Messages in this thread | | | Date | Thu, 5 Nov 2020 22:10:38 +0100 | From | Sam Ravnborg <> | Subject | Re: [PATCH v2] drm/bridge: tpd12s015: Fix irq registering in tpd12s015_probe |
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Hi YueHaibing
On Mon, Nov 02, 2020 at 10:30:24PM +0800, YueHaibing wrote: > gpiod_to_irq() return negative value in case of error, > the existing code doesn't handle negative error codes. > If the HPD gpio supports IRQs (gpiod_to_irq returns a > valid number), we use the IRQ. If it doesn't (gpiod_to_irq > returns an error), it gets polled via detect(). > > Fixes: cff5e6f7e83f ("drm/bridge: Add driver for the TI TPD12S015 HDMI level shifter") > Signed-off-by: YueHaibing <yuehaibing@huawei.com> > --- > v2: Add checking for >= 0 and update commit message
Thanks, applied to drm-misc-next.
Sam
> --- > drivers/gpu/drm/bridge/ti-tpd12s015.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/bridge/ti-tpd12s015.c b/drivers/gpu/drm/bridge/ti-tpd12s015.c > index 514cbf0eac75..e0e015243a60 100644 > --- a/drivers/gpu/drm/bridge/ti-tpd12s015.c > +++ b/drivers/gpu/drm/bridge/ti-tpd12s015.c > @@ -160,7 +160,7 @@ static int tpd12s015_probe(struct platform_device *pdev) > > /* Register the IRQ if the HPD GPIO is IRQ-capable. */ > tpd->hpd_irq = gpiod_to_irq(tpd->hpd_gpio); > - if (tpd->hpd_irq) { > + if (tpd->hpd_irq >= 0) { > ret = devm_request_threaded_irq(&pdev->dev, tpd->hpd_irq, NULL, > tpd12s015_hpd_isr, > IRQF_TRIGGER_RISING | > -- > 2.17.1 > > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel
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