Commit fc147310 authored by Andrey Smirnov's avatar Andrey Smirnov Committed by Russell King
Browse files

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



Replace magic numbers used for L310 Prefetch Control Register

Acked-by: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarAndrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 7d281b62

arch/arm/mm/cache-l2x0.c

+4 −2
Original line number Diff line number Diff line
@@ -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";

		}