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Commit 040b74f7 authored by Felix Fietkau's avatar Felix Fietkau Committed by John W. Linville
Browse files

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: default avatarFelix Fietkau <nbd@openwrt.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 248a38d0

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

+1 −5
Original line number Diff line number Diff line
@@ -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 */