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Date: Tue, 10 Aug 2021 19:29:16 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Matthias Schiffer <matthias.schiffer@...tq-group.com>, Andrew Lunn <andrew@...n.ch>, Linus Walleij <linus.walleij@...aro.org>, Bartosz Golaszewski <bgolaszewski@...libre.com>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 5.13 048/175] gpio: tqmx86: really make IRQ optional From: Matthias Schiffer <matthias.schiffer@...tq-group.com> [ Upstream commit 9b87f43537acfa24b95c236beba0f45901356eb2 ] The tqmx86 MFD driver was passing IRQ 0 for "no IRQ" in the past. This causes warnings with newer kernels. Prepare the gpio-tqmx86 driver for the fixed MFD driver by handling a missing IRQ properly. Fixes: b868db94a6a7 ("gpio: tqmx86: Add GPIO from for this IO controller") Signed-off-by: Matthias Schiffer <matthias.schiffer@...tq-group.com> Reviewed-by: Andrew Lunn <andrew@...n.ch> Acked-by: Linus Walleij <linus.walleij@...aro.org> Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/gpio/gpio-tqmx86.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpio/gpio-tqmx86.c b/drivers/gpio/gpio-tqmx86.c index 5022e0ad0fae..0f5d17f343f1 100644 --- a/drivers/gpio/gpio-tqmx86.c +++ b/drivers/gpio/gpio-tqmx86.c @@ -238,8 +238,8 @@ static int tqmx86_gpio_probe(struct platform_device *pdev) struct resource *res; int ret, irq; - irq = platform_get_irq(pdev, 0); - if (irq < 0) + irq = platform_get_irq_optional(pdev, 0); + if (irq < 0 && irq != -ENXIO) return irq; res = platform_get_resource(pdev, IORESOURCE_IO, 0); @@ -278,7 +278,7 @@ static int tqmx86_gpio_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); - if (irq) { + if (irq > 0) { struct irq_chip *irq_chip = &gpio->irq_chip; u8 irq_status; -- 2.30.2
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