ath9k: Fix RTC reset delay
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>
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 2800914..3ca682f 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1363,7 +1363,12 @@
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)) {