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authorPaul Moore <pmoore@redhat.com>2014-06-17 17:30:23 -0400
committerPaul Moore <pmoore@redhat.com>2014-06-17 17:30:23 -0400
commit170b5910d9fbea79de1bb40df22eda5f98250c0c (patch)
treeca9560e878d2842d45c6f99077d0d8b8f8b0f9ba /drivers/rtc/rtc-vt8500.c
parent47dd0b76ace953bd2c0479076db0d3e3b9594003 (diff)
parent1860e379875dfe7271c649058aeddffe5afd9d0d (diff)
Merge tag 'v3.15' into next
Linux 3.15
Diffstat (limited to 'drivers/rtc/rtc-vt8500.c')
-rw-r--r--drivers/rtc/rtc-vt8500.c28
1 files changed, 5 insertions, 23 deletions
diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c
index df2ef3eba7c..051da968da6 100644
--- a/drivers/rtc/rtc-vt8500.c
+++ b/drivers/rtc/rtc-vt8500.c
@@ -79,7 +79,6 @@
struct vt8500_rtc {
void __iomem *regbase;
- struct resource *res;
int irq_alarm;
struct rtc_device *rtc;
spinlock_t lock; /* Protects this structure */
@@ -209,6 +208,7 @@ static const struct rtc_class_ops vt8500_rtc_ops = {
static int vt8500_rtc_probe(struct platform_device *pdev)
{
struct vt8500_rtc *vt8500_rtc;
+ struct resource *res;
int ret;
vt8500_rtc = devm_kzalloc(&pdev->dev,
@@ -219,34 +219,16 @@ static int vt8500_rtc_probe(struct platform_device *pdev)
spin_lock_init(&vt8500_rtc->lock);
platform_set_drvdata(pdev, vt8500_rtc);
- vt8500_rtc->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!vt8500_rtc->res) {
- dev_err(&pdev->dev, "No I/O memory resource defined\n");
- return -ENXIO;
- }
-
vt8500_rtc->irq_alarm = platform_get_irq(pdev, 0);
if (vt8500_rtc->irq_alarm < 0) {
dev_err(&pdev->dev, "No alarm IRQ resource defined\n");
return vt8500_rtc->irq_alarm;
}
- vt8500_rtc->res = devm_request_mem_region(&pdev->dev,
- vt8500_rtc->res->start,
- resource_size(vt8500_rtc->res),
- "vt8500-rtc");
- if (vt8500_rtc->res == NULL) {
- dev_err(&pdev->dev, "failed to request I/O memory\n");
- return -EBUSY;
- }
-
- vt8500_rtc->regbase = devm_ioremap(&pdev->dev, vt8500_rtc->res->start,
- resource_size(vt8500_rtc->res));
- if (!vt8500_rtc->regbase) {
- dev_err(&pdev->dev, "Unable to map RTC I/O memory\n");
- ret = -EBUSY;
- goto err_return;
- }
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ vt8500_rtc->regbase = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(vt8500_rtc->regbase))
+ return PTR_ERR(vt8500_rtc->regbase);
/* Enable RTC and set it to 24-hour mode */
writel(VT8500_RTC_CR_ENABLE,