From: benh@kernel.crashing.org (Benjamin Herrenschmidt)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v7 3/4] drivers: of: add initialization code for dma reserved memory
Date: Mon, 16 Sep 2013 17:25:44 +1000 [thread overview]
Message-ID: <1379316344.3721.6.camel@pasglop> (raw)
In-Reply-To: <5236AF64.80607@samsung.com>
On Mon, 2013-09-16 at 09:12 +0200, Marek Szyprowski wrote:
>
> Fixing those issues requires further discussion. Frankly, right now I
> really have no idea which way should I go. The /reserved-ranges node seems
> to be easy to match particular reserved memory region with a given device.
> I'm also not really convinced if it makes sense to add a code for finding
> and matching a reserved memory region to every device driver, which might
> need it. I would really like to get some more feedback on the Ben's
> comment.
>
> In any case, the code will also change significantly, so I assume that the
> best, what can be done now is to revert the current version and start from
> the scratch with a new, complete proposal.
Yes, let's do that. I will try to help. It shouldn't be that a big deal.
Worst case, how many of us will meet physically next month in Edinburgh ?
Cheers,
Ben.
WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
linaro-mm-sig@lists.linaro.org,
Laura Abbott <lauraa@codeaurora.org>,
Pawel Moll <pawel.moll@arm.com>, Arnd Bergmann <arnd@arndb.de>,
devicetree@vger.kernel.org, Tomasz Figa <t.figa@samsung.com>,
Stephen Warren <swarren@wwwdotorg.org>,
Tomasz Figa <tomasz.figa@gmail.com>,
Michal Nazarewicz <mina86@mina86.com>,
Grant Likely <grant.likely@secretlab.ca>,
Marc <marc.ceeeee@gmail.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Sylwester Nawrocki <s.nawrocki@samsung.com>,
Kumar Gala <galak@codeaurora.org>,
Olof Johansson <olof@lixom.net>,
Nishanth Peethambaran <nishanth.p@gmail.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
linux-arm-kernel@lists.infradead.org,
Ian Campbell <ian.campbell@citrix.com>
Subject: Re: [PATCH v7 3/4] drivers: of: add initialization code for dma reserved memory
Date: Mon, 16 Sep 2013 17:25:44 +1000 [thread overview]
Message-ID: <1379316344.3721.6.camel@pasglop> (raw)
In-Reply-To: <5236AF64.80607@samsung.com>
On Mon, 2013-09-16 at 09:12 +0200, Marek Szyprowski wrote:
>
> Fixing those issues requires further discussion. Frankly, right now I
> really have no idea which way should I go. The /reserved-ranges node seems
> to be easy to match particular reserved memory region with a given device.
> I'm also not really convinced if it makes sense to add a code for finding
> and matching a reserved memory region to every device driver, which might
> need it. I would really like to get some more feedback on the Ben's
> comment.
>
> In any case, the code will also change significantly, so I assume that the
> best, what can be done now is to revert the current version and start from
> the scratch with a new, complete proposal.
Yes, let's do that. I will try to help. It shouldn't be that a big deal.
Worst case, how many of us will meet physically next month in Edinburgh ?
Cheers,
Ben.
next prev parent reply other threads:[~2013-09-16 7:25 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-26 14:39 [PATCH v7 0/4] Device Tree support for CMA (Contiguous Memory Allocator) Marek Szyprowski
2013-08-26 14:39 ` Marek Szyprowski
2013-08-26 14:39 ` [PATCH v7 1/4] drivers: dma-contiguous: clean source code and prepare for device tree Marek Szyprowski
2013-08-26 14:39 ` Marek Szyprowski
2013-08-26 14:39 ` [PATCH v7 2/4] drivers: of: add function to scan fdt nodes given by path Marek Szyprowski
2013-08-26 14:39 ` Marek Szyprowski
2013-08-29 21:40 ` Grant Likely
2013-08-29 21:40 ` Grant Likely
2013-08-30 10:42 ` Marek Szyprowski
2013-08-30 10:42 ` Marek Szyprowski
2013-08-30 10:46 ` Grant Likely
2013-08-30 10:46 ` Grant Likely
2013-08-26 14:39 ` [PATCH v7 3/4] drivers: of: add initialization code for dma reserved memory Marek Szyprowski
2013-08-26 14:39 ` Marek Szyprowski
2013-08-29 22:46 ` Grant Likely
2013-08-29 22:46 ` Grant Likely
2013-08-30 12:39 ` Marek Szyprowski
2013-08-30 12:39 ` Marek Szyprowski
2013-08-30 20:26 ` Kumar Gala
2013-08-30 20:26 ` Kumar Gala
2013-09-09 16:01 ` Grant Likely
2013-09-09 16:01 ` Grant Likely
2013-09-10 19:53 ` Kumar Gala
2013-09-10 19:53 ` Kumar Gala
2013-09-15 12:48 ` Grant Likely
2013-09-15 12:48 ` Grant Likely
2013-09-12 18:22 ` Kumar Gala
2013-09-12 18:22 ` Kumar Gala
2013-09-15 12:50 ` Grant Likely
2013-09-15 12:50 ` Grant Likely
2013-09-16 7:12 ` Marek Szyprowski
2013-09-16 7:12 ` Marek Szyprowski
2013-09-16 7:25 ` Benjamin Herrenschmidt [this message]
2013-09-16 7:25 ` Benjamin Herrenschmidt
2013-09-16 13:43 ` Grant Likely
2013-09-16 13:43 ` Grant Likely
2013-09-18 3:48 ` Grant Likely
2013-09-18 3:48 ` Grant Likely
2013-09-18 11:07 ` Marek Szyprowski
2013-09-18 11:07 ` Marek Szyprowski
2013-09-16 8:17 ` Marek Szyprowski
2013-09-16 8:17 ` Marek Szyprowski
2013-09-09 13:05 ` Grant Likely
2013-09-09 13:05 ` Grant Likely
2013-08-29 22:48 ` Grant Likely
2013-08-29 22:48 ` Grant Likely
2013-09-27 15:47 ` Kumar Gala
2013-09-27 15:47 ` Kumar Gala
2013-09-27 17:06 ` Matt Sealey
2013-09-27 17:06 ` Matt Sealey
2013-08-26 14:39 ` [PATCH v7 4/4] ARM: init: add support for reserved memory defined by device tree Marek Szyprowski
2013-08-26 14:39 ` Marek Szyprowski
2013-08-29 22:49 ` Grant Likely
2013-08-29 22:49 ` Grant Likely
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