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ARM: 8592/1: cache-l2x0.c: Replace magic numbers

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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>
This commit is contained in:
Andrey Smirnov
2016-08-03 20:29:38 +01:00
committed by Russell King
parent 7d281b620d
commit fc1473103c
1 changed files with 4 additions and 2 deletions
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6
arch/arm/mm/cache-l2x0.c
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@@ -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";
}