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authorFelix Fietkau <nbd@openwrt.org>2010-07-30 21:02:11 +0200
committerJohn W. Linville <linville@tuxdriver.com>2010-08-04 15:27:36 -0400
commitddfef79257648e165ac49e6088d459819a02a882 (patch)
tree790266af15b6d03e419f5defda7a6b0b4b8e2967 /drivers/net
parent9369746050e838c57e357f0caa552386ad65a82d (diff)
ath9k: fix a crash in the PA predistortion apply function
When updating the PAPRD table in hardware, PAPRD itself needs to be disabled first, otherwise the hardware can throw a data bus error, which upsets at least some platforms. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Acked-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 0429dda0961..6c1d9ef550d 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -239,6 +239,7 @@ static void ath_paprd_activate(struct ath_softc *sc)
return;
ath9k_ps_wakeup(sc);
+ ar9003_paprd_enable(ah, false);
for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
if (!(ah->caps.tx_chainmask & BIT(chain)))
continue;