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authorDevendra Naga <devendra.aaru@gmail.com>2012-11-24 06:14:38 -0500
committerSamuel Ortiz <sameo@linux.intel.com>2012-11-26 12:20:49 +0100
commit931cbaf352e06b649a5033af8dd17eed53efc2c7 (patch)
treee6a30ee01c873e293b9889133a8b297461d4779d /drivers/mfd
parent32533983858f5f6899f39d54230d9640ef4547cd (diff)
downloadop-kernel-dev-931cbaf352e06b649a5033af8dd17eed53efc2c7.zip
op-kernel-dev-931cbaf352e06b649a5033af8dd17eed53efc2c7.tar.gz
mfd: jz4740-adc: Use devm_kzalloc
Use devm_kzalloc and remove the error path free'ing and unload free'ing as the devm resource functions free them. Signed-off-by: Devendra Naga <devendra.aaru@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/jz4740-adc.c20
1 files changed, 6 insertions, 14 deletions
diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c
index c6b6d7d..8619508 100644
--- a/drivers/mfd/jz4740-adc.c
+++ b/drivers/mfd/jz4740-adc.c
@@ -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));
@@ -301,9 +298,6 @@ 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;
}
@@ -325,8 +319,6 @@ static int __devexit jz4740_adc_remove(struct platform_device *pdev)
platform_set_drvdata(pdev, NULL);
- kfree(adc);
-
return 0;
}
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