lkml.org 
[lkml]   [2012]   [Mar]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH v12 2/3] ARM: EXYNOS: Change System MMU platform device definitions
    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



    \
     
     \ /
      Last update: 2012-03-15 12:15    [W:0.046 / U:30.768 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site