On Mon, Aug 19, 2019 at 12:46:16PM +0200, Sam Ravnborg wrote:
> Hi Bogdan.
>
> > > > adv7533_detach_dsi(adv7511);
> > > > i2c_unregister_device(adv7511->i2c_cec);
> > > > if (adv7511->cec_clk)
> > > > @@ -1266,8 +1278,9 @@ static const struct i2c_device_id
> > > > adv7511_i2c_ids[] = {
> > > > { "adv7511", ADV7511 },
> > > > { "adv7511w", ADV7511 },
> > > > { "adv7513", ADV7511 },
> > > > -#ifdef CONFIG_DRM_I2C_ADV7533
> > > > +#ifdef CONFIG_DRM_I2C_ADV753x
> > > > { "adv7533", ADV7533 },
> > > > + { "adv7535", ADV7535 },
> > > > #endif
> > >
> > > This ifdef may not be needed??
> > > If we did not get this type we will not look it up.
> > But if we have defined in DT adv7533/5 device but
> > CONFIG_DRM_I2C_ADV753x not selected probe will fail with ENODEV. That
> > would be ok?
>
> What do we gain from this complexity in the end.
> Why not let the driver always support all variants.
>
> If this result in a simpler driver, and less choices in Kconfig
> then it is a win-win.
Yeah in general we don't Kconfig within drivers in drm to disable specific
code-paths. It's not worth the pain.
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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