linux-kernel - [PATCH v3 3/5] i.MX: system.c: Replace magic numbers

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1466296268-27099-6-git-send-email-andrew.smirnov@gmail.com>
Date:	Sat, 18 Jun 2016 17:31:06 -0700
From:	Andrey Smirnov <andrew.smirnov@...il.com>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Andrey Smirnov <andrew.smirnov@...il.com>,
	Russell King <linux@....linux.org.uk>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <kernel@...gutronix.de>,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>, Arnd Bergmann <arnd@...db.de>,
	linux-kernel@...r.kernel.org
Subject: [PATCH v3 3/5] i.MX: system.c: Replace magic numbers

Replace magic numbers used to form L310 Prefetch Control Register value.

Acked-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Andrey Smirnov <andrew.smirnov@...il.com>
---
 arch/arm/mach-imx/system.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-imx/system.c b/arch/arm/mach-imx/system.c
index b153376..7ba9dc8 100644
--- a/arch/arm/mach-imx/system.c
+++ b/arch/arm/mach-imx/system.c
@@ -109,7 +109,10 @@ void __init imx_init_l2cache(void)
 	if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) {
 		/* Configure the L2 PREFETCH and POWER registers */
 		val = readl_relaxed(l2x0_base + L310_PREFETCH_CTRL);
-		val |= 0x70800000;
+		val |= L310_PREFETCH_CTRL_DBL_
+			L310_PREFETCH_CTRL_INSTR_PREFETCH |
+			L310_PREFETCH_CTRL_DATA_PREFETCH |
+			L310_PREFETCH_CTRL_DBL_LINEFILL_INCR;
 		writel_relaxed(val, l2x0_base + L310_PREFETCH_CTRL);
 	}
 
-- 
2.5.5