diff options
| author | Krishna Reddy <vdumpa@nvidia.com> | 2012-08-21 18:51:22 -0700 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-08-24 18:12:20 -0700 |
| commit | 59983fe4193541acfd8c7df7bf98139e2ec44d11 (patch) | |
| tree | e658434efbc58a0b769a3e3bdf27ee84e411cdee /arch | |
| parent | d07ff495e37de161764204121324dab6c1e5ff2a (diff) | |
Revert "arm: tegra: Enable speculative line fill in SCU."
This reverts commit 06c880a6086183173c361b4a9d4f8047c6a39769.
This CL is reverted as it causes write perf regression with lmbench(bw_mem)
benchmark.
Bug 1026077
Change-Id: I7ff9ffbfe74e2083aa43cab75b694b1c61987bc3
Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>
Reviewed-on: http://git-master/r/125097
Reviewed-by: Aleksandr Frid <afrid@nvidia.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-tegra/headsmp.S | 3 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/platsmp.c | 8 |
2 files changed, 0 insertions, 11 deletions
diff --git a/arch/arm/mach-tegra/headsmp.S b/arch/arm/mach-tegra/headsmp.S index 59345cfb299d..2fa96381f68f 100644 --- a/arch/arm/mach-tegra/headsmp.S +++ b/arch/arm/mach-tegra/headsmp.S @@ -82,9 +82,6 @@ ENTRY(tegra_resume) mov32 r0, TEGRA_ARM_PERIF_BASE ldr r1, [r0] orr r1, r1, #1 -#if defined(CONFIG_HAVE_ARM_SCU) - orr r1, r1, #(1 << 3) @ Enabled SCU speculative line fill. -#endif str r1, [r0] #ifdef CONFIG_TRUSTED_FOUNDATIONS diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c index b2261b025310..dbd302414c67 100644 --- a/arch/arm/mach-tegra/platsmp.c +++ b/arch/arm/mach-tegra/platsmp.c @@ -296,13 +296,5 @@ void __init platform_smp_prepare_cpus(unsigned int max_cpus) smp_init_cpus() which also means that it did not initialize the reset handler. Do it now before the secondary CPUs are started. */ tegra_cpu_reset_handler_init(); - -#if defined(CONFIG_HAVE_ARM_SCU) - { - u32 scu_ctrl = __raw_readl(scu_base) | 1 << 3; - if (!(scu_ctrl & 1)) - __raw_writel(scu_ctrl, scu_base); - } -#endif scu_enable(scu_base); } |