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authorNick Kossifidis <mick@madwifi.org>2008-07-20 06:38:16 +0300
committerJohn W. Linville <linville@tuxdriver.com>2008-08-01 15:31:32 -0400
commite2a0ccebc4ffabc1c7234cfd324299b5a936e0f2 (patch)
tree37f4b35227181fe9fff1dbac7e049d5d0955da8a /drivers/net/wireless/ath5k
parent2203d6be7ed17af81a1dc35a0af9806086743b02 (diff)
ath5k: Do ADC test during reset
* Do an ADC test during reset to match recent regdumps Changes-licensed-under: ISC Signed-off-by: Nick Kossifidis <mickflemm@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath5k')
-rw-r--r--drivers/net/wireless/ath5k/hw.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath5k/hw.c b/drivers/net/wireless/ath5k/hw.c
index dc51b844c62..3937e46e473 100644
--- a/drivers/net/wireless/ath5k/hw.c
+++ b/drivers/net/wireless/ath5k/hw.c
@@ -1079,6 +1079,19 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode,
}
/*
+ * Perform ADC test (?)
+ */
+ data = ath5k_hw_reg_read(ah, AR5K_PHY_TST1);
+ ath5k_hw_reg_write(ah, AR5K_PHY_TST1_TXHOLD, AR5K_PHY_TST1);
+ for (i = 0; i <= 20; i++) {
+ if (!(ath5k_hw_reg_read(ah, AR5K_PHY_ADC_TEST) & 0x10))
+ break;
+ udelay(200);
+ }
+ ath5k_hw_reg_write(ah, data, AR5K_PHY_TST1);
+ data = 0;
+
+ /*
* Enable calibration and wait until completion
*/
AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGCCTL,