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gpio: xgs-iproc: fix parsing of ngpios property

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commit 85fe6415c1 upstream.

of_property_read_u32 returns 0 on success, not true, so we need to
invert the check to actually take over the provided ngpio value.

Fixes: 6a41b6c5fc ("gpio: Add xgs-iproc driver")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jonas Gorski
2021-10-14 14:33:42 +02:00
committed by Greg Kroah-Hartman
parent 863a423ee0
commit aead02927a
1 changed files with 1 additions and 1 deletions
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2
drivers/gpio/gpio-xgs-iproc.c
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@@ -224,7 +224,7 @@ static int iproc_gpio_probe(struct platform_device *pdev)
}
chip->gc.label = dev_name(dev);
if (of_property_read_u32(dn, "ngpios", &num_gpios))
if (!of_property_read_u32(dn, "ngpios", &num_gpios))
chip->gc.ngpio = num_gpios;
irq = platform_get_irq(pdev, 0);