linux-kernel - Re: [PATCH v4 3/17] video: fbdev: gbefb: use arch_phys_wc_add() and devm_ioremap

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Message-ID: <CAB=NE6VsYf8iZ7o=jFnbrQOL01irVREa_NiEs8meVFSsuiXPFw@mail.gmail.com>
Date:	Mon, 1 Jun 2015 08:57:11 -0700
From:	"Luis R. Rodriguez" <mcgrof@...e.com>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Tomi Valkeinen <tomi.valkeinen@...com>,
	Dave Airlie <airlied@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-fbdev <linux-fbdev@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Juergen Gross <jgross@...e.com>,
	Jingoo Han <jg1.han@...sung.com>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Masanari Iida <standby24x7@...il.com>,
	Suresh Siddha <sbsiddha@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Andy Lutomirski <luto@...capital.net>,
	Antonino Daplas <adaplas@...il.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>
Subject: Re: [PATCH v4 3/17] video: fbdev: gbefb: use arch_phys_wc_add() and devm_ioremap_wc()

On Mon, Jun 1, 2015 at 1:53 AM, Ingo Molnar <mingo@...nel.org> wrote:
>
> * Luis R. Rodriguez <mcgrof@...e.com> wrote:
>
>> On Fri, May 29, 2015 at 08:41:44AM +0200, Ingo Molnar wrote:
>> >
>> > * Luis R. Rodriguez <mcgrof@...not-panic.com> wrote:
>> >
>> > > +         gbe_mem = devm_ioremap_wc(&p_dev->dev, gbe_mem_phys,
>> > > +                                   gbe_mem_size);
>> >
>> > > +         gbe_mem = dma_alloc_writecombine(NULL, gbe_mem_size,
>> > > +                                          &gbe_dma_addr, GFP_KERNEL);
>> >
>> > > + par->wc_cookie = arch_phys_wc_add(gbe_mem_phys, gbe_mem_size);
>> >
>> > > + arch_phys_wc_del(par->wc_cookie);
>> >
>> > > + arch_phys_wc_del(par->wc_cookie);
>> >
>> > Could we _please_ rename dma_*_writecombine() to dma_*_wc(), so that the naming is
>> > coherent across the various APIs?
>>
>> Sure, OK done. Will send once this series is merged and visible on linux-next.
>> But who's tree should this go through? Since it depends on this series which
>> goes through Tomi's tree should it go through there?
>
> So we could do the rename near the end of the merge window, when all the patches
> have drained from maintainer trees into Linus's tree.

OK.

> Mind keeping it in your tree until then?

You got it.

 Luis
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