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authorFelix Fietkau <nbd@openwrt.org>2010-12-12 02:51:07 +0300
committerJohn W. Linville <linville@tuxdriver.com>2010-12-13 23:23:30 +0300
commit040b74f741b20dbf07359716d5c540356a036ade (patch)
treedc24ce75b1d0497a930569a99d77c3e22659e53f /drivers
parent248a38d0ed754bf9f002e66f3d607e12ae6a673c (diff)
downloadlinux-040b74f741b20dbf07359716d5c540356a036ade.tar.xz
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 <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c6
1 files changed, 1 insertions, 5 deletions
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 */