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| author |   Jiaxun Yang <jiaxun.yang@flygoat.com> | 2019-01-22 21:04:11 +0800 |
|---|---|---|
| committer |   Paul Burton <paul.burton@mips.com> | 2019-01-22 17:32:01 -0800 |
| commit | bdea8bb16345aa62622bfe199f9e2ee9a0daa6d9 (patch) | |
| tree | 2a2cc3dd0f3b79616010aa1157d00f55315693fe /arch | |
| parent | MIPS: Loongson32: Set load address to 0x80200000 (diff) | |
| download | linux-dev-bdea8bb16345aa62622bfe199f9e2ee9a0daa6d9.tar.xz linux-dev-bdea8bb16345aa62622bfe199f9e2ee9a0daa6d9.zip | |
MIPS: Loongson32: workaround di issue
GS232 core used in Loongson-1 processors has a bug that
di instruction doesn't save the irqflag immediately.
Workaround by set irqflag in CP0 before di instructions
as same as Loongson-3.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Cc: keguang.zhang@gmail.com
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/include/asm/irqflags.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/include/asm/irqflags.h b/arch/mips/include/asm/irqflags.h index 9d3610be2323..f0b862a83816 100644 --- a/arch/mips/include/asm/irqflags.h +++ b/arch/mips/include/asm/irqflags.h @@ -41,7 +41,7 @@ static inline unsigned long arch_local_irq_save(void) " .set push \n" " .set reorder \n" " .set noat \n" -#if defined(CONFIG_CPU_LOONGSON3) +#if defined(CONFIG_CPU_LOONGSON3) || defined (CONFIG_CPU_LOONGSON1) " mfc0 %[flags], $12 \n" " di \n" #else |