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Message-ID: <20160526120635.GA28564@infradead.org>
Date: Thu, 26 May 2016 05:06:35 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Russell King - ARM Linux <linux@...linux.org.uk>
Cc: Liviu Dudau <Liviu.Dudau@....com>,
Laura Abbott <labbott@...hat.com>,
Sumit Semwal <sumit.semwal@...aro.org>,
John Stultz <john.stultz@...aro.org>,
Arve Hj?nnev?g <arve@...roid.com>,
Riley Andrews <riandrews@...roid.com>,
Daniel Vetter <daniel.vetter@...ll.ch>,
linaro-mm-sig@...ts.linaro.org, devel@...verdev.osuosl.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will.deacon@....com>,
Eun Taik Lee <eun.taik.lee@...sung.com>,
Rohit kumar <rohit.kr@...sung.com>,
Jon Medhurst <tixy@...aro.org>,
Mitchel Humpherys <mitchelh@...eaurora.org>,
Jeremy Gebben <jgebben@...eaurora.org>,
Bryan Huntsman <bryanh@...eaurora.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Android Kernel Team <kernel-team@...roid.com>
Subject: Re: [RFC][PATCH 1/3] staging: ion: Move away from the DMA APIs for
cache flushing
On Thu, May 26, 2016 at 11:59:22AM +0100, Russell King - ARM Linux wrote:
> I _really_ hate seeing architecture internal functions being abused in
> drivers - architecture internal functions are there to implement the
> official kernel APIs and are not for drivers to poke about with.
Exactly - if drivers like drm and ion want to do something out side the
current DMA API we need to add a proper API, not hack around the lack of
one.
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