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authorSenthil Balasubramanian2008-12-08 15:13:50 +0100
committerJohn W. Linville2008-12-12 19:48:30 +0100
commit8aa15e1506bb0b6b643be12baf1f2d4d2f115931 (patch)
treee8ca7dbdee6b93dea74f51abfab9740b2f48eb98 /drivers/net/wireless/ath9k/hw.c
parentath9k: Incorrect band enum causes invalid antenna configuration. (diff)
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ath9k: avoid rx frames with corrupted descriptor.
Setting RX_ABORT/RX_DIS after MAC reset and clearing RX_ABORT/RX_DIS after enbling RXE/RXDP to avoid rx frames with corrupted descriptor status. Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath9k/hw.c')
-rw-r--r--drivers/net/wireless/ath9k/hw.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c
index 58f94c3f5e94..34474edefc97 100644
--- a/drivers/net/wireless/ath9k/hw.c
+++ b/drivers/net/wireless/ath9k/hw.c
@@ -1212,6 +1212,14 @@ struct ath_hal *ath9k_hw_attach(u16 devid, struct ath_softc *sc,
static void ath9k_hw_override_ini(struct ath_hal *ah,
struct ath9k_channel *chan)
{
+ /*
+ * Set the RX_ABORT and RX_DIS and clear if off only after
+ * RXE is set for MAC. This prevents frames with corrupted
+ * descriptor status.
+ */
+ REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
+
+
if (!AR_SREV_5416_V20_OR_LATER(ah) ||
AR_SREV_9280_10_OR_LATER(ah))
return;