[RFC PATCH v3 1/9] staging: imx-drm-core: don't request probe deferral in imx_drm_encoder_parse_of

[Russell King - ARM Linux]

On Tue, Feb 18, 2014 at 12:36:02PM +0100, Philipp Zabel wrote:
> From: Lucas Stach <l.stach at pengutronix.de>
> 
> Since imx_drm_encoder_parse_of is called from the encoder bind callbacks,
> it is too late to request probe deferral. Rather the core should make sure
> that the crtcs are bound before the encoders, after all needed components
> are probed.

Why is it too late?  -EPROBE_DEFER from this point will cause the driver
initialisation to correctly unwind and return -EPROBE_DEFER to the
last-to-be-added component.

> This fixes probe failure when using the LDB on i.MX6.

More details please.

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