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Subject[RFC v3 0/5] Per-user clock constraints
Date
Hi,

this version incorporates the feedback received in the first two versions. The only relevant changes are in the 3rd patch ("clk: use struct clk only for external API").

Not everything in arch/ builds yet, but Tegra and Exynos do build, and I have tested this in a Odroid U2.

Next I plan to fix any build issues, though of course I won't be able to test on all platforms (actually, most probably only on the Odroid U2).

Any opinions on the naming of struct clk_core will be much appreciated.

Thanks,

Tomeu

v2: * Rename provider API to e.g. clk_provider_set_rate as suggested by
Stephen
* Remove unnecessary error message on kzmalloc returning ENOMEM
* Have struct clk contain a pointer to struct clk_core as intended

v3: * Allocate and release the per-user struct clk
* Have clk_core_to_clk return any error it's passed, so calls to it can
be chained
* Add provider API for enable and disable
* Have clk_to_clk_core be an inline function to benefit of type-checking
* Have devres wrap the clk struct instead of clk_core
* Rename clk_core_to_clk to __clk_create_clk to make more clear that it
allocates

Tomeu Vizoso (5):
clk: Add temporary mapping to the existing API
clk: Move all drivers to use internal API
clk: use struct clk only for external API
clk: per-user clock accounting for debug
clk: Add floor and ceiling constraints to clock rates

drivers/clk/at91/clk-main.c | 24 +-
drivers/clk/at91/clk-master.c | 6 +-
drivers/clk/at91/clk-peripheral.c | 12 +-
drivers/clk/at91/clk-pll.c | 6 +-
drivers/clk/at91/clk-plldiv.c | 6 +-
drivers/clk/at91/clk-programmable.c | 10 +-
drivers/clk/at91/clk-slow.c | 24 +-
drivers/clk/at91/clk-smd.c | 6 +-
drivers/clk/at91/clk-system.c | 6 +-
drivers/clk/at91/clk-usb.c | 18 +-
drivers/clk/at91/clk-utmi.c | 6 +-
drivers/clk/bcm/clk-kona-setup.c | 6 +-
drivers/clk/bcm/clk-kona.c | 12 +-
drivers/clk/bcm/clk-kona.h | 2 +-
drivers/clk/berlin/berlin2-avpll.c | 4 +-
drivers/clk/berlin/berlin2-avpll.h | 4 +-
drivers/clk/berlin/berlin2-div.c | 2 +-
drivers/clk/berlin/berlin2-div.h | 2 +-
drivers/clk/berlin/berlin2-pll.c | 2 +-
drivers/clk/berlin/berlin2-pll.h | 2 +-
drivers/clk/berlin/bg2.c | 13 +-
drivers/clk/berlin/bg2q.c | 9 +-
drivers/clk/clk-axi-clkgen.c | 2 +-
drivers/clk/clk-axm5516.c | 4 +-
drivers/clk/clk-bcm2835.c | 2 +-
drivers/clk/clk-composite.c | 6 +-
drivers/clk/clk-devres.c | 29 ++
drivers/clk/clk-divider.c | 8 +-
drivers/clk/clk-efm32gg.c | 2 +-
drivers/clk/clk-fixed-factor.c | 6 +-
drivers/clk/clk-fixed-rate.c | 8 +-
drivers/clk/clk-fractional-divider.c | 4 +-
drivers/clk/clk-gate.c | 4 +-
drivers/clk/clk-highbank.c | 8 +-
drivers/clk/clk-ls1x.c | 16 +-
drivers/clk/clk-max77686.c | 10 +-
drivers/clk/clk-moxart.c | 8 +-
drivers/clk/clk-mux.c | 6 +-
drivers/clk/clk-nomadik.c | 14 +-
drivers/clk/clk-nspire.c | 4 +-
drivers/clk/clk-ppc-corenet.c | 8 +-
drivers/clk/clk-s2mps11.c | 6 +-
drivers/clk/clk-si5351.c | 17 +-
drivers/clk/clk-si570.c | 4 +-
drivers/clk/clk-twl6040.c | 2 +-
drivers/clk/clk-u300.c | 12 +-
drivers/clk/clk-vt8500.c | 4 +-
drivers/clk/clk-wm831x.c | 6 +-
drivers/clk/clk-xgene.c | 12 +-
drivers/clk/clk.c | 666 +++++++++++++++++---------
drivers/clk/clk.h | 16 +-
drivers/clk/clkdev.c | 102 ++--
drivers/clk/hisilicon/clk-hi3620.c | 8 +-
drivers/clk/hisilicon/clk.c | 16 +-
drivers/clk/hisilicon/clk.h | 2 +-
drivers/clk/hisilicon/clkgate-separated.c | 4 +-
drivers/clk/keystone/gate.c | 6 +-
drivers/clk/keystone/pll.c | 10 +-
drivers/clk/mmp/clk-apbc.c | 4 +-
drivers/clk/mmp/clk-apmu.c | 4 +-
drivers/clk/mmp/clk-frac.c | 4 +-
drivers/clk/mmp/clk-mmp2.c | 14 +-
drivers/clk/mmp/clk-pxa168.c | 12 +-
drivers/clk/mmp/clk-pxa910.c | 12 +-
drivers/clk/mmp/clk.h | 8 +-
drivers/clk/mvebu/clk-corediv.c | 4 +-
drivers/clk/mvebu/clk-cpu.c | 8 +-
drivers/clk/mvebu/common.c | 14 +-
drivers/clk/mxs/clk-div.c | 4 +-
drivers/clk/mxs/clk-frac.c | 4 +-
drivers/clk/mxs/clk-imx23.c | 4 +-
drivers/clk/mxs/clk-imx28.c | 4 +-
drivers/clk/mxs/clk-pll.c | 4 +-
drivers/clk/mxs/clk-ref.c | 4 +-
drivers/clk/mxs/clk-ssp.c | 2 +-
drivers/clk/mxs/clk.h | 16 +-
drivers/clk/qcom/clk-rcg.c | 6 +-
drivers/clk/qcom/clk-rcg2.c | 14 +-
drivers/clk/qcom/clk-regmap.c | 2 +-
drivers/clk/qcom/clk-regmap.h | 2 +-
drivers/clk/qcom/common.c | 6 +-
drivers/clk/qcom/gcc-msm8660.c | 2 +-
drivers/clk/qcom/gcc-msm8960.c | 2 +-
drivers/clk/qcom/gcc-msm8974.c | 2 +-
drivers/clk/qcom/mmcc-msm8960.c | 6 +-
drivers/clk/rockchip/clk-rockchip.c | 2 +-
drivers/clk/samsung/clk-exynos-audss.c | 16 +-
drivers/clk/samsung/clk-exynos4.c | 6 +-
drivers/clk/samsung/clk-pll.c | 6 +-
drivers/clk/samsung/clk-pll.h | 2 +-
drivers/clk/samsung/clk-s3c2410-dclk.c | 10 +-
drivers/clk/samsung/clk.c | 22 +-
drivers/clk/samsung/clk.h | 2 +-
drivers/clk/shmobile/clk-div6.c | 2 +-
drivers/clk/shmobile/clk-emev2.c | 4 +-
drivers/clk/shmobile/clk-mstp.c | 6 +-
drivers/clk/shmobile/clk-r8a7740.c | 6 +-
drivers/clk/shmobile/clk-r8a7779.c | 6 +-
drivers/clk/shmobile/clk-rcar-gen2.c | 10 +-
drivers/clk/shmobile/clk-rz.c | 6 +-
drivers/clk/sirf/clk-atlas6.c | 2 +-
drivers/clk/sirf/clk-common.c | 30 +-
drivers/clk/sirf/clk-prima2.c | 2 +-
drivers/clk/socfpga/clk-gate.c | 2 +-
drivers/clk/socfpga/clk-periph.c | 2 +-
drivers/clk/socfpga/clk-pll.c | 4 +-
drivers/clk/spear/clk-aux-synth.c | 8 +-
drivers/clk/spear/clk-frac-synth.c | 4 +-
drivers/clk/spear/clk-gpt-synth.c | 4 +-
drivers/clk/spear/clk-vco-pll.c | 8 +-
drivers/clk/spear/clk.h | 14 +-
drivers/clk/spear/spear1310_clock.c | 2 +-
drivers/clk/spear/spear1340_clock.c | 2 +-
drivers/clk/spear/spear3xx_clock.c | 8 +-
drivers/clk/spear/spear6xx_clock.c | 2 +-
drivers/clk/st/clkgen-fsyn.c | 22 +-
drivers/clk/st/clkgen-mux.c | 32 +-
drivers/clk/st/clkgen-pll.c | 34 +-
drivers/clk/sunxi/clk-a10-hosc.c | 2 +-
drivers/clk/sunxi/clk-a20-gmac.c | 2 +-
drivers/clk/sunxi/clk-factors.c | 4 +-
drivers/clk/sunxi/clk-sun6i-apb0-gates.c | 2 +-
drivers/clk/sunxi/clk-sun6i-apb0.c | 2 +-
drivers/clk/sunxi/clk-sun6i-ar100.c | 6 +-
drivers/clk/sunxi/clk-sunxi.c | 18 +-
drivers/clk/tegra/clk-audio-sync.c | 4 +-
drivers/clk/tegra/clk-divider.c | 4 +-
drivers/clk/tegra/clk-periph-gate.c | 4 +-
drivers/clk/tegra/clk-periph.c | 8 +-
drivers/clk/tegra/clk-pll-out.c | 4 +-
drivers/clk/tegra/clk-pll.c | 40 +-
drivers/clk/tegra/clk-super.c | 4 +-
drivers/clk/tegra/clk-tegra-audio.c | 4 +-
drivers/clk/tegra/clk-tegra-fixed.c | 8 +-
drivers/clk/tegra/clk-tegra-periph.c | 12 +-
drivers/clk/tegra/clk-tegra-pmc.c | 4 +-
drivers/clk/tegra/clk-tegra-super-gen4.c | 8 +-
drivers/clk/tegra/clk-tegra114.c | 10 +-
drivers/clk/tegra/clk-tegra124.c | 6 +-
drivers/clk/tegra/clk-tegra20.c | 12 +-
drivers/clk/tegra/clk-tegra30.c | 8 +-
drivers/clk/tegra/clk.c | 24 +-
drivers/clk/tegra/clk.h | 38 +-
drivers/clk/ti/apll.c | 8 +-
drivers/clk/ti/clk-2xxx.c | 8 +-
drivers/clk/ti/clk-33xx.c | 18 +-
drivers/clk/ti/clk-3xxx.c | 8 +-
drivers/clk/ti/clk-43xx.c | 8 +-
drivers/clk/ti/clk-44xx.c | 16 +-
drivers/clk/ti/clk-54xx.c | 25 +-
drivers/clk/ti/clk-7xx.c | 16 +-
drivers/clk/ti/clk-dra7-atl.c | 6 +-
drivers/clk/ti/clk.c | 2 +-
drivers/clk/ti/clockdomain.c | 4 +-
drivers/clk/ti/composite.c | 2 +-
drivers/clk/ti/divider.c | 6 +-
drivers/clk/ti/dpll.c | 8 +-
drivers/clk/ti/fixed-factor.c | 2 +-
drivers/clk/ti/gate.c | 2 +-
drivers/clk/ti/interface.c | 2 +-
drivers/clk/ti/mux.c | 6 +-
drivers/clk/ux500/abx500-clk.c | 2 +-
drivers/clk/ux500/clk-prcc.c | 8 +-
drivers/clk/ux500/clk-prcmu.c | 16 +-
drivers/clk/ux500/clk-sysctrl.c | 10 +-
drivers/clk/ux500/clk.h | 22 +-
drivers/clk/ux500/u8500_clk.c | 2 +-
drivers/clk/ux500/u8500_of_clk.c | 12 +-
drivers/clk/ux500/u8540_clk.c | 2 +-
drivers/clk/versatile/clk-icst.c | 4 +-
drivers/clk/versatile/clk-icst.h | 2 +-
drivers/clk/versatile/clk-impd1.c | 18 +-
drivers/clk/versatile/clk-integrator.c | 2 +-
drivers/clk/versatile/clk-realview.c | 2 +-
drivers/clk/versatile/clk-sp810.c | 30 +-
drivers/clk/versatile/clk-vexpress-osc.c | 2 +-
drivers/clk/versatile/clk-vexpress.c | 6 +-
drivers/clk/x86/clk-lpt.c | 2 +-
drivers/clk/zynq/clkc.c | 22 +-
drivers/clk/zynq/pll.c | 4 +-
drivers/media/platform/exynos4-is/media-dev.c | 17 +-
drivers/media/platform/exynos4-is/media-dev.h | 6 +-
include/linux/clk-private.h | 43 +-
include/linux/clk-provider.h | 131 +++--
include/linux/clk.h | 39 +-
include/linux/clk/ti.h | 10 +-
include/linux/clk/zynq.h | 3 +-
include/linux/clkdev.h | 24 +-
include/linux/platform_data/si5351.h | 4 +-
189 files changed, 1453 insertions(+), 1057 deletions(-)

--
1.9.3



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