[mac80211] adds eeprom endianess check to ath9k

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 31068

diff --git a/package/mac80211/patches/999-ath9k.patch b/package/mac80211/patches/999-ath9k.patch
new file mode 100644 (file)
index 0000000..25d5450
--- /dev/null
+++ b/package/mac80211/patches/999-ath9k.patch
@@ -0,0 +1,48 @@
+--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
++++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
+@@ -267,7 +267,7 @@ static int ath9k_hw_def_check_eeprom(str
+       struct ar5416_eeprom_def *eep =
+               (struct ar5416_eeprom_def *) &ah->eeprom.def;
+       struct ath_common *common = ath9k_hw_common(ah);
+-      u16 *eepdata, temp, magic, magic2;
++      u16 *eepdata, temp, magic;
+       u32 sum = 0, el;
+       bool need_swap = false;
+       int i, addr, size;
+@@ -277,27 +277,15 @@ static int ath9k_hw_def_check_eeprom(str
+               return false;
+       }
+ 
+-      if (!ath9k_hw_use_flash(ah)) {
+-              ath_dbg(common, EEPROM, "Read Magic = 0x%04X\n", magic);
+-
+-              if (magic != AR5416_EEPROM_MAGIC) {
+-                      magic2 = swab16(magic);
+-
+-                      if (magic2 == AR5416_EEPROM_MAGIC) {
+-                              size = sizeof(struct ar5416_eeprom_def);
+-                              need_swap = true;
+-                              eepdata = (u16 *) (&ah->eeprom);
+-
+-                              for (addr = 0; addr < size / sizeof(u16); addr++) {
+-                                      temp = swab16(*eepdata);
+-                                      *eepdata = temp;
+-                                      eepdata++;
+-                              }
+-                      } else {
+-                              ath_err(common,
+-                                      "Invalid EEPROM Magic. Endianness mismatch.\n");
+-                              return -EINVAL;
+-                      }
++      if (swab16(magic) == AR5416_EEPROM_MAGIC) {
++              size = sizeof(struct ar5416_eeprom_def);
++              need_swap = true;
++              eepdata = (u16 *) (&ah->eeprom);
++
++              for (addr = 0; addr < size / sizeof(u16); addr++) {
++                      temp = swab16(*eepdata);
++                      *eepdata = temp;
++                      eepdata++;
+               }
+       }
+