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MIPS: kernel: cpu-bugs64: Do not check R6 cores for existing 64-bit bugs

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The current HW bugs checked in cpu-bugs64, do not apply to R6 cores
and they cause compilation problems due to removed <R6 instructions,
so do not check for them for the time being.

Reviewed-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
This commit is contained in:
Leonid Yegoshin 2014-11-24 09:59:02 +00:00 committed by Markos Chandras
parent 82e7ce8149
commit 180b1e3bfe
1 changed files with 7 additions and 4 deletions
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11
arch/mips/kernel/cpu-bugs64.c
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@ -244,7 +244,7 @@ static inline void check_daddi(void)
panic(bug64hit, !DADDI_WAR ? daddiwar : nowar);
}
int daddiu_bug = -1;
int daddiu_bug = config_enabled(CONFIG_CPU_MIPSR6) ? 0 : -1;
static inline void check_daddiu(void)
{
@ -314,11 +314,14 @@ static inline void check_daddiu(void)
void __init check_bugs64_early(void)
{
check_mult_sh();
check_daddiu();
if (!config_enabled(CONFIG_CPU_MIPSR6)) {
check_mult_sh();
check_daddiu();
}
}
void __init check_bugs64(void)
{
check_daddi();
if (!config_enabled(CONFIG_CPU_MIPSR6))
check_daddi();
}