diff options
| author | Tiezhu Yang <yangtiezhu@loongson.cn> | 2020-11-03 10:12:00 +0300 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2020-11-12 01:51:47 +0300 |
| commit | 4d1b3ac886b5c03e966199edcc7e0efddd5c4cb2 (patch) | |
| tree | 12ba3916ea81faf781f8cdfd925f4ea20d878b98 /arch/mips/include/asm/mach-loongson64 | |
| parent | 4abaacc704729ec93a6ca23f6b3a92532337959b (diff) | |
| download | linux-4d1b3ac886b5c03e966199edcc7e0efddd5c4cb2.tar.xz | |
MIPS: Loongson64: Do not write the read only field LPA of CP0_CONFIG3
The field LPA of CP0_CONFIG3 register is read only for Loongson64, so the
write operations are meaningless, remove them.
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/include/asm/mach-loongson64')
| -rw-r--r-- | arch/mips/include/asm/mach-loongson64/kernel-entry-init.h | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h b/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h index 87a5bfbf8cfe..e4d77f4f0fe3 100644 --- a/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h +++ b/arch/mips/include/asm/mach-loongson64/kernel-entry-init.h @@ -19,10 +19,6 @@ .macro kernel_entry_setup .set push .set mips64 - /* Set LPA on LOONGSON3 config3 */ - mfc0 t0, CP0_CONFIG3 - or t0, (0x1 << 7) - mtc0 t0, CP0_CONFIG3 /* Set ELPA on LOONGSON3 pagegrain */ mfc0 t0, CP0_PAGEGRAIN or t0, (0x1 << 29) @@ -54,10 +50,6 @@ .macro smp_slave_setup .set push .set mips64 - /* Set LPA on LOONGSON3 config3 */ - mfc0 t0, CP0_CONFIG3 - or t0, (0x1 << 7) - mtc0 t0, CP0_CONFIG3 /* Set ELPA on LOONGSON3 pagegrain */ mfc0 t0, CP0_PAGEGRAIN or t0, (0x1 << 29) |