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x86 MTRR: Drop unused return value 

It was never well-defined what value this function should return.

Change-Id: If84aff86e0b556591d7ad557842910a2dfcd3b46
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/6166
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
This commit is contained in:
Kyösti Mälkki 2014-06-30 13:48:18 +03:00
parent 599cda8228
commit 38a8fb0c18
2 changed files with 2 additions and 3 deletions
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3
src/cpu/x86/mtrr/mtrr.c
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@ -772,7 +772,7 @@ void x86_setup_mtrrs(void)
x86_setup_var_mtrrs(address_size, 1); x86_setup_var_mtrrs(address_size, 1);
} }
int x86_mtrr_check(void) void x86_mtrr_check(void)
{ {
/* Only Pentium Pro and later have MTRR */ /* Only Pentium Pro and later have MTRR */
msr_t msr; msr_t msr;
@ -795,5 +795,4 @@ int x86_mtrr_check(void)
printk(BIOS_DEBUG, "\n"); printk(BIOS_DEBUG, "\n");
post_code(0x93); post_code(0x93);
return ((int) msr.lo);
} }

2
src/include/cpu/x86/mtrr.h
View File

@ -66,7 +66,7 @@ void enable_fixed_mtrr(void);
void x86_setup_fixed_mtrrs(void); void x86_setup_fixed_mtrrs(void);
/* Set up fixed MTRRs but do not enable them. */ /* Set up fixed MTRRs but do not enable them. */
void x86_setup_fixed_mtrrs_no_enable(void); void x86_setup_fixed_mtrrs_no_enable(void);
int x86_mtrr_check(void); void x86_mtrr_check(void);
#endif #endif
#if !defined(__ASSEMBLER__) && defined(__PRE_RAM__) && !defined(__ROMCC__) #if !defined(__ASSEMBLER__) && defined(__PRE_RAM__) && !defined(__ROMCC__)