linux/drivers/clk/qcom
Stephen Boyd 5e4b7e82d4 clk: qcom: gcc-sdm845: Use floor ops for sdcc clks
Some MMC cards fail to enumerate properly when inserted into an MMC slot
on sdm845 devices. This is because the clk ops for qcom clks round the
frequency up to the nearest rate instead of down to the nearest rate.
For example, the MMC driver requests a frequency of 52MHz from
clk_set_rate() but the qcom implementation for these clks rounds 52MHz
up to the next supported frequency of 100MHz. The MMC driver could be
modified to request clk rate ranges but for now we can fix this in the
clk driver by changing the rounding policy for this clk to be round down
instead of round up.

Fixes: 06391eddb6 ("clk: qcom: Add Global Clock controller (GCC) driver for SDM845")
Reported-by: Douglas Anderson <dianders@chromium.org>
Cc: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lkml.kernel.org/r/20190830195142.103564-1-swboyd@chromium.org
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2019-09-09 04:38:20 -07:00
..
a53-pll.c clk: qcom: Add A53 PLL support 2018-01-02 10:00:24 -08:00
apcs-msm8916.c clk: apcs-msm8916: simplify probe cleanup by using devm 2018-12-05 09:22:33 -08:00
camcc-sdm845.c clk: qcom: Add camera clock controller driver for SDM845 2018-08-30 18:27:06 -07:00
clk-alpha-pll.c clk: qcom: clk-alpha-pll: Add support for Trion PLLs 2019-08-07 15:12:05 -07:00
clk-alpha-pll.h clk: qcom: clk-alpha-pll: Add support for Trion PLLs 2019-08-07 15:12:05 -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-hfpll.c clk: qcom: Add support for High-Frequency PLLs (HFPLLs) 2018-10-17 13:14:37 -07:00
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-rcg2.c clk: qcom: clk-rcg2: Introduce a cfg offset for RCGs 2019-02-21 14:18:12 -08:00
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: clk-rcg2: Introduce a cfg offset for RCGs 2019-02-21 14:18:12 -08:00
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 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
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: Update SPDX headers for common files 2018-07-25 09:23:33 -07:00
clk-regmap.h clk: qcom: Update SPDX headers for common files 2018-07-25 09:23:33 -07:00
clk-rpm.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
clk-rpmh.c clk: qcom: clk-rpmh: Add IPA clock support 2019-02-21 13:57:55 -08:00
clk-smd-rpm.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
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: define probe by index API as common API 2019-08-08 08:20:01 -07:00
common.h clk: qcom: define probe by index API as common API 2019-08-08 08:20:01 -07:00
dispcc-sdm845.c clk: qcom: Add display clock controller driver for SDM845 2018-08-01 08:08:12 -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 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
gcc-ipq4019.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
gcc-ipq8074.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
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 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
gcc-msm8960.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
gcc-msm8974.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
gcc-msm8994.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
gcc-msm8996.c This round of clk driver and framework updates is heavy on the driver update 2019-07-17 10:07:48 -07:00
gcc-msm8998.c clk: qcom: Skip halt checks on gcc_pcie_0_pipe_clk for 8998 2019-04-11 13:37:42 -07:00
gcc-qcs404.c clk: qcom: Add WCSS gcc clock control for QCS404 2019-08-08 08:10:05 -07:00
gcc-sdm660.c clk: qcom: Make common clk_hw registrations 2019-02-22 00:06:57 -08:00
gcc-sdm845.c clk: qcom: gcc-sdm845: Use floor ops for sdcc clks 2019-09-09 04:38:20 -07:00
gcc-sm8150.c clk: qcom: gcc: Add global clock controller driver for SM8150 2019-08-07 15:12:05 -07:00
gdsc.c This round of clk driver and framework updates is heavy on the driver update 2019-07-17 10:07:48 -07:00
gdsc.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
gpucc-sdm845.c clk: qcom: gpu_cc_gmu_clk_src has 5 parents, not 6 2018-11-28 13:24:45 -08:00
hfpll.c clk: qcom: Add HFPLL driver 2018-10-17 13:14:40 -07:00
Kconfig clk: qcom: msm8916: Don't build by default 2019-08-07 21:29:48 -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
lpasscc-sdm845.c clk: qcom: define probe by index API as common API 2019-08-08 08:20:01 -07:00
Makefile clk: qcom: gcc: Add global clock controller driver for SM8150 2019-08-07 15:12:05 -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 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
mmcc-msm8996.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
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: Add QCS404 TuringCC 2019-04-11 13:35:48 -07:00
videocc-sdm845.c clk: qcom: Move frequency table macro to common file 2018-07-06 16:45:51 -07:00