diff options
author | RongQing.Li <roy.qing.li@gmail.com> | 2012-07-02 00:34:30 -0400 |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 2012-08-27 10:10:13 -0400 |
commit | 2bd4082776ff17a0d0d565852afb422931c2f6f2 (patch) | |
tree | 91e05d4d07dc50cb22e4ca66161f55124f139854 /arch | |
parent | fea7a08acb13524b47711625eebea40a0ede69a0 (diff) |
MIPS: CMP/SMTC: Fix tc_id calculation
Currently the tc_id code is:
(read_c0_tcbind() >> TCBIND_CURTC_SHIFT) & TCBIND_CURTC;
After processing this becomes:
(read_c0_tcbind() >> 21) & ((0xff) << 21)
But it should be:
(read_c0_tcbind() & ((0xff)<< 21)) >> 21
Signed-off-by: RongQing.Li <roy.qing.li@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4077/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/mips/kernel/smp-cmp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/kernel/smp-cmp.c b/arch/mips/kernel/smp-cmp.c index e7e03ecf5495..afc379ca3753 100644 --- a/arch/mips/kernel/smp-cmp.c +++ b/arch/mips/kernel/smp-cmp.c | |||
@@ -102,7 +102,7 @@ static void cmp_init_secondary(void) | |||
102 | c->vpe_id = (read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE; | 102 | c->vpe_id = (read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE; |
103 | #endif | 103 | #endif |
104 | #ifdef CONFIG_MIPS_MT_SMTC | 104 | #ifdef CONFIG_MIPS_MT_SMTC |
105 | c->tc_id = (read_c0_tcbind() >> TCBIND_CURTC_SHIFT) & TCBIND_CURTC; | 105 | c->tc_id = (read_c0_tcbind() & TCBIND_CURTC) >> TCBIND_CURTC_SHIFT; |
106 | #endif | 106 | #endif |
107 | } | 107 | } |
108 | 108 | ||