On Thursday 29 June 2017 05:01 AM, Strashko, Grygorii wrote:
> IRQ_NOAUTOEN can't be used with shared IRQs and Kernel now will triggers
> warning if it happns, since commit 04c848d39879 ("genirq: Warn when
> IRQ_NOAUTOEN is used with shared interrupts"). And this is the case for
> OMAP DWC 3 driver.
>
> Hence, remove IRQ_NOAUTOEN flag and instead call disable_irq() before
> disabling PM runtime in probe error path handling.
Or, how about requesting the irq at the end of probe after extcon
registration?
>
> Fixes: 12a7f17fac5b ("usb: dwc3: omap: fix race of pm runtime with...")
> Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
> ---
> drivers/usb/dwc3/dwc3-omap.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
> index 9892650..cd9bef5 100644
> --- a/drivers/usb/dwc3/dwc3-omap.c
> +++ b/drivers/usb/dwc3/dwc3-omap.c
> @@ -512,7 +512,6 @@ static int dwc3_omap_probe(struct platform_device *pdev)
>
> /* check the DMA Status */
> reg = dwc3_omap_readl(omap->base, USBOTGSS_SYSCONFIG);
> - irq_set_status_flags(omap->irq, IRQ_NOAUTOEN);
> ret = devm_request_threaded_irq(dev, omap->irq, dwc3_omap_interrupt,
> dwc3_omap_interrupt_thread, IRQF_SHARED,
> "dwc3-omap", omap);
> @@ -533,10 +532,10 @@ static int dwc3_omap_probe(struct platform_device *pdev)
> }
>
> dwc3_omap_enable_irqs(omap);
> - enable_irq(omap->irq);
> return 0;
>
> err1:
> + disable_irq(omap->irq);
> pm_runtime_put_sync(dev);
> pm_runtime_disable(dev);
>
>
--
Regards
Vignesh
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