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2015-11-13Merge tag 'for-4.4' of git://git.osdn.jp/gitroot/uclinux-h8/linuxLinus Torvalds1-1/+5
Pull h8300 updates from Yoshinori Sato: "Some bug fixes" * tag 'for-4.4' of git://git.osdn.jp/gitroot/uclinux-h8/linux: h8300: enable CLKSRC_OF h8300: Don't set CROSS_COMPILE unconditionally asm-generic: {get,put}_user ptr argument evaluate only 1 time h8300: bit io fix h8300: zImage fix h8300: register address fix h8300: Fix alignment for .data h8300: unaligned divcr register support.
2015-11-11Merge tag 'armsoc-dt' of ↵Linus Torvalds1-1/+13
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 ...
2015-11-11Merge tag 'armsoc-drivers' of ↵Linus Torvalds4-7/+343
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 ...
2015-11-11Merge tag 'armsoc-soc' of ↵Linus Torvalds2-0/+5
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 ...
2015-11-10Merge branch 'next/arm64' into next/dtOlof Johansson4-25/+9
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
2015-11-08h8300: unaligned divcr register support.Yoshinori Sato1-1/+5
DIVCR is unaligned long word. So we need adjustment for long word align. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
2015-11-06Merge tag 'powerpc-4.4-1' of ↵Linus Torvalds2-220/+1136
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 ...
2015-11-05Merge tag 'clk-for-linus-20151104' of ↵Linus Torvalds107-999/+7515
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 ...
2015-11-02Merge tag 'mmc-v4.4' of git://git.linaro.org/people/ulf.hansson/mmcLinus Torvalds1-19/+35
Pull MMC updates from Ulf Hansson: "MMC core: - Add new API to set VCCQ voltage - mmc_regulator_set_vqmmc() - Add new ioctl to allow userspace to send multi commands - Wait for card busy signalling before starting SDIO requests - Remove MMC_CLKGATE - Enable tuning for DDR50 mode - Some code clean-up/improvements to mmc pwrseq - Use highest priority for eMMC restart handler - Add DT bindings for eMMC hardware reset support - Extend the mmc_send_tuning() API - Improve ios show for debugfs - A couple of code optimizations MMC host: - Some generic OF improvements - Various code clean-ups - sirf: Add support for DDR50 - sunxi: Add support for card busy detection - mediatek: Use MMC_CAP_RUNTIME_RESUME - mediatek: Add support for eMMC HW-reset - mediatek: Add support for HS400 - dw_mmc: Convert to use the new mmc_regulator_set_vqmmc() API - dw_mmc: Add external DMA interface support - dw_mmc: Some various improvements - dw_mmc-rockchip: MMC tuning with the clock phase framework - sdhci: Properly clear IRQs during resume - sdhci: Enable tuning for DDR50 mode - sdhci-of-esdhc: Use IRQ mode for card detection - sdhci-of-esdhc: Support both BE and LE host controller - sdhci-pci: Build o2micro support in the same module - sdhci-pci: Support for new Intel host controllers - sdhci-acpi: Support for new Intel host controllers" * tag 'mmc-v4.4' of git://git.linaro.org/people/ulf.hansson/mmc: (73 commits) mmc: dw_mmc: fix the wrong setting for UHS-DDR50 mode mmc: dw_mmc: fix the CardThreshold boundary at CardThrCtl register mmc: dw_mmc: NULL dereference in error message mmc: pwrseq: Use highest priority for eMMC restart handler mmc: mediatek: add HS400 support mmc: mmc: extend the mmc_send_tuning() mmc: mediatek: add implement of ops->hw_reset() mmc: mediatek: fix got GPD checksum error interrupt when data transfer mmc: mediatek: change the argument "ddr" to "timing" mmc: mediatek: make cmd_ints_mask to const mmc: dt-bindings: update Mediatek MMC bindings mmc: core: Add DT bindings for eMMC hardware reset support mmc: omap_hsmmc: Enable omap_hsmmc for Keystone 2 mmc: sdhci-acpi: Add more ACPI HIDs for Intel controllers mmc: sdhci-pci: Add more PCI IDs for Intel controllers arm: lpc18xx_defconfig: remove CONFIG_MMC_DW_IDMAC arm: hisi_defconfig: remove CONFIG_MMC_DW_IDMAC arm: exynos_defconfig: remove CONFIG_MMC_DW_IDMAC arc: axs10x_defconfig: remove CONFIG_MMC_DW_IDMAC mips: pistachio_defconfig: remove CONFIG_MMC_DW_IDMAC ...
2015-10-28Merge branch 'clock' into HEADScott Wood2-220/+1136
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.
2015-10-28Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-armLinus Torvalds1-1/+2
Pull ARM fixes from Russell King: "Two fixes for ARM and one for clkdev: - Fix another build issue with vdsomunge on non-glibc systems - Fix a randconfig build error caused by an invalid configuration - Fix a clkdev problem causing the Nokia n700 to no longer boot" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: clkdev: fix clk_add_alias() with a NULL alias device name ARM: 8445/1: fix vdsomunge not to depend on glibc specific byteswap.h ARM: make RiscPC depend on MMU
2015-10-27clk: qcom: msm8960: Fix dsi1/2 halt bitsStephen Boyd1-2/+2
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>
2015-10-27clk: qoriq: Add ls1043a support.Hou Zhiqiang1-0/+38
Signed-off-by: Hou Zhiqiang <B48286@freescale.com> Acked-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Scott Wood <scottwood@freescale.com>
2015-10-26clk: lpc18xx-cgu: fix potential system hang when disabling unused clocksJoachim Eastwood1-3/+39
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>
2015-10-26clk: lpc18xx-ccu: fix potential system hang when disabling unused clocksJoachim Eastwood1-2/+15
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>
2015-10-26clk: Add clk_hw_is_enabled() for use by clk providersJoachim Eastwood1-0/+5
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>
2015-10-26clk: rockchip: Make calculations use roundingDouglas Anderson1-6/+7
Let's use DIV_ROUND_CLOSEST for rounding, not just truncating division. This lets us get closer to the right rate. Before this: set_phase(86) delay_nums=26 reg[0xf000420c]=0x468 actual_degrees=83 set_phase(89) delay_nums=27 reg[0xf000420c]=0x46c actual_degrees=86 After this: set_phase(86) delay_nums=27 reg[0xf000420c]=0x46c actual_degrees=86 set_phase(89) delay_nums=28 reg[0xf000420c]=0x470 actual_degrees=90 Signed-off-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2015-10-26clk: rockchip: Allow more precision for some mmc clock phasesDouglas Anderson1-15/+30
Because of the inexact nature of the extra MMC delay elements (it's not possible to keep the phase monotonic and to also make phases (mod 90) > 70), we previously only allowed phases (mod 90) of 22.5, 45, and 67.5. But it's not the end of the world if the MMC clock phase goes non-monotonic. At most we'll be 25 degrees off. It's way better to test more phases to look for bad ones than to be 25 degrees off, because in the case of MMC really the point is to find bad phases and get as far asway from the as possible. If we get to test extra phases by going slightly non-monotonic then that might be fine. Worst case we would end up at a phases that's slight differnt than the one we wanted, but at least we'd still be quite far away from the a bad phase. Signed-off-by: Douglas Anderson <dianders@chromium.org> Fold in more precise variance-values of 44-77 instead of 40-80. Fold in the actual removal of the monotonic requirement and adapt patch message accordingly. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2015-10-26Merge tag 'sunxi-clocks-for-4.4' of ↵Olof Johansson7-0/+528
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>
2015-10-26Merge tag 'arm/soc/for-4.4/rpi-dt-v2' of ↵Olof Johansson4-56/+1576
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>
2015-10-26Merge tag 'samsung-dt-2' of ↵Olof Johansson1-1/+13
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>
2015-10-23clk: versatile-icst: fix memory leakLinus Walleij1-1/+3
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>
2015-10-23clk: Remove clk_{register,unregister}_multiplier()Stephen Boyd1-51/+0
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>
2015-10-23clk: samsung: exynos5250: Add DISP1 clocksTomeu Vizoso1-1/+13
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>
2015-10-23Merge tag 'imx-dt-4.4' of ↵Olof Johansson13-31/+209
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>
2015-10-23Merge tag 'sunxi-core-for-4.4' of ↵Olof Johansson1-0/+1
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>
2015-10-23clk: qoriq: Fix wrong data in p2041_cmux_grp2Scott Wood1-2/+2
Signed-off-by: Scott Wood <scottwood@freescale.com>
2015-10-22Merge branch 'clk-iproc' into clk-nextStephen Boyd8-158/+638
* 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
2015-10-22clk: ns2: add clock support for Broadcom Northstar 2 SoCJon Mason3-1/+290
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>
2015-10-22clk: iproc: Separate status and control variablesJon Mason2-40/+62
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>
2015-10-22clk: iproc: Split off dig_filterJon Mason4-17/+38
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>
2015-10-22clk: iproc: Add PLL base write functionJon Mason1-47/+33
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>
2015-10-22clk: nsp: add clock support for Broadcom Northstar Plus SoCJon Mason2-0/+137
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>
2015-10-22clk: iproc: Add PWRCTRL supportJon Mason2-17/+44
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>
2015-10-22clk: cygnus: Convert all macros to all capsJon Mason1-73/+73
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>
2015-10-22ARM: cygnus: fix link failures when CONFIG_COMMON_CLK_IPROC is disabledArnd Bergmann1-3/+1
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>
2015-10-22Merge tag 'sunxi-clocks-for-4.4' of ↵Stephen Boyd7-0/+528
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
2015-10-22clk: imx31: add missing of_node_putJulia Lawall1-1/+3
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); | e = n | + 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>
2015-10-22clk: imx27: add missing of_node_putJulia Lawall1-1/+3
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); | e = n | + 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>
2015-10-22clk: si5351: add missing of_node_putJulia Lawall1-7/+10
for_each_child_of_node performs an of_node_get on each iteration, so a break out of the loop requires an of_node_put. A simplified version of the semantic patch that fixes this problem is as follows (http://coccinelle.lip6.fr): // <smpl> @@ expression root,e; local idexpression child; @@ for_each_child_of_node(root, child) { ... when != of_node_put(child) when != e = child ( return child; | + of_node_put(child); ? return ...; ) ... } // </smpl> The resulting puts were manually moved to the end of the function for conciseness. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-10-22clk: add missing of_node_putJulia Lawall1-1/+4
for_each_matching_node_and_match performs an of_node_get on each iteration, so a break out of the loop requires an of_node_put. A simplified version of the semantic patch that fixes this problem is as follows (http://coccinelle.lip6.fr): // <smpl> @@ expression e1,e2,e; local idexpression np; @@ for_each_matching_node_and_match(np, e1, e2) { ... when != of_node_put(np) when != e = np ( return np; | + of_node_put(np); ? return ...; ) ... } // </smpl> Besides the problem identified by the semantic patch, this patch adds an of_node_get in front of saving np in a field of parent, to account for the fact that this value will be put on going on to the next element in the iteration, and then adds of_node_puts in the two loops where the parent pointer can be freed. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-10-22clk: qoriq: Add ls2080a support.Scott Wood2-10/+69
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>
2015-10-22clk: qoriq: Move chip-specific knowledge into driverScott Wood1-221/+1040
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>
2015-10-21clk: sunxi: mod1 clock supportEmilio López2-0/+82
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>
2015-10-21clk: sunxi: codec clock supportEmilio López2-0/+45
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>
2015-10-21clk: sunxi: pll2: Add A13 supportMaxime Ripard1-5/+33
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>
2015-10-21clk: sunxi: Add a driver for the PLL2Maxime Ripard2-0/+189
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>
2015-10-21clk: Add a basic multiplier clockMaxime Ripard2-0/+182
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>
2015-10-21clk: iproc: Fix PLL output frequency calculationSimran Rai1-8/+5
This patch affects the clocks that use fractional ndivider in their PLL output frequency calculation. Instead of 2^20 divide factor, the clock's ndiv integer shift was used. Fixed the bug by replacing ndiv integer shift with 2^20 factor. Signed-off-by: Simran Rai <ssimran@broadcom.com> Signed-off-by: Ray Jui <rjui@broadcom.com> Reviewed-by: Scott Branden <sbranden@broadcom.com> Fixes: 5fe225c105fd ("clk: iproc: add initial common clock support") Cc: <stable@vger.kernel.org> # v4.1+ Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-10-21clk: berlin: bg2: remove CLK_IGNORE_UNUSED flag for sdio clkJisheng Zhang1-2/+2
The clocks' properties have been already properly set, so there's no need to set this flag for sdio0 and sdio1 clk any more. Signed-off-by: Jisheng Zhang <jszhang@marvell.com> Signed-off-by: Michael Turquette <mturquette@baylibre.com>