--- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -1091,6 +1091,12 @@ int ath9k_init_debug(struct ath_hw *ah) sc->debug.debugfs_phy, &ah->config.cwm_ignore_extcca)) goto err; + debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR, + sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask); + + debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR, + sc->debug.debugfs_phy, &sc->sc_ah->gpio_val); + sc->debug.regidx = 0; return 0; err: --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -795,6 +795,8 @@ struct ath_hw { int initPDADC; int PDADCdelta; u8 led_pin; + u32 gpio_mask; + u32 gpio_val; struct ar5416IniArray iniModes; struct ar5416IniArray iniCommon; --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1213,6 +1213,20 @@ static bool ath9k_hw_channel_change(stru return true; } +static void ath9k_hw_apply_gpio_override(struct ath_hw *ah) +{ + u32 gpio_mask = ah->gpio_mask; + int i; + + for (i = 0; gpio_mask; i++, gpio_mask >>= 1) { + if (!(gpio_mask & 1)) + continue; + + ath9k_hw_cfg_output(ah, i, AR_GPIO_OUTPUT_MUX_AS_OUTPUT); + ath9k_hw_set_gpio(ah, i, !!(ah->gpio_val & BIT(i))); + } +} + bool ath9k_hw_check_alive(struct ath_hw *ah) { int count = 50; @@ -1501,6 +1515,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st if (AR_SREV_9300_20_OR_LATER(ah)) ar9003_hw_bb_watchdog_config(ah); + ath9k_hw_apply_gpio_override(ah); + return 0; } EXPORT_SYMBOL(ath9k_hw_reset);