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| author | Jaedon Shin <jaedon.shin@gmail.com> | 2017-06-16 14:03:01 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-11-15 12:09:17 +0300 |
| commit | 243fcd24f06e8b0923b6d17196b4ddbf6ab86fd6 (patch) | |
| tree | 63d3cf2902b828c5c590929e435d4cdb25be6fae | |
| parent | 6ae2018d98f41298607f5f98deddbd9064e6165d (diff) | |
| download | linux-243fcd24f06e8b0923b6d17196b4ddbf6ab86fd6.tar.xz | |
MIPS: BMIPS: Fix missing cbr address
commit ea4b3afe1eac8f88bb453798a084fba47a1f155a upstream.
Fix NULL pointer access in BMIPS3300 RAC flush.
Fixes: 738a3f79027b ("MIPS: BMIPS: Add early CPU initialization code")
Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/16423/
Signed-off-by: James Hogan <jhogan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | arch/mips/kernel/smp-bmips.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c index 1b070a76fcdd..5e0d87f4958f 100644 --- a/arch/mips/kernel/smp-bmips.c +++ b/arch/mips/kernel/smp-bmips.c @@ -589,11 +589,11 @@ void __init bmips_cpu_setup(void) /* Flush and enable RAC */ cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG); - __raw_writel(cfg | 0x100, BMIPS_RAC_CONFIG); + __raw_writel(cfg | 0x100, cbr + BMIPS_RAC_CONFIG); __raw_readl(cbr + BMIPS_RAC_CONFIG); cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG); - __raw_writel(cfg | 0xf, BMIPS_RAC_CONFIG); + __raw_writel(cfg | 0xf, cbr + BMIPS_RAC_CONFIG); __raw_readl(cbr + BMIPS_RAC_CONFIG); cfg = __raw_readl(cbr + BMIPS_RAC_ADDRESS_RANGE); |