2 files changed, 13 insertions, 1 deletions

diff --git a/drivers/rtc/rtc-mv.c b/drivers/rtc/rtc-mv.c
index 45f12dcd3716..e0263d2005ee 100644
--- a/drivers/rtc/rtc-mv.c
+++ b/drivers/rtc/rtc-mv.c
@@ -12,6 +12,7 @@
 #include <linux/bcd.h>
 #include <linux/io.h>
 #include <linux/platform_device.h>
+#include <linux/delay.h>
 
 
 #define RTC_TIME_REG_OFFS       0
@@ -119,6 +120,16 @@ static int __init mv_rtc_probe(struct platform_device *pdev)
                 return -EINVAL;
         }
 
+        /* make sure it is actually functional */
+        if (rtc_time == 0x01000000) {
+                ssleep(1);
+                rtc_time = readl(pdata->ioaddr + RTC_TIME_REG_OFFS);
+                if (rtc_time == 0x01000000) {
+                        dev_err(&pdev->dev, "internal RTC not ticking\n");
+                        return -ENODEV;
+                }
+        }
+
         platform_set_drvdata(pdev, pdata);
         pdata->rtc = rtc_device_register(pdev->name, &pdev->dev,
                                          &mv_rtc_ops, THIS_MODULE);
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index d26a5f82aaba..4f247e4dd3f9 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -35,7 +35,8 @@
 #include <asm/irq.h>
 
 #ifdef CONFIG_ARCH_PXA
-#include <mach/pxa-regs.h>
+#include <mach/regs-rtc.h>
+#include <mach/regs-ost.h>
 #endif
 
 #define RTC_DEF_DIVIDER         32768 - 1