aboutsummaryrefslogtreecommitdiff
path: root/drivers/mfd/intel_msic.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mfd/intel_msic.c')
-rw-r--r--drivers/mfd/intel_msic.c31
1 files changed, 5 insertions, 26 deletions
diff --git a/drivers/mfd/intel_msic.c b/drivers/mfd/intel_msic.c
index b76657eb0c5..59df5584cb5 100644
--- a/drivers/mfd/intel_msic.c
+++ b/drivers/mfd/intel_msic.c
@@ -406,7 +406,7 @@ static int __devinit intel_msic_probe(struct platform_device *pdev)
return -ENXIO;
}
- msic = kzalloc(sizeof(*msic), GFP_KERNEL);
+ msic = devm_kzalloc(&pdev->dev, sizeof(*msic), GFP_KERNEL);
if (!msic)
return -ENOMEM;
@@ -421,21 +421,13 @@ static int __devinit intel_msic_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "failed to get SRAM iomem resource\n");
- ret = -ENODEV;
- goto fail_free_msic;
+ return -ENODEV;
}
- res = request_mem_region(res->start, resource_size(res), pdev->name);
- if (!res) {
- ret = -EBUSY;
- goto fail_free_msic;
- }
-
- msic->irq_base = ioremap_nocache(res->start, resource_size(res));
+ msic->irq_base = devm_request_and_ioremap(&pdev->dev, res);
if (!msic->irq_base) {
dev_err(&pdev->dev, "failed to map SRAM memory\n");
- ret = -ENOMEM;
- goto fail_release_region;
+ return -ENOMEM;
}
platform_set_drvdata(pdev, msic);
@@ -443,7 +435,7 @@ static int __devinit intel_msic_probe(struct platform_device *pdev)
ret = intel_msic_init_devices(msic);
if (ret) {
dev_err(&pdev->dev, "failed to initialize MSIC devices\n");
- goto fail_unmap_mem;
+ return ret;
}
dev_info(&pdev->dev, "Intel MSIC version %c%d (vendor %#x)\n",
@@ -451,27 +443,14 @@ static int __devinit intel_msic_probe(struct platform_device *pdev)
msic->vendor);
return 0;
-
-fail_unmap_mem:
- iounmap(msic->irq_base);
-fail_release_region:
- release_mem_region(res->start, resource_size(res));
-fail_free_msic:
- kfree(msic);
-
- return ret;
}
static int __devexit intel_msic_remove(struct platform_device *pdev)
{
struct intel_msic *msic = platform_get_drvdata(pdev);
- struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
intel_msic_remove_devices(msic);
platform_set_drvdata(pdev, NULL);
- iounmap(msic->irq_base);
- release_mem_region(res->start, resource_size(res));
- kfree(msic);
return 0;
}