diff options
Diffstat (limited to 'package/kernel/mac80211/patches/rt2x00/602-04-wifi-rt2x00-Support-EEPROM-swap-binding.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/rt2x00/602-04-wifi-rt2x00-Support-EEPROM-swap-binding.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/rt2x00/602-04-wifi-rt2x00-Support-EEPROM-swap-binding.patch b/package/kernel/mac80211/patches/rt2x00/602-04-wifi-rt2x00-Support-EEPROM-swap-binding.patch new file mode 100644 index 00000000000..392910d224b --- /dev/null +++ b/package/kernel/mac80211/patches/rt2x00/602-04-wifi-rt2x00-Support-EEPROM-swap-binding.patch @@ -0,0 +1,44 @@ +From 9c9a3c27b96e057f3c3f47151d7a170d84e3bb5f Mon Sep 17 00:00:00 2001 +From: Christian Marangi <ansuelsmth@gmail.com> +Date: Sun, 15 Oct 2023 15:31:47 +0200 +Subject: [PATCH 4/5] wifi: rt2x00: Support EEPROM swap binding + +Add binding "ralink,eeprom-swap" to swap bytes of EEPROM before using +it. + +Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> +--- + drivers/net/wireless/ralink/rt2x00/rt2x00eeprom.c | 15 +++++++++++++++ + 1 file changed, 15 insertions(+) + +--- a/drivers/net/wireless/ralink/rt2x00/rt2x00eeprom.c ++++ b/drivers/net/wireless/ralink/rt2x00/rt2x00eeprom.c +@@ -20,6 +20,19 @@ + #include "rt2x00soc.h" + + #if IS_ENABLED(CONFIG_MTD) ++static void rt2800lib_eeprom_swap(struct rt2x00_dev *rt2x00dev) ++{ ++ struct device_node *np = rt2x00dev->dev->of_node; ++ size_t len = rt2x00dev->ops->eeprom_size; ++ int i; ++ ++ if (!of_find_property(np, "ralink,eeprom-swap", NULL)) ++ return; ++ ++ for (i = 0; i < len / sizeof(u16); i++) ++ rt2x00dev->eeprom[i] = swab16(rt2x00dev->eeprom[i]); ++} ++ + static int rt2800lib_read_eeprom_mtd(struct rt2x00_dev *rt2x00dev) + { + int ret = -EINVAL; +@@ -66,6 +79,8 @@ static int rt2800lib_read_eeprom_mtd(str + return ret; + } + ++ rt2800lib_eeprom_swap(rt2x00dev); ++ + dev_info(rt2x00dev->dev, "loaded eeprom from mtd device \"%s\"\n", part); + #endif + |