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linux/drivers/clk/qcom
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Bjorn Andersson 06ece58874 clk: qcom: clk-alpha-pll: Don't reconfigure running Trion 
commit a1f0019c34 upstream.

In the event that the bootloader has configured the Trion PLL as source
for the display clocks, e.g. for the continuous splashscreen, then there
will also be RCGs that are clocked by this instance.

Reconfiguring, and in particular disabling the output of, the PLL will
cause issues for these downstream RCGs and has been shown to prevent
them from being re-parented.

Follow downstream and skip configuration if it's determined that the PLL
is already running.

Fixes: 59128c20a6 ("clk: qcom: clk-alpha-pll: Add support for controlling Lucid PLLs")
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20211123162508.153711-1-bjorn.andersson@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2021-12-14 10:57:17 +01:00
..
a7-pll.c clk: qcom: a7-pll: Add missing MODULE_DEVICE_TABLE 2021-04-09 11:20:52 -07:00
a53-pll.c clk: qcom: a53-pll: Add MSM8939 a53pll support 2021-08-05 18:52:11 -07:00
apcs-msm8916.c clk: qcom: a53pll/mux: Use unique clock name 2021-08-05 18:52:11 -07:00
apcs-sdx55.c clk: qcom: cleanup some dev_err_probe() calls 2021-06-01 16:34:02 -07:00
apss-ipq-pll.c clk: qcom: apss-ipq-pll: Add missing MODULE_DEVICE_TABLE 2021-04-09 11:20:53 -07:00
apss-ipq6018.c clk: qcom: Fix return value check in apss_ipq6018_probe() 2020-06-29 14:15:34 -07:00
camcc-sc7180.c clk: qcom: use devm_pm_runtime_enable and devm_pm_clk_create 2021-08-26 11:28:11 -07:00
camcc-sdm845.c clk: qcom: Add camera clock controller driver for SDM845 2018-08-30 18:27:06 -07:00
camcc-sm8250.c clk: qcom: Add camera clock controller driver for SM8250 2021-06-27 17:19:22 -07:00
clk-alpha-pll.c clk: qcom: clk-alpha-pll: Don't reconfigure running Trion 2021-12-14 10:57:17 +01:00
clk-alpha-pll.h clk: qcom: clk-alpha-pll: add support for zonda pll 2021-06-27 17:12:55 -07:00
clk-branch.c clk: qcom: branch: Add AON clock ops 2019-04-11 13:34:21 -07:00
clk-branch.h clk: qcom: branch: Add AON clock ops 2019-04-11 13:34:21 -07:00
clk-cpu-8996.c clk: qcom: msm8996: Make symbol 'cpu_msm8996_clks' static 2020-07-20 17:40:18 -07:00
clk-hfpll.c clk: let init callback return an error code 2019-12-23 18:53:13 -08:00
clk-hfpll.h clk: qcom: Add support for High-Frequency PLLs (HFPLLs) 2018-10-17 13:14:37 -07:00
clk-krait.c clk: qcom: Add safe switch hook for krait mux clocks 2018-10-17 13:15:05 -07:00
clk-krait.h clk: qcom: Add safe switch hook for krait mux clocks 2018-10-17 13:15:05 -07:00
clk-pll.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
clk-pll.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
clk-rcg.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
clk-rcg.h clk: qcom: rcg2: Stop hardcoding gfx3d pingpong parent numbers 2021-02-14 12:56:54 -08:00
clk-rcg2.c clk: qcom: clk-rcg2: Add support for duty-cycle for RCG 2021-05-25 20:36:21 -07:00
clk-regmap-divider.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
clk-regmap-divider.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
clk-regmap-mux-div.c clk: qcom: Add regmap mux-div clocks support 2018-01-02 10:00:24 -08:00
clk-regmap-mux-div.h clk: qcom: Use the correct style for SPDX License Identifier 2019-05-01 13:01:13 -07:00
clk-regmap-mux.c clk: qcom: regmap-mux: fix parent clock lookup 2021-12-14 10:57:14 +01:00
clk-regmap-mux.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
clk-regmap.c clk: qcom: clk-regmap: Provide missing description for 'devm_clk_register_regmap()'s dev param 2021-02-10 19:42:51 -08:00
clk-regmap.h clk: define to_clk_regmap() as inline function 2020-10-28 16:34:44 -07:00
clk-rpm.c clk: qcom: clk-rpm: Remove a bunch of superfluous code 2021-02-11 11:56:06 -08:00
clk-rpmh.c clk: qcom: rpmh: Add support for RPMH clocks on SM6350 2021-08-28 21:01:21 -07:00
clk-smd-rpm.c Nothing changed in the clk framework core this time around. We did get 2021-09-02 14:17:24 -07:00
clk-spmi-pmic-div.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
common.c clk: qcom: regmap-mux: fix parent clock lookup 2021-12-14 10:57:14 +01:00
common.h clk: qcom: regmap-mux: fix parent clock lookup 2021-12-14 10:57:14 +01:00
dispcc-sc7180.c clk: qcom: dispcc-sc7180: use parent_hws where possible 2021-04-07 17:22:53 -07:00
dispcc-sc7280.c clk: qcom: Add display clock controller driver for SC7280 2021-07-20 13:46:32 -07:00
dispcc-sdm845.c clk: qcom: dispcc-sdm845: get rid of the test clock 2021-04-07 17:22:53 -07:00
dispcc-sm8250.c clk: qcom: dispcc-sm8250: Add additional parent clocks for DP 2021-07-27 11:30:16 -07:00
gcc-apq8084.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
gcc-ipq806x.c ipq806x: gcc: add support for child probe 2020-07-21 00:10:21 -07:00
gcc-ipq4019.c clk: qcom: gcc-ipq4019: Remove unused variable 'ret' 2021-02-11 11:56:05 -08:00
gcc-ipq6018.c clk: qcom: Add ipq6018 Global Clock Controller support 2020-01-09 12:42:55 -08:00
gcc-ipq8074.c clk: qcom: ipq8074: make pcie0_rchng_clk_src static 2020-09-22 11:34:33 -07:00
gcc-mdm9607.c clk/qcom: Remove unused variables 2021-06-27 17:04:48 -07:00
gcc-mdm9615.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
gcc-msm8660.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
gcc-msm8916.c clk: qcom: msm8916: Fix the address location of pll->config_reg 2020-04-21 19:45:18 -07:00
gcc-msm8939.c clk: qcom: gcc-msm8939: remove defined but not used variables 2020-09-22 11:50:23 -07:00
gcc-msm8953.c clk: qcom: Add Global Clock Controller driver for MSM8953 2021-08-26 11:54:44 -07:00
gcc-msm8960.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
gcc-msm8974.c clk: qcom: gcc: Add support for Global Clock controller found on MSM8226 2021-06-27 17:00:50 -07:00
gcc-msm8994.c clk: qcom: gcc-msm8994: Add missing clocks, resets and GDSCs 2020-10-13 18:04:36 -07:00
gcc-msm8996.c clk: qcom: gcc-msm8996: Drop (again) gcc_aggre1_pnoc_ahb_clk 2021-11-25 09:48:32 +01:00
gcc-msm8998.c clk: qcom: gcc-msm8998: Fix Alpha PLL type for all GPLLs 2021-02-08 10:17:49 -08:00
gcc-qcs404.c clk: qcom: gcc: limit GPLL0_AO_OUT operating frequency 2019-12-18 22:07:52 -08:00
gcc-sc7180.c clk: qcom: gcc-sc7180: use ARRAY_SIZE instead of specifying num_parents 2021-04-07 17:25:50 -07:00
gcc-sc7280.c clk: qcom: gcc: Add support for a new frequency for SC7280 2021-06-27 16:46:11 -07:00
gcc-sc8180x.c clk: qcom: gcc-sc8180x: use ARRAY_SIZE instead of specifying num_parents 2021-04-07 17:25:52 -07:00
gcc-sdm660.c clk: qcom: gcc-sdm660: Replace usage of parent_names 2021-08-26 11:51:11 -07:00
gcc-sdm845.c clk: qcom: gcc-sdm845: get rid of the test clock 2021-04-09 12:01:22 -07:00
gcc-sdx55.c clk: qcom: gcc-sdx55: use parent_hws where possible 2021-04-07 17:22:54 -07:00
gcc-sm6115.c clk: qcom: gcc-sm6115: Fix offset for hlos1_vote_turing_mmu_tbu0_gdsc 2021-10-13 10:43:39 -07:00
gcc-sm6125.c clk: qcom: Add SM6125 (TRINKET) GCC driver 2021-06-27 16:53:29 -07:00
gcc-sm6350.c clk: qcom: gcc-sm6350: Remove unused variable 2021-09-03 11:14:18 -07:00
gcc-sm8150.c clk: qcom: gcc-sm8150: use ARRAY_SIZE instead of specifying num_parents 2021-04-07 17:25:52 -07:00
gcc-sm8250.c clk: qcom: gcc-sm8250: use ARRAY_SIZE instead of specifying num_parents 2021-04-07 17:25:52 -07:00
gcc-sm8350.c clk: qcom: gcc-sm8350: use ARRAY_SIZE instead of specifying num_parents 2021-04-07 17:25:53 -07:00
gdsc.c clk: qcom: gdsc: Ensure regulator init state matches GDSC state 2021-08-05 18:19:04 -07:00
gdsc.h clk: qcom: gdsc: Implement NO_RET_PERIPH flag 2021-02-14 12:56:54 -08:00
gpucc-msm8998.c clk: qcom: gpucc-msm8998: Allow fabia gpupll0 rate setting 2021-02-14 12:56:54 -08:00
gpucc-sc7180.c clk: qcom: gpucc-sc7180: drop unused enum entries 2021-04-07 17:22:51 -07:00
gpucc-sc7280.c clk: qcom: Add graphics clock controller driver for SC7280 2021-07-20 13:46:32 -07:00
gpucc-sdm660.c clk: qcom: Add SDM660 GPU Clock Controller (GPUCC) driver 2021-02-14 12:56:54 -08:00
gpucc-sdm845.c clk: qcom: gpucc-sdm845: get rid of the test clock 2021-04-07 17:22:53 -07:00
gpucc-sm8150.c clk: qcom: gpucc-sm8150: Add SC8180x support 2021-08-05 18:50:43 -07:00
gpucc-sm8250.c clk: qcom: gpucc-sm8250: use parent_hws where possible 2021-04-07 17:22:54 -07:00
hfpll.c clk: qcom: hfpll: use clk_parent_data to specify the parent 2019-12-18 22:07:52 -08:00
Kconfig clk: qcom: add select QCOM_GDSC for SM6350 2021-10-13 11:44:42 -07:00
kpss-xcc.c clk: qcom: Add KPSS ACC/GCC driver 2018-10-17 13:14:54 -07:00
krait-cc.c clk: qcom: Add safe switch hook for krait mux clocks 2018-10-17 13:15:05 -07:00
lcc-ipq806x.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
lcc-mdm9615.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
lcc-msm8960.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
lpass-gfm-sm8250.c clk: qcom: use devm_pm_runtime_enable and devm_pm_clk_create 2021-08-26 11:28:11 -07:00
lpasscc-sdm845.c clk: qcom: define probe by index API as common API 2019-08-08 08:20:01 -07:00
lpasscorecc-sc7180.c clk: qcom: use devm_pm_runtime_enable and devm_pm_clk_create 2021-08-26 11:28:11 -07:00
Makefile clk: qcom: Add SM6350 GCC driver 2021-08-29 00:20:05 -07:00
mmcc-apq8084.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
mmcc-msm8960.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
mmcc-msm8974.c clk: qcom: mmcc-msm8974: Remove unused static const tables 'mmcc_xo_mmpll0_1_2_gpll0{map}' 2021-02-11 11:56:06 -08:00
mmcc-msm8994.c clk: qcom: mmcc-msm8994: Add MSM8992 support 2021-08-26 11:58:17 -07:00
mmcc-msm8996.c clk: qcom: mmcc-msm8996: Migrate gfx3d clock to clk_rcg2_gfx3d 2021-02-14 12:56:54 -08:00
mmcc-msm8998.c clk: qcom: mmcc-msm8998: Set bimc_smmu_gdsc always on 2021-02-08 10:24:34 -08:00
mmcc-sdm660.c clk: qcom: Add SDM660 Multimedia Clock Controller (MMCC) driver 2021-02-14 12:56:54 -08:00
mss-sc7180.c clk: qcom: use devm_pm_runtime_enable and devm_pm_clk_create 2021-08-26 11:28:11 -07:00
q6sstop-qcs404.c clk: qcom: use devm_pm_runtime_enable and devm_pm_clk_create 2021-08-26 11:28:11 -07:00
reset.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
reset.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
turingcc-qcs404.c clk: qcom: use devm_pm_runtime_enable and devm_pm_clk_create 2021-08-26 11:28:11 -07:00
videocc-sc7180.c clk: qcom: videocc-sc7180: drop unused enum entries 2021-04-07 17:22:52 -07:00
videocc-sc7280.c clk: qcom: Add video clock controller driver for SC7280 2021-07-20 13:46:32 -07:00
videocc-sdm845.c clk: qcom: videocc-sdm845: get rid of the test clock 2021-04-07 17:22:53 -07:00
videocc-sm8150.c clk: qcom: videocc-sm8150: use parent_hws where possible 2021-04-07 17:22:54 -07:00
videocc-sm8250.c clk: qcom: videocc-sm8250: use parent_hws where possible 2021-04-07 17:22:54 -07:00