linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andrey Smirnov <andrew.smirnov@gmail.com>
To: linux-arm-kernel@lists.infradead.org
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>,
	Russell King <linux@arm.linux.org.uk>,
	Arnd Bergmann <arnd@arndb.de>,
	linux-kernel@vger.kernel.org
Subject: [RESEND PATCH 1/2] ARM: cache-l2x0.c: Replace magic numbers
Date: Thu, 28 Jul 2016 17:48:41 -0700	[thread overview]
Message-ID: <1469753322-11407-1-git-send-email-andrew.smirnov@gmail.com> (raw)

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(-)

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";
 		}
-- 
2.5.5

             reply	other threads:[~2016-07-29  0:49 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-29  0:48 Andrey Smirnov [this message]
2016-07-29  0:48 ` [RESEND PATCH 2/2] ARM: cache-l2x0.c: Do not clear bit 23 in prefetch control register Andrey Smirnov
2016-07-29  8:30 ` [RESEND PATCH 1/2] ARM: cache-l2x0.c: Replace magic numbers Arnd Bergmann
  -- strict thread matches above, loose matches on Subject: below --
2016-06-28  4:34 Andrey Smirnov

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1469753322-11407-1-git-send-email-andrew.smirnov@gmail.com \
    --to=andrew.smirnov@gmail.com \
    --cc=arnd@arndb.de \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@arm.linux.org.uk \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).