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author | Felix Fietkau <nbd@openwrt.org> | 2016-01-21 15:34:08 (GMT) |
---|---|---|
committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2016-01-25 13:33:25 (GMT) |
commit | 65dc1a5d1efb0ec54ffb715468070890d27d63fc (patch) | |
tree | 72843b2b347588a58008509545ca9c70cafc0294 | |
parent | e0045bf80f62779ba75ba04513020d60e59f5298 (diff) | |
download | linux-65dc1a5d1efb0ec54ffb715468070890d27d63fc.tar.xz |
ath9k_hw: ignore eeprom magic mismatch on flash based devices
Many AR913x based devices (maybe others too) do not have a valid EEPROM
magic in their calibration data partition.
Fixes: 6fa658fd5ab2 ("ath9k: Simplify and fix eeprom endianness swapping")
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
-rw-r--r-- | drivers/net/wireless/ath/ath9k/eeprom.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c index a7afdee..73fb423 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom.c +++ b/drivers/net/wireless/ath/ath9k/eeprom.c @@ -150,18 +150,18 @@ int ath9k_hw_nvram_swap_data(struct ath_hw *ah, bool *swap_needed, int size) return -EIO; } - if (magic == AR5416_EEPROM_MAGIC) { - *swap_needed = false; - } else if (swab16(magic) == AR5416_EEPROM_MAGIC) { + *swap_needed = false; + if (swab16(magic) == AR5416_EEPROM_MAGIC) { if (ah->ah_flags & AH_NO_EEP_SWAP) { ath_info(common, "Ignoring endianness difference in EEPROM magic bytes.\n"); - - *swap_needed = false; } else { *swap_needed = true; } - } else { + } else if (magic != AR5416_EEPROM_MAGIC) { + if (ath9k_hw_use_flash(ah)) + return 0; + ath_err(common, "Invalid EEPROM Magic (0x%04x).\n", magic); return -EINVAL; |