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path: root/drivers/mfd/jz4740-adc.c
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Diffstat (limited to 'drivers/mfd/jz4740-adc.c')
-rw-r--r--drivers/mfd/jz4740-adc.c26
1 files changed, 9 insertions, 17 deletions
diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c
index c6b6d7dda517..e80587f1a792 100644
--- a/drivers/mfd/jz4740-adc.c
+++ b/drivers/mfd/jz4740-adc.c
@@ -202,7 +202,7 @@ static struct mfd_cell jz4740_adc_cells[] = {
},
};
-static int __devinit jz4740_adc_probe(struct platform_device *pdev)
+static int jz4740_adc_probe(struct platform_device *pdev)
{
struct irq_chip_generic *gc;
struct irq_chip_type *ct;
@@ -211,7 +211,7 @@ static int __devinit jz4740_adc_probe(struct platform_device *pdev)
int ret;
int irq_base;
- adc = kmalloc(sizeof(*adc), GFP_KERNEL);
+ adc = devm_kzalloc(&pdev->dev, sizeof(*adc), GFP_KERNEL);
if (!adc) {
dev_err(&pdev->dev, "Failed to allocate driver structure\n");
return -ENOMEM;
@@ -221,30 +221,27 @@ static int __devinit jz4740_adc_probe(struct platform_device *pdev)
if (adc->irq < 0) {
ret = adc->irq;
dev_err(&pdev->dev, "Failed to get platform irq: %d\n", ret);
- goto err_free;
+ return ret;
}
irq_base = platform_get_irq(pdev, 1);
if (irq_base < 0) {
- ret = irq_base;
- dev_err(&pdev->dev, "Failed to get irq base: %d\n", ret);
- goto err_free;
+ dev_err(&pdev->dev, "Failed to get irq base: %d\n", irq_base);
+ return irq_base;
}
mem_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem_base) {
- ret = -ENOENT;
dev_err(&pdev->dev, "Failed to get platform mmio resource\n");
- goto err_free;
+ return -ENOENT;
}
/* Only request the shared registers for the MFD driver */
adc->mem = request_mem_region(mem_base->start, JZ_REG_ADC_STATUS,
pdev->name);
if (!adc->mem) {
- ret = -EBUSY;
dev_err(&pdev->dev, "Failed to request mmio memory region\n");
- goto err_free;
+ return -EBUSY;
}
adc->base = ioremap_nocache(adc->mem->start, resource_size(adc->mem));
@@ -301,13 +298,10 @@ err_iounmap:
iounmap(adc->base);
err_release_mem_region:
release_mem_region(adc->mem->start, resource_size(adc->mem));
-err_free:
- kfree(adc);
-
return ret;
}
-static int __devexit jz4740_adc_remove(struct platform_device *pdev)
+static int jz4740_adc_remove(struct platform_device *pdev)
{
struct jz4740_adc *adc = platform_get_drvdata(pdev);
@@ -325,14 +319,12 @@ static int __devexit jz4740_adc_remove(struct platform_device *pdev)
platform_set_drvdata(pdev, NULL);
- kfree(adc);
-
return 0;
}
static struct platform_driver jz4740_adc_driver = {
.probe = jz4740_adc_probe,
- .remove = __devexit_p(jz4740_adc_remove),
+ .remove = jz4740_adc_remove,
.driver = {
.name = "jz4740-adc",
.owner = THIS_MODULE,