From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org,
Grant Likely <grant.likely@secretlab.ca>,
Laura Abbott <lauraa@codeaurora.org>,
Pawel Moll <pawel.moll@arm.com>, Arnd Bergmann <arnd@arndb.de>,
Stephen Warren <swarren@wwwdotorg.org>,
Tomasz Figa <t.figa@samsung.com>,
Tomasz Figa <tomasz.figa@gmail.com>,
Michal Nazarewicz <mina86@mina86.com>,
linaro-mm-sig@lists.linaro.org, 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 0/2] Revert support for reserved memory regions defined in device tree
Date: Fri, 11 Oct 2013 18:48:36 +1100 [thread overview]
Message-ID: <1381477716.5630.74.camel@pasglop> (raw)
In-Reply-To: <1381476448-14548-1-git-send-email-m.szyprowski@samsung.com>
On Fri, 2013-10-11 at 09:27 +0200, Marek Szyprowski wrote:
> Hi all!
>
> Benjamin Herrenschmidt pointed a few issues in the proposed design of
> device tree bindings for contiguous memory allocator and reserved memory
> regions:
> https://lkml.org/lkml/2013/9/15/151
> http://www.spinics.net/lists/arm-kernel/msg273548.html
Are you guys in Edinburgh ?
I'll be there from Tuesday PM (so really Wed) to Friday (fly out on
Sat). We should catch up, brainstorm and come up with something.
Cheers,
Ben.
> Some time has passed, but there is still no consensus on the bindings
> for the reserved memory and various drawback of this solution has been
> shown, so in my opinion the best I can do now is to revert them
> completely and start from scratch again later.
>
> This patch series reverts patches related to device tree bindings
> proposed in the following thread:
> http://thread.gmane.org/gmane.linux.ports.arm.kernel/263216
> and merged by commit 64c353864e3f7ccba0ade1bd6f562f9a3bc7e68d ("Merge
> branch 'for-v3.12' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping").
>
> Best regards
> Marek Szyprowski
> Samsung R&D Institute Poland
>
> Marek Szyprowski (2):
> Revert "ARM: init: add support for reserved memory defined by device tree"
> Revert "drivers: of: add initialization code for dma reserved memory"
>
> Documentation/devicetree/bindings/memory.txt | 168 -------------------------
> arch/arm/mm/init.c | 3 -
> drivers/of/Kconfig | 6 -
> drivers/of/Makefile | 1 -
> drivers/of/of_reserved_mem.c | 173 --------------------------
> drivers/of/platform.c | 4 -
> include/linux/of_reserved_mem.h | 14 ---
> 7 files changed, 369 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/memory.txt
> delete mode 100644 drivers/of/of_reserved_mem.c
> delete mode 100644 include/linux/of_reserved_mem.h
>
next prev parent reply other threads:[~2013-10-11 7:48 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-11 7:27 [PATCH 0/2] Revert support for reserved memory regions defined in device tree Marek Szyprowski
2013-10-11 7:48 ` Benjamin Herrenschmidt [this message]
2013-10-11 18:12 ` Kumar Gala
[not found] ` <83E50073-1BDF-4EB9-87D2-EFA427EFE756-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2013-10-15 11:41 ` Grant Likely
2013-10-17 18:37 ` Matt Sealey
[not found] ` <CAHCPf3s63Jh6YSo2vqJ-4OwfTBGRBcQPAVzw_FK1uU3jpTK+Ow-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-10-17 19:35 ` Benjamin Herrenschmidt
[not found] ` <1381476448-14548-1-git-send-email-m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2013-10-11 7:27 ` [PATCH 1/2] Revert "ARM: init: add support for reserved memory defined by device tree" Marek Szyprowski
2013-10-11 7:27 ` [PATCH 2/2] Revert "drivers: of: add initialization code for dma reserved memory" Marek Szyprowski
2013-10-15 11:40 ` [PATCH 0/2] Revert support for reserved memory regions defined in device tree Grant Likely
[not found] ` <20131015114035.6CA5FC40098-WNowdnHR2B42iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2013-10-15 13:27 ` Marek Szyprowski
2013-10-30 13:47 ` Grant Likely
[not found] ` <20131030134702.19B57C402A0-WNowdnHR2B42iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2013-10-30 17:30 ` Matt Sealey
2013-11-19 12:27 ` Marek Szyprowski
[not found] ` < 20131030134702.19B57C402A0@trevor.secretlab.ca>
[not found] ` <528B5949.20204@samsung.com >
[not found] ` <528B5949.20204-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2013-11-19 15:14 ` Grant Likely
2013-11-19 22:01 ` Benjamin Herrenschmidt
2013-11-20 13:04 ` Grant Likely
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