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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Grant Likely <grant.likely@linaro.org>
Cc: Tomasz Figa <t.figa@samsung.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linaro-mm-sig@lists.linaro.org, devicetree@vger.kernel.org,
	linux-doc@vger.kernel.org,
	Kyungmin Park <kyungmin.park@samsung.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Michal Nazarewicz <mina86@mina86.com>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Laura Abbott <lauraa@codeaurora.org>,
	Rob Herring <robh+dt@gmail.com>, Olof Johansson <olof@lixom.net>,
	Pawel Moll <pawel.moll@arm.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Stephen Warren <swarren@wwwdotorg.org>,
	Ian Campbell <ian.campbell@citrix.com>,
	Tomasz Figa <tomasz.figa@gmail.com>,
	Kumar Gala <galak@codeaurora.org>,
	Nishanth Peethambaran <nishanth.p@gmail.com>,
	Marc <marc.ceeeee@gmail.com>,
	Josh Cartwright <joshc@codeaurora.org>
Subject: Re: [PATCH v2 1/5] drivers: of: add initialization code for reserved memory
Date: Wed, 12 Feb 2014 07:02:51 +1100	[thread overview]
Message-ID: <1392148971.3835.15.camel@pasglop> (raw)
In-Reply-To: <20140211190104.7E6C5C4140E@trevor.secretlab.ca>

On Tue, 2014-02-11 at 19:01 +0000, Grant Likely wrote:

> > except that the former IMHO better suits the definition of memory 
> > region, which I see as a single contiguous range of memory and can be 
> > simplified to have a single reg entry per region.
> 
> My point is rather if multiple reg tuples are found in a reserved memory
> node, the kernel must respect them and reserve the memory. I'm not
> arguing about whether or not that makes for a good binding.

agreed.

Cheers,
Ben.



WARNING: multiple messages have this Message-ID (diff)
From: benh@kernel.crashing.org (Benjamin Herrenschmidt)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 1/5] drivers: of: add initialization code for reserved memory
Date: Wed, 12 Feb 2014 07:02:51 +1100	[thread overview]
Message-ID: <1392148971.3835.15.camel@pasglop> (raw)
In-Reply-To: <20140211190104.7E6C5C4140E@trevor.secretlab.ca>

On Tue, 2014-02-11 at 19:01 +0000, Grant Likely wrote:

> > except that the former IMHO better suits the definition of memory 
> > region, which I see as a single contiguous range of memory and can be 
> > simplified to have a single reg entry per region.
> 
> My point is rather if multiple reg tuples are found in a reserved memory
> node, the kernel must respect them and reserve the memory. I'm not
> arguing about whether or not that makes for a good binding.

agreed.

Cheers,
Ben.

  reply	other threads:[~2014-02-11 20:05 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-04 12:09 [PATCH v2 0/5] reserved-memory regions/CMA in devicetree, again Marek Szyprowski
2014-02-04 12:09 ` Marek Szyprowski
     [not found] ` < 1391515773-6112-5-git-send-email-m.szyprowski@samsung.com>
     [not found] ` < 1391515773-6112-2-git-send-email-m.szyprowski@samsung.com>
2014-02-04 12:09 ` [PATCH v2 1/5] drivers: of: add initialization code for reserved memory Marek Szyprowski
2014-02-04 12:09   ` Marek Szyprowski
     [not found]   ` < 20140205110538.99E47C40A89@trevor.secretlab.ca>
2014-02-05 11:05   ` Grant Likely
2014-02-05 11:05     ` Grant Likely
2014-02-05 11:05     ` Grant Likely
2014-02-11 11:45     ` Marek Szyprowski
2014-02-11 11:45       ` Marek Szyprowski
     [not found]       ` < 20140211121316.24032C40C4D@trevor.secretlab.ca>
2014-02-11 12:13       ` Grant Likely
2014-02-11 12:13         ` Grant Likely
2014-02-11 14:29         ` Tomasz Figa
2014-02-11 14:29           ` Tomasz Figa
2014-02-11 19:01           ` Grant Likely
2014-02-11 19:01             ` Grant Likely
2014-02-11 19:01             ` Grant Likely
2014-02-11 20:02             ` Benjamin Herrenschmidt [this message]
2014-02-11 20:02               ` Benjamin Herrenschmidt
2014-02-11 20:04               ` Tomasz Figa
2014-02-11 20:04                 ` Tomasz Figa
2014-02-11 20:19                 ` Josh Cartwright
2014-02-11 20:19                   ` Josh Cartwright
2014-02-11 20:27                   ` Tomasz Figa
2014-02-11 20:27                     ` Tomasz Figa
2014-02-13 19:48                     ` Josh Cartwright
2014-02-13 19:48                       ` Josh Cartwright
2014-02-17 16:53                       ` Grant Likely
2014-02-17 16:53                         ` Grant Likely
2014-02-17 16:47                 ` Grant Likely
2014-02-17 16:47                   ` Grant Likely
2014-02-06 22:08   ` Laura Abbott
2014-02-06 22:08     ` Laura Abbott
2014-02-04 12:09 ` [PATCH v2 2/5] drivers: of: implement reserved-memory handling for dma Marek Szyprowski
2014-02-04 12:09   ` Marek Szyprowski
2014-02-04 12:09   ` Marek Szyprowski
2014-02-04 12:09 ` [PATCH v2 3/5] drivers: of: implement reserved-memory handling for cma Marek Szyprowski
2014-02-04 12:09   ` Marek Szyprowski
2014-02-05 11:09   ` Grant Likely
2014-02-05 11:09     ` Grant Likely
2014-02-05 11:09     ` Grant Likely
2014-02-04 12:09 ` [PATCH v2 4/5] ARM: init: add support for reserved memory defined by device tree Marek Szyprowski
2014-02-04 12:09   ` Marek Szyprowski
2014-02-05 10:15   ` Grant Likely
2014-02-05 10:15     ` Grant Likely
2014-02-05 10:15     ` Grant Likely
2014-02-06 13:26     ` Marek Szyprowski
2014-02-06 13:26       ` Marek Szyprowski
     [not found]       ` < 20140210215929.4473BC408F7@trevor.secretlab.ca>
2014-02-10 21:59       ` Grant Likely
2014-02-10 21:59         ` Grant Likely
2014-02-11 10:52         ` Marek Szyprowski
2014-02-11 10:52           ` Marek Szyprowski
2014-02-11 11:50           ` Grant Likely
2014-02-11 11:50             ` Grant Likely
2014-02-04 12:09 ` [PATCH v2 5/5] of: document bindings for reserved-memory nodes Marek Szyprowski
2014-02-04 12:09   ` Marek Szyprowski
2014-02-05 10:07   ` Grant Likely
2014-02-05 10:07     ` Grant Likely
2014-02-05 10:07     ` Grant Likely
2014-02-05 19:25     ` Josh Cartwright
2014-02-05 19:25       ` Josh Cartwright

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