gpio: tz1090: Fix error handling of irq_of_parse_and_map
irq_of_parse_and_map() returns 0 on error, so testing for negative
result never works.
Signed-off-by: Dmitry Torokhov <dtor@chromium.org>
Acked-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-tz1090.c b/drivers/gpio/gpio-tz1090.c
index 5246a60..6107d06 100644
--- a/drivers/gpio/gpio-tz1090.c
+++ b/drivers/gpio/gpio-tz1090.c
@@ -446,7 +446,7 @@
bank->irq = irq_of_parse_and_map(np, 0);
/* The interrupt is optional (it may be used by another core on chip) */
- if (bank->irq < 0) {
+ if (!bank->irq) {
dev_info(dev, "IRQ not provided for bank %u, IRQs disabled\n",
info->index);
return 0;