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Commit aab69292 authored by Josh Boyer's avatar Josh Boyer
Browse files

[POWERPC] 40x decrementer fixes 



Allow generic_calibrate_decr to work for 40x platforms.  Given that the hardware
behavior is identical, this also changes the set_dec function to reload the PIT
on 40x to match the behavior 44x currently has.

Signed-off-by: default avatarJosh Boyer <jwboyer@linux.vnet.ibm.com>
parent 4d922c8d

arch/powerpc/kernel/time.c

+1 −1
Original line number Diff line number Diff line
@@ -866,7 +866,7 @@ void __init generic_calibrate_decr(void) 
				"(not found)\n");

	}



#ifdef CONFIG_BOOKE

#if defined(CONFIG_BOOKE) || defined(CONFIG_40x)

	/* Set the time base to zero */

	mtspr(SPRN_TBWL, 0);

	mtspr(SPRN_TBWU, 0);

include/asm-powerpc/time.h

+1 −1
Original line number Diff line number Diff line
@@ -174,7 +174,7 @@ static inline unsigned int get_dec(void) 
static inline void set_dec(int val)

{

#if defined(CONFIG_40x)

	return;		/* Have to let it auto-reload */

	mtspr(SPRN_PIT, val);

#elif defined(CONFIG_8xx_CPU6)

	set_dec_cpu6(val);

#else