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w1: omap-hdq: convert to devm_* functions

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this lets us remove a bit of boilerplate code.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Felipe Balbi 2012-07-25 15:05:30 +03:00 committed by Greg Kroah-Hartman
parent 8650bbb580
commit 19afea50f1
1 changed files with 9 additions and 23 deletions
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32
drivers/w1/masters/omap_hdq.c
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@ -544,33 +544,31 @@ static void omap_w1_write_byte(void *_hdq, u8 byte)
static int __devinit omap_hdq_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct hdq_data *hdq_data;
struct resource *res;
int ret, irq;
u8 rev;
hdq_data = kmalloc(sizeof(*hdq_data), GFP_KERNEL);
hdq_data = devm_kzalloc(dev, sizeof(*hdq_data), GFP_KERNEL);
if (!hdq_data) {
dev_dbg(&pdev->dev, "unable to allocate memory\n");
ret = -ENOMEM;
goto err_kmalloc;
return -ENOMEM;
}
hdq_data->dev = &pdev->dev;
hdq_data->dev = dev;
platform_set_drvdata(pdev, hdq_data);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_dbg(&pdev->dev, "unable to get resource\n");
ret = -ENXIO;
goto err_resource;
return -ENXIO;
}
hdq_data->hdq_base = ioremap(res->start, resource_size(res));
hdq_data->hdq_base = devm_request_and_ioremap(dev, res);
if (!hdq_data->hdq_base) {
dev_dbg(&pdev->dev, "ioremap failed\n");
ret = -EINVAL;
goto err_ioremap;
return -ENOMEM;
}
hdq_data->hdq_usecount = 0;
@ -591,7 +589,8 @@ static int __devinit omap_hdq_probe(struct platform_device *pdev)
goto err_irq;
}
ret = request_irq(irq, hdq_isr, IRQF_DISABLED, "omap_hdq", hdq_data);
ret = devm_request_irq(dev, irq, hdq_isr, IRQF_DISABLED,
"omap_hdq", hdq_data);
if (ret < 0) {
dev_dbg(&pdev->dev, "could not request irq\n");
goto err_irq;
@ -616,16 +615,7 @@ err_irq:
err_w1:
pm_runtime_disable(&pdev->dev);
iounmap(hdq_data->hdq_base);
err_ioremap:
err_resource:
platform_set_drvdata(pdev, NULL);
kfree(hdq_data);
err_kmalloc:
return ret;
}
static int __devexit omap_hdq_remove(struct platform_device *pdev)
@ -644,10 +634,6 @@ static int __devexit omap_hdq_remove(struct platform_device *pdev)
/* remove module dependency */
pm_runtime_disable(&pdev->dev);
free_irq(INT_24XX_HDQ_IRQ, hdq_data);
platform_set_drvdata(pdev, NULL);
iounmap(hdq_data->hdq_base);
kfree(hdq_data);
return 0;
}