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: 96868dce644d ("gpio/sifive: Add GPIO driver for SiFive SoCs")
Cc: [email protected]
Signed-off-by: Damien Le Moal <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Linus Walleij <[email protected]>

diff --git a/drivers/gpio/gpio-sifive.c b/drivers/gpio/gpio-sifive.c
index c54dd08f2cbfd3c75d74ffec723f4e0e5f72e4f7..d5eb9ca119016c6ba7882334ee2eaf16ce77949a 100644 (file)
--- a/drivers/gpio/gpio-sifive.c
+++ b/drivers/gpio/gpio-sifive.c
@@ -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;