diff options
| author | Sudarsana Reddy Kalluru <sudarsana.Kalluru@cavium.com> | 2017-02-15 11:24:10 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-02-15 20:42:52 +0300 |
| commit | c78c70fa30e23dc6cdb394f6c13880919499fba5 (patch) | |
| tree | ed0b238632663f6f130faffd9ce2fef2a7df4cd8 /drivers/net/ethernet/qlogic/qed/qed_main.c | |
| parent | b93f79bea9c1fcb1dd4619eaa528b6a5688c3ece (diff) | |
| download | linux-c78c70fa30e23dc6cdb394f6c13880919499fba5.tar.xz | |
qed: Add infrastructure for PTP support
The patch adds the required qed interfaces for configuring/reading
the PTP clock on the adapter.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_main.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_main.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c index 93eee83ccdc3..592e104687a7 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_main.c +++ b/drivers/net/ethernet/qlogic/qed/qed_main.c @@ -902,6 +902,7 @@ static int qed_slowpath_start(struct qed_dev *cdev, struct qed_mcp_drv_version drv_version; const u8 *data = NULL; struct qed_hwfn *hwfn; + struct qed_ptt *p_ptt; int rc = -EINVAL; if (qed_iov_wq_start(cdev)) @@ -916,6 +917,14 @@ static int qed_slowpath_start(struct qed_dev *cdev, QED_FW_FILE_NAME); goto err; } + + p_ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev)); + if (p_ptt) { + QED_LEADING_HWFN(cdev)->p_ptp_ptt = p_ptt; + } else { + DP_NOTICE(cdev, "Failed to acquire PTT for PTP\n"); + goto err; + } } cdev->rx_coalesce_usecs = QED_DEFAULT_RX_USECS; @@ -1003,6 +1012,10 @@ err: if (IS_PF(cdev)) release_firmware(cdev->firmware); + if (IS_PF(cdev) && QED_LEADING_HWFN(cdev)->p_ptp_ptt) + qed_ptt_release(QED_LEADING_HWFN(cdev), + QED_LEADING_HWFN(cdev)->p_ptp_ptt); + qed_iov_wq_stop(cdev, false); return rc; @@ -1016,6 +1029,8 @@ static int qed_slowpath_stop(struct qed_dev *cdev) qed_ll2_dealloc_if(cdev); if (IS_PF(cdev)) { + qed_ptt_release(QED_LEADING_HWFN(cdev), + QED_LEADING_HWFN(cdev)->p_ptp_ptt); qed_free_stream_mem(cdev); if (IS_QED_ETH_IF(cdev)) qed_sriov_disable(cdev, true); |