linux-kernel - Re: [PATCH v4 2/4] mailbox: Hi6220: add mailbox driver

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: <20151016052910.GB3226@leoy-linaro>
Date:	Fri, 16 Oct 2015 13:29:10 +0800
From:	Leo Yan <leo.yan@...aro.org>
To:	Jassi Brar <jassisinghbrar@...il.com>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Bintian Wang <bintian.wang@...wei.com>,
	Yiping Xu <xuyiping@...ilicon.com>,
	Haojian Zhuang <haojian.zhuang@...aro.org>,
	Wei Xu <xuwei5@...ilicon.com>,
	Devicetree List <devicetree@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v4 2/4] mailbox: Hi6220: add mailbox driver

On Fri, Oct 16, 2015 at 10:43:00AM +0530, Jassi Brar wrote:
> On Mon, Oct 12, 2015 at 10:02 PM, Leo Yan <leo.yan@...aro.org> wrote:
> 
> > +
> > +#define MBOX_CHAN_MAX                  32
> > +#define MBOX_CHAN_NUM                  2
> > +
> You mean the hardware has 32 channels but this driver can not manage
> more than 2 ?
> 
> OR, there are 32 interfaces but only 2 physical 'floating' links, so
> no more than 2 interfaces can be active at any time?

For the later case. Mailbox also can be used by other modules, such
like audio hifi; later need add links for them if want to enable
audio. But so far only uses first 2 channels.

Thanks,
Leo Yan
--
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/