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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM DT updates from Olof Johansson:
"As usual, this is the massive branch we have for each release. Lots
of various updates and additions of hardware descriptions on existing
hardware, as well as the usual additions of new boards and SoCs.
This is also the first release where we've started mixing 64- and
32-bit DT updates in one branch.
(Specific details on what's actually here and new is pretty easy to
tell from the diffstat, so there's little point in duplicating listing
it here)"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (499 commits)
ARM: dts: uniphier: add system-bus-controller nodes
ARM64: juno: disable NOR flash node by default
ARM: dts: uniphier: add outer cache controller nodes
arm64: defconfig: Enable PCI generic host bridge by default
arm64: Juno: Add support for the PCIe host bridge on Juno R1
Documentation: of: Document the bindings used by Juno R1 PCIe host bridge
ARM: dts: uniphier: add I2C aliases for ProXstream2 boards
dts/Makefile: Add build support for LS2080a QDS & RDB board DTS
dts/ls2080a: Add DTS support for LS2080a QDS & RDB boards
dts/ls2080a: Update Simulator DTS to add support of various peripherals
dts/ls2080a: Remove text about writing to Free Software Foundation
dts/ls2080a: Update DTSI to add support of various peripherals
doc: DTS: Update DWC3 binding to provide reference to generic bindings
doc/bindings: Update GPIO devicetree binding documentation for LS2080A
Documentation/dts: Move FSL board-specific bindings out of /powerpc
Documentation: DT: Add entry for FSL LS2080A QDS and RDB boards
arm64: Rename FSL LS2085A SoC support code to LS2080A
arm64: Use generic Layerscape SoC family naming
ARM: dts: uniphier: add ProXstream2 Vodka board support
ARM: dts: uniphier: add ProXstream2 Gentil board support
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Merging in the few patches I had kept separate from main next/dt, since others
got merged here directly.
* next/arm64:
arm64: defconfig: Enable PCI generic host bridge by default
arm64: Juno: Add support for the PCIe host bridge on Juno R1
Documentation: of: Document the bindings used by Juno R1 PCIe host bridge
arm64: dts: mt8173: Add clocks for SCPSYS unit
arm64: dts: mt8173: Add subsystem clock controller device nodes
+ Linux 4.3-rc5
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https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into next/dt
Bringing in the sunxi clock branch since it introduces header file contents
that is needed by the DT branch. This is a stable tag shared with the clk tree.
Allwinner clock additions for 4.4
- Support for the Audio PLL and child clocks
- Support for the A33 AHB gates
- New clk-multiplier generic driver
* tag 'sunxi-clocks-for-4.4' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
clk: sunxi: mod1 clock support
clk: sunxi: codec clock support
clk: sunxi: pll2: Add A13 support
clk: sunxi: Add a driver for the PLL2
clk: Add a basic multiplier clock
clk: sunxi: Add A33 gates support
Signed-off-by: Olof Johansson <olof@lixom.net>
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https://github.com/Broadcom/stblinux into next/dt
This pull request contains the DT changes for BCM2835 in 4.4. It
pulls in clk/clk-bcm2835 (which Stephen Boyd has said would be stable)
because the DT changes to enable the clock driver need the driver
itself to be present. These changes include the following:
- Eric Anholt, moves the bcm2835 clock driver under bcm/ where it belongs with
other Broadcom clock providers drivers, defines the binding for new clock
driver, adds support for programming the BCM2835 audio domain, adds the DDC I2C
controller to Device Tree, and finally migrates the Device Tree to use the new
clock driver binding
- Lubomir Rintel adds support for the Raspberry Pi Model A+ and B revision 2, and
remove the I2S controller which is non-existent on Raspberry Pi Model B
- Stefan Wahren adds an uart0 label for referencing the UART adapter
* tag 'arm/soc/for-4.4/rpi-dt-v2' of https://github.com/Broadcom/stblinux:
ARM: bcm2835: Add the DDC I2C controller to the device tree.
ARM: bcm2835: Switch to using the new clock driver support.
ARM: bcm2835: dt: Add Raspberry Pi Model A+
ARM: bcm2835: dt: Add Raspberry Pi Model B rev2
ARM: bcm2835: dt: Raspberry Pi Model B had no I2S
ARM: bcm2835: add label for uart0
clk: bcm2835: Add support for programming the audio domain clocks
clk: bcm2835: Add binding docs for the new platform clock driver.
clk: bcm2835: Move under bcm/ with other Broadcom SoC clk drivers.
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt
Samsung 2nd DT updates for v4.4
- use exynos5420-dw-mshc instead of exynos5250 for exynos3250
- add DISP1 clocks and the DISP1 power domain of two closk
on exynos5250 (clock commit got Stephen's ack)
- add vbus regulators on exynos3250, exynos4210 and exynos4412 boards
- fix typo in regulator enable GPIO property on s5pv20-aquila and goni
- document: correct the example of exynos power domain clocks
- document: consolidate exynos SoC dt-bindings and non-Samsung
boards related compatibles (FriendlyARM, Google, Hardkernel
and Insignal)
- update MAINTAINER entries accordingly (documentation)
* tag 'samsung-dt-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
MAINTAINERS: Add documentation and dt-bindings for exynos stuff
dt-bindings: EXYNOS: Document compatibles from other vendors
dt-bindings: Consolidate Exynos SoC bindings
ARM: dts: Add clocks to DISP1 domain in exynos5250
dt-bindings: Correct the example for Exynos power domain clocks
ARM: dts: Fix typo in regulator enable GPIO property in s5pv210-goni
ARM: dts: Fix typo in regulator enable GPIO property in s5pv210-aquila
ARM: dts: Add vbus regulator to USB2 phy nodes on exynos3250, exynos4210 and exynos4412 boards
clk: samsung: exynos5250: Add DISP1 clocks
ARM: dts: use exynos5420-dw-mshc compatible for exynos3250
Signed-off-by: Olof Johansson <olof@lixom.net>
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When the DISP1 power domain is powered off, there's two clocks that need
to be temporarily reparented to OSC, and back to their original parents
when the domain is powered on again.
We expose these two clocks in the DT bindings so that the DT node of the
power domain can reference them.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/dt
The i.MX device tree changes for 4.4:
- Add IOMUXC LPSR (Low Power State Retention) device for i.MX7D.
- Add a few low power mode related devices and touch controller for
i.MX6UL.
- Add a number of devices for i.MX7D SDB board support, USB, Dual FEC,
and eMMC5.0.
- i.MX6 Boundary Devices updates: relicense under GPLv2/X11, add Okaya
LCD, touch and wifi support, add new boards Nitrogen6_Lite and
Nitrogen6_Max.
- Enable touch screen and NAND Flash controller for a few Vybrid
devices.
- Some random and small updates on LS1021A and MXS support.
* tag 'imx-dt-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: (53 commits)
ARM: dts: ls1021a: Add quirk for Erratum A009116
ARM: imx6sx-sdb: Fix typo in regulator enable GPIO property
ARM: dts: imx6: phyFLEX: fix typo in "pinctrl-names"
ARM: dts: imx6: change the core clock of spdif
ARM: dts: vf-colibri: enable NAND flash controller
ARM: dts: vf610twr: add NAND flash controller peripherial
ARM: dts: imx: add Boundary Devices Nitrogen6_Lite board
ARM: dts: imx: add Boundary Devices Nitrogen6_Max board
ARM: dts: imx6dl-nitrogen6x: change manufacturer to Boundary Devices
ARM: dts: imx6q-nitrogen6x: change manufacturer to Boundary Devices
of: Add Boundary Devices Inc. vendor prefix
ARM: dts: imx6qdl-sabrelite: relicense under GPLv2/X11
ARM: dts: imx6qdl-nitrogen6x: relicense under GPLv2/X11
ARM: dts: imx6qdl-nitrogen6x: add wifi wl1271 support
ARM: dts: imx6dql-nitrogen6x: add touchscreen support
ARM: dts: imx6qdl-sabrelite: add Okaya LCD panel
ARM: dts: imx6qdl-nitrogen6x: add Okaya LCD panel
ARM: dts: vf500-colibri: Add device tree node for touchscreen support
ARM: dts: i.MX35: fix cpu compatible value
ARM: dts: i.MX31: fix cpu compatible value
...
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"As we've enabled multiplatform kernels on ARM, and greatly done away
with the contents under arch/arm/mach-*, there's still need for
SoC-related drivers to go somewhere.
Many of them go in through other driver trees, but we still have
drivers/soc to hold some of the "doesn't fit anywhere" lowlevel code
that might be shared between ARM and ARM64 (or just in general makes
sense to not have under the architecture directory).
This branch contains mostly such code:
- Drivers for qualcomm SoCs for SMEM, SMD and SMD-RPM, used to
communicate with power management blocks on these SoCs for use by
clock, regulator and bus frequency drivers.
- Allwinner Reduced Serial Bus driver, again used to communicate with
PMICs.
- Drivers for ARM's SCPI (System Control Processor). Not to be
confused with PSCI (Power State Coordination Interface). SCPI is
used to communicate with the assistant embedded cores doing power
management, and we have yet to see how many of them will implement
this for their hardware vs abstracting in other ways (or not at all
like in the past).
- To make confusion between SCPI and PSCI more likely, this release
also includes an update of PSCI to interface version 1.0.
- Rockchip support for power domains.
- A driver to talk to the firmware on Raspberry Pi"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (57 commits)
soc: qcom: smd-rpm: Correct size of outgoing message
bus: sunxi-rsb: Add driver for Allwinner Reduced Serial Bus
bus: sunxi-rsb: Add Allwinner Reduced Serial Bus (RSB) controller bindings
ARM: bcm2835: add mutual inclusion protection
drivers: psci: make PSCI 1.0 functions initialization version dependent
dt-bindings: Correct paths in Rockchip power domains binding document
soc: rockchip: power-domain: don't try to print the clock name in error case
soc: qcom/smem: add HWSPINLOCK dependency
clk: berlin: add cpuclk
ARM: berlin: dts: add CLKID_CPU for BG2Q
ARM: bcm2835: Add the Raspberry Pi firmware driver
soc: qcom: smem: Move RPM message ram out of smem DT node
soc: qcom: smd-rpm: Correct the active vs sleep state flagging
soc: qcom: smd: delete unneeded of_node_put
firmware: qcom-scm: build for correct architecture level
soc: qcom: smd: Correct SMEM items for upper channels
qcom-scm: add missing prototype for qcom_scm_is_available()
qcom-scm: fix endianess issue in __qcom_scm_is_call_available
soc: qcom: smd: Reject send of too big packets
soc: qcom: smd: Handle big endian CPUs
...
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git://git.infradead.org/users/hesselba/linux-berlin into next/drivers
Merge "Marvell Berlin BG2Q CPU clock driver" from Sebastian Hesselbarth:
- add BG2Q CPU clock to clk driver
* tag 'berlin-new-cpuclk-for-4.4-1' of git://git.infradead.org/users/hesselba/linux-berlin:
clk: berlin: add cpuclk
ARM: berlin: dts: add CLKID_CPU for BG2Q
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Add cpuclk in the Berlin BG2Q clock driver. This clk has a divider
fixed to 1.
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into next/drivers
Merge "ARM System Control and Power Interface(SCPI) support" from Sudeep Holla
It adds support for the following features provided by SCP firmware
using different subsystems in Linux:
1. SCPI mailbox protocol driver which using mailbox framework
2. Clocks provided by SCP using clock framework
3. CPU DVFS(cpufreq) using existing arm-big-little driver
4. SCPI based sensors including temperature sensors
* tag 'arm-scpi-for-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
hwmon: Support thermal zones registration for SCP temperature sensors
hwmon: Support sensors exported via ARM SCP interface
firmware: arm_scpi: Extend to support sensors
Documentation: add DT bindings for ARM SCPI sensors
cpufreq: arm_big_little: add SCPI interface driver
clk: scpi: add support for cpufreq virtual device
clk: add support for clocks provided by SCP(System Control Processor)
firmware: add support for ARM System Control and Power Interface(SCPI) protocol
Documentation: add DT binding for ARM System Control and Power Interface(SCPI) protocol
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The clocks for the CPUs are provided by SCP and are managed by this
clock driver. So the cpufreq device needs to be added only after the
clock get registered and removed when this driver is unloaded.
This patch manages the cpufreq virtual device based on the clock
availability.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Cc: Mike Turquette <mturquette@baylibre.com>
Cc: Liviu Dudau <Liviu.Dudau@arm.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Jon Medhurst (Tixy) <tixy@linaro.org>
Cc: linux-clk@vger.kernel.org
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On some ARM based systems, a separate Cortex-M based System Control
Processor(SCP) provides the overall power, clock, reset and system
control. System Control and Power Interface(SCPI) Message Protocol
is defined for the communication between the Application Cores(AP)
and the SCP.
This patch adds support for the clocks provided by SCP using SCPI
protocol.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Cc: Mike Turquette <mturquette@baylibre.com>
Cc: Liviu Dudau <Liviu.Dudau@arm.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Jon Medhurst (Tixy) <tixy@linaro.org>
Cc: linux-clk@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers
Merge "Renesas ARM Based SoC Clk Updates for v4.4" from Simon Horman:
* Consider "zb_clk" suitable for power management
This part of a multi-stage effort by Geert Uytterhoeven to add:
"Clock Domain support to the Clock Pulse Generator (CPG) Module Stop
(MSTP) Clocks driver using the generic PM Domain, to be used on shmobile
SoCs without device power domains (R-Car Gen1 and Gen2, RZ). This allows
to power-manage the module clocks of SoC devices that are part of the
CPG/MSTP Clock Domain using Runtime PM, or for system suspend/resume,
similar to SoCs with device power domains (SH-Mobile and R-Mobile)."
* tag 'renesas-clk-for-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
clk: shmobile: mstp: Consider "zb_clk" suitable for power management
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson:
"New and/or improved SoC support for this release:
Marvell Berlin:
- Enable standard DT-based cpufreq
- Add CPU hotplug support
Freescale:
- Ethernet init for i.MX7D
- Suspend/resume support for i.MX6UL
Allwinner:
- Support for R8 chipset (used on NTC's $9 C.H.I.P board)
Mediatek:
- SMP support for some platforms
Uniphier:
- L2 support
- Cleaned up SMP support, etc.
plus a handful of other patches around above functionality, and a few
other smaller changes"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (42 commits)
ARM: uniphier: rework SMP operations to use trampoline code
ARM: uniphier: add outer cache support
Documentation: EXYNOS: Update bootloader interface on exynos542x
ARM: mvebu: add broken-idle option
ARM: orion5x: use mac_pton() helper
ARM: at91: pm: at91_pm_suspend_in_sram() must be 8-byte aligned
ARM: sunxi: Add R8 support
ARM: digicolor: select pinctrl/gpio driver
arm: berlin: add CPU hotplug support
arm: berlin: use non-self-cleared reset register to reset cpu
ARM: mediatek: add smp bringup code
ARM: mediatek: enable gpt6 on boot up to make arch timer working
soc: mediatek: Fix random hang up issue while kernel init
soc: ti: qmss: make acc queue support optional in the driver
soc: ti: add firmware file name as part of the driver
Documentation: dt: soc: Add description for knav qmss driver
ARM: S3C64XX: Use PWM lookup table for mach-smartq
ARM: S3C64XX: Use PWM lookup table for mach-hmt
ARM: S3C64XX: Use PWM lookup table for mach-crag6410
ARM: S3C64XX: Use PWM lookup table for smdk6410
...
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https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into next/soc
Allwinner core changes for 4.4
Add support for the Allwinner R8 SoC used in the CHIP.
* tag 'sunxi-core-for-4.4' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
ARM: sunxi: Add R8 support
Signed-off-by: Olof Johansson <olof@lixom.net>
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The R8 is a new Allwinner SoC based on the A13. While both are very
similar, there's still a few differences. Introduce a new compatible to
deal with them.
In order to have a consistent naming, instead of mentioning the Allwinner
A series as the machine name, switch to sun4i/sun5i like what is done for
the other families.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
Merge "Renesas ARM Based SoC Updates for v4.4" from Simon Horman:
* ARM: shmobile: R-Mobile: Use CPG/MSTP Clock Domain attach/detach helpers
This part of a multi-stage effort by Geert Uytterhoeven to add:
"Clock Domain support to the Clock Pulse Generator (CPG) Module Stop
(MSTP) Clocks driver using the generic PM Domain, to be used on shmobile
SoCs without device power domains (R-Car Gen1 and Gen2, RZ). This allows
to power-manage the module clocks of SoC devices that are part of the
CPG/MSTP Clock Domain using Runtime PM, or for system suspend/resume,
similar to SoCs with device power domains (SH-Mobile and R-Mobile)."
* tag 'renesas-soc-for-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: R-Mobile: Use CPG/MSTP Clock Domain attach/detach helpers
clk: shmobile: mstp: Consider "zb_clk" suitable for power management
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Currently the CPG/MSTP Clock Domain code looks for MSTP clocks to power
manage a device.
Unfortunately, on R-Mobile APE6 (r8a73a4) and SH-Mobile AG5 (sh73a0),
the Bus State Controller (BSC) is not power-managed by an MSTP clock,
but by a plain CPG clock (zb_clk). Add a special case to handle this,
so the clock is properly managed, and devices connected to the BSC work
as expected.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
- Kconfig: remove BE-only platforms from LE kernel build from Boqun
Feng
- Refresh ps3_defconfig from Geoff Levand
- Emit GNU & SysV hashes for the vdso from Michael Ellerman
- Define an enum for the bolted SLB indexes from Anshuman Khandual
- Use a local to avoid multiple calls to get_slb_shadow() from Michael
Ellerman
- Add gettimeofday() benchmark from Michael Neuling
- Avoid link stack corruption in __get_datapage() from Michael Neuling
- Add virt_to_pfn and use this instead of opencoding from Aneesh Kumar
K.V
- Add ppc64le_defconfig from Michael Ellerman
- pseries: extract of_helpers module from Andy Shevchenko
- Correct string length in pseries_of_derive_parent() from Nathan
Fontenot
- Free the MSI bitmap if it was slab allocated from Denis Kirjanov
- Shorten irq_chip name for the SIU from Christophe Leroy
- Wait 1s for secondaries to enter OPAL during kexec from Samuel
Mendoza-Jonas
- Fix _ALIGN_* errors due to type difference, from Aneesh Kumar K.V
- powerpc/pseries/hvcserver: don't memset pi_buff if it is null from
Colin Ian King
- Disable hugepd for 64K page size, from Aneesh Kumar K.V
- Differentiate between hugetlb and THP during page walk from Aneesh
Kumar K.V
- Make PCI non-optional for pseries from Michael Ellerman
- Individual System V IPC system calls from Sam bobroff
- Add selftest of unmuxed IPC calls from Michael Ellerman
- discard .exit.data at runtime from Stephen Rothwell
- Delete old orphaned PrPMC 280/2800 DTS and boot file, from Paul
Gortmaker
- Use of_get_next_parent to simplify code from Christophe Jaillet
- Paginate some xmon output from Sam bobroff
- Add some more elements to the xmon PACA dump from Michael Ellerman
- Allow the tm-syscall selftest to build with old headers from Michael
Ellerman
- Run EBB selftests only on POWER8 from Denis Kirjanov
- Drop CONFIG_TUNE_CELL in favour of CONFIG_CELL_CPU from Michael
Ellerman
- Avoid reference to potentially freed memory in prom.c from Christophe
Jaillet
- Quieten boot wrapper output with run_cmd from Geoff Levand
- EEH fixes and cleanups from Gavin Shan
- Fix recursive fenced PHB on Broadcom shiner adapter from Gavin Shan
- Use of_get_next_parent() in of_get_ibm_chip_id() from Michael
Ellerman
- Fix section mismatch warning in msi_bitmap_alloc() from Denis
Kirjanov
- Fix ps3-lpm white space from Rudhresh Kumar J
- Fix ps3-vuart null dereference from Colin King
- nvram: Add missing kfree in error path from Christophe Jaillet
- nvram: Fix function name in some errors messages, from Christophe
Jaillet
- drivers/macintosh: adb: fix misleading Kconfig help text from Aaro
Koskinen
- agp/uninorth: fix a memleak in create_gatt_table from Denis Kirjanov
- cxl: Free virtual PHB when removing from Andrew Donnellan
- scripts/kconfig/Makefile: Allow KBUILD_DEFCONFIG to be a target from
Michael Ellerman
- scripts/kconfig/Makefile: Fix KBUILD_DEFCONFIG check when building
with O= from Michael Ellerman
- Freescale updates from Scott: Highlights include 64-bit book3e
kexec/kdump support, a rework of the qoriq clock driver, device tree
changes including qoriq fman nodes, support for a new 85xx board, and
some fixes.
- MPC5xxx updates from Anatolij: Highlights include a driver for
MPC512x LocalPlus Bus FIFO with its device tree binding
documentation, mpc512x device tree updates and some minor fixes.
* tag 'powerpc-4.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (106 commits)
powerpc/msi: Fix section mismatch warning in msi_bitmap_alloc()
powerpc/prom: Use of_get_next_parent() in of_get_ibm_chip_id()
powerpc/pseries: Correct string length in pseries_of_derive_parent()
powerpc/e6500: hw tablewalk: make sure we invalidate and write to the same tlb entry
powerpc/mpc85xx: Add FSL QorIQ DPAA FMan support to the SoC device tree(s)
powerpc/mpc85xx: Create dts components for the FSL QorIQ DPAA FMan
powerpc/fsl: Add #clock-cells and clockgen label to clockgen nodes
powerpc: handle error case in cpm_muram_alloc()
powerpc: mpic: use IRQCHIP_SKIP_SET_WAKE instead of redundant mpic_irq_set_wake
powerpc/book3e-64: Enable kexec
powerpc/book3e-64/kexec: Set "r4 = 0" when entering spinloop
powerpc/booke: Only use VIRT_PHYS_OFFSET on booke32
powerpc/book3e-64/kexec: Enable SMP release
powerpc/book3e-64/kexec: create an identity TLB mapping
powerpc/book3e-64: Don't limit paca to 256 MiB
powerpc/book3e/kdump: Enable crash_kexec_wait_realmode
powerpc/book3e: support CONFIG_RELOCATABLE
powerpc/booke64: Fix args to copy_and_flush
powerpc/book3e-64: rename interrupt_end_book3e with __end_interrupts
powerpc/e6500: kexec: Handle hardware threads
...
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This is a major overhaul of the clk-qoriq driver, which I'm merging
via PPC with Stephen Boyd's ack in order to apply subsequent PPC patches
that depend on it.
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Signed-off-by: Hou Zhiqiang <B48286@freescale.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Scott Wood <scottwood@freescale.com>
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Signed-off-by: Scott Wood <scottwood@freescale.com>
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LS2080A is the first implementation of the chassis 3 clockgen, which
has a different register layout than previous chips. It is also little
endian, unlike previous chips.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
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The device tree should describe the chips (or chip-like subblocks) in
the system, but it generally does not describe individual registers --
it should identify, rather than describe, a programming interface.
This has not been the case with the QorIQ clockgen nodes. The
knowledge of what each bit setting of CLKCnCSR means is encoded in
three places (binding, pll node, and mux node), and the last also needs
to know which options are valid on a particular chip. All three of
these locations are considered stable ABI, making it difficult to fix
mistakes (of which I have found several), much less refactor the
abstraction to be able to address problems, limitations, or new chips.
Under the current binding, a pll clock specifier of 2 means that the
PLL is divided by 4 -- and the driver implements this, unless there
happen to be four clock-output-names rather than 3, in which case it
interprets it as PLL divided by 3. This does not appear in the binding
documentation at all. That hack is now considered stable ABI.
The current device tree nodes contain errors, such as saying that
T1040 can set a core clock to PLL/4 when only PLL and PLL/2 are options.
The current binding also ignores some restrictions on clock selection,
such as p5020's requirement that if a core uses the "wrong" PLL, that
PLL must be clocked lower than the "correct" PLL and be at most 80% of
the rated CPU frequency.
Possibly because of the lack of the ability to express such nuance in
the binding, some valid options are omitted from the device trees, such
as the ability on p4080 to run cores 0-3 from PLL3 and cores 4-7 from
PLL1 (again, only if they are at most 80% of rated CPU frequency).
This omission, combined with excessive caution in the cpufreq driver
(addressed in a subsequent patch), means that currently on a 1500 MHz
p4080 with typical PLL configuration, cpufreq can lower the frequency
to 1200 MHz on half the CPUs and do nothing on the others. With this
patchset, all CPUs can be lowered to 1200 MHz on a rev2 p4080, and on a
rev3 p4080 half can be lowered to 750 MHz and the other half to 600
MHz.
The current binding only deals with CPU clocks. To describe FMan in
the device tree, we need to describe its clock. Some chips have
additional muxes that work like the CPU muxes, but are not described in
the device tree. Others require inspecting the Reset Control Word to
determine which PLL is used. Rather than continue to extend this mess,
replace it. Have the driver bind to the chip-specific clockgen
compatible, and keep the detailed description of quirky chip variations
in the driver, where it can be easily fixed, refactored, and extended.
Older device trees will continue to work (including a workaround for
old ls1021a device trees that are missing compatible and reg in the
clockgen node, which even the old binding required). The pll/mux
details in old device trees will be ignored, but "clocks" properties
pointing at the old nodes will still work, and be directed at the
corresponding new clock.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"The majority of the changes are driver updates and new device support.
The core framework is mostly unchanged this time around, with only a
couple patches to expose a clk provider API and make getting clk
parent names from DT more robust.
Driver updates:
- Support for clock controllers found on Broadcom Northstar SoCs and
bcm2835 SoC
- Support for Allwinner audio clocks
- A few cleanup patches for Tegra drivers and support for the highest
DFLL frequencies on Tegra124
- Samsung exynos7 fixes and improvements
- i.Mx SoC updates to add a few missing clocks and keep debug uart
clocks on during kernel intialization
- Some mediatek cleanups and support for more subsystem clocks
- Support for msm8916 gpu/audio clocks and qcom's GDSC power domain
controllers
- A new driver for the Silabs si514 clock chip"
* tag 'clk-for-linus-20151104' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (143 commits)
clk: qcom: msm8960: Fix dsi1/2 halt bits
clk: lpc18xx-cgu: fix potential system hang when disabling unused clocks
clk: lpc18xx-ccu: fix potential system hang when disabling unused clocks
clk: Add clk_hw_is_enabled() for use by clk providers
clk: Add stubs for of_clk_*() APIs when CONFIG_OF=n
clk: versatile-icst: fix memory leak
clk: Remove clk_{register,unregister}_multiplier()
clk: iproc: define Broadcom NS2 iProc clock binding
clk: iproc: define Broadcom NSP iProc clock binding
clk: ns2: add clock support for Broadcom Northstar 2 SoC
clk: iproc: Separate status and control variables
clk: iproc: Split off dig_filter
clk: iproc: Add PLL base write function
clk: nsp: add clock support for Broadcom Northstar Plus SoC
clk: iproc: Add PWRCTRL support
clk: cygnus: Convert all macros to all caps
ARM: cygnus: fix link failures when CONFIG_COMMON_CLK_IPROC is disabled
clk: imx31: add missing of_node_put
clk: imx27: add missing of_node_put
clk: si5351: add missing of_node_put
...
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The halt bits for these clocks seem wrong. I get the following
warning while booting on an msm8960-cdp:
WARNING: CPU: 0 PID: 1 at drivers/clk/qcom/clk-branch.c:97 clk_branch_toggle+0xd0/0x138()
dsi1_clk status stuck at 'on'
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.3.0-rc3-00113-g5532cfb567fe #110
Hardware name: Qualcomm (Flattened Device Tree)
[<c0216984>] (unwind_backtrace) from [<c02138f8>] (show_stack+0x10/0x14)
[<c02138f8>] (show_stack) from [<c04a525c>] (dump_stack+0x70/0xbc)
[<c04a525c>] (dump_stack) from [<c0223c70>] (warn_slowpath_common+0x78/0xb4)
[<c0223c70>] (warn_slowpath_common) from [<c0223d40>] (warn_slowpath_fmt+0x30/0x40)
[<c0223d40>] (warn_slowpath_fmt) from [<c05fc2dc>] (clk_branch_toggle+0xd0/0x138)
[<c05fc2dc>] (clk_branch_toggle) from [<c05f3f3c>] (clk_disable_unused_subtree+0x98/0x1b0)
[<c05f3f3c>] (clk_disable_unused_subtree) from [<c05f3ec4>] (clk_disable_unused_subtree+0x20/0x1b0)
[<c05f3ec4>] (clk_disable_unused_subtree) from [<c05f5474>] (clk_disable_unused+0x58/0xd8)
[<c05f5474>] (clk_disable_unused) from [<c0209710>] (do_one_initcall+0xac/0x1ec)
[<c0209710>] (do_one_initcall) from [<c0991db4>] (kernel_init_freeable+0x11c/0x1e8)
[<c0991db4>] (kernel_init_freeable) from [<c0727ae0>] (kernel_init+0x8/0xec)
[<c0727ae0>] (kernel_init) from [<c0210238>] (ret_from_fork+0x14/0x3c)
Fix the status bits and the errors go away.
Fixes: 5532cfb567fe ("clk: qcom: mmcc-8960: Add DSI related clocks")
Acked-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The clock consumer (CCU) of the CGU must be able to check if a CGU
base clock is really running since access to the CCU registers
requires a running base clock. Access with a disabled base clock will
cause the system to hang. Fix this issue by adding code that check if
the parent clock is running in the is_enabled clk_ops callback. Since
certain clocks can be cascaded this must be added to all clock gates.
The hang would occur if the boot ROM or boot loader didn't setup and
enable the USB0 clock. Then when the clk framework tried to access
the CCU register it would hang the system.
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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CCU branch clock register must only be accessed while the base
(parent) clock is running. Access with a disabled base clock
will cause the system to hang. Fix this issue by adding code
that check if the parent clock is running in the is_enabled
clk_ops callback.
This hang would occur when disabling unused clocks after AMBA
runtime pm had already disabled some of the clocks.
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Add clk_hw_is_enabled() to the provider APIs so clk providers can
use a struct clk_hw instead of a struct clk to check if a clk is
enabled or not.
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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A static code checker found a memory leak in the Versatile
ICST code. Fix it.
Fixes: a183da637c52 "clk: versatile: respect parent rate in ICST clock"
Reported-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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These APIs aren't used, so remove them. This can be reverted if
we get a user at some point.
Reviewed-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Suggested-by: Michael Turquette <mturquette@baylibre.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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* clk-iproc:
clk: iproc: define Broadcom NS2 iProc clock binding
clk: iproc: define Broadcom NSP iProc clock binding
clk: ns2: add clock support for Broadcom Northstar 2 SoC
clk: iproc: Separate status and control variables
clk: iproc: Split off dig_filter
clk: iproc: Add PLL base write function
clk: nsp: add clock support for Broadcom Northstar Plus SoC
clk: iproc: Add PWRCTRL support
clk: cygnus: Convert all macros to all caps
ARM: cygnus: fix link failures when CONFIG_COMMON_CLK_IPROC is disabled
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The Broadcom Northstar 2 SoC is architected under the iProc
architecture. It has the following PLLs: GENPLL SCR, GENPLL SW,
LCPLL DDR, LCPLL Ports, all derived from an onboard crystal.
Signed-off-by: Jon Mason <jonmason@broadcom.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Some PLLs have separate registers for Status and Control. The means the
pll_base needs to be split into 2 new variables, so that those PLLs can
specify device tree registers for those independently. Also, add a new
driver flag to identify this presence of the split, and let the driver
know that additional registers need to be used.
Signed-off-by: Jon Mason <jonmason@broadcom.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The PLL loop filter/gain can be located in a separate register on some
SoCs. Split these off into a separate variable, so that an offset can
be added if necessary. Also, make the necessary modifications to the
Cygnus and NSP drivers for this change.
Signed-off-by: Jon Mason <jonmason@broadcom.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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All writes to the PLL base address must be flushed if the
IPROC_CLK_NEEDS_READ_BACK flag is set. If we add a function to make the
necessary write and reads, we can make sure that any future code which
makes PLL base writes will do the correct thing.
Signed-off-by: Jon Mason <jonmason@broadcom.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The Broadcom Northstar Plus SoC is architected under the iProc
architecture. It has the following PLLs: ARMPLL, GENPLL, LCPLL0, all
derived from an onboard crystal.
Signed-off-by: Jon Mason <jonmason@broadcom.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Some iProc SoC clocks use a different way to control clock power, via
the PWRDWN bit in the PLL control register. Since the PLL control
register is used to access the PWRDWN bit, there is no need for the
pwr_base when this is being used. A new flag, IPROC_CLK_EMBED_PWRCTRL,
has been added to identify this usage. We can use the AON interface to
write the values to enable/disable PWRDOWN.
Signed-off-by: Jon Mason <jonmason@broadcom.com>
[sboyd@codeaurora.org: Remove useless parentheses]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The macros that are being used to initialize the values of the clk
structures should be all caps. Find and replace all of them with their
relevant counterparts.
Signed-off-by: Jon Mason <jonmason@broadcom.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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When CONFIG_CYGNUS is set but CONFIG_COMMON_CLK_IPROC is disabled, the
following link failures are caused:
drivers/built-in.o: In function `cygnus_armpll_init':
:(.init.text+0x1d290): undefined reference to `iproc_armpll_setup'
drivers/built-in.o: In function `cygnus_genpll_clk_init':
:(.init.text+0x1d2c4): undefined reference to `iproc_pll_clk_setup'
drivers/built-in.o: In function `cygnus_lcpll0_clk_init':
:(.init.text+0x1d304): undefined reference to `iproc_pll_clk_setup'
drivers/built-in.o: In function `cygnus_mipipll_clk_init':
:(.init.text+0x1d344): undefined reference to `iproc_pll_clk_setup'
drivers/built-in.o: In function `cygnus_asiu_init':
:(.init.text+0x1d370): undefined reference to `iproc_asiu_setup'
It is fixed it by always selecting COMMON_CLK_IPROC from
ARCH_BCM_IPROC, and making COMMON_CLK_IPROC a silent option (thus
preventing it from being erroneously disabled by a user).
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jon Mason <jonmason@broadcom.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into clk-next
Pull Allwinner clock additions for 4.4 from Maxime Ripard:
- Support for the Audio PLL and child clocks
- Support for the A33 AHB gates
- New clk-multiplier generic driver
* tag 'sunxi-clocks-for-4.4' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
clk: sunxi: mod1 clock support
clk: sunxi: codec clock support
clk: sunxi: pll2: Add A13 support
clk: sunxi: Add a driver for the PLL2
clk: Add a basic multiplier clock
clk: sunxi: Add A33 gates support
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The module 1 type of clocks consist of a gate and a mux and are used on
the audio blocks to mux and gate the PLL2 outputs for AC97, IIS or
SPDIF. This commit adds support for them on the sunxi clock driver.
Signed-off-by: Emilio López <emilio@elopez.com.ar>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
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The codec clock on sun4i, sun5i and sun7i is a simple gate with PLL2 as
parent. Add a driver for such a clock.
Signed-off-by: Emilio López <emilio@elopez.com.ar>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
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The A13, unlike the A10 and A20, doesn't use a pass-through exception for
the 0 value in the pre and post dividers, but increments all the values
written in the register by one.
Add an exception for both these cases to handle them nicely.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
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The PLL2 on the A10 and later SoCs is the clock used for all the audio
related operations.
This clock has a somewhat complex output tree, with three outputs (2X, 4X
and 8X) with a fixed divider from the base clock, and an output (1X) with a
post divider.
However, we can simplify things since the 1X divider can be fixed, and we
end up by having a base clock not exposed to any device (or at least
directly, since the 4X output doesn't have any divider), and 4 fixed
divider clocks that will be exposed.
This clock seems to have been introduced, at least in this form, in the
revision B of the A10, but we don't have any information on the clock used
on the revision A.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
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Some clocks are using a multiplier component, however, unlike their mux,
gate or divider counterpart, these factors don't have a basic clock
implementation.
This leads to code duplication across platforms that want to use that kind
of clocks, and the impossibility to use the composite clocks with such a
clock without defining your own rate operations.
Create such a driver in order to remove these issues, and hopefully factor
the implementations, reducing code size across platforms and consolidating
the various implementations.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
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The A33 gates are different from the A23 ones, add a new hook to simple
gates to handle this clock
Reported-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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for_each_compatible_node performs an of_node_get on each iteration, so a
break out of the loop requires an of_node_put.
The semantic patch that fixes this problem is as follows
(http://coccinelle.lip6.fr):
// <smpl>
@@
local idexpression n;
expression e;
@@
for_each_compatible_node(n,...) {
...
(
of_node_put(n);
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e = n
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+ of_node_put(n);
? break;
)
...
}
... when != n
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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for_each_compatible_node performs an of_node_get on each iteration, so a
break out of the loop requires an of_node_put.
The semantic patch that fixes this problem is as follows
(http://coccinelle.lip6.fr):
// <smpl>
@@
local idexpression n;
expression e;
@@
for_each_compatible_node(n,...) {
...
(
of_node_put(n);
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e = n
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+ of_node_put(n);
? break;
)
...
}
... when != n
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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