The valid gpio is GPIO0 ~ GPIO58, so ngpio should be RDC321X_MAX_GPIO + 1.
Signed-off-by: Axel Lin <[email protected]>
---
drivers/gpio/gpio-rdc321x.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-rdc321x.c b/drivers/gpio/gpio-rdc321x.c
index 88577c3..9e7da2d 100644
--- a/drivers/gpio/gpio-rdc321x.c
+++ b/drivers/gpio/gpio-rdc321x.c
@@ -176,7 +176,7 @@ static int rdc321x_gpio_probe(struct platform_device *pdev)
rdc321x_gpio_dev->chip.get = rdc_gpio_get_value;
rdc321x_gpio_dev->chip.set = rdc_gpio_set_value;
rdc321x_gpio_dev->chip.base = 0;
- rdc321x_gpio_dev->chip.ngpio = pdata->max_gpios;
+ rdc321x_gpio_dev->chip.ngpio = pdata->max_gpios + 1;
platform_set_drvdata(pdev, rdc321x_gpio_dev);
--
1.8.3.2
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