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ath9k_hw: fall back to OTP ROM when platform data has no valid eeprom data

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2012-07-15 19:53:29 +02:00 committed by John W. Linville
parent 433c3990a3
commit 01967360a2
1 changed files with 12 additions and 2 deletions
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14
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
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@ -3260,10 +3260,20 @@ static int ar9300_eeprom_restore_internal(struct ath_hw *ah,
int it;
u16 checksum, mchecksum;
struct ath_common *common = ath9k_hw_common(ah);
struct ar9300_eeprom *eep;
eeprom_read_op read;
if (ath9k_hw_use_flash(ah))
return ar9300_eeprom_restore_flash(ah, mptr, mdata_size);
if (ath9k_hw_use_flash(ah)) {
u8 txrx;
ar9300_eeprom_restore_flash(ah, mptr, mdata_size);
/* check if eeprom contains valid data */
eep = (struct ar9300_eeprom *) mptr;
txrx = eep->baseEepHeader.txrxMask;
if (txrx != 0 && txrx != 0xff)
return 0;
}
word = kzalloc(2048, GFP_KERNEL);
if (!word)