTR_present) {
-		ret = gpio_request(omap_up_info->DTR_gpio, "omap-serial");
+		ret = devm_gpio_request(&pdev->dev, omap_up_info->DTR_gpio,
+				"omap-serial");
 		if (ret < 0)
 			return ret;
 		ret = gpio_direction_output(omap_up_info->DTR_gpio,
-- 
1.9.1.286.g5172cb3

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