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gpio: tz1090: Fix error handling of irq_of_parse_and_map

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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>
This commit is contained in:
Dmitry Torokhov 2014-11-14 13:32:56 -08:00 committed by Linus Walleij
parent d0c3d95ae2
commit 842e528e1a
1 changed files with 1 additions and 1 deletions
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2
drivers/gpio/gpio-tz1090.c
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@ -446,7 +446,7 @@ static int tz1090_gpio_bank_probe(struct tz1090_gpio_bank_info *info)
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;