4.17-stable review patch. If anyone has any objections, please let me know.
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From: Sudarsana Reddy Kalluru sudarsana.kalluru@cavium.com
[ Upstream commit 82a4e71b1565dea8387f54503e806cf374e779ec ]
When ptp clock is not available for a PF (e.g., higher PFs in NPAR mode), get-tsinfo() callback should return the software timestamp capabilities instead of returning the error.
Fixes: 4c55215c ("qede: Add driver support for PTP") Signed-off-by: Sudarsana Reddy Kalluru Sudarsana.Kalluru@cavium.com Signed-off-by: Michal Kalderon Michal.Kalderon@cavium.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/qlogic/qede/qede_ptp.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)
--- a/drivers/net/ethernet/qlogic/qede/qede_ptp.c +++ b/drivers/net/ethernet/qlogic/qede/qede_ptp.c @@ -337,8 +337,14 @@ int qede_ptp_get_ts_info(struct qede_dev { struct qede_ptp *ptp = edev->ptp;
- if (!ptp) - return -EIO; + if (!ptp) { + info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | + SOF_TIMESTAMPING_RX_SOFTWARE | + SOF_TIMESTAMPING_SOFTWARE; + info->phc_index = -1; + + return 0; + }
info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | SOF_TIMESTAMPING_RX_SOFTWARE |