Bjorn Andersson 703db1f5da clk: qcom: rcg2: Cache CFG register updates for parked RCGs ... As GDSCs are turned on and off some associated clocks are momentarily enabled for house keeping purposes. For this, and similar, purposes the "shared RCGs" will park the RCG on a source clock which is known to be available. When the RCG is parked, a safe clock source will be selected and committed, then the original source would be written back and upon enable the change back to the unparked source would be committed. But starting with SM8350 this fails, as the value in CFG is committed by the GDSC handshake and without a ticking parent the GDSC enablement will time out. This becomes a concrete problem if the runtime supended state of a device includes disabling such rcg's parent clock. As the device attempts to power up the domain again the rcg will fail to enable and hence the GDSC enablement will fail, preventing the device from returning from the suspended state. This can be seen in e.g. the display stack during probe on SM8350. To avoid this problem, the software needs to ensure that the RCG is configured to a active parent clock while it is disabled. This is done by caching the CFG register content while the shared RCG is parked on this safe source. Writes to M, N and D registers are committed as they are requested. New helpers for get_parent() and recalc_rate() are extracted from their previous implementations and __clk_rcg2_configure() is modified to allow it to operate on the cached value. Fixes: 7ef6f11887 ("clk: qcom: Configure the RCGs to a safe source as needed") Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Stephen Boyd <sboyd@kernel.org> Link: https://lore.kernel.org/r/20220426212136.1543984-1-bjorn.andersson@linaro.org		2022-05-19 16:42:30 -05:00
..
actions	clk: actions: Make sentinel elements more obvious	2022-03-11 18:13:24 -08:00
analogbits	Merge branch 'akpm' (patches from Andrew)	2021-07-02 12:08:10 -07:00
at91	Merge branches 'clk-starfive', 'clk-ti', 'clk-terminate' and 'clk-cleanup' into clk-next	2022-03-29 10:19:10 -07:00
axis	clk: cleanup comments	2022-03-11 18:22:15 -08:00
axs10x
baikal-t1
bcm	Merge branches 'clk-range', 'clk-uniphier', 'clk-apple' and 'clk-qcom' into clk-next	2022-03-29 10:19:36 -07:00
berlin
davinci
h8300
hisilicon	Merge branches 'clk-starfive', 'clk-ti', 'clk-terminate' and 'clk-cleanup' into clk-next	2022-03-29 10:19:10 -07:00
imgtec
imx	clk: imx: Select MXC_CLK for i.MX93 clock driver	2022-03-15 14:44:46 -07:00
ingenic	clk: jz4725b: fix mmc0 clock gating	2022-02-17 17:05:07 -08:00
keystone
loongson1	clk: loongson1: Terminate clk_div_table with sentinel element	2022-03-11 18:13:24 -08:00
mediatek	clk: mediatek: Warn if clk IDs are duplicated	2022-02-17 12:12:25 -08:00
meson	clk: cleanup comments	2022-03-11 18:22:15 -08:00
microchip	clk: microchip: Add driver for Microchip PolarFire SoC	2022-03-11 19:31:52 -08:00
mmp	Merge branches 'clk-starfive', 'clk-ti', 'clk-terminate' and 'clk-cleanup' into clk-next	2022-03-29 10:19:10 -07:00
mstar
mvebu	clk: mvebu: use time_is_before_eq_jiffies() instead of open coding it	2022-02-17 14:06:12 -08:00
mxs
nxp	clk: nxp: Declare mux table parameter as const u32 *	2022-02-25 16:41:39 -08:00
pistachio	clk: pistachio: Declare mux table as const u32[]	2022-02-25 16:41:39 -08:00
pxa
qcom	clk: qcom: rcg2: Cache CFG register updates for parked RCGs	2022-05-19 16:42:30 -05:00
ralink	clk: ralink: make system controller node a reset provider	2022-02-15 17:06:37 +01:00
renesas	clk: renesas: r8a779f0: Add PFC clock	2022-02-22 09:51:20 +01:00
rockchip	clk: rockchip: re-add rational best approximation algorithm to the fractional divider	2022-02-24 00:07:16 +01:00
samsung	clk: samsung: fix missing Tesla FSD dependency on Exynos	2022-02-01 09:14:53 +01:00
sifive	clk: sifive: Move all stuff into SoCs header files from C files	2022-03-15 15:56:28 -07:00
socfpga	clk: cleanup comments	2022-03-11 18:22:15 -08:00
spear
sprd
st	clk: st: clkgen-mux: search reg within node or parent	2022-01-05 17:21:28 -08:00
starfive	clk: starfive: Add JH7100 audio clock driver	2022-03-10 18:17:33 -08:00
sunxi	clk: sunxi: sun8i-apb0: Make use of the helper function devm_platform_ioremap_resource()	2021-09-13 09:03:24 +02:00
sunxi-ng	clk: sunxi-ng: sun6i-rtc: include clk/sunxi-ng.h	2022-03-25 11:36:29 +01:00
tegra	clk: tegra: tegra124-emc: Fix missing put_device() call in emc_ensure_emc_driver	2022-03-11 19:22:18 -08:00
ti	Merge branches 'clk-starfive', 'clk-ti', 'clk-terminate' and 'clk-cleanup' into clk-next	2022-03-29 10:19:10 -07:00
uniphier	clk: uniphier: Fix fixed-rate initialization	2022-03-11 19:29:02 -08:00
ux500	clk: ux500: Add driver for the reset portions of PRCC	2021-10-26 18:06:05 -07:00
versatile	clk: versatile: clk-icst: use after free on error path	2021-12-07 12:25:29 -08:00
visconti	clk: visconti: prevent array overflow in visconti_clk_register_gates()	2022-03-17 12:21:28 -07:00
x86	clk: x86: Fix clk_gate_flags for RV_CLK_GATE	2022-01-06 17:57:53 -08:00
xilinx
zynq	clk: zynq: Update the parameters to zynq_clk_register_periph_clk	2022-03-29 10:17:49 -07:00
zynqmp	clk: zynqmp: replace warn_once with pr_debug for failed clock ops	2022-01-24 17:18:23 -08:00
.kunitconfig	clk: Introduce Kunit Tests for the framework	2022-03-11 19:14:38 -08:00
clk-apple-nco.c	clk: clk-apple-nco: Allow and fix module building	2022-03-15 09:56:12 -07:00
clk-asm9260.c
clk-aspeed.c
clk-aspeed.h
clk-ast2600.c	clk/ast2600: Fix soc revision for AHB	2021-11-03 19:42:35 -07:00
clk-axi-clkgen.c
clk-axm5516.c
clk-bd718x7.c
clk-bm1880.c	clk: bm1880: remove kfrees on static allocations	2022-01-06 17:46:56 -08:00
clk-bulk.c
clk-cdce706.c
clk-cdce925.c
clk-clps711x.c	clk: clps711x: Terminate clk_div_table with sentinel element	2022-03-11 18:13:24 -08:00
clk-composite.c	clk: composite: Fix 'switching' to same clock	2021-11-03 17:49:54 -07:00
clk-conf.c
clk-cs2000-cp.c	clk: cs2000-cp: convert driver to regmap	2022-01-25 14:23:16 -08:00
clk-devres.c	clk: fix leak on devm_clk_bulk_get_all() unwind	2021-07-31 00:53:38 -07:00
clk-divider.c	clk: divider: Implement and wire up .determine_rate by default	2021-08-05 17:35:58 -07:00
clk-fixed-factor.c	clk: fixed-factor: Introduce devm_clk_hw_register_fixed_factor_index()	2022-03-18 14:04:54 -07:00
clk-fixed-mmio.c
clk-fixed-rate.c
clk-fractional-divider.c	clk: cleanup comments	2022-03-11 18:22:15 -08:00
clk-fractional-divider.h	clk: fractional-divider: Hide clk_fractional_divider_ops from wide audience	2021-08-12 12:42:00 -07:00
clk-fsl-flexspi.c
clk-fsl-sai.c
clk-gate.c	clk: gate: Add devm_clk_hw_register_gate()	2021-12-08 11:19:20 +01:00
clk-gate_test.c	clk: gate: Add some kunit test suites	2022-01-24 17:22:53 -08:00
clk-gemini.c	clk: Gemini: fix struct name in kernel-doc	2021-12-02 17:27:48 -08:00
clk-gpio.c
clk-hi655x.c
clk-highbank.c
clk-hsdk-pll.c
clk-k210.c	clk: k210: Fix k210_clk_set_parent()	2021-06-30 11:34:36 -07:00
clk-lan966x.c	clk: lan966x: Extend lan966x clock driver for clock gating support	2021-12-08 11:19:20 +01:00
clk-lmk04832.c	spi: make remove callback a void function	2022-02-09 13:00:45 +00:00
clk-lochnagar.c
clk-max9485.c
clk-max77686.c
clk-milbeaut.c
clk-moxart.c
clk-multiplier.c
clk-mux.c	clk: mux: Declare u32 *table parameter as const	2022-02-25 16:41:39 -08:00
clk-nomadik.c
clk-npcm7xx.c
clk-nspire.c
clk-oxnas.c	clk: Use of_device_get_match_data()	2022-03-11 19:23:30 -08:00
clk-palmas.c	clk: palmas: Add a missing SPDX license header	2021-08-05 17:34:30 -07:00
clk-plldig.c
clk-pwm.c
clk-qoriq.c
clk-renesas-pcie.c	clk: rs9: Add Renesas 9-series PCIe clock generator driver	2022-03-18 14:09:27 -07:00
clk-rk808.c
clk-s2mps11.c
clk-scmi.c	clk: scmi: Support atomic clock enable/disable API	2022-02-21 10:37:00 +00:00
clk-scpi.c
clk-si514.c
clk-si544.c
clk-si570.c
clk-si5341.c	Merge branches 'clk-starfive', 'clk-ti', 'clk-terminate' and 'clk-cleanup' into clk-next	2022-03-29 10:19:10 -07:00
clk-si5351.c	clk: si5351: Update datasheet references	2021-11-02 14:29:17 -07:00
clk-si5351.h	clk: si5351: Update datasheet references	2021-11-02 14:29:17 -07:00
clk-sparx5.c
clk-stm32f4.c	clk: stm32: Fix ltdc's clock turn off by clk_disable_unused() after system enter shell	2021-12-15 22:45:48 -08:00
clk-stm32h7.c	clk: stm32h7: Switch to clk_divider.determine_rate	2021-08-05 17:36:10 -07:00
clk-stm32mp1.c	clk: stm32mp1: Add parent_data to ETHRX clock	2022-01-24 17:17:31 -08:00
clk-tps68470.c	clk: Introduce clk-tps68470 driver	2021-12-15 20:12:07 -08:00
clk-twl6040.c
clk-versaclock5.c	clk: vc5: Use i2c .probe_new	2021-11-02 14:28:51 -07:00
clk-vt8500.c
clk-wm831x.c
clk-xgene.c
clk.c	Revert "clk: Drop the rate range on clk_put()"	2022-04-02 19:28:53 -07:00
clk.h
clk_test.c	Revert "clk: Drop the rate range on clk_put()"	2022-04-02 19:28:53 -07:00
clkdev.c
Kconfig	There's one large change in the core clk framework here. We change how	2022-03-30 10:11:04 -07:00
Makefile	Merge branches 'clk-range', 'clk-uniphier', 'clk-apple' and 'clk-qcom' into clk-next	2022-03-29 10:19:36 -07:00