From: Luis R. Rodriguez <lrodriguez@atheros.com>
Date: Thu, 12 Mar 2009 22:18:50 +0000 (-0400)
Subject: ath9k: AR9280 PCI devices must serialize IO as well
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5ec905a8df3fa877566ba98298433fbfb3d688cc;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

ath9k: AR9280 PCI devices must serialize IO as well

Cc: stable@kernel.org
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c
index 5c870436fc5..c38a00bbce6 100644
--- a/drivers/net/wireless/ath9k/hw.c
+++ b/drivers/net/wireless/ath9k/hw.c
@@ -687,7 +687,8 @@ static struct ath_hal *ath9k_hw_do_attach(u16 devid, struct ath_softc *sc,
 	}
 
 	if (ah->ah_config.serialize_regmode == SER_REG_MODE_AUTO) {
-		if (ah->ah_macVersion == AR_SREV_VERSION_5416_PCI) {
+		if (ah->ah_macVersion == AR_SREV_VERSION_5416_PCI ||
+		    (AR_SREV_9280(ah) && !ah->ah_isPciExpress)) {
 			ah->ah_config.serialize_regmode =
 				SER_REG_MODE_ON;
 		} else {