From d7b98e3dd87b4512462f6cdfe646a8e59673e62e Mon Sep 17 00:00:00 2001 From: Geoff Levand Date: Sun, 7 Oct 2007 07:35:46 +1000 Subject: [POWERPC] PS3: Add os-area rtc_diff set/get routines Updates for PS3 os-area rtc_diff set/get routines o Add a new routine ps3_os_area_set_rtc_diff(). o Rename ps3_os_area_rtc_diff() to ps3_os_area_get_rtc_diff(). o Remove static variable rtc_shift with calls to ps3_os_area_get_rtc_diff(). Signed-off-by: Geoff Levand Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/ps3/os-area.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) (limited to 'arch/powerpc/platforms/ps3/os-area.c') diff --git a/arch/powerpc/platforms/ps3/os-area.c b/arch/powerpc/platforms/ps3/os-area.c index db311a147c28..473aee8580ce 100644 --- a/arch/powerpc/platforms/ps3/os-area.c +++ b/arch/powerpc/platforms/ps3/os-area.c @@ -261,15 +261,30 @@ void __init ps3_os_area_save_params(void) } /** - * ps3_os_area_rtc_diff - Returns the rtc diff value. + * ps3_os_area_get_rtc_diff - Returns the rtc diff value. */ -u64 ps3_os_area_rtc_diff(void) +u64 ps3_os_area_get_rtc_diff(void) { return saved_params.rtc_diff ? saved_params.rtc_diff : SECONDS_FROM_1970_TO_2000; } +/** + * ps3_os_area_set_rtc_diff - Set the rtc diff value. + * + * An asynchronous write is needed to support writing updates from + * the timer interrupt context. + */ + +void ps3_os_area_set_rtc_diff(u64 rtc_diff) +{ + if (saved_params.rtc_diff != rtc_diff) { + saved_params.rtc_diff = rtc_diff; + os_area_queue_work(); + } +} + /** * ps3_os_area_get_av_multi_out - Returns the default video mode. */ -- cgit v1.2.1