On 2017-04-03 12:26, Wolfram Sang wrote: > On Mon, Apr 03, 2017 at 10:38:38AM +0200, Peter Rosin wrote: >> i2c_mux_add_adapter already logs a message on failure. >> >> Signed-off-by: Peter Rosin <peda@xxxxxxxxxx> >> --- >> drivers/media/usb/cx231xx/cx231xx-i2c.c | 15 ++++----------- >> 1 file changed, 4 insertions(+), 11 deletions(-) >> >> diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c b/drivers/media/usb/cx231xx/cx231xx-i2c.c >> index 35e9acfe63d3..dff514e147da 100644 >> --- a/drivers/media/usb/cx231xx/cx231xx-i2c.c >> +++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c >> @@ -576,17 +576,10 @@ int cx231xx_i2c_mux_create(struct cx231xx *dev) >> >> int cx231xx_i2c_mux_register(struct cx231xx *dev, int mux_no) >> { >> - int rc; >> - >> - rc = i2c_mux_add_adapter(dev->muxc, >> - 0, >> - mux_no /* chan_id */, >> - 0 /* class */); >> - if (rc) >> - dev_warn(dev->dev, >> - "i2c mux %d register FAILED\n", mux_no); >> - >> - return rc; >> + return i2c_mux_add_adapter(dev->muxc, >> + 0, >> + mux_no /* chan_id */, >> + 0 /* class */); > > Could be argued that the whole function is obsolete now and the > c231xx-core can call i2c_mux_add_adapter() directly. But maybe this is a > seperate patch. Agreed on all counts. BTW, the ..._unregister function below is equally "obsolete". I'm going to leave the removal of both functions at the discretion of whomever takes care of cx231xx maintenance... Cheers, peda >> } >> >> void cx231xx_i2c_mux_unregister(struct cx231xx *dev) >> -- >> 2.1.4 >>