diff options
| author | Horatiu Vultur <horatiu.vultur@microchip.com> | 2022-03-04 12:08:59 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-03-04 13:03:10 +0000 |
| commit | d31d37912ea79f1e47e8c2998eae0109f57dc298 (patch) | |
| tree | f2bf3a5de61461f6f20f87a5f47ec3b4874c803d /drivers/net/ethernet/microchip/sparx5/sparx5_main.c | |
| parent | 70dfe25cd8666d1d1518d615283940108bb364e7 (diff) | |
net: sparx5: Add support for ptp interrupts
When doing 2-step timestamping the HW will generate an interrupt when it
managed to timestamp a frame. It is the SW responsibility to read it
from the FIFO.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/microchip/sparx5/sparx5_main.c')
| -rw-r--r-- | drivers/net/ethernet/microchip/sparx5/sparx5_main.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_main.c b/drivers/net/ethernet/microchip/sparx5/sparx5_main.c index f72da757d0fa..5f7c7030ce03 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_main.c +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_main.c @@ -693,6 +693,18 @@ static int sparx5_start(struct sparx5 *sparx5) } else { sparx5->xtr_irq = -ENXIO; } + + if (sparx5->ptp_irq >= 0) { + err = devm_request_threaded_irq(sparx5->dev, sparx5->ptp_irq, + NULL, sparx5_ptp_irq_handler, + IRQF_ONESHOT, "sparx5-ptp", + sparx5); + if (err) + sparx5->ptp_irq = -ENXIO; + + sparx5->ptp = 1; + } + return err; } @@ -809,6 +821,7 @@ static int mchp_sparx5_probe(struct platform_device *pdev) sparx5->fdma_irq = platform_get_irq_byname(sparx5->pdev, "fdma"); sparx5->xtr_irq = platform_get_irq_byname(sparx5->pdev, "xtr"); + sparx5->ptp_irq = platform_get_irq_byname(sparx5->pdev, "ptp"); /* Read chip ID to check CPU interface */ sparx5->chip_id = spx5_rd(sparx5, GCB_CHIP_ID); |