From: Sujith Manoharan <sujith@msujith.org>
To: John Linville <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org
Subject: [PATCH 3/4] ath9k: Fix RTC reset delay
Date: Tue, 17 Dec 2013 23:36:47 +0530 [thread overview]
Message-ID: <1387303608-31356-4-git-send-email-sujith@msujith.org> (raw)
In-Reply-To: <1387303608-31356-1-git-send-email-sujith@msujith.org>
From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
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>
---
drivers/net/wireless/ath/ath9k/hw.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index f58868c..2a511c6 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -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)) {
--
1.8.5.1
next prev parent reply other threads:[~2013-12-17 18:11 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-17 18:06 [PATCH 0/4] ath9k patches Sujith Manoharan
2013-12-17 18:06 ` [PATCH 1/4] ath9k: Remove ath9k_hw_gettsf32() Sujith Manoharan
2013-12-17 18:06 ` [PATCH 2/4] ath9k: Add a delay between RTC reset/clear for AR9003 Sujith Manoharan
2013-12-17 18:06 ` Sujith Manoharan [this message]
2013-12-17 18:06 ` [PATCH 4/4] ath9k: Fix AR9330 external reset Sujith Manoharan
2013-12-17 20:44 ` Felix Fietkau
2013-12-18 2:59 ` Sujith Manoharan
2013-12-18 4:11 ` Sujith Manoharan
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