From Jason Cooper:

mvebu register map changes for v3.11 (round 2)

This series removes the hardcoded register base address for mvebu.

For round 2:
 - multiplatform
    - fix booting on anything other than mvebu

Depends (none new for round 2):
 - mvebu/fixes-non-critical (up to tags/fixes-non-3.11-1)
 - mvebu/cleanup (up to tags/cleanup-3.11-3)

* tag 'regmap-3.11-2' of git://git.infradead.org/users/jcooper/linux:
  arm: mvebu: fix coherency_late_init() for multiplatform
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

Merge tag 'renesas-cleanup-boot-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc

From Simon Horman:

Renesas ARM based SoC boot cleanup for v3.11

Work by Magnus Damm and others to clean up the boot of and move
things closer to supporting multi-arch.

As a side effect of this work it was decided to remove support for
two boards, Bonito and AP4EVB. Those patches are included in this
series as they depend on earlier patches in the series.

* tag 'renesas-cleanup-boot-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: Remove Bonito board support
  ARM: shmobile: Remove AP4EVB board support
  ARM: shmobile: Remove mach/memory.h
  ARM: shmobile: Remove MEMORY_START/SIZE
  ARM: shmobile: Enable ARM_PATCH_PHYS_VIRT
  ARM: shmobile: Remove old SCU boot code
  ARM: shmobile: EMEV2 SMP with SCU boot fn and args
  ARM: shmobile: sh73a0 SMP with SCU boot fn and args
  ARM: shmobile: r8a7779 SMP with SCU boot fn and args
  ARM: shmobile: Add SCU boot function using argument
  ARM: shmobile: Add SMP boot function and argument
  ARM: shmobile: Rework sh7372 sleep code to use virt_to_phys()
  ARM: shmobile: Remove romImage CONFIG_MEMORY_START
  ARM: shmobile: Let romImage rely on default ATAGS
  ARM: shmobile: uImage load address rework
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

Merge tag 'v3.11-rockchip-basics' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/soc

From Heiko Stuebner:

Adds basic support for Rockchip Cortex-A9 SoCs.

* tag 'v3.11-rockchip-basics' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  arm: add basic support for Rockchip RK3066a boards
  arm: add debug uarts for rockchip rk29xx and rk3xxx series
  arm: Add basic clocks for Rockchip rk3066a SoCs
  clocksource: dw_apb_timer_of: use clocksource_of_init
  clocksource: dw_apb_timer_of: select DW_APB_TIMER
  clocksource: dw_apb_timer_of: add clock-handling
  clocksource: dw_apb_timer_of: enable the use the clocksource as sched clock
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

This adds a generic devicetree board file and a dtsi for boards
based on the RK3066a SoCs from Rockchip.

Apart from the generic parts (gic, clocks, pinctrl) the only components
currently supported are the timers, uarts and mmc ports (all DesignWare-
based).
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>
Acked-by: NOlof Johansson <olof@lixom.net>

Uarts on all recent Rockchip SoCs are Synopsis DesignWare 8250 types.
Only their addresses vary very much.

This patch adds the necessary definitions to use any of the uart ports
for early debug purposes.
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>

This adds a basic clock setup for rk3066a SoCs. Only the gates are
set up currently, as the mux and dividers should use the upcoming
generic devicetree bindings.

Clocks whose rates need to be known are supplied by fixed-rate
"dummy"-clocks that provide the correct rate. This is uncritical insofar
that the only bootloader currently in existence for Rockchip devices
is the propietary Rockchip one that always setups the clocks in the
necessary way.
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>
Reviewed-by: NMike Turquette <mturquette@linaro.org>

Merge tag 'samsung-defconfig-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc

From Kukjin Kim:

update exynos_defconfig
- enable GPIO buttons and RTC drivers

* tag 'samsung-defconfig-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: exynos_defconfig: Enable GPIO buttons and RTC drivers
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

Merge tag 'remove-nondt-exynos-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc

From Kukjin Kim:

cleanup and removing dead code for only support DT for exynos
- remove board file for exynos
- remove legacy files which are not used anymore
- decouple ARCH_EXYNOS from PLAT_S5P

* tag 'remove-nondt-exynos-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (35 commits)
  ARM: EXYNOS: Remove remaining dead code after non-DT support removal
  ARM: EXYNOS: Remove legacy L2X0 initialization
  ARM: EXYNOS: Use exynos_init_io() as map_io callback
  ARM: EXYNOS: Remove custom init_irq callbacks
  ARM: EXYNOS: Remove mach/regs-usb-phy.h header
  thermal: exynos: Support both EXYNOS4X12 SoCs
  ARM: EXYNOS: Remove unused base addresses from mach/map.h header
  ARM: EXYNOS: Remove mach/irqs.h header
  ARM: EXYNOS: Select SPARSE_IRQ for Exynos
  ARM: SAMSUNG: Make legacy MFC support code depend on SAMSUNG_ATAGS
  ARM: EXYNOS: Remove mach/regs-gpio.h header
  ARM: EXYNOS: Remove mach/gpio.h
  ARM: EXYNOS: Remove setup-i2c0.c
  ARM: EXYNOS: Do not select legacy Kconfig symbols any more
  ARM: SAMSUNG: Include most of mach/ headers conditionally
  ARM: EXYNOS: Decouple ARCH_EXYNOS from PLAT_S5P
  USB: Check for ARCH_EXYNOS separately
  platform: Check for ARCH_EXYNOS separately
  ARM: SAMSUNG: Compile legacy IRQ and GPIO PM code only with ATAGS support
  ARM: EXYNOS: Provide compatibility stubs for PM code in pm-core.h header
  ...

Conflicts:
	arch/arm/mach-exynos/Kconfig
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

Merge tag 'exynos-arch-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc

From Kukjin Kim:

arch/arm/mach-exynos update
- enable XHCI on exynos5
- enable Pinctrl on exynos4 and exynos5
- calling scu_enable() is only available on Cortex-A9

* tag 'exynos-arch-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: call scu_enable() only in case of cortex-A9 processor
  ARM: EXYNOS: Select PINCTRL_EXYNOS for exynos4/5 at chip level
  ARM: EXYNOS: Enable XHCI support on exynos5
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

Conflicts:
	arch/arm/mach-omap2/Makefile
	arch/arm/mach-omap2/io.c
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

Merge tag 'omap-for-v3.11/soc-part2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

From Tony Lindgren:

Fix am43x minimal booting as I accidentally left out one
patch from the already merged omap-for-v3.11/soc-signed branch.
Also fixes for ti81x booting and  revision check updates.

These are based on omap-for-v3.11/soc-signed because of the
am43x dependency to earlier patches.

* tag 'omap-for-v3.11/soc-part2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP3+: am33xx id: Add new am33xx specific function to check dev_feature
  ARM: OMAP: TI816X: add powerdomains for TI816x
  ARM: OMAP2: TI81XX: id: Add cpu id for TI816x ES2.0 and ES2.1
  ARM: OMAP2+: AM43x: basic dt support
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

From Maxime Ripard:

Allwinner platform additions, take 2

Adds machine support for the Allwinner A10s SoC

* tag 'sunxi-core-for-3.11-2' of git://github.com/mripard/linux:
  ARM: sunxi: Add Allwinner A10s machine compatible

Depends on the sunxi/cleanup branch
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

From Maxime Ripard:

Allwinner defconfig changes for 3.11

* tag 'sunxi-defconfig-for-3.11' of git://github.com/mripard/linux:
  ARM: multi_v7: Enable Allwinner EMAC in multi_v7_defconfig
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

Merge tag 'davinci-for-v3.11/soc-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/soc

From Sekhar Nori:

DaVinci SoC changes for v3.11

This pull request moves DaVinci EDMA library to
arch/arm/common so it can be used by OMAP based AM335x.
This is a temporary step until all drivers are converted
to use the dmaengine driver in drivers/dma/edma.c.

Several drivers like SPI, MMC/SD have already been converted.
Some like audio are pending.

The other two patches in the pull request are cleanup in nature.

* tag 'davinci-for-v3.11/soc-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
  ARM: edma: remove unused transfer controller handlers
  ARM: davinci: move private EDMA API to arm/common
  ARM: davinci: remove __init atrribute from function declaration
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

As noticed by Arnaud Patard (Rtp) <arnaud.patard@rtp-net.org>, commit
865e0527 ('arm: mvebu: avoid hardcoded virtual address in
coherency code') added a postcore_initcall() to register the bus
notifier that the mvebu code needs to apply correct DMA operations on
its platform devices breaks the multiplatform boot on other platforms,
because the bus notifier registration is unconditional.

This commit fixes that by registering the bus notifier only if we have
the mvebu coherency unit described in the Device Tree. The conditional
used is exactly the same in which the bus_register_notifier() call was
originally enclosed before 865e0527 ('arm: mvebu: avoid hardcoded
virtual address in coherency code').
Signed-off-by: NThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reported-by: NArnaud Patard (Rtp) <arnaud.patard@rtp-net.org>
Acked-by: NAndrew Lunn <andrew@lunn.ch>
Signed-off-by: NJason Cooper <jason@lakedaemon.net>

This avoids impossible platform combinations, as we cannot
build a combined V5 + V6/V7 kernel.
Signed-off-by: NArnd Bergmann <arnd@arndb.de>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>

From Shawn Guo:

imx soc changes for 3.11:

* New SoCs i.MX6 Sololite and Vybrid VF610 support
* imx5 and imx6 clock fixes and additions
* Update clock driver to use of_clk_init() function
* Refactor restart routine mxc_restart() to get it work for DT boot
  as well
* Clean up mxc specific ulpi access ops
* imx defconfig updates

* tag 'imx-soc-3.11' of git://git.linaro.org/people/shawnguo/linux-2.6: (29 commits)
  ARM: imx_v6_v7_defconfig: Enable Vybrid VF610
  ARM: imx_v6_v7_defconfig: Enable imx-wm8962 by default
  ARM: clk-imx6qdl: Add clko1 configuration for imx6qdl-sabresd
  ARM: imx_v6_v7_defconfig: Enable PWM and backlight options
  ARM: imx: Remove mxc specific ulpi access ops
  ARM: imx: add initial support for VF610
  ARM: imx: add VF610 clock support
  ARM: imx_v6_v7_defconfig: enable parallel display
  ARM: imx: clk: No need to initialize phandle struct
  ARM: imx: irq-common: Include header to avoid sparse warning
  ARM: imx: Enable mx6 solo-lite support
  ARM: imx6: use common of_clk_init() call to initialize clocks
  ARM: imx6q: call of_clk_init() to register fixed rate clocks
  ARM: imx: imx_v6_v7_defconfig: Select CONFIG_DRM_IMX_TVE
  ARM: i.MX6: clk: add different DualLite MLB clock config
  ARM i.MX5: Add S/PDIF clocks
  ARM i.MX53: Add SATA clock
  ARM: imx6q: clk: add the eim_slow clock
  ARM: imx: remove MLB PLL from pllv3
  ARM: imx: disable pll8_mlb in mx6q_clks
  ...

Conflicts:
	arch/arm/Kconfig.debug (simple add/add conflict)

Includes an update to 3.10-rc6
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

Merge tag 'u300-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/soc

From Linus Walleij:

Device Tree and Multiplatform support for U300:
- Add devicetree support to timer, pinctrl (probe), I2C block,
  watchdog, DMA controller and clocks.
- Piecewise add a device tree containing all peripherals.
- Delete the ATAG boot path.
- Delete redundant platform data and board files.
- Convert to multiplatform.

* tag 'u300-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson: (40 commits)
  ARM: u300: switch to using syscon regmap for board
  ARM: u300: Update MMC configs for u300 defconfig
  spi: pl022: use DMA by default when probing from DT
  pinctrl: get rid of all platform data for coh901
  ARM: u300: convert MMC/SD clock to device tree
  ARM: u300: move the gated system controller clocks to DT
  i2c: stu300: do not request a specific clock name
  clk: move the U300 fixed and fixed-factor to DT
  ARM: u300: remove register definition file
  ARM: u300: add syscon node
  ARM: u300 use module_spi_driver to register driver
  ARM: u300: delete remnant machine headers
  ARM: u300: convert to multiplatform
  ARM: u300: localize <mach/u300-regs.h>
  ARM: u300: delete <mach/irqs.h>
  ARM: u300: delete <mach/hardware.h>
  ARM: u300: push down syscon registers
  ARM: u300: remove deps from debug macro
  ARM: u300: move debugmacro to debug includes
  ARM: u300: delete all static board data
  ...
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

Merge tag 'integrator-pci-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into next/soc

From Linus Walleij:

This is a patch series that:
- Pulls the Integrator/AP PCI bridge driver into one file
- Adds full device tree support for it
- Keeps ATAG support around for the time being

* tag 'integrator-pci-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator:
  ARM: integrator: basic PCIv3 device tree support
  ARM: integrator: move static ioremapping into PCIv3 driver
  ARM: integrator: move VGA base assignment
  ARM: integrator: remap PCIv3 base dynamically
  ARM: integrator: move V3 register definitions into driver
  ARM: integrator: move PCI base address grab to probe
  ARM: integrator: grab PCI error IRQ in probe()
  ARM: integrator: convert PCIv3 bridge to platform device
  ARM: integrator: merge PCIv3 driver into one file
  ARM: pci: create pci_common_init_dev()
  Documentation/devicetree: add a small note on PCI
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

This patch reads the cpuid part number and if it matches with
cortex-A9, calls scu_enable()
Signed-off-by: NLeela Krishna Amudala <l.krishna@samsung.com>
Reviewed-by: NDoug Anderson <dianders@chromium.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Previously if you had MACH_EXYNOS5_DT but not MACH_EXYNOS4_DT you'd be
missing the pincontrol definitions.  Move PINCTRL selects to the arch
level since we should be enabling the code for all exynos variants.

Update the PINCTRL descriptions to indicate that PINCTRL_EXYNOS is not
for exynos5440.  Also add basic dependencies for the PINCTRL_EXYNOS
kernel config.
Signed-off-by: NDoug Anderson <dianders@chromium.org>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

This patch enables support for XHCI on exynos5 series of SOCs,
to support host side USB 3.0 support.
Signed-off-by: NVivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

This patch removes remaining small bits of unused code that was left
after removing non-DT support.
Signed-off-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Since Exynos is now supporting only DT-based boot, the old L2X0
initialization code is not needed anymore, so exynos4_l2x0_cache_init()
can be greatly simplified.
Signed-off-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Since there is no board specific mapping needed on Exynos,
exynos_init_io() can be simplified and used as map_io callback for both
Exynos4 and Exynos5.
Signed-off-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Since both exynos4_init_irq() and exynos5_init_irq() are just calling
irqchip_init(), there is no need for them to exist any more, since this
is the default that is called when init_irq callback is not specified.
Signed-off-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

This patch removes mach/regs-usb-phy.h header, which is not used
anywhere in the kernel.
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Acked-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

EXYNOS4212 and EXYNOS4412 have the same thermal block, so there is no
reason to include support only for EXYNOS4412 in this driver.

Cc: linux-pm@vger.kernel.org
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

This patch removes all the unused base addresses from mach/map.h header,
leaving only addresses of IPs that currently use static IO mapping or
need the address hardcoded, like low level debug UART.
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Acked-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Since Exynos now uses CONFIG_SPARSE_IRQ and all remaining users of this
header has been fixed, we can safely remove it.
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Acked-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

This patch adds selection of CONFIG_SPARSE_IRQ for ARCH_EXYNOS, since it
is required by multiplatform and allows to remove the legacy mach/irqs.h
header.

To make this possible, a dummy IRQ_EINT_BIT macro is added to pm-core.h
header to allow plat-samsung/pm.c compile. This macro is irrelevant for
Exynos and will be removed after reworking Samsung pm code for
multiplatform compatibility.
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Acked-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

This allows to bypass compilation of static platform device and resource
definitions that require interrupts and base addresses to be defined
statically.

Cc: Jeongtae Park <jtp.park@samsung.com>
Cc: Kamil Debski <k.debski@samsung.com>
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Contents of this header are not used any more and can be safely removed.
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Acked-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

This patch removes mach/gpio.h header that is not required any more on
Exynos.
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Acked-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Now since SAMSUNG_ATAGS is no longer selected for ARCH_EXYNOS, we can
safely remove the remaining setup code.
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Acked-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

This patch removes selection of several legacy Kconfig symbols from
ARCH_EXYNOS to bypass compilation of code used only for ATAGS based
boot.
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Since it is illegal to include mach/ headers from source files outside
of respective mach-* directory and DT-only Samsung platforms might not
have all of them anyway, this patches makes inclusion of them
conditional, based on CONFIG_SAMSUNG_ATAGS.
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Acked-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

After removing support for ATAGS based boot on Exynos, there is not much
that can be shared between Exynos and other S5P platforms. This patch
makes Exynos a standalone Samsung platform, not using PLAT_S5P.
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

ARCH_EXYNOS is going to be excluded from PLAT_S5P, so it must be checked
separately in Exynos-related Kconfig entries.
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>