Hi
Thanks for your feedback.
On 17 9月 21 10:17:29, Daniel Thompson wrote:
> On Fri, Sep 17, 2021 at 11:13:06AM +0800, Cai Huoqing wrote:
> > When possible use dev_err_probe help to properly deal with the
> > PROBE_DEFER error, the benefit is that DEFER issue will be logged
> > in the devices_deferred debugfs file.
> > Using dev_err_probe() can reduce code size, and the error value
> > gets printed.
> >
> > Signed-off-by: Cai Huoqing <caihuoqing@xxxxxxxxx>
>
> Change seems OK but does this really need to be done one file at a time?
> I'd prefer to see all of backlight handled in one go (given the scope of
> this change if applied across the kernel it needs automatic tooling
> anyway).
Only two related patches for backlight.
I try to keep one patch for a subdriver, sometimes different
subdriver owner need to mark reviwed independently.
Thanks,
Cai
>
> Daniel.
>
>
> > ---
> > drivers/video/backlight/bd6107.c | 16 ++++++----------
> > 1 file changed, 6 insertions(+), 10 deletions(-)
> >
> > diff --git a/drivers/video/backlight/bd6107.c b/drivers/video/backlight/bd6107.c
> > index 515184fbe33a..e21b793302a2 100644
> > --- a/drivers/video/backlight/bd6107.c
> > +++ b/drivers/video/backlight/bd6107.c
> > @@ -120,7 +120,6 @@ static int bd6107_probe(struct i2c_client *client,
> > struct backlight_device *backlight;
> > struct backlight_properties props;
> > struct bd6107 *bd;
> > - int ret;
> >
> > if (pdata == NULL) {
> > dev_err(&client->dev, "No platform data\n");
> > @@ -148,11 +147,9 @@ static int bd6107_probe(struct i2c_client *client,
> > * the reset.
> > */
> > bd->reset = devm_gpiod_get(&client->dev, "reset", GPIOD_OUT_HIGH);
> > - if (IS_ERR(bd->reset)) {
> > - dev_err(&client->dev, "unable to request reset GPIO\n");
> > - ret = PTR_ERR(bd->reset);
> > - return ret;
> > - }
> > + if (IS_ERR(bd->reset))
> > + return dev_err_probe(&client->dev, PTR_ERR(bd->reset),
> > + "unable to request reset GPIO\n");
> >
> > memset(&props, 0, sizeof(props));
> > props.type = BACKLIGHT_RAW;
> > @@ -164,10 +161,9 @@ static int bd6107_probe(struct i2c_client *client,
> > dev_name(&client->dev),
> > &bd->client->dev, bd,
> > &bd6107_backlight_ops, &props);
> > - if (IS_ERR(backlight)) {
> > - dev_err(&client->dev, "failed to register backlight\n");
> > - return PTR_ERR(backlight);
> > - }
> > + if (IS_ERR(backlight))
> > + return dev_err_probe(&client->dev, PTR_ERR(backlight),
> > + "failed to register backlight\n");
> >
> > backlight_update_status(backlight);
> > i2c_set_clientdata(client, backlight);
> > --
> > 2.25.1
> >
