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| author | Jisheng Zhang <Jisheng.Zhang@synaptics.com> | 2018-05-07 15:28:06 +0800 |
|---|---|---|
| committer | Jisheng Zhang <Jisheng.Zhang@synaptics.com> | 2018-05-24 14:49:09 +0800 |
| commit | e03b48098ed8729e643b8d9b13a5b250fc403ad2 (patch) | |
| tree | 8a46ef963a863e6634c65446d1ebb308b85666d4 /arch/arm/mach-berlin/platsmp.c | |
| parent | 2e554390ab8470e9f8bccfd602395c3b4c19c37e (diff) | |
| download | lwn-e03b48098ed8729e643b8d9b13a5b250fc403ad2.tar.gz lwn-e03b48098ed8729e643b8d9b13a5b250fc403ad2.zip | |
arm: berlin: remove non-necessary flush_cache_all()
I believe the flush_cache_all() after scu_enable() is to "Ensure that
the data accessed by CPU0 before the SCU was initialised is visible
to the other CPUs." as commented in scu_enable(). So here
flush_cache_all() is a duplication, remove it.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Diffstat (limited to 'arch/arm/mach-berlin/platsmp.c')
| -rw-r--r-- | arch/arm/mach-berlin/platsmp.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/arm/mach-berlin/platsmp.c b/arch/arm/mach-berlin/platsmp.c index 7586b7aec272..a8ae4a566d99 100644 --- a/arch/arm/mach-berlin/platsmp.c +++ b/arch/arm/mach-berlin/platsmp.c @@ -81,7 +81,6 @@ static void __init berlin_smp_prepare_cpus(unsigned int max_cpus) goto unmap_scu; scu_enable(scu_base); - flush_cache_all(); /* * Write the first instruction the CPU will execute after being reset |