From 84ea9c0a95d7b3e554d6c3d7d719cc57be22e7ad Mon Sep 17 00:00:00 2001 From: Grygorii Strashko Date: Thu, 23 Apr 2020 17:20:22 +0300 Subject: 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 Acked-by: Richard Cochran Signed-off-by: David S. Miller --- drivers/net/ethernet/ti/cpsw_new.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'drivers/net/ethernet/ti/cpsw_new.c') diff --git a/drivers/net/ethernet/ti/cpsw_new.c b/drivers/net/ethernet/ti/cpsw_new.c index 9209e613257d..33c8dd686206 100644 --- a/drivers/net/ethernet/ti/cpsw_new.c +++ b/drivers/net/ethernet/ti/cpsw_new.c @@ -1896,6 +1896,11 @@ static int cpsw_probe(struct platform_device *pdev) return irq; cpsw->irqs_table[1] = irq; + irq = platform_get_irq_byname(pdev, "misc"); + if (irq <= 0) + return irq; + cpsw->misc_irq = irq; + platform_set_drvdata(pdev, cpsw); /* This may be required here for child devices. */ pm_runtime_enable(dev); @@ -1975,6 +1980,21 @@ static int cpsw_probe(struct platform_device *pdev) goto clean_unregister_netdev; } + if (!cpsw->cpts) + goto skip_cpts; + + ret = devm_request_irq(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; + } + + /* Enable misc CPTS evnt_pend IRQ */ + cpts_set_irqpoll(cpsw->cpts, false); + writel(0x10, &cpsw->wr_regs->misc_en); + +skip_cpts: ret = cpsw_register_notifiers(cpsw); if (ret) goto clean_unregister_netdev; -- cgit v1.2.3-59-g8ed1b