From: Luis R. Rodriguez Date: Mon, 21 Jun 2010 22:38:49 +0000 (-0400) Subject: ath9k_hw: add pcieSerDesWrite to disable SERDES ASPM tweaks X-Git-Tag: v3.12-rc1~9497^2~107^2~169 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6a0ec30ad4acae63a81526ca8c157f718904993b;p=kernel%2Fkernel-generic.git 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 Cc: Madhan Jaganathan Signed-off-by: Luis R. Rodriguez Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/ath9k/ar9003_hw.c b/drivers/net/wireless/ath/ath9k/ar9003_hw.c index efabab8..99bde5f 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_hw.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_hw.c @@ -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++) { diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 3ee7d4e..e9764dc 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -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) diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 6c6d47b..e9578a4 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -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;