diff --git a/drivers/i2c/busses/i2c-uniphier.c b/drivers/i2c/busses/i2c-uniphier.c index 2b2c20b3a57a3165bbf7dd89531265bdc27a7926..1f4f3f53819c7a88516dad5eab11d773fceb89f9 100644 --- a/drivers/i2c/busses/i2c-uniphier.c +++ b/drivers/i2c/busses/i2c-uniphier.c @@ -327,6 +327,11 @@ static int uniphier_i2c_clk_init(struct device *dev, if (of_property_read_u32(np, "clock-frequency", &bus_speed)) bus_speed = UNIPHIER_I2C_DEFAULT_SPEED; + if (!bus_speed) { + dev_err(dev, "clock-freqyency should not be zero\n"); + return -EINVAL; + } + if (bus_speed > UNIPHIER_I2C_MAX_SPEED) bus_speed = UNIPHIER_I2C_MAX_SPEED;