diff options
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-mv.c | 11 | ||||
| -rw-r--r-- | drivers/rtc/rtc-sa1100.c | 3 |
2 files changed, 13 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-mv.c b/drivers/rtc/rtc-mv.c index 45f12dcd371..e0263d2005e 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 d26a5f82aab..4f247e4dd3f 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 |