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pinctrl: pistachio: fix use of irq_of_parse_and_map()

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[ Upstream commit 0c9843a74a85224a89daa81fa66891dae2f930e1 ]

The irq_of_parse_and_map() function returns 0 on failure, and does not
return an negative value.

Fixes: cefc03e599 ("pinctrl: Add Pistachio SoC pin control driver")
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>
Link: https://lore.kernel.org/r/20220424031430.3170759-1-lv.ruyi@zte.com.cn
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Lv Ruyi 2022-04-24 03:14:30 +00:00 committed by Greg Kroah-Hartman
parent 8f042884af
commit fb172e93f8
1 changed files with 3 additions and 3 deletions
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6
drivers/pinctrl/pinctrl-pistachio.c
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@ -1374,10 +1374,10 @@ static int pistachio_gpio_register(struct pistachio_pinctrl *pctl)
}
irq = irq_of_parse_and_map(child, 0);
if (irq < 0) {
dev_err(pctl->dev, "No IRQ for bank %u: %d\n", i, irq);
if (!irq) {
dev_err(pctl->dev, "No IRQ for bank %u\n", i);
of_node_put(child);
ret = irq;
ret = -EINVAL;
goto err;
}