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gpio: ftgpio010: Fix platform_get_irq's error checking 

The platform_get_irq() function returns negative if an error occurs.
zero or positive number on success. platform_get_irq() error checking
for zero is not correct.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
hifive-unleashed-5.1
Arvind Yadav 2017-12-02 22:31:01 +05:30 committed by Linus Walleij
parent 1b43d26985
commit 4070a53496
1 changed files with 2 additions and 2 deletions
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4
drivers/gpio/gpio-ftgpio010.c
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@ -176,8 +176,8 @@ static int ftgpio_gpio_probe(struct platform_device *pdev)
return PTR_ERR(g->base);
irq = platform_get_irq(pdev, 0);
if (!irq)
return -EINVAL;
if (irq <= 0)
return irq ? irq : -EINVAL;
ret = bgpio_init(&g->gc, dev, 4,
g->base + GPIO_DATA_IN,