Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit bfbee427 authored by Rajkumar Manoharan's avatar Rajkumar Manoharan Committed by John W. Linville
Browse files

ath9k_hw: fix ar9462 selfgen chainmask 



When the 9462 is operating in 2G mode and MCI is enabled then
reduce the selfgen chain mask to chain 1. Otherwise poor performance
was reported at short range at Rx side when COEX is enabled.

Signed-off-by: default avatarRajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 88033318

drivers/net/wireless/ath/ath9k/ar9003_mci.c

+1 −0
Original line number Diff line number Diff line
@@ -1027,6 +1027,7 @@ void ar9003_mci_2g5g_switch(struct ath_hw *ah, bool force) 


		if (!(mci->config & ATH_MCI_CONFIG_DISABLE_OSLA))

			ar9003_mci_osla_setup(ah, true);

		REG_WRITE(ah, AR_SELFGEN_MASK, 0x02);

	} else {

		ar9003_mci_send_lna_take(ah, true);

		udelay(5);

drivers/net/wireless/ath/ath9k/ar9003_phy.c

+0 −3
Original line number Diff line number Diff line
@@ -605,9 +605,6 @@ static void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx) 


	if ((ah->caps.hw_caps & ATH9K_HW_CAP_APM) && (tx == 0x7))

		REG_WRITE(ah, AR_SELFGEN_MASK, 0x3);

	else if (AR_SREV_9462(ah))

		/* xxx only when MCI support is enabled */

		REG_WRITE(ah, AR_SELFGEN_MASK, 0x3);

	else

		REG_WRITE(ah, AR_SELFGEN_MASK, tx);