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Commit d7b98e3d authored by Geoff Levand's avatar Geoff Levand Committed by Paul Mackerras
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[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: default avatarGeoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 418ef209

arch/powerpc/platforms/ps3/os-area.c

+17 −2
Original line number Diff line number Diff line
@@ -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.

 */

arch/powerpc/platforms/ps3/platform.h

+2 −1
Original line number Diff line number Diff line
@@ -63,7 +63,8 @@ int ps3_set_rtc_time(struct rtc_time *time); 
/* os area */



void __init ps3_os_area_save_params(void);

u64 ps3_os_area_rtc_diff(void);

u64 ps3_os_area_get_rtc_diff(void);

void ps3_os_area_set_rtc_diff(u64 rtc_diff);



/* spu */

arch/powerpc/platforms/ps3/time.c

+3 −11
Original line number Diff line number Diff line
@@ -50,12 +50,6 @@ static void __maybe_unused _dump_time(int time, const char *func, 
	_dump_tm(&tm, func, line);

}



/**

 * rtc_shift - Difference in seconds between 1970 and the ps3 rtc value.

 */



static s64 rtc_shift;



void __init ps3_calibrate_decr(void)

{

	int result;
@@ -66,8 +60,6 @@ void __init ps3_calibrate_decr(void) 


	ppc_tb_freq = tmp;

	ppc_proc_freq = ppc_tb_freq * 40;



	rtc_shift = ps3_os_area_rtc_diff();

}



static u64 read_rtc(void)
@@ -87,18 +79,18 @@ int ps3_set_rtc_time(struct rtc_time *tm) 
	u64 now = mktime(tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,

		tm->tm_hour, tm->tm_min, tm->tm_sec);



	rtc_shift = now - read_rtc();

	ps3_os_area_set_rtc_diff(now - read_rtc());

	return 0;

}



void ps3_get_rtc_time(struct rtc_time *tm)

{

	to_tm(read_rtc() + rtc_shift, tm);

	to_tm(read_rtc() + ps3_os_area_get_rtc_diff(), tm);

	tm->tm_year -= 1900;

	tm->tm_mon -= 1;

}



unsigned long __init ps3_get_boot_time(void)

{

	return read_rtc() + rtc_shift;

	return read_rtc() + ps3_os_area_get_rtc_diff();

}