On Mon, Jul 24, 2023 at 7:52 AM <carlos.song@xxxxxxx> wrote: > > From: Gao Pan <pandy.gao@xxxxxxx> > > Output error log when i2c peripheral clk rate is 0, then > directly return -EINVAL. > > Fixes: a55fa9d0e42e ("i2c: imx-lpi2c: add low power i2c bus driver") > Signed-off-by: Gao Pan <pandy.gao@xxxxxxx> > Signed-off-by: Carlos Song <carlos.song@xxxxxxx> > --- > drivers/i2c/busses/i2c-imx-lpi2c.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c > index e93ff3b5373c..12b4f2a89343 100644 > --- a/drivers/i2c/busses/i2c-imx-lpi2c.c > +++ b/drivers/i2c/busses/i2c-imx-lpi2c.c > @@ -214,6 +214,11 @@ static int lpi2c_imx_config(struct lpi2c_imx_struct *lpi2c_imx) > lpi2c_imx_set_mode(lpi2c_imx); > > clk_rate = clk_get_rate(lpi2c_imx->clks[0].clk); > + if (!clk_rate) { > + dev_err(&lpi2c_imx->adapter.dev, "clk_per rate is 0\n"); The subject says 'debug message', but this is an error message. Please adjust the Subject.