brcm47xx: describe 160-kmap_coherent.patch

It was initially commited in r6642.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@47057 3c298f89-4303-0410-b956-a3cf2f4a3e73

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 2df8f04..f66e759 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 @@