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Commit 01967360 authored by Felix Fietkau's avatar Felix Fietkau Committed by John W. Linville
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ath9k_hw: fall back to OTP ROM when platform data has no valid eeprom data 



Signed-off-by: default avatarFelix Fietkau <nbd@openwrt.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 433c3990

drivers/net/wireless/ath/ath9k/ar9003_eeprom.c

+12 −2
Original line number Diff line number Diff line
@@ -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)