Hi Prabhakar, On Mon, Apr 6, 2020 at 6:43 PM Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> wrote: > PLL's on platforms might not be so accurate enough to generate the > required clock frequency, so instead of erroring out on xvlck frequency xvclk? (but see below) > mismatch just warn the user and continue ahead in probe. > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> Like for 2/5, what about the xvclk naming? > --- a/drivers/media/i2c/ov5645.c > +++ b/drivers/media/i2c/ov5645.c > @@ -1103,11 +1103,8 @@ static int ov5645_probe(struct i2c_client *client) > } > /* external clock must be 24MHz, allow 1% tolerance */ > xclk_freq = clk_get_rate(ov5645->xclk); > - if (xclk_freq < 23760000 || xclk_freq > 24240000) { > - dev_err(dev, "external clock frequency %u is not supported\n", > - xclk_freq); > - return -EINVAL; > - } > + if (xclk_freq < 23760000 || xclk_freq > 24240000) > + dev_warn(dev, "xvclk mismatched, modes are based on 24MHz\n"); Calling it "xvclk" here will confuse the user, as the clock is named "xclk" in DT? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds