diff mbox

[NEXT,3/7] qlcnic: clear device reset state after fw recovery

Message ID 1265034644-19461-4-git-send-email-amit.salecha@qlogic.com
State Superseded, archived
Delegated to: David Miller
Headers show

Commit Message

amit salecha Feb. 1, 2010, 2:30 p.m. UTC 
o After firmware recovery, clear device reset state transition register.
  Otherwise firmware reload can occur unnecessary.

Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
---
 drivers/net/qlcnic/qlcnic_main.c |   22 +++++++++++++++++++++-
 1 files changed, 21 insertions(+), 1 deletions(-)
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Patch

diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index 05275f2..9a98285 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -1866,6 +1866,23 @@  qlcnic_set_drv_state(struct qlcnic_adapter *adapter, int state)
 	qlcnic_api_unlock(adapter);
 }
 
+static int
+qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
+{
+	u32  val;
+
+	if (qlcnic_api_lock(adapter))
+		return -EBUSY;
+
+	val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
+	val &= ~((u32)0x3 << (adapter->portnum * 4));
+	QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
+
+	qlcnic_api_unlock(adapter);
+
+	return 0;
+}
+
 static void
 qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter)
 {
@@ -2119,7 +2136,10 @@  qlcnic_attach_work(struct work_struct *work)
 done:
 	adapter->fw_fail_cnt = 0;
 	clear_bit(__QLCNIC_RESETTING, &adapter->state);
-	qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
+
+	if (!qlcnic_clr_drv_state(adapter))
+		qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
+							FW_POLL_DELAY);
 }
 
 static int