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authorMarkos Chandras <markos.chandras@imgtec.com>2015-07-09 11:40:50 +0200
committerRalf Baechle <ralf@linux-mips.org>2015-08-26 15:23:17 +0200
commitc982c6d6c48b48159db481581cadbb8773219677 (patch)
tree78fdd17d2a30c16fb6a09cf709f01d22e2104c90 /arch/mips/kernel/cpu-probe.c
parentIRQCHIP: irq-mips-gic: Add support for CM3 64-bit timer irqs (diff)
downloadlinux-c982c6d6c48b48159db481581cadbb8773219677.tar.xz
linux-c982c6d6c48b48159db481581cadbb8773219677.zip
MIPS: cpu-probe: Remove cp0 hazard barrier when enabling the FTLB
We are so early in the boot process where we really don't want to stall and wait for CP0 FTLB related changes become visible so just drop the cp0 hazard barrier. Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/10649/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/cpu-probe.c')
-rw-r--r--arch/mips/kernel/cpu-probe.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 02b75127dad3..dc057f37305b 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -385,7 +385,6 @@ static void set_ftlb_enable(struct cpuinfo_mips *c, int enable)
else
/* Disable FTLB */
write_c0_config6(config6 & ~MIPS_CONF6_FTLBEN);
- back_to_back_c0_hazard();
break;
}
}