| Commit message (Collapse) | Author | Age | Files | Lines |
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The CPG/MSTP Clock Domain driver does not implement the
generic_pm_domain.power_{on,off}() callbacks, as the domain itself
cannot be powered down. Hence the domain should be marked as always-on
by setting the GENPD_FLAG_ALWAYS_ON flag, to prevent the core PM Domain
code from considering it for power-off, and doing unnessary processing.
This also gets rid of a boot warning when the Clock Domain contains an
IRQ-safe device, e.g. on RZ/A1:
sh_mtu2 fcff0000.timer: PM domain cpg_clocks will not be powered off
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
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Use the devm_platform_ioremap_resource() helper instead of open-coding
the same operation.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
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into clk-next
- Set clk_init_data pointer inside clk_hw to NULL after registration
* clk-init-destroy:
clk: Overwrite clk_hw::init with NULL during clk_register()
clk: sunxi: Don't call clk_hw_get_name() on a hw that isn't registered
clk: ti: Don't reference clk_init_data after registration
clk: qcom: Remove error prints from DFS registration
rtc: sun6i: Don't reference clk_init_data after registration
clk: zx296718: Don't reference clk_init_data after registration
clk: milbeaut: Don't reference clk_init_data after registration
clk: socfpga: deindent code to proper indentation
phy: ti: am654-serdes: Don't reference clk_init_data after registration
clk: sprd: Don't reference clk_init_data after registration
clk: socfpga: Don't reference clk_init_data after registration
clk: sirf: Don't reference clk_init_data after registration
clk: qcom: Don't reference clk_init_data after registration
clk: meson: axg-audio: Don't reference clk_init_data after registration
clk: lochnagar: Don't reference clk_init_data after registration
clk: actions: Don't reference clk_init_data after registration
* clk-doc:
clk: remove extra ---help--- tags in Kconfig
clk: add include guard to clk-conf.h
clk: Document of_parse_clkspec() some more
clk: Remove extraneous 'for' word in comments
* clk-imx: (32 commits)
clk: imx: imx8mn: fix pll mux bit
clk: imx: imx8mm: fix pll mux bit
clk: imx: clk-pll14xx: unbypass PLL by default
clk: imx: pll14xx: avoid glitch when set rate
clk: imx: imx8mn: fix audio pll setting
clk: imx8mn: Add necessary frequency support for ARM PLL table
clk: imx8mn: Add missing rate_count assignment for each PLL structure
clk: imx8mn: fix int pll clk gate
clk: imx8mn: Add GIC clock
clk: imx8mn: Fix incorrect parents
clk: imx8mm: Fix incorrect parents
clk: imx8mq: Fix sys3 pll references
clk: imx8mq: Unregister clks when of_clk_add_provider failed
clk: imx8mm: Unregister clks when of_clk_add_provider failed
clk: imx8mq: Mark AHB clock as critical
clk: imx8mn: Keep uart clocks on for early console
clk: imx: Remove unused function statement
clk: imx7ulp: Make sure earlycon's clock is enabled
clk: imx8mm: Switch to platform driver
clk: imx: imx8mm: fix audio pll setting
...
* clk-allwinner:
clk: sunxi-ng: h6: Allow I2S to change parent rate
clk: sunxi-ng: v3s: add Allwinner V3 support
clk: sunxi-ng: v3s: add missing clock slices for MMC2 module clocks
dt-bindings: clk: sunxi-ccu: add compatible string for V3 CCU
clk: sunxi-ng: v3s: add the missing PLL_DDR1
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I2S doesn't work if parent rate couldn't be change. Difference between
wanted and actual rate is too big.
Fix this by adding CLK_SET_RATE_PARENT flag to I2S clocks.
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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Allwinner V3 has the same main die with V3s, but with more pins wired.
There's a I2S bus on V3 that is not available on V3s.
Add the V3-only peripheral's clocks and reset to the V3s CCU driver,
bound to a new V3 compatible string. The driver name is not changed
because it's part of the device tree binding (the header file name).
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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The MMC2 clock slices are currently not defined in V3s CCU driver, which
makes MMC2 not working.
Fix this issue.
Fixes: d0f11d14b0bc ("clk: sunxi-ng: add support for V3s CCU")
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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The user manual of V3/V3s/S3 declares a PLL_DDR1, however it's forgot
when developing the V3s CCU driver.
Add back the missing PLL_DDR1.
Fixes: d0f11d14b0bc ("clk: sunxi-ng: add support for V3s CCU")
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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pll BYPASS bit should be kept inside pll driver for glitchless freq
setting following spec. If exposing the bit, that means pll driver and
clk driver has two paths to touch this bit, which is wrong.
So use EXT_BYPASS bit here.
And drop uneeded set parent, because EXT_BYPASS default is 0.
Suggested-by: Jacky Bai <ping.bai@nxp.com>
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lkml.kernel.org/r/1568043491-20680-5-git-send-email-peng.fan@nxp.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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pll BYPASS bit should be kept inside pll driver for glitchless freq
setting following spec. If exposing the bit, that means pll driver and
clk driver has two paths to touch this bit, which is wrong.
So use EXT_BYPASS bit here.
And drop uneeded set parent, because EXT_BYPASS default is 0.
Fixes: ba5625c3e272 ("clk: imx: Add clock driver support for imx8mm")
Suggested-by: Jacky Bai <ping.bai@nxp.com>
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lkml.kernel.org/r/1568043491-20680-4-git-send-email-peng.fan@nxp.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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When registering the PLL, unbypass the PLL.
The PLL has two bypass control bit, BYPASS and EXT_BYPASS.
we will expose EXT_BYPASS to clk driver for mux usage, and keep
BYPASS inside pll14xx usage. The PLL has a restriction that
when M/P change, need to RESET/BYPASS pll to avoid glitch, so
we could not expose BYPASS.
To make it easy for clk driver usage, unbypass PLL which does
not hurt current function.
Fixes: 8646d4dcc7fb ("clk: imx: Add PLLs driver for imx8mm soc")
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lkml.kernel.org/r/1568043491-20680-3-git-send-email-peng.fan@nxp.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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According to PLL1443XA and PLL1416X spec,
"When BYPASS is 0 and RESETB is changed from 0 to 1, FOUT starts to
output unstable clock until lock time passes. PLL1416X/PLL1443XA may
generate a glitch at FOUT."
So set BYPASS when RESETB is changed from 0 to 1 to avoid glitch.
In the end of set rate, BYPASS will be cleared.
When prepare clock, also need to take care to avoid glitch. So
we also follow Spec to set BYPASS before RESETB changed from 0 to 1.
And add a check if the RESETB is already 0, directly return 0;
Fixes: 8646d4dcc7fb ("clk: imx: Add PLLs driver for imx8mm soc")
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lkml.kernel.org/r/1568043491-20680-2-git-send-email-peng.fan@nxp.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The AUDIO PLL max support 650M, so the original clk settings violate
spec. This patch makes the output 786432000 -> 393216000,
and 722534400 -> 361267200 to aligned with NXP vendor kernel without any
impact on audio functionality and go within 650MHz PLL limit.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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i.MX8MN supports CPU running at 1.5GHz/1.4GHz/1.2GHz, add missing
frequency for ARM PLL table.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add .rate_count assignment which is necessary for searching required
PLL rate from the each PLL table.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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To Frac pll, the gate shift is 13, however to Int PLL the gate shift
is 11.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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This is enabled by default but if it's not explicitly defined and marked
as critical then its parent might get turned off.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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* Replace to audio_pll2_clk with audio_pll2_out
* Replace sys3_pll2_out with sys_pll3_out
* Replace sys1_pll_40m with sys_pll1_40m
* qspi parent[2] is sys_pll2_333m not sys_pll1_800m
Fixes: 96d6392b54db ("clk: imx: Add support for i.MX8MN clock driver")
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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* There is no video_pll2 on imx8mm, replace with dummy
* Replace reference to sys_pll3_clk with sys_pll3_out
* qspi parent[2] is sys_pll2_333m not sys_pll1_800m
Fixes: ba5625c3e272 ("clk: imx: Add clock driver support for imx8mm")
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The "sys3_pll2_out" CLK was removed in refactoring so all references
need to be updated to "sys3_pll_out"
Fixes: e9dda4af685f ("clk: imx: Refactor entire sccg pll clk")
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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When of_clk_add_provider failed, all clks should be unregistered.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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When of_clk_add_provider failed, all clks should be unregistered.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Initially, the TMU_ROOT clock was marked as critical, which automatically
made the AHB clock to stay always on. Since the TMU_ROOT clock is not
marked as critical anymore, following commit:
"clk: imx8mq: Remove CLK_IS_CRITICAL flag for IMX8MQ_CLK_TMU_ROOT"
all the clocks that derive from ipg_root clock (and implicitly ahb clock)
would also have to enable, along with their own gate, the AHB clock.
But considering that AHB is actually a bus that has to be always on, we mark
it as critical in the clock provider driver and then all the clocks that
derive from it can be controlled through the dedicated per IP gate which
follows after the ipg_root clock.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Tested-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Call imx_register_uart_clocks() API to keep uart clocks enabled
when earlyprintk or earlycon is active.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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imx_register_uart_clocks_hws() function is NOT implemented
at all, remove it.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Earlycon's clock could be disabled during kernel boot up,
if earlycon is enabled and its clock is gated, then kernel
boot up will fail. Make sure earlycon's clock is enabled
during kernel boot up.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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There is no strong reason for this to use CLK_OF_DECLARE instead
of being a platform driver. Plus, this will now be aligned with the
other i.MX8M clock drivers which are platform drivers.
In order to make the clock provider a platform driver
all the data and code needs to be outside of .init section.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The AUDIO PLL max support 650M, so the original clk settings violate
spec. This patch makes the output 786432000 -> 393216000,
and 722534400 -> 361267200 to aligned with NXP vendor kernel without any
impact on audio functionality and go within 650MHz PLL limit.
Cc: <stable@vger.kernel.org>
Fixes: ba5625c3e272 ("clk: imx: Add clock driver support for imx8mm")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Abel Vesa <abel.vesa@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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i.MX8MM's GPT1 clock mux option #5 should be sys_pll1_80m,
NOT sys_pll1_800m, correct it.
Fixes: ba5625c3e272 ("clk: imx: Add clock driver support for imx8mm")
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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i.MX8MM has no sys3_pll2_out clock, PWM3 clock's mux option #4
should be sys_pll3_out, sys3_pll2_out is a typo, fix it.
Fixes: ba5625c3e272 ("clk: imx: Add clock driver support for imx8mm")
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Now that the i.MX6 and i.MX7 clock drivers have been switched to clk_hw based,
we can remove the clk based API that is not used by any i.MX clock driver.
The following APIs are going away now:
- imx_clk_busy_divider
- imx_clk_busy_mux
- imx_clk_fixup_divider
- imx_clk_fixup_mux
- imx_clk_mux_ldb
- imx_clk_gate_dis_flags
- imx_clk_gate_flags
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Per latest imx8mq datasheet of CCM, the parent of usb1_ctrl_root_clk
and usb2_ctrl_root_clk is usb_bus.
Signed-off-by: Li Jun <jun.li@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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IMX8MQ_CLK_TMU_ROOT is ONLY used for thermal module, the driver
should manage this clock, so no need to have CLK_IS_CRITICAL flag
set.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Rename 'share_count_dcss' to 'share_count_disp', since the
DCSS module does not exist on imx8mm platform. So rename it
to avoid any unnecessary confusion.
Signed-off-by: Fancy Fang <chen.fang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Per latest imx8mm datasheet of CCM, the parent of usb1_ctrl_root_clk
should be usb_bus.
Signed-off-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Sometimes an extraneous "---help---" follows "help". That is probably a
copy&paste error stemming from their inconsistent use. Remove those.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Link: https://lkml.kernel.org/r/20190822093126.594013-1-lkundrak@v3.sk
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The return value of of_parse_clkspec() is peculiar. If the function is
called with a NULL argument for 'name' it will return -ENOENT, but if
it's called with a non-NULL argument for 'name' it will return -EINVAL.
This peculiarity is documented by commit 5c56dfe63b6e ("clk: Add comment
about __of_clk_get_by_name() error values").
Let's further document this function so that it's clear what the return
value is and how to use the arguments to parse clk specifiers.
Cc: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190826212042.48642-1-sboyd@kernel.org
Reviewed-by: Phil Edworthy <phil.edworthy@renesas.com>
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An extra 'for' word is grammatically incorrect in the comment
'verifying ops for multi-parent clks'. This commit removes
this extra for word.
Signed-off-by: Rishi Gupta <gupt21@gmail.com>
Link: https://lkml.kernel.org/r/1566023759-7880-1-git-send-email-gupt21@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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We don't want clk provider drivers to use the init structure after clk
registration time, but we leave a dangling reference to it by means of
clk_hw::init. Let's overwrite the member with NULL during clk_register()
so that this can't be used anymore after registration time.
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Doug Anderson <dianders@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190731193517.237136-10-sboyd@kernel.org
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
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The implementation of clk_hw_get_name() relies on the clk_core
associated with the clk_hw pointer existing. If of_clk_hw_register()
fails, there isn't a clk_core created yet, so calling clk_hw_get_name()
here fails. Extract the name first so we can print it later.
Fixes: 1d80c14248d6 ("clk: sunxi-ng: Add common infrastructure")
Cc: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.
Cc: Tero Kristo <t-kristo@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190815221249.53235-1-sboyd@kernel.org
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These aren't useful and they reference the init structure name. Let's
just drop them.
Cc: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190815160020.183334-5-sboyd@kernel.org
Acked-by: Taniya Das <tdas@codeaurora.org>
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A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.
Cc: Jun Nie <jun.nie@linaro.org>
Cc: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190815160020.183334-3-sboyd@kernel.org
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A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.
Cc: Sugaya Taichi <sugaya.taichi@socionext.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190815160020.183334-2-sboyd@kernel.org
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This code is indented oddly, causing checkpatch to complain. Indent it
properly.
Cc: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190814002402.18154-1-sboyd@kernel.org
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
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A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.
Cc: Chunyan Zhang <zhang.chunyan@linaro.org>
Cc: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190731193517.237136-8-sboyd@kernel.org
Acked-by: Baolin Wang <baolin.wang@linaro.org>
Acked-by: Chunyan Zhang <zhang.chunyan@linaro.org>
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A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.
Cc: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190731193517.237136-7-sboyd@kernel.org
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
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A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.
Cc: Guo Zeng <Guo.Zeng@csr.com>
Cc: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190731193517.237136-6-sboyd@kernel.org
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A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.
Cc: Taniya Das <tdas@codeaurora.org>
Cc: Andy Gross <agross@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190731193517.237136-5-sboyd@kernel.org
Acked-by: Taniya Das <tdas@codeaurora.org>
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A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190731193517.237136-4-sboyd@kernel.org
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
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A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.
Cc: Charles Keepax <ckeepax@opensource.cirrus.com>
Cc: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190731193517.237136-3-sboyd@kernel.org
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
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