From: joerg.roedel@amd.com (Joerg Roedel)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v12 2/3] ARM: EXYNOS: Change System MMU platform device definitions
Date: Thu, 15 Mar 2012 12:12:27 +0100 [thread overview]
Message-ID: <20120315111227.GA2384@amd.com> (raw)
In-Reply-To: <000201cd0286$2e6fbb40$8b4f31c0$%cho@samsung.com>
On Thu, Mar 15, 2012 at 05:32:39PM +0900, Cho KyongHo wrote:
> Handling System MMUs with an identifier is not flexible to manage
> System MMU platform devices because of the following reasons:
> 1. A device driver which needs to handle System MMU must know the ID.
> 2. A System MMU may not present in some implementations of Exynos family.
> 3. Handling System MMU with IOMMU API does not require an ID.
>
> This patch is the result of removing ID of System MMUs.
> Instead, a device driver that needs to handle its System MMU must
> use IOMMU API while its descriptor of platform device is given.
>
> This patch also includes the following enhancements:
> - A System MMU device becomes a child if its power domain device.
> - clkdev
>
> Cc: Kukjin Kim <kgene.kim@samsung.com>
> Signed-off-by: KyongHo Cho <pullip.cho@samsung.com>
> ---
> arch/arm/mach-exynos/Kconfig | 10 +-
> arch/arm/mach-exynos/Makefile | 2 +-
> arch/arm/mach-exynos/clock-exynos4.c | 79 ++--
> arch/arm/mach-exynos/clock-exynos4.h | 2 +
> arch/arm/mach-exynos/clock-exynos4210.c | 11 +
> arch/arm/mach-exynos/clock-exynos4212.c | 28 ++-
> arch/arm/mach-exynos/clock-exynos5.c | 90 +++++
> arch/arm/mach-exynos/dev-sysmmu.c | 457 ++++++++++++----------
> arch/arm/mach-exynos/include/mach/irqs.h | 25 +-
> arch/arm/mach-exynos/include/mach/map.h | 38 ++
> arch/arm/mach-exynos/include/mach/regs-clock.h | 5 +
> arch/arm/mach-exynos/include/mach/regs-sysmmu.h | 28 --
> arch/arm/mach-exynos/include/mach/sysmmu.h | 88 +++--
> arch/arm/mach-exynos/mach-armlex4210.c | 1 -
> arch/arm/mach-exynos/mach-smdkv310.c | 1 -
> 15 files changed, 529 insertions(+), 336 deletions(-)
> delete mode 100644 arch/arm/mach-exynos/include/mach/regs-sysmmu.h
This patch doesn't apply cleanly against upstream Linux (v3.3-rcX).
Please rebase to upstream and resend. The other 2 patches apply fine.
Joerg
--
AMD Operating System Research Center
Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach
General Managers: Alberto Bozzo
Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632
next prev parent reply other threads:[~2012-03-15 11:12 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-15 8:32 [PATCH v12 2/3] ARM: EXYNOS: Change System MMU platform device definitions Cho KyongHo
2012-03-15 11:12 ` Joerg Roedel [this message]
2012-03-15 14:39 ` Kukjin Kim
2012-03-16 9:30 ` Subash Patel
2012-03-16 20:47 ` Kukjin Kim
2012-03-18 13:27 ` Joerg Roedel
2012-03-29 1:23 ` Kukjin Kim
2012-03-29 1:43 ` KyongHo Cho
2012-04-10 19:34 ` Kukjin Kim
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20120315111227.GA2384@amd.com \
--to=joerg.roedel@amd.com \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).