| Commit message (Collapse) | Author | Age | Files | Lines |
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Register, shift and mask were wrong according to datasheet.
Fixes: 115510053e5e ("clk: rockchip: add clock controller for the RK3399")
Cc: stable@vger.kernel.org
Signed-off-by: Alberto Panizzo <alberto@amarulasolutions.com>
Signed-off-by: Anthony Brandon <anthony@amarulasolutions.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Add the clock tree definition for the new px30 SoC.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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The new Rockchip socs have optional half divider:
The formula is shown as:
freq_out = 2*freq_in / (2*div + 3)
Is this the same for all of new SoCs.
So we use "branch_half_divider" + "COMPOSITE_NOMUX_HALFDIV \
DIV_HALF \ COMPOSITE_HALFDIV \ CMPOSITE_NOGATE_HALFDIV"
to hook that special divider clock-type into our clock-tree.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Clock framework will enable those clocks registered
with CLK_IS_CRITICAL flag, so no need to have
clks_init_on array during clock initialization now.
ARM clock is busy divider type which has the
CLK_IS_CRITICAL flag set by default when registered.
IPG clock has no clock gate and its parent AHB clock
is busy divider type, so no need to add CLK_IS_CRITICAL
flag for IPG clock.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Clock framework will enable those clocks registered
with CLK_IS_CRITICAL flag, so no need to have
clks_init_on array during clock initialization now.
ARM clock is busy divider type which has the
CLK_IS_CRITICAL flag set by default when registered.
IPG clock has no clock gate and its parent AHB clock
is busy divider type, so no need to add CLK_IS_CRITICAL
flag for IPG clock.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Clock framework will enable those clocks registered
with CLK_IS_CRITICAL flag, so no need to have
clks_init_on array during clock initialization now.
ARM clock is busy divider type which has the
CLK_IS_CRITICAL flag set by default when registered.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This clock is needed for iMX mailbox driver
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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GEN_CLK is able to route several internal clocks to one of the SoC
pads. In the future, even more clocks could be made accessible using
cts_msr_clk - the clock measure block.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
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HHI_GEN_CLK_CTNL is defined twice, just remove the duplicate definition
Fixes: 738f66d3211d ("clk: gxbb: add AmLogic GXBB clk controller driver")
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
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Adding clocks for the pcie driver. Due to the ASIC design,
the pcie controller re-use part of the mipi clock logic,
so the mipi clock is also added.
Tested-by: Jianxin Qin <jianxin.qin@amlogic.com>
Signed-off-by: Yixun Lan <yixun.lan@amlogic.com>
[amended to remove unnecessary locales]
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
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clk-audio-divider is no longer used, we can remove it.
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
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It is actually a lot easier to setup the PLL with carefully chosen rates
than relying on CCF clock propagation for this audio use case.
This way, we can make sure we will always be able to provide the common
audio clock rates, while having the PLL in the optimal operating range.
For this, we stop the rate propagation at the mux picking the
PLL and let it round to the closest matching PLL.
Doing so, we can use the generic divider for the i2s clock.
clk-audio-divider is no longer required. It was a (poor) attempt
to use CCF rate propagation while making sure the PLL rate would
be high enough to work with audio use cases.
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
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The axg audio clock controller is the clock generation unit for the
amlogic audio subsystem of A113 based SoCs. It may be clocked by 8
different plls provided by the primary clock controller and also by
10 slave bit clocks and 10 slave sample clocks which may be provided
by external components, such as audio codecs, through the SoC pads.
It contains several muxes, dividers and gates which are fed into the
the different devices of the audio subsystem.
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
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Add a driver to control the clock divider found in the sample clock
generator of the axg audio clock controller.
The sclk divider accumulates specific features which make the generic
divider unsuitable to control it:
- zero based divider (div = val + 1), but zero value gates the clock,
so minimum divider value is 2.
- lrclk variant may adjust the duty cycle depending the divider value
and the 'hi' value.
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
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Add a driver to control the output of the sample clock generator found
in the axg audio clock controller.
The goal of this driver is to coherently control the phase provided to
the different element using the sample clock generator. This simplify
the usage of the sample clock generator a lot, without comprising the
ability of the SoC.
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
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Add a driver based meson clk-regmap to control clock phase on
amlogic SoCs
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
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Clean the dependencies in meson clock Kconfig.
CLK_AMLOGIC should actually select CLK_REGMAP_MESON which it uses. Also,
each platform should select CLK_AMLOGIC, so everything is properly turned
on when the platform Kconfig enable each configuration flag
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
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The legacy method to access the hhi register space is not longer used.
We can safely drop it now.
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
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Adopt the SPDX license identifier headers to ease license compliance
management.
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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'clk-tegra-critical' and 'clk-tegra-emc-oob' into clk-next
* clk-imx-critical:
: - Convert to CLK_IS_CRITICAL for i.MX51/53 driver
clk: imx51-imx53: Include sizes.h to silence compile errors
clk: imx51-imx53: Annotate critical clocks as CLK_IS_CRITICAL
* clk-tegra-bpmp:
: - Fix Tegra BPMP driver oops when some xlating a NULL clk
clk: tegra: bpmp: Don't crash when a clock fails to register
* clk-tegra-124:
: - Proper default configuration for vic03 and vde clks on Tegra124
clk: tegra: Make vde a child of pll_c3
clk: tegra: Make vic03 a child of pll_c3
* clk-tegra-critical:
: - Mark Tegra memory controller clks as critical
clk: tegra: Mark Memory Controller clock as critical
* clk-tegra-emc-oob:
: - Fix array bounds clamp in Tegra's emc determine_rate() op
clk: tegra: emc: Avoid out-of-bounds bug
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Apparently there was an attempt to avoid out-of-bounds accesses when there
is only one memory timing available, but there is a typo in the code that
neglects that attempt.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Memory Controller should be always-on. Currently the sibling EMC clock is
marked as critical, let's mark MC clock too for consistency.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-By: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The current default is to leave the VDE clock's parent at the default,
which is clk_m. However, that is not a configuration that will allow the
VDE to function. Reparent it to pll_c3 instead to make sure the hardware
can actually decode video content.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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By default, the vic03 clock is a child of pll_m but that runs at 924 MHz
which is too fast for VIC. Make vic03 a child of pll_c3 by default so it
will run at a supported frequency.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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When registering clocks, we just skip any that fail to register
(leaving a NULL hole in the clock table). However, our of_xlate
function still tries to dereference each entry while looking for
the clock with the requested id, causing a crash if any clocks
failed to register. Add a check to of_xlate to skip any NULL
clocks.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This driver uses sizes.h, but relies on it being implicitly included
somewhere else breaking random direct compilation of the file. Include
sizes.h so we can build it those configurations too for better compile
coverage.
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Instead of explicitly enabling critical clocks via clk_prepare_enable(),
let's use the standard CLK_IS_CRITICAL flag instead, which makes the code
a bit shorter.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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'clk-aspeed' and 'clk-imx6sll-gpio' into clk-next
* clk-ingenic-fixes:
: - Ingenic i2s bit update and allow UDC clk to gate
clk: ingenic: Add missing flag for UDC clock
clk: ingenic: Fix incorrect data for the i2s clock
* clk-max9485:
: - Maxim 9485 Programmable Clock Generator
clk: Add driver for MAX9485
dts: clk: add devicetree bindings for MAX9485
* clk-pxa-32k-pll:
: - Expose 32 kHz PLL on PXA SoCs
clk: pxa: export 32kHz PLL
* clk-aspeed:
: - Fix name of aspeed SDC clk define to have only one 'CLK'
clk: aspeed: Fix SDCLK name
* clk-imx6sll-gpio:
: - imx6sll GPIO clk gate support
clk: imx6sll: add GPIO LPCGs
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According to Reference Manual Rev.0, 06/2017, there are GPIO LPCGs
defined in CCM CCGRs, add them into clock tree.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The SDCLK was named SDCLKCLK, and no one has used this yet.
Fix it.
Signed-off-by: Lei YU <mine260309@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This clock is especially used by the RTC driver, so export it so that
devicetree users can use it.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This patch adds a driver for MAX9485, a programmable audio clock generator.
The device requires a 27.000 MHz clock input. It can provide a gated
buffered output of its input clock and two gated outputs of a PLL that can
generate one out of 16 discrete frequencies. There is only one PLL however,
so the two gated outputs will always have the same frequency but they can
be switched individually.
The driver for this device exposes 4 clocks in total:
- MAX9485_MCLKOUT: A gated, buffered output of the input clock
- MAX9485_CLKOUT: A PLL that can be configured to 16 different
discrete frequencies
- MAX9485_CLKOUT[1,2]: Two gated outputs for MAX9485_CLKOUT
Some PLL output frequencies can be achieved with different register
settings. The driver will select the one with lowest jitter in such cases.
Signed-off-by: Daniel Mack <daniel@zonque.org>
[sboyd@kernel.org: Use local variable for val in max9485_clkout_recalc_rate()
and shorten line of max9485_of_clk_get()]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The UDC clock of the JZ4740 SoC can be gated, but the data structure
representing it was missing the CGU_CLK_GATE flag to make it work.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The register field for configuring the divider for the i2s clock
occupies the bits [8-0], which means 9 bits and not 8.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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'clk-renesas', 'clk-stratix10-fixes' and 'clk-atmel-i2s' into clk-next
* clk-imx6-video-parent:
: - Fix i.MX6QDL video clk parent
clk: imx6: fix video_27m parent for IMX6QDL_CLK_CKO1_SEL
* clk-qcom-sdm845-criticals:
: - critical clk markings for qcom SDM845
clk: qcom: Enable clocks which needs to be always on for SDM845
* clk-renesas:
clk: renesas: Renesas R9A06G032 clock driver
dt-bindings: clock: renesas,r9a06g032-sysctrl: documentation
dt-bindings: clock: Add the r9a06g032-sysctrl.h file
clk: renesas: r8a7795: Add CCREE clock
clk: renesas: r8a7795: Add CR clock
* clk-stratix10-fixes:
: - Fix Stratix10 mpu_free_clk and sdmmc_free_clk parents
clk: socfpga: stratix10: fix the sdmmc_free_clk mux
clk: socfpga: stratix10: fix the parents of mpu_free_clk
* clk-atmel-i2s:
: - Atmel at91 I2S audio clk support
clk: at91: add I2S clock mux driver
dt-bindings: clk: at91: add an I2S mux clock
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This driver is a simple muxing driver that controls the
I2S's clock input by using syscon/regmap to change the parent.
The available inputs can be peripheral clock and generated clock.
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
[sboyd@kernel.org: Fix SPDX tag comment style]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The first parent of the sdmmc_free_clk should be the main_sdmmc_clk.
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add a clock mux that is used as a parent for the mpu_free_clk.
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This provides a clock driver for the Renesas R09A06G032.
This uses a structure derived from both the R-Car Gen2 driver as well as
the renesas-cpg-mssr driver.
Signed-off-by: Michel Pollet <michel.pollet@bp.renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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This patch adds the clock used by the CryptoCell 630p instance in the
SoC.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add the CR core clock, which is used by the Secure Engine (SCEG).
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Tested-by: Gilad Ben-Yossef <gilad@benyossef.com>
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There are certain clocks which needs to be always enabled for system
operation. Add support for the same by adding 'CLK_IS_CRITICAL' flag
for such clocks.
Signed-off-by: Amit Nischal <anischal@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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q/dl datasheets list the 5th selection value for ck01_sel as
video_27M_clk_root.
By replacing the dummy value we then can set IMX6QDL_CLK_VIDEO_27M
as parent for IMX6QDL_CLK_CKO1_SEL.
Signed-off-by: Philipp Puschmann <pp@emlix.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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'clk-core-duty-cycle', 'clk-si-prepare' and 'clk-imx-gpio-gates' into clk-next
* clk-qcom-set-rate-gate:
clk: qcom: drop CLK_SET_RATE_GATE from sdc clocks
* clk-core-set-rate-gate:
clk: fix CLK_SET_RATE_GATE with clock rate protection
* clk-core-duty-cycle:
clk: add duty cycle support
* clk-si-prepare:
: - SI544/SI514 clk on/off support
clk-si514, clk-si544: Implement prepare/unprepare/is_prepared operations
* clk-imx-gpio-gates:
: - i.MX6UL GPIO clock gates in CCM CCGR
clk: imx6ul: remove clks_init_on array
clk: imx6ul: add GPIO clock gates
dt-bindings: clock: imx6ul: Do not change the clock definition order
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Clock framework will enable those clocks registered
with CLK_IS_CRITICAL flag, so no need to have
clks_init_on array during clock initialization now.
ARM clock is busy divider type which has the
CLK_IS_CRITICAL flag set by default when registered.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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i.MX6UL has GPIO clock gates in CCM CCGR,
add them into clock tree for clock management.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This adds prepare/unprepare/is_prepared functionality to the drivers for
the SI544 and SI514 chips, allowing the clock output to be disabled when
the clock is not in use.
Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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CLK_SET_RATE_GATE should prevent any operation which may result in a rate
change or glitch while the clock is prepared/enabled.
IOW, the following sequence is not allowed anymore with CLK_SET_RATE_GATE:
* clk_get()
* clk_prepare_enable()
* clk_get_rate()
* clk_set_rate()
At the moment this is enforced on the leaf clock of the operation, not
along the tree. This problematic because, if a PLL has the CLK_RATE_GATE,
it won't be enforced if the clk_set_rate() is called on its child clocks.
Using clock rate protection, we can now enforce CLK_SET_RATE_GATE along the
clock tree
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Quentin Schulz <quentin.schulz@free-electrons.com>
Tested-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20180619134051.16726-3-jbrunet@baylibre.com
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the mmci driver (drivers/mmc/host/mmci.c) does the following sequence:
* clk_prepare_enable()
* clk_set_rate()
on SDCx_clk which is a children of SDCx_src. SDCx_src has
CLK_SET_RATE_GATE so this sequence should not be allowed but this was not
enforced. IOW, the flag is ignored. Dropping the flag won't change
anything to the current behaviour of the platform.
CLK_SET_RATE_GATE is being fixed and enforced now. If the flag was kept,
the mmci driver would receive -EBUSY when calling clk_set_rate()
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20180619134051.16726-2-jbrunet@baylibre.com
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