dect/linux-2.6
Archived
14
0
Fork 0
Code Releases Activity

ath9k_hw: Eeeprom changes for AR9485

Browse source 
Calibration data are stored at 4k address (0xfff). The cal data
for AR9485 is not compressed so its lengh can exceed 1024 limit,
take care of that.

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vasanthakumar Thiagarajan 2010-12-06 04:27:39 -08:00 committed by John W. Linville
parent ff48ba464e
commit 60e0c3a782
2 changed files with 7 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
View file

@ -3319,7 +3319,10 @@ static int ar9300_eeprom_restore_internal(struct ath_hw *ah,
memcpy(mptr, &ar9300_default, mdata_size);
read = ar9300_read_eeprom;
cptr = AR9300_BASE_ADDR;
if (AR_SREV_9485(ah))
cptr = AR9300_BASE_ADDR_4K;
else
cptr = AR9300_BASE_ADDR;
ath_dbg(common, ATH_DBG_EEPROM,
"Trying EEPROM accesss at Address 0x%04x\n", cptr);
if (ar9300_check_eeprom_header(ah, read, cptr))
@ -3361,7 +3364,8 @@ found:
ath_dbg(common, ATH_DBG_EEPROM,
"Found block at %x: code=%d ref=%d length=%d major=%d minor=%d\n",
cptr, code, reference, length, major, minor);
if (length >= 1024) {
if ((!AR_SREV_9485(ah) && length >= 1024) ||
(AR_SREV_9485(ah) && length >= (4 * 1024))) {
ath_dbg(common, ATH_DBG_EEPROM,
"Skipping bad header\n");
cptr -= COMP_HDR_LEN;

1
drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
View file

@ -78,6 +78,7 @@
#define AR9300_EEPROM_SIZE (16*1024)
#define FIXED_CCA_THRESHOLD 15
#define AR9300_BASE_ADDR_4K 0xfff
#define AR9300_BASE_ADDR 0x3ff
#define AR9300_BASE_ADDR_512 0x1ff