commit 9e5df9f88c5d874a9154e137a2e99413750540cd
author Fabio Estevam <fabio.estevam@freescale.com> Thu Nov 27 17:08:33 2014 -0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Fri Jan 09 14:12:27 2015 -0800
tree 90ee53cd456c3a39f95a0c76be998abadb37bff1
parent 75beb268550d11e66c372dd6da309dce659da7f7

serial: mxs-auart: Use devm_request_irq()

By using devm_request_irq() we can have a shorter and cleaner code.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/mxs-auart.c

diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 9309082..1e9fb3706 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -1268,7 +1268,8 @@
 
 	s->irq = platform_get_irq(pdev, 0);
 	s->port.irq = s->irq;
-	ret = request_irq(s->irq, mxs_auart_irq_handle, 0, dev_name(&pdev->dev), s);
+	ret = devm_request_irq(&pdev->dev, s->irq, mxs_auart_irq_handle, 0,
+			       dev_name(&pdev->dev), s);
 	if (ret)
 		return ret;
 
@@ -1283,7 +1284,7 @@
 	 */
 	ret = mxs_auart_request_gpio_irq(s);
 	if (ret)
-		goto out_free_irq;
+		return ret;
 
 	auart_port[s->port.line] = s;
 
@@ -1302,9 +1303,7 @@
 
 out_free_gpio_irq:
 	mxs_auart_free_gpio_irq(s);
-out_free_irq:
 	auart_port[pdev->id] = NULL;
-	free_irq(s->irq, s);
 	return ret;
 }
 
@@ -1313,11 +1312,8 @@
 	struct mxs_auart_port *s = platform_get_drvdata(pdev);
 
 	uart_remove_one_port(&auart_driver, &s->port);
-
 	auart_port[pdev->id] = NULL;
-
 	mxs_auart_free_gpio_irq(s);
-	free_irq(s->irq, s);
 
 	return 0;
 }