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[1/2] ARM: cache-l2x0.c: Replace magic numbers

Message ID 1466296268-27099-2-git-send-email-andrew.smirnov@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Andrey Smirnov June 19, 2016, 12:31 a.m. UTC 
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>
---
 arch/arm/mm/cache-l2x0.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
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Patch

diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index 9f9d542..30e2012 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -716,8 +716,10 @@  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";
 		}