X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fgpio%2Fgpio-aspeed.c;h=4ca436e66bdb24f674280dd51a459a3d90809457;hb=c8636b90a091331beb0a26c455a0c87b93aa774a;hp=ccea609676eebfe8bbcd6e01acaa8f6c4499ffe7;hpb=291b38a7565b41676cafd1b4052315a94d9c8977;p=karo-tx-linux.git

diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c
index ccea609676ee..4ca436e66bdb 100644
--- a/drivers/gpio/gpio-aspeed.c
+++ b/drivers/gpio/gpio-aspeed.c
@@ -646,6 +646,9 @@ static int enable_debounce(struct gpio_chip *chip, unsigned int offset,
 	int rc;
 	int i;
 
+	if (!gpio->clk)
+		return -EINVAL;
+
 	rc = usecs_to_cycles(gpio, usecs, &requested_cycles);
 	if (rc < 0) {
 		dev_warn(chip->parent, "Failed to convert %luus to cycles at %luHz: %d\n",