linux-kernel - Re: [PATCH RFC] arm64: mm: convert __dma

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Message-ID: <20160725092801.GR1041@n2100.armlinux.org.uk>
Date:	Mon, 25 Jul 2016 10:28:01 +0100
From:	Russell King - ARM Linux <linux@...linux.org.uk>
To:	Kwangwoo Lee <kwangwoo.lee@...com>
Cc:	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Mark Rutland <mark.rutland@....com>,
	linux-arm-kernel@...ts.infradead.org,
	Hyunchul Kim <hyunchul3.kim@...com>,
	linux-kernel@...r.kernel.org, Woosuk Chung <woosuk.chung@...com>
Subject: Re: [PATCH RFC] arm64: mm: convert __dma_* routines to use start,
 size

On Mon, Jul 25, 2016 at 04:40:06PM +0900, Kwangwoo Lee wrote:
> __dma_* routines have been converted to use start and size instread of
> start and end addresses. The patch was origianlly for adding
> __clean_dcache_area_poc() which will be used in pmem driver to clean
> dcache to the PoC(Point of Coherency) in arch_wb_cache_pmem().

I'd suggest keeping to this terminology:

area: takes a start and size
range: takes a start and end

So, if you want to change the parameters to take a start and size,
the function should not contain "range" but should contain "area"
in its name.

-- 
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