brcm47xx: describe 160-kmap_coherent.patch

It was initially commited in r6642.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
SVN-Revision: 47057

diff --git a/target/linux/brcm47xx/patches-4.1/160-kmap_coherent.patch b/target/linux/brcm47xx/patches-4.1/160-kmap_coherent.patch
index 2df8f0481bfbe4de323e21e1cfc9c020a89c269f..f66e75956b3df73a6307092ad6732ddbd90037d1 100644 (file)
--- a/target/linux/brcm47xx/patches-4.1/160-kmap_coherent.patch
+++ b/target/linux/brcm47xx/patches-4.1/160-kmap_coherent.patch
@@ -1,3 +1,11 @@
+From: Jeff Hansen <jhansen@cardaccess-inc.com>
+Subject: [PATCH] kmap_coherent
+
+On ASUS WL-500gP there are some "Data bus error"s when executing simple
+commands liks "ps" or "cat /proc/1/cmdline".
+
+This fixes OpenWrt ticket #1485: https://dev.openwrt.org/ticket/1485
+---
 --- a/arch/mips/include/asm/cpu-features.h
 +++ b/arch/mips/include/asm/cpu-features.h
 @@ -158,6 +158,9 @@