linux-kernel - Re: [PATCH 11/20] sound, skylake: switch from ioremap

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <s5hk2qi3m93.wl-tiwai@suse.de>
Date:	Mon, 19 Oct 2015 17:34:48 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	"Mark Brown" <broonie@...nel.org>
Cc:	"Dan Williams" <dan.j.williams@...el.com>,
	"Liam Girdwood" <lgirdwood@...il.com>,
	"Jeeja KP" <jeeja.kp@...el.com>,
	<linux-arm-kernel@...ts.infradead.org>,
	"Jaroslav Kysela" <perex@...ex.cz>, <linux-arch@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 11/20] sound, skylake: switch from ioremap_cache to memremap

On Mon, 19 Oct 2015 17:26:41 +0200,
Mark Brown wrote:
> 
> On Fri, Oct 09, 2015 at 06:16:36PM -0400, Dan Williams wrote:
> > In preparation for deprecating ioremap_cache() convert its usage in
> > skl-nhlt to memremap.
> 
> > -void __iomem *skl_nhlt_init(struct device *dev)
> > +void *skl_nhlt_init(struct device *dev)
> 
> Why are we loosing the annotation here?

It's the exact purpose of this patchset, as far as I understand.
memremap() allows the driver accessing the mapped memory just like a
normal memory unlike ioremap().


Takashi
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/