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authorSujith Manoharan <c_manoha@qca.qualcomm.com>2015-02-05 10:22:38 +0530
committerKalle Valo <kvalo@codeaurora.org>2015-02-26 14:58:34 +0200
commit2a0eef1ac629724b1eb8ec5909f0b6dc1777784c (patch)
tree10e768d159e6ad6bf7ef1d4cabfe2fcab02f0071 /drivers
parent009f33ed6f9d9da0141c2d18b1c7912d2d9be7c1 (diff)
ath9k: Fix descriptors for keep-alive frame
Along with AR9462, AR9565 also has an extra field in the TX descriptor which needs to be zeroed out for the keep alive frame. This makes the earlier REG_WRITE redundant, so it can be removed. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_wow.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_wow.c b/drivers/net/wireless/ath/ath9k/ar9003_wow.c
index 86bfc9604dca..5e707c8b5b95 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_wow.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_wow.c
@@ -74,8 +74,6 @@ static void ath9k_wow_create_keep_alive_pattern(struct ath_hw *ah)
for (i = 0; i < KAL_NUM_DESC_WORDS; i++)
REG_WRITE(ah, (AR_WOW_KA_DESC_WORD2 + i * 4), ctl[i]);
- REG_WRITE(ah, (AR_WOW_KA_DESC_WORD2 + i * 4), ctl[i]);
-
data_word[0] = (KAL_FRAME_TYPE << 2) | (KAL_FRAME_SUB_TYPE << 4) |
(KAL_TO_DS << 8) | (KAL_DURATION_ID << 16);
data_word[1] = (ap_mac_addr[3] << 24) | (ap_mac_addr[2] << 16) |
@@ -88,9 +86,11 @@ static void ath9k_wow_create_keep_alive_pattern(struct ath_hw *ah)
(ap_mac_addr[1] << 8) | (ap_mac_addr[0]);
data_word[5] = (ap_mac_addr[5] << 8) | (ap_mac_addr[4]);
- if (AR_SREV_9462_20(ah)) {
- /* AR9462 2.0 has an extra descriptor word (time based
- * discard) compared to other chips */
+ if (AR_SREV_9462_20_OR_LATER(ah) || AR_SREV_9565(ah)) {
+ /*
+ * AR9462 2.0 and AR9565 have an extra descriptor word
+ * (time based discard) compared to other chips.
+ */
REG_WRITE(ah, (AR_WOW_KA_DESC_WORD2 + (12 * 4)), 0);
wow_ka_data_word0 = AR_WOW_TXBUF(13);
} else {
@@ -99,7 +99,6 @@ static void ath9k_wow_create_keep_alive_pattern(struct ath_hw *ah)
for (i = 0; i < KAL_NUM_DATA_WORDS; i++)
REG_WRITE(ah, (wow_ka_data_word0 + i*4), data_word[i]);
-
}
int ath9k_hw_wow_apply_pattern(struct ath_hw *ah, u8 *user_pattern,