diff options
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c index 687acf71fa15..5eedb98ff581 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c @@ -925,6 +925,20 @@ static int set_flash(struct net_device *netdev, struct ethtool_flash *ef) const struct firmware *fw; struct adapter *adap = netdev2adap(netdev); unsigned int mbox = PCIE_FW_MASTER_M + 1; + u32 pcie_fw; + unsigned int master; + u8 master_vld = 0; + + pcie_fw = t4_read_reg(adap, PCIE_FW_A); + master = PCIE_FW_MASTER_G(pcie_fw); + if (pcie_fw & PCIE_FW_MASTER_VLD_F) + master_vld = 1; + /* if csiostor is the master return */ + if (master_vld && (master != adap->pf)) { + dev_warn(adap->pdev_dev, + "cxgb4 driver needs to be loaded as MASTER to support FW flash\n"); + return -EOPNOTSUPP; + } ef->data[sizeof(ef->data) - 1] = '\0'; ret = request_firmware(&fw, ef->data, adap->pdev_dev); |