[PATCH 4/4 v3] gpio: of: Fix logic inversion

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

The SPI chip selects were not properly inspected due to
a logic inversion. This made SPI GPIOs not work.

Cc: Jan Kotas <jank@xxxxxxxxxxx>
Reported-by: Jan Kotas <jank@xxxxxxxxxxx>
Tested-by: Jan Kotas <jank@xxxxxxxxxxx>
Fixes: f3186dd87669 ("spi: Optionally use GPIO descriptors for CS GPIOs")
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
ChangeLog v1->v3:
- New patch
- Collected Jan's Tested-by

This was rootcaused by Jan, Mark please apply this to the
SPI tree with the rest of the fixes!
---
 drivers/gpio/gpiolib-of.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index a6e1891217e2..c34eb9d9c59a 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -125,7 +125,7 @@ static void of_gpio_flags_quirks(struct device_node *np,
 
 		for_each_child_of_node(np, child) {
 			ret = of_property_read_u32(child, "reg", &cs);
-			if (!ret)
+			if (ret)
 				continue;
 			if (cs == index) {
 				/*
-- 
2.20.1