From: Felix Fietkau Date: Sat, 11 Dec 2010 23:51:07 +0000 (+0100) Subject: ath9k_hw: only use the PCIe disable register write sequence for AR5416 X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=040b74f741b20dbf07359716d5c540356a036ade;p=deliverable%2Flinux.git ath9k_hw: only use the PCIe disable register write sequence for AR5416 Newer chips do not need this, and maybe these register writes could have negative side effects on newer hardware. Signed-off-by: Felix Fietkau Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 1beb89673b0c..7c3d2de93652 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -284,11 +284,9 @@ static void ath9k_hw_read_revisions(struct ath_hw *ah) static void ath9k_hw_disablepcie(struct ath_hw *ah) { - if (AR_SREV_9100(ah)) + if (!AR_SREV_5416(ah)) return; - ENABLE_REGWRITE_BUFFER(ah); - REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00); REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924); REG_WRITE(ah, AR_PCIE_SERDES, 0x28000029); @@ -300,8 +298,6 @@ static void ath9k_hw_disablepcie(struct ath_hw *ah) REG_WRITE(ah, AR_PCIE_SERDES, 0x000e1007); REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000); - - REGWRITE_BUFFER_FLUSH(ah); } /* This should work for all families including legacy */