linux/drivers/net/wireless/ath
Gabor Juhos b3cd802137 ath9k: ar9003: fix OTP register offsets for AR9340
Trying to access the OTP memory on the AR9340
causes a data bus error like this:

  Data bus error, epc == 86e84164, ra == 86e84164
  Oops[#1]:
  Cpu 0
  $ 0   : 00000000 00000061 deadc0de 00000000
  $ 4   : b8115f18 00015f18 00000007 00000004
  $ 8   : 00000001 7c7c3c7c 7c7c7c7c 7c7c7c7c
  $12   : 7c7c3c7c 001f0041 00000000 7c7c7c3c
  $16   : 86ee0000 00015f18 00000000 00000007
  $20   : 00000004 00000064 00000004 86d71c44
  $24   : 00000000 86e6ca00
  $28   : 86d70000 86d71b20 86ece0c0 86e84164
  Hi    : 00000000
  Lo    : 00000064
  epc   : 86e84164 ath9k_hw_wait+0x58/0xb0 [ath9k_hw]
      Tainted: G           O
  ra    : 86e84164 ath9k_hw_wait+0x58/0xb0 [ath9k_hw]
  Status: 1100d403    KERNEL EXL IE
  Cause : 4080801c
  PrId  : 0001974c (MIPS 74Kc)
  Modules linked in: ath9k(O+) ath9k_common(O) ath9k_hw(O) ath(O) ar934x_nfc
  mac80211(O) usbcore usb_common scsi_mod nls_base nand nand_ecc nand_ids
  crc_ccitt cfg80211(O) compat(O) arc4 aes_generic crypto_blkcipher cryptomgr
  aead crypto_hash crypto_algapi ledtrig_timer ledtrig_default_on leds_gpio
  Process insmod (pid: 459, threadinfo=86d70000, task=87942140, tls=779ac440)
  Stack : 802fb500 000200da 804db150 804e0000 87816130 86ee0000 00010000 86d71b88
          86d71bc0 00000004 00000003 86e9fcd0 80305300 0002c0d0 86e74c50 800b4c20
          000003e8 00000001 00000000 86ee0000 000003ff 86e9fd64 80305300 80123938
          fffffffc 00000004 000058bc 00000000 86ea0000 86ee0000 000001ff 878d6000
          99999999 86e9fdc0 86ee0fcc 86e9e664 0000c0d0 86ee0000 0000700000007000
          ...
  Call Trace:
  [<86e84164>] ath9k_hw_wait+0x58/0xb0 [ath9k_hw]
  [<86e9fcd0>] ath9k_hw_setup_statusring+0x16b8/0x1c7c [ath9k_hw]

  Code: 0000a812  0040f809  00000000 <00531024> 1054000b  24020001  0c05b5dc  2404000a  26520001

The cause of the error is that the OTP register
offsets are different on the AR9340 than the
actually used values.

Cc: <stable@vger.kernel.org> # 3.0+
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-12-10 15:49:44 -05:00
..
ar5523 wireless: allow Atheros card to not depend on ath.ko 2012-11-30 13:38:16 -05:00
ath5k ath5k: remove __dev* attributes 2012-12-06 15:04:56 -05:00
ath6kl Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next 2012-11-26 14:46:41 -05:00
ath9k ath9k: ar9003: fix OTP register offsets for AR9340 2012-12-10 15:49:44 -05:00
carl9170 carl9170: fix copy and paste mishap in carl9170_handle_mpdu 2012-12-10 15:47:31 -05:00
Kconfig wireless: allow Atheros card to not depend on ath.ko 2012-11-30 13:38:16 -05:00
Makefile ar5523: Add new driver 2012-10-29 15:29:05 -04:00
ath.h ath9k: Add a module parameter to enable diversity 2012-09-24 14:59:11 -04:00
debug.c drivers/net: Add export.h to files using EXPORT_SYMBOL/THIS_MODULE 2011-10-31 19:31:08 -04:00
hw.c ath_hw: Use common REG_WRITE parameter order 2012-10-19 15:53:06 -04:00
key.c ath9k: fix dynamic WEP related regression 2012-06-25 15:14:13 -04:00
main.c ath: Add and use pr_fmt, convert printks to pr_<level> 2012-04-10 14:52:13 -04:00
reg.h
regd.c ath: Add and use pr_fmt, convert printks to pr_<level> 2012-04-10 14:52:13 -04:00
regd.h ath: fix spelling of Grenada 2011-08-08 16:04:13 -04:00
regd_common.h ath: fix spelling of Grenada 2011-08-08 16:04:13 -04:00