From: Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>
To: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
Cc: linuxppc-dev-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
linux-ia64-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [RFC PATCH 2/2] dma-mapping: Clean up dma_get_required_mask() hooks
Date: Fri, 6 Jul 2018 15:22:16 +0100 [thread overview]
Message-ID: <531f0a51-a58c-ab56-d05d-843f25f6dfdc@arm.com> (raw)
In-Reply-To: <20180705193846.GC28905-jcswGhMUV9g@public.gmane.org>
On 05/07/18 20:38, Christoph Hellwig wrote:
> On Wed, Jul 04, 2018 at 06:50:12PM +0100, Robin Murphy wrote:
>> As for the other mask-related hooks, standardise the arch override into
>> a Kconfig option, and also pull the generic implementation into the DMA
>> mapping code rather than having it hide away in the platform bus code.
>
> Heh, I have a somewhat similar patch in my queue. I didn't want it out
> because dma_get_required_mask is rather ill defined at the moment and
> I wanted to clean that up first. But I guess I could apply this first
> and clean up later.
>
> I just fear you might be wanting to add an arm64 user, so I'd really like
> to understand why and how.
Nah, this guy is just pure cleanup since it also fell out of my 'git
grep ARCH_HAS_DMA'
Robin.
next prev parent reply other threads:[~2018-07-06 14:22 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-04 17:50 [RFC PATCH 1/2] dma-mapping: Clean up dma_set_*mask() hooks Robin Murphy
[not found] ` <55ac9550c311f056dcfeed9b2c8265375f17b155.1530726467.git.robin.murphy-5wv7dgnIgG8@public.gmane.org>
2018-07-04 17:50 ` [RFC PATCH 2/2] dma-mapping: Clean up dma_get_required_mask() hooks Robin Murphy
[not found] ` <08256121f325ceed7f6b88c1a5d3cf949698787d.1530726467.git.robin.murphy-5wv7dgnIgG8@public.gmane.org>
2018-07-05 19:38 ` Christoph Hellwig
[not found] ` <20180705193846.GC28905-jcswGhMUV9g@public.gmane.org>
2018-07-06 14:22 ` Robin Murphy [this message]
2018-07-10 11:39 ` Christoph Hellwig
[not found] ` <20180710113908.GB32688-jcswGhMUV9g@public.gmane.org>
2018-07-10 12:29 ` Robin Murphy
[not found] ` <3b8a23b6-6015-3e8e-07f0-b75920a1e264-5wv7dgnIgG8@public.gmane.org>
2018-07-10 15:08 ` Christoph Hellwig
2018-07-05 19:37 ` [RFC PATCH 1/2] dma-mapping: Clean up dma_set_*mask() hooks Christoph Hellwig
[not found] ` <20180705193738.GB28905-jcswGhMUV9g@public.gmane.org>
2018-07-06 14:20 ` Robin Murphy
[not found] ` <33175bb1-d198-a9fd-ff37-e8c4132f47f8-5wv7dgnIgG8@public.gmane.org>
2018-07-08 15:07 ` Christoph Hellwig
[not found] ` <20180708150708.GA14418-jcswGhMUV9g@public.gmane.org>
2018-07-09 14:53 ` Robin Murphy
[not found] ` <3ce04634-a467-ec6b-7b90-6cd916d9b532-5wv7dgnIgG8@public.gmane.org>
2018-07-10 11:44 ` Christoph Hellwig
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