From 4f7a0601e665b863a5e4157de33b3d78b6393d3c Mon Sep 17 00:00:00 2001
From: Mathias Kresin <dev@kresin.me>
Date: Fri, 4 Nov 2016 07:43:40 +0100
Subject: [PATCH] mac80211: rt2x00: add mtd-eeprom swab function
Most of the lantiq devices with ralink wifi have the EEPROM stored
in big endian byte order in flash, but the driver expects the EEPROM to
be in little endian.
Signed-off-by: Mathias Kresin <dev@kresin.me>
---
...-eeprom-on-SoC-from-a-mtd-device-defines-.patch | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/package/kernel/mac80211/patches/605-rt2x00-load-eeprom-on-SoC-from-a-mtd-device-defines-.patch b/package/kernel/mac80211/patches/605-rt2x00-load-eeprom-on-SoC-from-a-mtd-device-defines-.patch
index 6c264effce..a98b49c541 100644
--- a/package/kernel/mac80211/patches/605-rt2x00-load-eeprom-on-SoC-from-a-mtd-device-defines-.patch
+++ b/package/kernel/mac80211/patches/605-rt2x00-load-eeprom-on-SoC-from-a-mtd-device-defines-.patch
@@ -7,8 +7,8 @@ Subject: [PATCH] rt2x00: load eeprom on SoC from a mtd device defines inside
Signed-off-by: John Crispin <blogic@openwrt.org>
---
drivers/net/wireless/ralink/rt2x00/Kconfig | 1 +
- drivers/net/wireless/ralink/rt2x00/rt2x00eeprom.c | 61 +++++++++++++++++++++++
- 2 files changed, 62 insertions(+)
+ drivers/net/wireless/ralink/rt2x00/rt2x00eeprom.c | 65 +++++++++++++++++++++++
+ 2 files changed, 66 insertions(+)
--- a/drivers/net/wireless/ralink/rt2x00/Kconfig
+++ b/drivers/net/wireless/ralink/rt2x00/Kconfig
@@ -22,7 +22,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
Supported chips: RT2880, RT3050, RT3052, RT3350, RT3352.
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00eeprom.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00eeprom.c
-@@ -26,11 +26,69 @@
+@@ -26,11 +26,73 @@
#include <linux/kernel.h>
#include <linux/module.h>
@@ -40,7 +40,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ static struct firmware mtd_fw;
+ struct device_node *np = rt2x00dev->dev->of_node, *mtd_np = NULL;
+ size_t retlen, len = rt2x00dev->ops->eeprom_size;
-+ int size, offset = 0;
++ int i, size, offset = 0;
+ struct mtd_info *mtd;
+ const char *part;
+ const __be32 *list;
@@ -79,6 +79,10 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ return ret;
+ }
+
++ if (of_find_property(np, "ralink,mtd-eeprom-swap", NULL))
++ for (i = 0; i < len/sizeof(u16); i++)
++ rt2x00dev->eeprom[i] = swab16(rt2x00dev->eeprom[i]);
++
+ rt2x00dev->eeprom_file = &mtd_fw;
+ mtd_fw.size = len;
+ mtd_fw.data = (const u8 *) rt2x00dev->eeprom;
@@ -92,7 +96,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
static const char *
rt2x00lib_get_eeprom_file_name(struct rt2x00_dev *rt2x00dev)
{
-@@ -58,6 +116,9 @@ static int rt2x00lib_request_eeprom_file
+@@ -58,6 +120,9 @@ static int rt2x00lib_request_eeprom_file
const char *ee_name;
int retval;
--
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