diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hw.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 559019262d30..c33f17dbe6f1 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -574,6 +574,26 @@ static int __ath9k_hw_init(struct ath_hw *ah) ath9k_hw_init_mode_regs(ah); + /* + * Configire PCIE after Ini init. SERDES values now come from ini file + * This enables PCIe low power mode. + */ + if (AR_SREV_9300_20_OR_LATER(ah)) { + u32 regval; + unsigned int i; + + /* Set Bits 16 and 17 in the AR_WA register. */ + regval = REG_READ(ah, AR_WA); + regval |= 0x00030000; + REG_WRITE(ah, AR_WA, regval); + + for (i = 0; i < ah->iniPcieSerdesLowPower.ia_rows; i++) { + REG_WRITE(ah, + INI_RA(&ah->iniPcieSerdesLowPower, i, 0), + INI_RA(&ah->iniPcieSerdesLowPower, i, 1)); + } + } + if (ah->is_pciexpress) ath9k_hw_configpcipowersave(ah, 0, 0); else |