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Commit 6a0ec30a authored by Luis R. Rodriguez's avatar Luis R. Rodriguez Committed by John W. Linville
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ath9k_hw: add pcieSerDesWrite to disable SERDES ASPM tweaks 



This can be useful during testing of new ASPM tweaks which often
have to be done through the PCI Serializer-Deserializer (SERDES).

Cc: Aeolus Yang <aeolus.yang@atheros.com>
Cc: Madhan Jaganathan <madhan.jaganathan@atheros.com>
Signed-off-by: default avatarLuis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 653fe371

drivers/net/wireless/ath/ath9k/ar9003_hw.c

+1 −1
Original line number Diff line number Diff line
@@ -303,7 +303,7 @@ static void ar9003_hw_configpcipowersave(struct ath_hw *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)) {

	if (ah->config.pcieSerDesWrite) {

		unsigned int i;



		for (i = 0; i < ah->iniPcieSerdesLowPower.ia_rows; i++) {

drivers/net/wireless/ath/ath9k/hw.c

+1 −0
Original line number Diff line number Diff line
@@ -388,6 +388,7 @@ static void ath9k_hw_init_config(struct ath_hw *ah) 
		ah->config.ht_enable = 0;



	ah->config.rx_intr_mitigation = true;

	ah->config.pcieSerDesWrite = true;



	/*

	 * We need this for PCI devices only (Cardbus, PCI, miniPCI)

drivers/net/wireless/ath/ath9k/hw.h

+1 −0
Original line number Diff line number Diff line
@@ -235,6 +235,7 @@ struct ath9k_ops_config { 
	int ack_6mb;

	u32 cwm_ignore_extcca;

	u8 pcie_powersave_enable;

	bool pcieSerDesWrite;

	u8 pcie_clock_req;

	u32 pcie_waen;

	u8 analog_shiftreg;