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[mac80211] adds eeprom endianess check to ath9k

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31068 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
blogic 2012-03-25 08:51:08 +00:00
parent a3f0c9fadf
commit 88bfa13565

View File

@ -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++;
}
}