Hi Ying Liu,
On Tue, Jul 18, 2023 at 09:00:25AM +0000, Ying Liu wrote:
> > > + if (IS_ERR(dsi->regmap)) {
> > > + ret = PTR_ERR(dsi->regmap);
> > > + DRM_DEV_ERROR(dev, "failed to get block ctrl regmap:
> > %d\n", ret);
> >
> > Could you use dev_err_probe here instead?
>
> Maybe, it's better to keep using DRM_DEV_ERROR to achieve consistent
> error log format across the driver which is implemented in drm_dev_printk().
> I see other DRM drivers do the same.
All the DRM_* macros are deprecated.
New code shall use drm_*, dev_* or pr_ as appropriate.
The appropriate variant here is dev_err_probe().
Sam
