summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJaedon Shin <jaedon.shin@gmail.com>2017-06-16 20:03:01 +0900
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-11-15 15:53:19 +0100
commitb17e663e150cd97728a270195695cac25910782f (patch)
tree5a4e7da2abdae6c959de2c2ee2f56aebf51b31c2
parentbbc62fb031a69581d11a72684de12f4bb6f23742 (diff)
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.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c
index 6d0f1321e084..47c9646f93b3 100644
--- a/arch/mips/kernel/smp-bmips.c
+++ b/arch/mips/kernel/smp-bmips.c
@@ -587,11 +587,11 @@ 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);