Kieran Bingham, Thu, Jun 18, 2020 18:17:04 +0200: > On 02/04/2020 19:34, Alex Riesen wrote: > > To avoid setting it up even if the hardware is not actually connected > > to anything physically. > > > > Besides, the bindings explicitly notes that port definitions are > > "optional if they are not connected to anything at the hardware level". > > > > Signed-off-by: Alexander Riesen <alexander.riesen@xxxxxxxxxxx> > > --- > > drivers/media/i2c/adv748x/adv748x-dai.c | 5 +++++ > > 1 file changed, 5 insertions(+) > > > > diff --git a/drivers/media/i2c/adv748x/adv748x-dai.c b/drivers/media/i2c/adv748x/adv748x-dai.c > > index 185f78023e91..f9cc47fa9ad1 100644 > > --- a/drivers/media/i2c/adv748x/adv748x-dai.c > > +++ b/drivers/media/i2c/adv748x/adv748x-dai.c > > @@ -216,6 +216,11 @@ int adv748x_dai_init(struct adv748x_dai *dai) > > int ret; > > struct adv748x_state *state = adv748x_dai_to_state(dai); > > > > + if (!state->endpoints[ADV748X_PORT_I2S]) { > > + adv_info(state, "no I2S port, DAI disabled\n"); > > + ret = 0; > > + goto fail; > > How about just 'return 0'? Indeed. In the retrospect, the whole event of loading the DAI driver does not feel that important anymore to warrant logging on info prio. > Reviewed-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx> > > This could also be folded into 5/9 too I guess?, though it is easier to > review the sequential additions, rather than the one-big-feature > addition ;-) I would prefer to have it separately, if you don't mind: maybe not a big one, but loading a driver without hardware for it *is* an event. Thanks, Alex