diff options
| author | Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> | 2009-02-19 16:50:46 +0100 |
|---|---|---|
| committer | Kyle McMartin <kyle@mcmartin.ca> | 2009-04-02 01:05:31 +0000 |
| commit | 2ceb3ad705aa1abe6656b038bb9f4a6b1201cc35 (patch) | |
| tree | 2ba21ba2d78d98cc442958a429bd602319e650c8 | |
| parent | 3afe6d04626f8de87b15150a30b78df492ab68ee (diff) | |
| download | linux-2ceb3ad705aa1abe6656b038bb9f4a6b1201cc35.tar.bz2 | |
m68k: Hook up rtc-generic
m68k has been a long time user of the generic RTC abstraction, so hook up
rtc-generic:
- Create the "rtc-generic" platform device if mach_hwclk is set,
- Add checks for mach_hwclk, in anticipation of RTC chip drivers being moved
to drivers/rtc/.
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
| -rw-r--r-- | arch/m68k/include/asm/rtc.h | 7 | ||||
| -rw-r--r-- | arch/m68k/kernel/time.c | 18 | ||||
| -rw-r--r-- | drivers/rtc/Kconfig | 2 |
3 files changed, 24 insertions, 3 deletions
diff --git a/arch/m68k/include/asm/rtc.h b/arch/m68k/include/asm/rtc.h index 5d3e03859844..a4d08ea122ee 100644 --- a/arch/m68k/include/asm/rtc.h +++ b/arch/m68k/include/asm/rtc.h @@ -36,13 +36,16 @@ static inline unsigned int get_rtc_time(struct rtc_time *time) * RTC has RTC_DAY_OF_WEEK, we ignore it, as it is only updated * by the RTC when initially set to a non-zero value. */ - mach_hwclk(0, time); + if (mach_hwclk) + mach_hwclk(0, time); return RTC_24H; } static inline int set_rtc_time(struct rtc_time *time) { - return mach_hwclk(1, time); + if (mach_hwclk) + return mach_hwclk(1, time); + return -EINVAL; } static inline unsigned int get_rtc_ss(void) diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c index 7db41594d7b6..54d980795fc4 100644 --- a/arch/m68k/kernel/time.c +++ b/arch/m68k/kernel/time.c @@ -18,6 +18,7 @@ #include <linux/string.h> #include <linux/mm.h> #include <linux/rtc.h> +#include <linux/platform_device.h> #include <asm/machdep.h> #include <asm/io.h> @@ -159,3 +160,20 @@ int do_settimeofday(struct timespec *tv) } EXPORT_SYMBOL(do_settimeofday); + + +static int __init rtc_init(void) +{ + struct platform_device *pdev; + + if (!mach_hwclk) + return -ENODEV; + + pdev = platform_device_register_simple("rtc-generic", -1, NULL, 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + return 0; +} + +module_init(rtc_init); diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 13df5133020a..5aab5b917c8b 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -692,7 +692,7 @@ config RTC_DRV_GENERIC tristate "Generic RTC support" # Please consider writing a new RTC driver instead of using the generic # RTC abstraction - depends on PARISC + depends on PARISC || M68K help Say Y or M here to enable RTC support on systems using the generic RTC abstraction. If you do not know what you are doing, you should |