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path: root/drivers/clk/clk-composite.c
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2019-08-16clk: composite: Drop unused clk.h includeStephen Boyd1-1/+0
This include isn't used. Drop it. Signed-off-by: Stephen Boyd <sboyd@kernel.org> Link: https://lkml.kernel.org/r/20190815042500.9519-1-sboyd@kernel.org
2019-04-26clk: Remove CLK_IS_BASIC clk flagStephen Boyd1-1/+1
This flag was historically used to indicate that a clk is a "basic" type of clk like a mux, divider, gate, etc. This never turned out to be very useful though because it was hard to cleanly split "basic" clks from other clks in a system. This one flag was a way for type introspection and it just didn't scale. If anything, it was used by the TI clk driver to indicate that a clk_hw wasn't contained in the SoC specific clk structure. We can get rid of this define now that TI is finding those clks a different way. Cc: Tero Kristo <t-kristo@ti.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Burton <paul.burton@mips.com> Cc: James Hogan <jhogan@kernel.org> Cc: <linux-mips@vger.kernel.org> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Kevin Hilman <khilman@baylibre.com> Cc: <linux-pwm@vger.kernel.org> Cc: <linux-amlogic@lists.infradead.org> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-12-11clk: Tag basic clk types with SPDXStephen Boyd1-12/+1
These are all GPL-2.0 files per the existing license text. Replace the boiler plate with the tag. Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2016-04-22Merge branch 'clk-hw-register' (early part) into clk-nextStephen Boyd1-12/+33
* 'clk-hw-register' (early part): clk: fixed-rate: Add hw based registration APIs clk: gpio: Add hw based registration APIs clk: composite: Add hw based registration APIs clk: fractional-divider: Add hw based registration APIs clk: fixed-factor: Add hw based registration APIs clk: mux: Add hw based registration APIs clk: gate: Add hw based registration APIs clk: divider: Add hw based registration APIs clkdev: Add clk_hw based registration APIs clk: Add clk_hw OF clk providers clk: Add {devm_}clk_hw_{register,unregister}() APIs clkdev: Remove clk_register_clkdevs()
2016-04-22Merge branch 'clk-composite-unregister' into clk-nextStephen Boyd1-0/+15
* clk-composite-unregister: clk: composite: Add unregister function
2016-04-22clk: composite: Add unregister functionMaxime Ripard1-0/+15
The composite clock didn't have any unregistration function, which forced us to use clk_unregister directly on it. While it was already not great from an API point of view, it also meant that we were leaking the clk_composite structure allocated in clk_register_composite. Add a clk_unregister_composite function to fix this. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-04-20clk: composite: Add hw based registration APIsStephen Boyd1-12/+33
Add registration APIs in the clk composite code to return struct clk_hw pointers instead of struct clk pointers. This way we hide the struct clk pointer from providers unless they need to use consumer facing APIs. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-04-16clk: Add clk_composite_set_rate_and_parentFinley Xiao1-0/+33
When changing the clock-rate, currently a new parent is set first and a divider adapted thereafter. This may result in the clock-rate overflowing its target rate for a short time if the new parent has a higher rate than the old parent. While this often doesn't produce negative effects, it can affect components in a voltage-scaling environment, like the GPU on the rk3399 socs, where the voltage than simply is to low for the temporarily to high clock rate. For general clock hirarchies this may need more extensive adaptions to the common clock-framework, but at least for composite clocks having both parent and rate settings it is easy to create a short-term solution to make sure the clock-rate does not overflow the target. Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-01-29clk: move the common clock's to_clk_*(_hw) macros to clk-provider.hGeliang Tang1-2/+0
to_clk_*(_hw) macros have been repeatedly defined in many places. This patch moves all the to_clk_*(_hw) definitions in the common clock framework to public header clk-provider.h, and drop the local definitions. Signed-off-by: Geliang Tang <geliangtang@163.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-08-25clk: Convert basic types to clk_hw based provider APIsStephen Boyd1-7/+7
We're removing struct clk from the clk provider API, so switch this code to using the clk_hw based provider APIs. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-08-25clk: Convert __clk_get_flags() to clk_hw_get_flags()Stephen Boyd1-1/+1
Mostly converted with the following snippet: @@ struct clk_hw *E; @@ -__clk_get_flags(E->clk) +clk_hw_get_flags(E) Acked-by: Tero Kristo <t-kristo@ti.com> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Cc: Daniel Thompson <daniel.thompson@linaro.org> Cc: Coquelin <mcoquelin.stm32@gmail.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-08-25clk: Replace __clk_get_num_parents with clk_hw_get_num_parents()Stephen Boyd1-1/+1
Mostly converted with the following semantic patch: @@ struct clk_hw *E; @@ -__clk_get_num_parents(E->clk) +clk_hw_get_num_parents(E) Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com> Cc: Chao Xie <chao.xie@marvell.com> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com> Cc: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Cc: Tomasz Figa <tomasz.figa@gmail.com> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: "Emilio López" <emilio@elopez.com.ar> Acked-by: Tero Kristo <t-kristo@ti.com> Cc: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-07-28clk: fix some determine_rate implementationsBoris Brezillon1-2/+1
Some determine_rate implementations are not returning an error when they failed to adapt the rate according to the rate request. Fix them so that they return an error instead of silently returning 0. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> CC: Jonathan Corbet <corbet@lwn.net> CC: Tony Lindgren <tony@atomide.com> CC: Ralf Baechle <ralf@linux-mips.org> CC: "Emilio López" <emilio@elopez.com.ar> CC: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: Tero Kristo <t-kristo@ti.com> CC: Peter De Schrijver <pdeschrijver@nvidia.com> CC: Prashant Gaikwad <pgaikwad@nvidia.com> CC: Stephen Warren <swarren@wwwdotorg.org> CC: Thierry Reding <thierry.reding@gmail.com> CC: Alexandre Courbot <gnurou@gmail.com> CC: linux-doc@vger.kernel.org CC: linux-kernel@vger.kernel.org CC: linux-arm-kernel@lists.infradead.org CC: linux-omap@vger.kernel.org CC: linux-mips@linux-mips.org CC: linux-tegra@vger.kernel.org Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-07-28clk: change clk_ops' ->determine_rate() prototypeBoris Brezillon1-24/+24
Clock rates are stored in an unsigned long field, but ->determine_rate() (which returns a rounded rate from a requested one) returns a long value (errors are reported using negative error codes), which can lead to long overflow if the clock rate exceed 2Ghz. Change ->determine_rate() prototype to return 0 or an error code, and pass a pointer to a clk_rate_request structure containing the expected target rate and the rate constraints imposed by clk users. The clk_rate_request structure might be extended in the future to contain other kind of constraints like the rounding policy, the maximum clock inaccuracy or other things that are not yet supported by the CCF (power consumption constraints ?). Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> CC: Jonathan Corbet <corbet@lwn.net> CC: Tony Lindgren <tony@atomide.com> CC: Ralf Baechle <ralf@linux-mips.org> CC: "Emilio López" <emilio@elopez.com.ar> CC: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Tero Kristo <t-kristo@ti.com> CC: Peter De Schrijver <pdeschrijver@nvidia.com> CC: Prashant Gaikwad <pgaikwad@nvidia.com> CC: Stephen Warren <swarren@wwwdotorg.org> CC: Thierry Reding <thierry.reding@gmail.com> CC: Alexandre Courbot <gnurou@gmail.com> CC: linux-doc@vger.kernel.org CC: linux-kernel@vger.kernel.org CC: linux-arm-kernel@lists.infradead.org CC: linux-omap@vger.kernel.org CC: linux-mips@linux-mips.org CC: linux-tegra@vger.kernel.org [sboyd@codeaurora.org: Fix parent dereference problem in __clk_determine_rate()] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Tested-by: Romain Perier <romain.perier@gmail.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> [sboyd@codeaurora.org: Folded in fix from Heiko for fixed-rate clocks without parents or a rate determining op] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-15clk: basic-types: Remove useless allocation failure printksStephen Boyd1-3/+1
Printing an error on kmalloc() failures is unnecessary. Remove the print and use *ptr in sizeof() for future-proof code. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-06clk: make strings in parent name arrays constSascha Hauer1-1/+1
The clk functions and structs declare the parent_name arrays as 'const char **parent_names' which means the parent name strings are const, but the array itself is not. Use 'const char * const * parent_names' instead which also makes the array const. This allows us to put the parent_name arrays into the __initconst section. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> [sboyd@codeaurora.org: Squelch 80-character checkpatch warnings] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-02-18clk: Replace explicit clk assignment with __clk_hw_set_clkJavier Martinez Canillas1-10/+10
The change in the clk API to return a per-user clock instance, moved the clock state to struct clk_core so now the struct clk_hw .core field is used instead of .clk for most operations. So for hardware clocks that needs to share the same clock state, both the .core and .clk pointers have to be assigned but currently only the .clk is set. This leads to NULL pointer dereference when the operations try to access the hw clock .core. For example, the composite clock rate and mux components didn't have a .core set which leads to this error: Unable to handle kernel NULL pointer dereference at virtual address 00000034 pgd = c0004000 [00000034] *pgd=00000000 Internal error: Oops: 5 [#1] PREEMPT SMP ARM Modules linked in: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.19.0-next-20150211-00002-g1fb7f0e1150d #423 Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) task: ee480000 ti: ee488000 task.ti: ee488000 PC is at clk_mux_determine_rate_flags+0x14/0x19c LR is at __clk_mux_determine_rate+0x24/0x2c pc : [<c03a355c>] lr : [<c03a3734>] psr: a0000113 sp : ee489ce8 ip : ee489d84 fp : ee489d84 r10: 0000005c r9 : 00000001 r8 : 016e3600 r7 : 00000000 r6 : 00000000 r5 : ee442200 r4 : ee440c98 r3 : ffffffff r2 : 00000000 r1 : 016e3600 r0 : ee440c98 Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel Control: 10c5387d Table: 4000406a DAC: 00000015 Process swapper/0 (pid: 1, stack limit = 0xee488210) Stack: (0xee489ce8 to 0xee48a000) 9ce0: 00000000 ffffffff 60000113 ee440c98 ee442200 00000000 9d00: 016e3600 ffffffff 00000001 0000005c ee489d84 c03a3734 ee489d80 ee489d84 9d20: 00000000 c048b130 00000400 c03a5798 ee489d80 ee489d84 c0607f60 ffffffea 9d40: 00000001 00000001 ee489d5c c003f844 c06e3340 ee402680 ee440d0c ed935000 9d60: 016e3600 00000003 00000001 0000005c eded3700 c03a11a0 ee489d80 ee489d84 9d80: 016e3600 ee402680 c05b413a eddc9900 016e3600 c03a1228 00000000 ffffffff 9da0: ffffffff eddc9900 016e3600 c03a1c1c ffffffff 016e3600 ed8c6710 c03d6ce4 9dc0: eded3400 00000000 00000000 c03c797c 00000001 0000005c eded3700 eded3700 9de0: 000005e0 00000001 0000005c c03db8ac c06e7e54 c03c8f08 00000000 c06e7e64 9e00: c06b6e74 c06e7f64 000005e0 c06e7df8 c06e5100 00000000 c06e7e6c c06e7f54 9e20: 00000000 00000000 eebd9550 00000000 c06e7da0 c06e7e54 ee7b5010 c06e7da0 9e40: eddc9690 c06e7db4 c06b6e74 00000097 00000000 c03d4398 00000000 ee7b5010 9e60: eebd9550 c06e7da0 00000000 c03db824 ee7b5010 fffffffe c06e7db4 c0299c7c 9e80: ee7b5010 c072a05c 00000000 c0298858 ee7b5010 c06e7db4 ee7b5044 00000000 9ea0: eddc9580 c0298a04 c06e7db4 00000000 c0298978 c02971d4 ee405c78 ee732b40 9ec0: c06e7db4 eded3800 c06d6738 c0298044 c0608300 c06e7db4 00000000 c06e7db4 9ee0: 00000000 c06beb58 c06beb58 c0299024 00000000 c068dd00 00000000 c0008944 9f00: 00000038 c049013c ee462200 c0711920 ee480000 60000113 c06c2cb0 00000000 9f20: 00000000 c06c2cb0 60000113 00000000 ef7fcafc 00000000 c0640194 c00389ec 9f40: c05ec3a8 c063f824 00000006 00000006 c06c2c50 c0696444 00000006 c0696424 9f60: c06ee1c0 c066b588 c06b6e74 00000097 00000000 c066bd44 00000006 00000006 9f80: c066b588 c003d684 00000000 c0481938 00000000 00000000 00000000 00000000 9fa0: 00000000 c0481940 00000000 c000e680 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000 [<c03a355c>] (clk_mux_determine_rate_flags) from [<c03a3734>] (__clk_mux_determine_rate+0x24/0x2c) [<c03a3734>] (__clk_mux_determine_rate) from [<c03a5798>] (clk_composite_determine_rate+0xbc/0x238) [<c03a5798>] (clk_composite_determine_rate) from [<c03a11a0>] (clk_core_round_rate_nolock+0x5c/0x9c) [<c03a11a0>] (clk_core_round_rate_nolock) from [<c03a1228>] (__clk_round_rate+0x38/0x40) [<c03a1228>] (__clk_round_rate) from [<c03a1c1c>] (clk_round_rate+0x20/0x38) [<c03a1c1c>] (clk_round_rate) from [<c03d6ce4>] (max98090_dai_set_sysclk+0x34/0x118) [<c03d6ce4>] (max98090_dai_set_sysclk) from [<c03c797c>] (snd_soc_dai_set_sysclk+0x38/0x80) [<c03c797c>] (snd_soc_dai_set_sysclk) from [<c03db8ac>] (snow_late_probe+0x24/0x48) [<c03db8ac>] (snow_late_probe) from [<c03c8f08>] (snd_soc_register_card+0xf04/0x1070) [<c03c8f08>] (snd_soc_register_card) from [<c03d4398>] (devm_snd_soc_register_card+0x30/0x64) [<c03d4398>] (devm_snd_soc_register_card) from [<c03db824>] (snow_probe+0x68/0xcc) [<c03db824>] (snow_probe) from [<c0299c7c>] (platform_drv_probe+0x48/0x98) [<c0299c7c>] (platform_drv_probe) from [<c0298858>] (driver_probe_device+0x114/0x234) [<c0298858>] (driver_probe_device) from [<c0298a04>] (__driver_attach+0x8c/0x90) [<c0298a04>] (__driver_attach) from [<c02971d4>] (bus_for_each_dev+0x54/0x88) [<c02971d4>] (bus_for_each_dev) from [<c0298044>] (bus_add_driver+0xd8/0x1cc) [<c0298044>] (bus_add_driver) from [<c0299024>] (driver_register+0x78/0xf4) [<c0299024>] (driver_register) from [<c0008944>] (do_one_initcall+0x80/0x1d0) [<c0008944>] (do_one_initcall) from [<c066bd44>] (kernel_init_freeable+0x10c/0x1d8) [<c066bd44>] (kernel_init_freeable) from [<c0481940>] (kernel_init+0x8/0xe4) [<c0481940>] (kernel_init) from [<c000e680>] (ret_from_fork+0x14/0x34) Code: e24dd00c e5907000 e1a08001 e88d000c (e5970034) The changes were made using the following cocinelle semantic patch: @i@ @@ @depends on i@ identifier dst; @@ - dst->clk = hw->clk; + __clk_hw_set_clk(dst, hw); @depends on i@ identifier dst; @@ - dst->hw.clk = hw->clk; + __clk_hw_set_clk(&dst->hw, hw); Fixes: 035a61c314eb3 ("clk: Make clk API return per-user struct clk instances") Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-02-03clk: Add rate constraints to clocksTomeu Vizoso1-2/+7
Adds a way for clock consumers to set maximum and minimum rates. This can be used for thermal drivers to set minimum rates, or by misc. drivers to set maximum rates to assure a minimum performance level. Changes the signature of the determine_rate callback by adding the parameters min_rate and max_rate. Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> [sboyd@codeaurora.org: set req_rate in __clk_init] Signed-off-by: Michael Turquette <mturquette@linaro.org> [mturquette@linaro.org: min/max rate for sun6i_ahb1_clk_determine_rate migrated clk-private.h changes to clk.c]
2014-12-04clk: Change clk_ops->determine_rate to return a clk_hw as the best parentTomeu Vizoso1-4/+5
This is in preparation for clock providers to not have to deal with struct clk. Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Michael Turquette <mturquette@linaro.org>
2014-07-13clk: composite: improve rate_hw sanity check logicMike Turquette1-10/+16
The function pointer population and sanity checking logic got a bit ugly with the advent of the .determine_rate callback. Clean it up. Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-07-13clk: composite: allow read-only clocksHeiko Stübner1-6/+3
This allows readl-only composite clocks by making mux_ops->set_parent and divider_ops->round_rate/set_rate optional. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Acked-By: Max Schwarz <max.schwarz@online.de> Tested-By: Max Schwarz <max.schwarz@online.de> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-07-13clk: composite: support determine_rate using rate_ops->round_rate + ↵Boris BREZILLON1-1/+47
mux_ops->set_parent In case the rate_hw does not implement determine_rate, but only round_rate we fallback to best_parent selection if mux_hw is present and support reparenting. This also fixes a rate calculation problem when using the standard div and mux ops, as in this case currently only the mux->determine_rate is used in the composite rate calculation. So when for example the composite clock has two parents at 600 and 800MHz, the requested rate is 75MHz, which the divider could provide, without this change the rate would be set 600MHz ignoring the divider completely. This may be way out of spec for the component. Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> [heiko@sntech.de: fixed output return a rate instead of the diff] Acked-By: Max Schwarz <max.schwarz@online.de> Tested-By: Max Schwarz <max.schwarz@online.de> Tested-by: Gabriel Fernandez <gabriel.fernandez@linaro.org> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-15clk: composite: pass mux_hw into determine_rateMike Turquette1-1/+1
The composite clock's .determine_rate implementation can call the underyling .determine_rate callback corresponding to rate_hw or the underlying .determine_rate callback corresponding to mux_hw. In both cases we pass in rate_hw, which is wrong. Fixed by passing mux_hw into the correct callback. Reported-by: Lemon Dai <dailemon.gl@gmail.com> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2013-11-10clk: composite: .determine_rate supportEmilio López1-0/+28
This commit adds .determine_rate support to the composite clock. It will use the .determine_rate callback from the rate component if available, and fall back on the mux component otherwise. This allows composite clocks to enjoy the benefits of automatic clock reparenting. Signed-off-by: Emilio López <emilio@elopez.com.ar> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2013-04-12clk: composite: allow fixed rates & fixed dividersMike Turquette1-4/+13
The composite clock assumes that any clock implementing the .recalc_rate callback will also implement .round_rate and .set_rate. This is not always true; the basic fixed-rate clock will only implement .recalc_rate and a fixed-divider clock may choose to implement .recalc_rate and .round_rate but not .set_rate. Fix this by conditionally registering .round_rate and .set_rate callbacks based on the rate_ops passed in to clk_composite_register. Signed-off-by: Mike Turquette <mturquette@linaro.org> Cc: Prashant Gaikwad <pgaikwad@nvidia.com> Tested-by: Emilio López <emilio@elopez.com.ar> Cc: Gregory CLEMENT <gregory.clement@free-electrons.com>
2013-04-12clk: composite: rename 'div' references to 'rate'Mike Turquette1-20/+20
Rename all div_hw and div_ops related variables and functions to use rate_hw, rate_ops, etc. This is to make the rate-change portion of the composite clk implementation more generic. A patch following this one will allow for fixed-rate clocks to reuse this infrastructure. Signed-off-by: Mike Turquette <mturquette@linaro.org> Reviewed-by: Prashant Gaikwad <pgaikwad@nvidia.com> Tested-by: Emilio López <emilio@elopez.com.ar> Cc: Gregory CLEMENT <gregory.clement@free-electrons.com>
2013-03-26clk: Add composite clock typePrashant Gaikwad1-0/+201
Not all clocks are required to be decomposed into basic clock types but at the same time want to use the functionality provided by these basic clock types instead of duplicating. For example, Tegra SoC has ~100 clocks which can be decomposed into Mux -> Div -> Gate clock types making the clock count to ~300. Also, parent change operation can not be performed on gate clock which forces to use mux clock in driver if want to change the parent. Instead aggregate the basic clock types functionality into one clock and just use this clock for all operations. This clock type re-uses the functionality of basic clock types and not limited to basic clock types but any hardware-specific implementation. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> Signed-off-by: Mike Turquette <mturquette@linaro.org>
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