From: Mike Frysinger <vapier@gentoo.org>
Date: Fri, 24 Apr 2009 03:17:07 +0000 (+0000)
Subject: Blackfin: add note about anomaly 05000242 being worked around
X-Git-Tag: v2.6.31-rc1~361^2~25
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=97b070c8e7e82be30c8a3bf19e69b8c0c71f1fac;p=thirdparty%2Flinux.git

Blackfin: add note about anomaly 05000242 being worked around

Document anomaly 05000242 workaround in source code.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---

diff --git a/arch/blackfin/mach-common/clocks-init.c b/arch/blackfin/mach-common/clocks-init.c
index 35393651359bf..ef6870e9eea6d 100644
--- a/arch/blackfin/mach-common/clocks-init.c
+++ b/arch/blackfin/mach-common/clocks-init.c
@@ -72,6 +72,7 @@ void init_clocks(void)
 #endif
 	bfin_write_PLL_LOCKCNT(0x300);
 	do_sync();
+	/* We always write PLL_CTL thus avoiding Anomaly 05000242 */
 	bfin_write16(PLL_CTL, PLL_CTL_VAL);
 	__asm__ __volatile__("IDLE;");
 	bfin_write_PLL_DIV(CONFIG_CCLK_ACT_DIV | CONFIG_SCLK_DIV);