diff options
| author | Grygorii Strashko <grygorii.strashko@ti.com> | 2020-04-23 17:20:22 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-04-23 22:50:21 +0300 |
| commit | 84ea9c0a95d7b3e554d6c3d7d719cc57be22e7ad (patch) | |
| tree | 9cca07cc905d2b00bd88052f6bd1c49e65bfbd33 /drivers/net/ethernet/ti/cpsw.c | |
| parent | b78aba495df0eaee4f4a779b2354d6e2a43a3d70 (diff) | |
| download | linux-84ea9c0a95d7b3e554d6c3d7d719cc57be22e7ad.tar.xz | |
net: ethernet: ti: cpsw: enable cpts irq
The CPSW misc IRQ need be enabled for CPTS event_pend IRQs processing. This
patch adds corresponding support to CPSW driver.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/ti/cpsw.c')
| -rw-r--r-- | drivers/net/ethernet/ti/cpsw.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index c2c5bf87da01..09f98fa2fb4e 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -1569,6 +1569,12 @@ static int cpsw_probe(struct platform_device *pdev) return irq; cpsw->irqs_table[1] = irq; + /* get misc irq*/ + irq = platform_get_irq(pdev, 3); + if (irq <= 0) + return irq; + cpsw->misc_irq = irq; + /* * This may be required here for child devices. */ @@ -1703,6 +1709,21 @@ static int cpsw_probe(struct platform_device *pdev) goto clean_unregister_netdev_ret; } + if (!cpsw->cpts) + goto skip_cpts; + + ret = devm_request_irq(&pdev->dev, cpsw->misc_irq, cpsw_misc_interrupt, + 0, dev_name(&pdev->dev), cpsw); + if (ret < 0) { + dev_err(dev, "error attaching misc irq (%d)\n", ret); + goto clean_unregister_netdev_ret; + } + + /* Enable misc CPTS evnt_pend IRQ */ + cpts_set_irqpoll(cpsw->cpts, false); + writel(0x10, &cpsw->wr_regs->misc_en); + +skip_cpts: cpsw_notice(priv, probe, "initialized device (regs %pa, irq %d, pool size %d)\n", &ss_res->start, cpsw->irqs_table[0], descs_pool_size); |