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Re: [PATCH v3 05/24] ARM: dts: imx6qdl-sabrelite: remove erratum ERR006687 workaround

From Philipp Zabel <p.zabel@pengutronix.de>
Newsgroups linux.kernel
Subject Re: [PATCH v3 05/24] ARM: dts: imx6qdl-sabrelite: remove erratum ERR006687 workaround
Date 2017-01-13 13:10 +0100
Message-ID <sZ8Qd-HA-97@gated-at.bofh.it> (permalink)
References <sWOLT-2qI-3@gated-at.bofh.it> <sWOLU-2qI-31@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Am Freitag, den 06.01.2017, 18:11 -0800 schrieb Steve Longerbeam:
> There is a pin conflict with GPIO_6. This pin functions as a power
> input pin to the OV5642 camera sensor, but ENET uses it as the h/w
> workaround for erratum ERR006687, to wake-up the ARM cores on normal
> RX and TX packet done events. So we need to remove the h/w workaround
> to support the OV5642. The result is that the CPUidle driver will no
> longer allow entering the deep idle states on the sabrelite.
> 
> This is a partial revert of
> 
> commit 6261c4c8f13e ("ARM: dts: imx6qdl-sabrelite: use GPIO_6 for FEC
> 			interrupt.")
> commit a28eeb43ee57 ("ARM: dts: imx6: tag boards that have the HW workaround
> 			for ERR006687")
> 
> Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>

Pity this has to be removed for all, Nitrogen6X should really use DT
overlays for the add-on boards / cameras.

regards
Philipp

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[PATCH v3 05/24] ARM: dts: imx6qdl-sabrelite: remove erratum ERR006687 workaround Steve Longerbeam <slongerbeam@gmail.com> - 2017-01-07 03:20 +0100
  Re: [PATCH v3 05/24] ARM: dts: imx6qdl-sabrelite: remove erratum  ERR006687 workaround Philipp Zabel <p.zabel@pengutronix.de> - 2017-01-13 13:10 +0100

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