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Message-ID: <1335578325-21326-7-git-send-email-xiong@qca.qualcomm.com>
Date: Sat, 28 Apr 2012 09:58:41 +0800
From: xiong <xiong@....qualcomm.com>
To: <davem@...emloft.net>, <netdev@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
CC: <qca-linux-team@...lcomm.com>, <nic-devel@...lcomm.com>,
xiong <xiong@....qualcomm.com>
Subject: [PATCH 06/10] atl1c: enlarge L1 response waiting timer
The hardware incorrectly process L0S/L1 entrance if the chipset/root
response after specific/shorter timer and cause system hang.
Enlarge the timeout value to avoid this issue.
Signed-off-by: xiong <xiong@....qualcomm.com>
Tested-by: Liu David <dwliu@....qualcomm.com>
---
drivers/net/ethernet/atheros/atl1c/atl1c_hw.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_hw.h b/drivers/net/ethernet/atheros/atl1c/atl1c_hw.h
index 21a5bc1..17d935b 100644
--- a/drivers/net/ethernet/atheros/atl1c/atl1c_hw.h
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_hw.h
@@ -157,7 +157,7 @@ void atl1c_post_phy_linkchg(struct atl1c_hw *hw, u16 link_speed);
#define PM_CTRL_PM_REQ_TIMER_MASK 0xFUL
#define PM_CTRL_PM_REQ_TIMER_SHIFT 20 /* pm_request_l1 time > @
* ->L0s not L1 */
-#define PM_CTRL_PM_REQ_TO_DEF 0xC
+#define PM_CTRL_PM_REQ_TO_DEF 0xF
#define PMCTRL_TXL1_AFTER_L0S BIT(19) /* l1dv2.0+ */
#define L1D_PMCTRL_L1_ENTRY_TM_MASK 7UL /* l1dv2.0+, 3bits */
#define L1D_PMCTRL_L1_ENTRY_TM_SHIFT 16
--
1.7.7
--
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