lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

ath5k: Check EEPROM before tweaking SERDES

Browse Source 
* Read PCI-E infos offset from EEPROM and if it points to
   serdes section (0x40), enable serdes programming (further tweaking
   of serdes values during attach). This follows Legacy and Sam's
   HAL sources.

Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Acked-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Nick Kossifidis
2009-08-10 03:26:55 +03:00
committed by John W. Linville
parent d6756d0dc2
commit c38e7a9348
3 changed files with 48 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/net/wireless/ath/ath5k/eeprom.c
View File

@@ -167,6 +167,16 @@ ath5k_eeprom_init_header(struct ath5k_hw *ah)
ee->ee_rfkill_pin = (u8) AR5K_REG_MS(val, AR5K_EEPROM_RFKILL_GPIO_SEL);
ee->ee_rfkill_pol = val & AR5K_EEPROM_RFKILL_POLARITY ? true : false;
/* Check if PCIE_OFFSET points to PCIE_SERDES_SECTION
* and enable serdes programming if needed.
*
* XXX: Serdes values seem to be fixed so
* no need to read them here, we write them
* during ath5k_hw_attach */
AR5K_EEPROM_READ(AR5K_EEPROM_PCIE_OFFSET, val);
ee->ee_serdes = (val == AR5K_EEPROM_PCIE_SERDES_SECTION) ?
true : false;
return 0;
}