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ath9k: fix a crash in the PA predistortion apply function

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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>
This commit is contained in:
Felix Fietkau 2010-07-30 21:02:11 +02:00 committed by John W. Linville
parent 9369746050
commit ddfef79257
1 changed files with 1 additions and 0 deletions
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1
drivers/net/wireless/ath/ath9k/main.c
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@ -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;