Merge tag 'v3.15-rc1' into patchwork

Linux 3.15-rc1

* tag 'v3.15-rc1': (12180 commits)
  Linux 3.15-rc1
  mm: Initialize error in shmem_file_aio_read()
  cifs: Use min_t() when comparing "size_t" and "unsigned long"
  sym53c8xx_2: Set DID_REQUEUE return code when aborting squeue
  powerpc: Don't try to set LPCR unless we're in hypervisor mode
  futex: update documentation for ordering guarantees
  ceph: fix pr_fmt() redefinition
  vti: don't allow to add the same tunnel twice
  gre: don't allow to add the same tunnel twice
  drivers: net: xen-netfront: fix array initialization bug
  missing bits of "splice: fix racy pipe->buffers uses"
  cifs: fix the race in cifs_writev()
  ceph_sync_{,direct_}write: fix an oops on ceph_osdc_new_request() failure
  pktgen: be friendly to LLTX devices
  r8152: check RTL8152_UNPLUG
  net: sun4i-emac: add promiscuous support
  net/apne: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO
  blackfin: cleanup board files
  bf609: clock: drop unused clock bit set/clear functions
  Blackfin: bf537: rename "CONFIG_ADT75"
  ...

1 files changed, 5 insertions, 28 deletions

diff --git a/drivers/rtc/rtc-davinci.c b/drivers/rtc/rtc-davinci.c
index 24677ef8c39..c0a3b59f65a 100644
--- a/drivers/rtc/rtc-davinci.c
+++ b/drivers/rtc/rtc-davinci.c
@@ -119,8 +119,6 @@ static DEFINE_SPINLOCK(davinci_rtc_lock);
 struct davinci_rtc {
 	struct rtc_device		*rtc;
 	void __iomem			*base;
-	resource_size_t			pbase;
-	size_t				base_size;
 	int				irq;
 };
 
@@ -482,14 +480,12 @@ static int __init davinci_rtc_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct davinci_rtc *davinci_rtc;
-	struct resource *res, *mem;
+	struct resource *res;
 	int ret = 0;
 
 	davinci_rtc = devm_kzalloc(&pdev->dev, sizeof(struct davinci_rtc), GFP_KERNEL);
-	if (!davinci_rtc) {
-		dev_dbg(dev, "could not allocate memory for private data\n");
+	if (!davinci_rtc)
 		return -ENOMEM;
-	}
 
 	davinci_rtc->irq = platform_get_irq(pdev, 0);
 	if (davinci_rtc->irq < 0) {
@@ -498,28 +494,9 @@ static int __init davinci_rtc_probe(struct platform_device *pdev)
 	}
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(dev, "no mem resource\n");
-		return -EINVAL;
-	}
-
-	davinci_rtc->pbase = res->start;
-	davinci_rtc->base_size = resource_size(res);
-
-	mem = devm_request_mem_region(dev, davinci_rtc->pbase,
-				davinci_rtc->base_size, pdev->name);
-	if (!mem) {
-		dev_err(dev, "RTC registers at %08x are not free\n",
-			davinci_rtc->pbase);
-		return -EBUSY;
-	}
-
-	davinci_rtc->base = devm_ioremap(dev, davinci_rtc->pbase,
-					davinci_rtc->base_size);
-	if (!davinci_rtc->base) {
-		dev_err(dev, "unable to ioremap MEM resource\n");
-		return -ENOMEM;
-	}
+	davinci_rtc->base = devm_ioremap_resource(dev, res);
+	if (IS_ERR(davinci_rtc->base))
+		return PTR_ERR(davinci_rtc->base);
 
 	platform_set_drvdata(pdev, davinci_rtc);