[PATCH] gpio: xgs-iproc: fix parsing of ngpios property

[Jonas Gorski <jonas.gorski@xxxxxxxxx>]

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: 6a41b6c5fc20 ("gpio: Add xgs-iproc driver")
Signed-off-by: Jonas Gorski <jonas.gorski@xxxxxxxxx>
---
This is based on
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git,
which is the tree for GPIO according to MAINTAINERS, but hasn't been
updated since ~5.11 - is this still the correct tree?

It doesn't matter much for this patch though, the driver is virtually
untouched since then.

 drivers/gpio/gpio-xgs-iproc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-xgs-iproc.c b/drivers/gpio/gpio-xgs-iproc.c
index ad5489a65d54..dd40277b9d06 100644
--- a/drivers/gpio/gpio-xgs-iproc.c
+++ b/drivers/gpio/gpio-xgs-iproc.c
@@ -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);
-- 
2.33.0