Commit b72de3ff authored by Damien Le Moal's avatar Damien Le Moal Committed by Linus Walleij
Browse files

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: 96868dce ("gpio/sifive: Add GPIO driver for SiFive SoCs")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarDamien Le Moal <damien.lemoal@wdc.com>
Link: https://lore.kernel.org/r/20201107081420.60325-10-damien.lemoal@wdc.com


Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 45fe0b53

drivers/gpio/gpio-sifive.c

+1 −1
Original line number Diff line number Diff line
@@ -183,7 +183,7 @@ static int sifive_gpio_probe(struct platform_device *pdev) 
		return PTR_ERR(chip->regs);



	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",

			SIFIVE_GPIO_MAX);

		return -ENXIO;