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ath9k: Fix RTC reset delay

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The delay that is required after issuing a RTC reset
varies for each chip. Handle this properly.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2013-12-18 09:53:26 +05:30 committed by John W. Linville
parent afe36533c1
commit 4dc78c437a
1 changed files with 6 additions and 1 deletions
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7
drivers/net/wireless/ath/ath9k/hw.c
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@ -1363,7 +1363,12 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
REGWRITE_BUFFER_FLUSH(ah);
udelay(50);
if (AR_SREV_9300_20_OR_LATER(ah))
udelay(50);
else if (AR_SREV_9100(ah))
udelay(10000);
else
udelay(100);
REG_WRITE(ah, AR_RTC_RC, 0);
if (!ath9k_hw_wait(ah, AR_RTC_RC, AR_RTC_RC_M, 0, AH_WAIT_TIMEOUT)) {