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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




On Tue, Feb 18, 2014 at 12:36:02PM +0100, Philipp Zabel wrote:
> From: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
> 
> 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.

-- 
FTTC broadband for 0.8mile line: now at 9.7Mbps down 460kbps up... slowly
improving, and getting towards what was expected from it.
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]
  Powered by Linux