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git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-07 09:44:03 +02:00
26 lines
733 B
Diff
26 lines
733 B
Diff
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--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
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+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
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@@ -3260,10 +3260,20 @@ static int ar9300_eeprom_restore_interna
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int it;
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u16 checksum, mchecksum;
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struct ath_common *common = ath9k_hw_common(ah);
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+ struct ar9300_eeprom *eep;
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eeprom_read_op read;
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- if (ath9k_hw_use_flash(ah))
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- return ar9300_eeprom_restore_flash(ah, mptr, mdata_size);
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+ if (ath9k_hw_use_flash(ah)) {
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+ u8 txrx;
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+
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+ ar9300_eeprom_restore_flash(ah, mptr, mdata_size);
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+
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+ /* check if eeprom contains valid data */
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+ eep = (struct ar9300_eeprom *) mptr;
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+ txrx = eep->baseEepHeader.txrxMask;
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+ if (txrx != 0 && txrx != 0xff)
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+ return 0;
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+ }
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word = kzalloc(2048, GFP_KERNEL);
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if (!word)
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