From: Chris R Blake <chrisrblak...@gmail.com>

The MR18 stores the ath9k eeprom values on the NAND.
This patch makes it possible to retrieve the images
from there.

Signed-off-by: Chris R Blake <chrisrblak...@gmail.com>
---
 package/base-files/files/lib/functions/system.sh        | 17 +++++++++++++++++
 .../base-files/etc/hotplug.d/firmware/10-ath9k-eeprom   |  6 +++++-
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/package/base-files/files/lib/functions/system.sh 
b/package/base-files/files/lib/functions/system.sh
index 8d75a5a..928a429 100644
--- a/package/base-files/files/lib/functions/system.sh
+++ b/package/base-files/files/lib/functions/system.sh
@@ -41,6 +41,23 @@ mtd_get_mac_binary() {
        dd bs=1 skip=$offset count=6 if=$part 2>/dev/null | hexdump -v -n 6 -e 
'5/1 "%02x:" 1/1 "%02x"'
 }
 
+mtd_get_mac_binary_ubi() {
+       local mtdname="$1"
+       local offset="$2"
+
+       . /lib/upgrade/nand.sh
+
+       local ubidev=$( nand_find_ubi $CI_UBIPART )
+       local part="$( nand_find_volume $ubidev $1 )"
+
+       if [ -z "$part" ]; then
+               echo "mtd_get_mac_binary: ubi partition $mtdname not found!" >&2
+               return
+       fi
+
+       dd bs=1 skip=$offset count=6 if=/dev/$part 2>/dev/null | hexdump -v -n 
6 -e '5/1 "%02x:" 1/1 "%02x"'
+}
+
 mtd_get_part_size() {
        local part_name=$1
        local first dev size erasesize name
diff --git 
a/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom 
b/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
index b5f0588..7287809 100644
--- a/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
+++ b/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
@@ -9,11 +9,14 @@ ath9k_eeprom_extract() {
        local part=$1
        local offset=$2
        local count=$3
+       local ubidev=$( nand_find_ubi $CI_UBIPART )
        local mtd
 
        mtd=$(find_mtd_chardev $part)
        [ -n "$mtd" ] || \
-               ath9k_eeprom_die "no mtd device found for partition $part"
+               mtd="/dev/$(nand_find_volume $ubidev $part)"
+               [ -n "$mtd" ] || \
+                       ath9k_eeprom_die "no mtd device found for partition 
$part"
 
        dd if=$mtd of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 
2>/dev/null || \
                ath9k_eeprom_die "failed to extract from $mtd"
@@ -32,6 +35,7 @@ ath9k_patch_firmware_mac() {
 . /lib/ar71xx.sh
 . /lib/functions.sh
 . /lib/functions/system.sh
+. /lib/upgrade/nand.sh
 
 board=$(ar71xx_board_name)
 
-- 
2.6.2
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