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cnic, bnx2: Check iSCSI support early in bnx2_init_one() 

Based on earlier patch from Neil Horman <nhorman@tuxdriver.com>

If iSCSI is not supported on a bnx2 device, bnx2_cnic_probe() will
return NULL and the cnic device will not be visible to bnx2i.  This
will prevent bnx2i from registering and then unregistering during
cnic_start() and cause the warning message:

bnx2 0003:01:00.1: eth1: Failed waiting for ULP up call to complete

Signed-off-by: Michael Chan <mchan@broadcom.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Michael Chan 2011-06-08 19:29:36 +00:00 committed by David S. Miller
parent db1d350fcb
commit 7625eb2f2f
2 changed files with 9 additions and 10 deletions
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7
drivers/net/bnx2.c
View File

@ -416,6 +416,9 @@ struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev)
struct bnx2 *bp = netdev_priv(dev);
struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
if (!cp->max_iscsi_conn)
return NULL;
cp->drv_owner = THIS_MODULE;
cp->chip_id = bp->chip_id;
cp->pdev = bp->pdev;
@ -8177,6 +8180,10 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
bp->timer.data = (unsigned long) bp;
bp->timer.function = bnx2_timer;
#ifdef BCM_CNIC
bp->cnic_eth_dev.max_iscsi_conn =
bnx2_reg_rd_ind(bp, BNX2_FW_MAX_ISCSI_CONN);
#endif
pci_save_state(pdev);
return 0;

12
drivers/net/cnic.c
View File

@ -4225,14 +4225,6 @@ static void cnic_enable_bnx2_int(struct cnic_dev *dev)
BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | cp->last_status_idx);
}
static void cnic_get_bnx2_iscsi_info(struct cnic_dev *dev)
{
u32 max_conn;
max_conn = cnic_reg_rd_ind(dev, BNX2_FW_MAX_ISCSI_CONN);
dev->max_iscsi_conn = max_conn;
}
static void cnic_disable_bnx2_int_sync(struct cnic_dev *dev)
{
struct cnic_local *cp = dev->cnic_priv;
@ -4557,8 +4549,6 @@ static int cnic_start_bnx2_hw(struct cnic_dev *dev)
return err;
}
cnic_get_bnx2_iscsi_info(dev);
return 0;
}
@ -5224,6 +5214,8 @@ static struct cnic_dev *init_bnx2_cnic(struct net_device *dev)
cdev->pcidev = pdev;
cp->chip_id = ethdev->chip_id;
cdev->max_iscsi_conn = ethdev->max_iscsi_conn;
cp->cnic_ops = &cnic_bnx2_ops;
cp->start_hw = cnic_start_bnx2_hw;
cp->stop_hw = cnic_stop_bnx2_hw;