linux-kernel - Re: [PATCH 1/5] soc: mediatek: Add infracfg misc driver support

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Message-ID: <7hfv6jorw9.fsf@deeprootsystems.com>
Date:	Tue, 26 May 2015 16:12:06 -0700
From:	Kevin Hilman <khilman@...nel.org>
To:	Sascha Hauer <s.hauer@...gutronix.de>
Cc:	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org,
	kernel@...gutronix.de, Matthias Brugger <matthias.bgg@...il.com>
Subject: Re: [PATCH 1/5] soc: mediatek: Add infracfg misc driver support

Sascha Hauer <s.hauer@...gutronix.de> writes:

> This adds support for some miscellaneous bits of the infracfg controller.
> The mtk_infracfg_set/clear_bus_protection functions are necessary for
> the scpsys power domain driver to handle the bus protection bits which
> are contained in the infacfg register space.
>
> Signed-off-by: Sascha Hauer <s.hauer@...gutronix.de>

IMO, this feature still needs more documentation.  From an earlier
exchange with James Liao, he was able to get some more details from the
HW designer[1] which I think belong in comments somewhere in this
driver.

Kevin
 
[1] http://lists.infradead.org/pipermail/linux-mediatek/2015-March/000142.html

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