From: jiangzhipeng <jiangzhipeng@xxxxxxxxxx> When devm_gpiochip_add_data() failed ,print err log Signed-off-by: jiangzhipeng <jiangzhipeng@xxxxxxxxxx> --- drivers/input/keyboard/adp5589-keys.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/input/keyboard/adp5589-keys.c b/drivers/input/keyboard/adp5589-keys.c index 654e047..e99c0bd 100644 --- a/drivers/input/keyboard/adp5589-keys.c +++ b/drivers/input/keyboard/adp5589-keys.c @@ -526,8 +526,10 @@ static int adp5589_gpio_add(struct adp5589_kpad *kpad) mutex_init(&kpad->gpio_lock); error = devm_gpiochip_add_data(dev, &kpad->gc, kpad); - if (error) + if (error) { + dev_err(dev, "devm_gpiochip_add_data() failed, err: %d\n", error); return error; + } for (i = 0; i <= kpad->var->bank(kpad->var->maxgpio); i++) { kpad->dat_out[i] = adp5589_read(kpad->client, kpad->var->reg( -- 1.9.1