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authorMathias Kresin <dev@kresin.me>2016-11-04 07:43:40 +0100
committerJohn Crispin <john@phrozen.org>2016-11-08 11:17:11 +0100
commit4f7a0601e665b863a5e4157de33b3d78b6393d3c (patch)
tree928db13b69bea872bcfa28f6d56b3128678e4340 /package
parent7f235df5713765a64c1ea87c425fb1b0841a20df (diff)
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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>
Diffstat (limited to 'package')
-rw-r--r--package/kernel/mac80211/patches/605-rt2x00-load-eeprom-on-SoC-from-a-mtd-device-defines-.patch14
1 files 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;