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gpio: sifive: Fix SiFive gpio probe 

Fix the check on the number of IRQs to allow up to the maximum (32)
instead of only the maximum minus one.

Fixes: 96868dce64 ("gpio/sifive: Add GPIO driver for SiFive SoCs")
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Link: https://lore.kernel.org/r/20201107081420.60325-10-damien.lemoal@wdc.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Damien Le Moal 2020-11-07 17:13:57 +09:00 committed by Linus Walleij
parent 45fe0b539b
commit b72de3ff19
1 changed files with 1 additions and 1 deletions
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2
drivers/gpio/gpio-sifive.c
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@ -183,7 +183,7 @@ static int sifive_gpio_probe(struct platform_device *pdev)
return PTR_ERR(chip->regs); return PTR_ERR(chip->regs);
ngpio = of_irq_count(node); ngpio = of_irq_count(node);
if (ngpio >= SIFIVE_GPIO_MAX) { if (ngpio > SIFIVE_GPIO_MAX) {
dev_err(dev, "Too many GPIO interrupts (max=%d)\n", dev_err(dev, "Too many GPIO interrupts (max=%d)\n",
SIFIVE_GPIO_MAX); SIFIVE_GPIO_MAX);
return -ENXIO; return -ENXIO;