qlcnic: use IDC defined timeout value

o USE/Read IDC defined timeout value from ROM.
o While resetting chip, don't wait for other pci-func to respond,
  more than reset_ack_timeo seconds,

Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 37 insertions, 11 deletions

diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h
index 8a3446df4e90..87cd1a7ef9ca 100644
--- a/drivers/net/qlcnic/qlcnic.h
+++ b/drivers/net/qlcnic/qlcnic.h
@@ -958,8 +958,9 @@ struct qlcnic_adapter {
 	u8 dev_state;
 	u8 diag_test;
 	u8 diag_cnt;
+	u8 reset_ack_timeo;
+	u8 dev_init_timeo;
 	u8 rsrd1;
-	u16 rsrd2;
 
 	u8 mac_addr[ETH_ALEN];
 
@@ -1040,6 +1041,7 @@ int qlcnic_need_fw_reset(struct qlcnic_adapter *adapter);
 void qlcnic_request_firmware(struct qlcnic_adapter *adapter);
 void qlcnic_release_firmware(struct qlcnic_adapter *adapter);
 int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter);
+void qlcnic_setup_idc_param(struct qlcnic_adapter *adapter);
 
 int qlcnic_rom_fast_read(struct qlcnic_adapter *adapter, int addr, int *valp);
 int qlcnic_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr,
diff --git a/drivers/net/qlcnic/qlcnic_hdr.h b/drivers/net/qlcnic/qlcnic_hdr.h
index e9fb692d83ab..51fa3fbcf58a 100644
--- a/drivers/net/qlcnic/qlcnic_hdr.h
+++ b/drivers/net/qlcnic/qlcnic_hdr.h
@@ -695,6 +695,8 @@ enum {
 #define QLCNIC_CRB_DRV_SCRATCH             (QLCNIC_CAM_RAM(0x148))
 #define QLCNIC_CRB_DEV_PARTITION_INFO      (QLCNIC_CAM_RAM(0x14c))
 #define QLCNIC_CRB_DRV_IDC_VER             (QLCNIC_CAM_RAM(0x14c))
+#define QLCNIC_ROM_DEV_INIT_TIMEOUT	(0x3e885c)
+#define QLCNIC_ROM_DRV_RESET_TIMEOUT	(0x3e8860)
 
 		 /* Device State */
 #define QLCNIC_DEV_COLD 		1
diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c
index 0a424e038cff..ccd24f49b6dd 100644
--- a/drivers/net/qlcnic/qlcnic_init.c
+++ b/drivers/net/qlcnic/qlcnic_init.c
@@ -529,6 +529,22 @@ int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter)
 	return 0;
 }
 
+void
+qlcnic_setup_idc_param(struct qlcnic_adapter *adapter) {
+
+	int timeo;
+
+	if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DEV_INIT_TIMEOUT, &timeo))
+		timeo = 30;
+
+	adapter->dev_init_timeo = timeo;
+
+	if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DRV_RESET_TIMEOUT, &timeo))
+		timeo = 10;
+
+	adapter->reset_ack_timeo = timeo;
+}
+
 static int
 qlcnic_has_mn(struct qlcnic_adapter *adapter)
 {
diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index a2346229312e..38e082969253 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -649,7 +649,10 @@ qlcnic_start_firmware(struct qlcnic_adapter *adapter)
 	if (err)
 		return err;
 
-	if (!qlcnic_can_start_firmware(adapter))
+	err = qlcnic_can_start_firmware(adapter);
+	if (err < 0)
+		return err;
+	else if (!err)
 		goto wait_init;
 
 	first_boot = QLCRD32(adapter, QLCNIC_CAM_RAM(0x1fc));
@@ -1138,6 +1141,7 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		goto err_out_iounmap;
 	}
 
+	qlcnic_setup_idc_param(adapter);
 
 	err = qlcnic_start_firmware(adapter);
 	if (err)
@@ -2027,7 +2031,7 @@ static int
 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
 {
 	u32 val, prev_state;
-	int cnt = 0;
+	u8 dev_init_timeo = adapter->dev_init_timeo;
 	int portnum = adapter->portnum;
 
 	if (qlcnic_api_lock(adapter))
@@ -2072,12 +2076,13 @@ start_fw:
 	}
 
 	qlcnic_api_unlock(adapter);
-	msleep(1000);
-	while ((QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) != QLCNIC_DEV_READY) &&
-			++cnt < 20)
+
+	do {
 		msleep(1000);
+	} while ((QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) != QLCNIC_DEV_READY)
+			&& --dev_init_timeo);
 
-	if (cnt >= 20)
+	if (!dev_init_timeo)
 		return -1;
 
 	if (qlcnic_api_lock(adapter))
@@ -2099,12 +2104,10 @@ qlcnic_fwinit_work(struct work_struct *work)
 			struct qlcnic_adapter, fw_work.work);
 	int dev_state;
 
-	if (++adapter->fw_wait_cnt > FW_POLL_THRESH)
-		goto err_ret;
-
 	if (test_bit(__QLCNIC_START_FW, &adapter->state)) {
 
-		if (qlcnic_check_drv_state(adapter)) {
+		if (qlcnic_check_drv_state(adapter) &&
+			(adapter->fw_wait_cnt++ < adapter->reset_ack_timeo)) {
 			qlcnic_schedule_work(adapter,
 					qlcnic_fwinit_work, FW_POLL_DELAY);
 			return;
@@ -2118,6 +2121,9 @@ qlcnic_fwinit_work(struct work_struct *work)
 		goto err_ret;
 	}
 
+	if (adapter->fw_wait_cnt++ > (adapter->dev_init_timeo / 2))
+		goto err_ret;
+
 	dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
 	switch (dev_state) {
 	case QLCNIC_DEV_READY: