From 204d794086f26a7b191d9a9c3483af8b81362b16 Mon Sep 17 00:00:00 2001 From: Vasanthakumar Thiagarajan Date: Thu, 17 Sep 2009 09:26:14 +0530 Subject: [PATCH] ath9k: Fix rx data corruption Setting bit 20 and 25 of 0x8344 can cause occasional rx data corruption, clear them to fix this issue. Signed-off-by: Vasanthakumar Thiagarajan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/hw.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index af5bb50a2e8b..4731ad2d9996 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1273,6 +1273,15 @@ static void ath9k_hw_override_ini(struct ath_hw *ah, */ REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT)); + if (AR_SREV_9280_10_OR_LATER(ah)) { + val = REG_READ(ah, AR_PCU_MISC_MODE2) & + (~AR_PCU_MISC_MODE2_HWWAR1); + + if (AR_SREV_9287_10_OR_LATER(ah)) + val = val & (~AR_PCU_MISC_MODE2_HWWAR2); + + REG_WRITE(ah, AR_PCU_MISC_MODE2, val); + } if (!AR_SREV_5416_20_OR_LATER(ah) || AR_SREV_9280_10_OR_LATER(ah))