diff options
| author | Lendacky, Thomas <Thomas.Lendacky@amd.com> | 2016-11-10 17:10:36 -0600 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-11-13 00:56:26 -0500 |
| commit | 5ab1dcd58597c04f6d50980c3d5f3c2518301b31 (patch) | |
| tree | a96707a358bcafd5965b6d0a96a25c643d1f6b7b /drivers/net/ethernet/amd/xgbe/xgbe-main.c | |
| parent | e78332b2285d9fe631a093fc8ca2b604c48c33e6 (diff) | |
| download | linux-5ab1dcd58597c04f6d50980c3d5f3c2518301b31.tar.bz2 | |
amd-xgbe: Add I2C support for sideband communication
Add support to initialize and use the I2C controller within the hardware
in order to perform sideband communication, e.g. determine the SFP media
type that is installed.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe-main.c')
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-main.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-main.c b/drivers/net/ethernet/amd/xgbe/xgbe-main.c index b16b7b62dee0..385b7f605200 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-main.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-main.c @@ -161,6 +161,7 @@ static void xgbe_init_all_fptrs(struct xgbe_prv_data *pdata) { xgbe_init_function_ptrs_dev(&pdata->hw_if); xgbe_init_function_ptrs_phy(&pdata->phy_if); + xgbe_init_function_ptrs_i2c(&pdata->i2c_if); xgbe_init_function_ptrs_desc(&pdata->desc_if); pdata->vdata->init_function_ptrs_phy_impl(&pdata->phy_if); @@ -186,6 +187,8 @@ struct xgbe_prv_data *xgbe_alloc_pdata(struct device *dev) spin_lock_init(&pdata->xpcs_lock); mutex_init(&pdata->rss_mutex); spin_lock_init(&pdata->tstamp_lock); + mutex_init(&pdata->i2c_mutex); + init_completion(&pdata->i2c_complete); pdata->msg_enable = netif_msg_init(debug, default_msg_level); @@ -397,6 +400,10 @@ int xgbe_config_netdev(struct xgbe_prv_data *pdata) snprintf(pdata->ecc_name, sizeof(pdata->ecc_name) - 1, "%s-ecc", netdev_name(netdev)); + /* Create the I2C name based on netdev name */ + snprintf(pdata->i2c_name, sizeof(pdata->i2c_name) - 1, "%s-i2c", + netdev_name(netdev)); + /* Create workqueues */ pdata->dev_workqueue = create_singlethread_workqueue(netdev_name(netdev)); |