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authorAndrey Smirnov <andrew.smirnov@gmail.com>2016-08-03 21:29:38 +0200
committerRussell King <rmk+kernel@armlinux.org.uk>2016-08-12 17:47:03 +0200
commitfc1473103cfa0b785dd3ff8de2430fec42cfc8ad (patch)
treeb92445c289abed453b0ac235e691e20bceaea1a9 /arch/arm/mm/cache-l2x0.c
parentARM: 8589/1: asm/memory.h: remove dead definitions (diff)
downloadlinux-fc1473103cfa0b785dd3ff8de2430fec42cfc8ad.tar.xz
linux-fc1473103cfa0b785dd3ff8de2430fec42cfc8ad.zip
ARM: 8592/1: cache-l2x0.c: Replace magic numbers
Replace magic numbers used for L310 Prefetch Control Register Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/cache-l2x0.c')
-rw-r--r--arch/arm/mm/cache-l2x0.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index cc12905ae6f8..7e624872bd6f 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -710,8 +710,10 @@ static void __init l2c310_fixup(void __iomem *base, u32 cache_id,
revision < L310_CACHE_ID_RTL_R3P2) {
u32 val = l2x0_saved_regs.prefetch_ctrl;
/* I don't think bit23 is required here... but iMX6 does so */
- if (val & (BIT(30) | BIT(23))) {
- val &= ~(BIT(30) | BIT(23));
+ if (val & (L310_PREFETCH_CTRL_DBL_LINEFILL |
+ L310_PREFETCH_CTRL_DBL_LINEFILL_INCR)) {
+ val &= ~(L310_PREFETCH_CTRL_DBL_LINEFILL |
+ L310_PREFETCH_CTRL_DBL_LINEFILL_INCR);
l2x0_saved_regs.prefetch_ctrl = val;
errata[n++] = "752271";
}