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serial: mxs-auart: Use devm_clk_get()

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By using devm_clk_get() 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>
This commit is contained in:
Fabio Estevam 2014-11-27 17:08:32 -02:00 committed by Greg Kroah-Hartman
parent 46778bcad7
commit 75beb26855
1 changed files with 5 additions and 9 deletions
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14
drivers/tty/serial/mxs-auart.c
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@ -1246,15 +1246,14 @@ static int mxs_auart_probe(struct platform_device *pdev)
s->devtype = pdev->id_entry->driver_data;
}
s->clk = clk_get(&pdev->dev, NULL);
s->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(s->clk))
return PTR_ERR(s->clk);
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!r) {
ret = -ENXIO;
goto out_free_clk;
}
if (!r)
return -ENXIO;
s->port.mapbase = r->start;
s->port.membase = ioremap(r->start, resource_size(r));
@ -1271,7 +1270,7 @@ static int mxs_auart_probe(struct platform_device *pdev)
s->port.irq = s->irq;
ret = request_irq(s->irq, mxs_auart_irq_handle, 0, dev_name(&pdev->dev), s);
if (ret)
goto out_free_clk;
return ret;
platform_set_drvdata(pdev, s);
@ -1306,8 +1305,6 @@ out_free_gpio_irq:
out_free_irq:
auart_port[pdev->id] = NULL;
free_irq(s->irq, s);
out_free_clk:
clk_put(s->clk);
return ret;
}
@ -1320,7 +1317,6 @@ static int mxs_auart_remove(struct platform_device *pdev)
auart_port[pdev->id] = NULL;
mxs_auart_free_gpio_irq(s);
clk_put(s->clk);
free_irq(s->irq, s);
return 0;