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8b89c9e68a01a19a1dd689a42aa65d545e931899
android_kernel_xiaomi_sm8450/drivers/clk
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Robert Marko 8b89c9e68a clk: qcom: ipq8074: fix PCI-E clock oops 
[ Upstream commit bf8f5182b8f59309809b41c1d1730ed9ca6134b1 ]

Fix PCI-E clock related kernel oops that are caused by a missing clock
parent.

pcie0_rchng_clk_src has num_parents set to 2 but only one parent is
actually set via parent_hws, it should also have "XO" defined.
This will cause the kernel to panic on a NULL pointer in
clk_core_get_parent_by_index().

So, to fix this utilize clk_parent_data to provide gcc_xo_gpll0 parent
data.
Since there is already an existing static const char * const gcc_xo_gpll0[]
used to provide the same parents via parent_names convert those users to
clk_parent_data as well.

Without this earlycon is needed to even catch the OOPS as it will reset
the board before serial is initialized with the following:

[    0.232279] Unable to handle kernel paging request at virtual address 0000a00000000000
[    0.232322] Mem abort info:
[    0.239094]   ESR = 0x96000004
[    0.241778]   EC = 0x25: DABT (current EL), IL = 32 bits
[    0.244908]   SET = 0, FnV = 0
[    0.250377]   EA = 0, S1PTW = 0
[    0.253236]   FSC = 0x04: level 0 translation fault
[    0.256277] Data abort info:
[    0.261141]   ISV = 0, ISS = 0x00000004
[    0.264262]   CM = 0, WnR = 0
[    0.267820] [0000a00000000000] address between user and kernel address ranges
[    0.270954] Internal error: Oops: 96000004 [#1] SMP
[    0.278067] Modules linked in:
[    0.282751] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.15.10 #0
[    0.285882] Hardware name: Xiaomi AX3600 (DT)
[    0.292043] pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[    0.296299] pc : clk_core_get_parent_by_index+0x68/0xec
[    0.303067] lr : __clk_register+0x1d8/0x820
[    0.308273] sp : ffffffc01111b7d0
[    0.312438] x29: ffffffc01111b7d0 x28: 0000000000000000 x27: 0000000000000040
[    0.315919] x26: 0000000000000002 x25: 0000000000000000 x24: ffffff8000308800
[    0.323037] x23: ffffff8000308850 x22: ffffff8000308880 x21: ffffff8000308828
[    0.330155] x20: 0000000000000028 x19: ffffff8000309700 x18: 0000000000000020
[    0.337272] x17: 000000005cc86990 x16: 0000000000000004 x15: ffffff80001d9d0a
[    0.344391] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000006
[    0.351508] x11: 0000000000000003 x10: 0101010101010101 x9 : 0000000000000000
[    0.358626] x8 : 7f7f7f7f7f7f7f7f x7 : 6468626f5e626266 x6 : 17000a3a403c1b06
[    0.365744] x5 : 061b3c403a0a0017 x4 : 0000000000000000 x3 : 0000000000000001
[    0.372863] x2 : 0000a00000000000 x1 : 0000000000000001 x0 : ffffff8000309700
[    0.379982] Call trace:
[    0.387091]  clk_core_get_parent_by_index+0x68/0xec
[    0.389351]  __clk_register+0x1d8/0x820
[    0.394210]  devm_clk_hw_register+0x5c/0xe0
[    0.398030]  devm_clk_register_regmap+0x44/0x8c
[    0.402198]  qcom_cc_really_probe+0x17c/0x1d0
[    0.406711]  qcom_cc_probe+0x34/0x44
[    0.411224]  gcc_ipq8074_probe+0x18/0x30
[    0.414869]  platform_probe+0x68/0xe0
[    0.418776]  really_probe.part.0+0x9c/0x30c
[    0.422336]  __driver_probe_device+0x98/0x144
[    0.426329]  driver_probe_device+0x44/0x11c
[    0.430842]  __device_attach_driver+0xb4/0x120
[    0.434836]  bus_for_each_drv+0x68/0xb0
[    0.439349]  __device_attach+0xb0/0x170
[    0.443081]  device_initial_probe+0x14/0x20
[    0.446901]  bus_probe_device+0x9c/0xa4
[    0.451067]  device_add+0x35c/0x834
[    0.454886]  of_device_add+0x54/0x64
[    0.458360]  of_platform_device_create_pdata+0xc0/0x100
[    0.462181]  of_platform_bus_create+0x114/0x370
[    0.467128]  of_platform_bus_create+0x15c/0x370
[    0.471641]  of_platform_populate+0x50/0xcc
[    0.476155]  of_platform_default_populate_init+0xa8/0xc8
[    0.480324]  do_one_initcall+0x50/0x1b0
[    0.485877]  kernel_init_freeable+0x234/0x29c
[    0.489436]  kernel_init+0x24/0x120
[    0.493948]  ret_from_fork+0x10/0x20
[    0.497253] Code: d50323bf d65f03c0 f94002a2 b4000302 (f9400042)
[    0.501079] ---[ end trace 4ca7e1129da2abce ]---

Fixes: f0cfcf1a ("clk: qcom: ipq8074: Add missing clocks for pcie")
Signed-off-by: Robert Marko <robimarko@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211220114119.465247-1-robimarko@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-04-08 14:40:24 +02:00
..
actions
clk: actions: Fix AHPPREDIV-H-AHB clock chain on Owl S500 SoC
2021-07-14 16:56:31 +02:00
analogbits
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
at91
clk: at91: sam9x60-pll: use DIV_ROUND_CLOSEST_ULL
2021-11-18 14:04:21 +01:00
axis
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
axs10x
clk: axs10x: use devm_platform_ioremap_resource() to simplify code
2019-10-16 16:17:50 -07:00
baikal-t1
clk: baikal-t1: Mark Ethernet PLL as critical
2020-10-13 19:48:34 -07:00
bcm
clk: bcm-2835: Remove rounding up the dividers
2022-01-27 10:53:45 +01:00
berlin
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
davinci
Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2020-10-22 12:53:28 -07:00
h8300
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
hisilicon
Merge branches 'clk-hisi', 'clk-amlogic', 'clk-samsung', 'clk-renesas' and 'clk-imx' into clk-next
2019-11-27 08:14:17 -08:00
imgtec
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
imx
clk: imx8mn: Fix imx8mn_clko1_sels
2022-01-27 10:54:04 +01:00
ingenic
clk: jz4725b: fix mmc0 clock gating
2022-03-02 11:42:46 +01:00
keystone
treewide: Change list_sort to use const pointers
2021-09-30 10:11:04 +02:00
loongson1
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
mediatek
Merge branches 'clk-simplify', 'clk-ti', 'clk-tegra', 'clk-rockchip' and 'clk-mediatek' into clk-next
2020-10-20 11:46:47 -07:00
meson
clk: meson: gxbb: Fix the SDM_EN bit for MPLL0 on GXBB
2022-01-27 10:54:21 +01:00
microchip
clk: let init callback return an error code
2019-12-23 18:53:13 -08:00
mmp
clk: mmp2: fix build without CONFIG_PM
2021-02-03 23:28:44 +01:00
mvebu
clk: mvebu: ap-cpu-clk: Fix a memory leak in error handling paths
2021-11-18 14:04:14 +01:00
mxs
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 159
2019-05-30 11:26:37 -07:00
nxp
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 159
2019-05-30 11:26:37 -07:00
pistachio
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 422
2019-06-05 17:37:15 +02:00
pxa
clk: pxa: Constify static struct clk_ops
2020-10-13 19:49:11 -07:00
qcom
clk: qcom: ipq8074: fix PCI-E clock oops
2022-04-08 14:40:24 +02:00
renesas
clk: renesas: rcar-usb2-clock-sel: Fix kernel NULL pointer dereference
2021-09-03 10:09:26 +02:00
rockchip
clk: rockchip: drop GRF dependency for rk3328/rk3036 pll types
2021-09-18 13:40:11 +02:00
samsung
clk: exynos7: Mark aclk_fsys1_200 as critical
2021-05-19 10:13:19 +02:00
sifive
clk: sifive: allocate sufficient memory for struct __prci_data
2020-06-25 15:04:13 -07:00
sirf
clk: clk-prima2: fix return value check in prima2_clk_init()
2020-10-13 19:54:30 -07:00
socfpga
clk: socfpga: agilex: fix duplicate s2f_user0_clk
2021-10-20 11:44:58 +02:00
spear
clk: spear: Remove uninitialized_var() usage
2020-07-16 12:32:26 -07:00
sprd
Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2020-06-10 11:42:19 -07:00
st
clk: st: Remove uninitialized_var() usage
2020-07-16 12:32:25 -07:00
sunxi
clk: sunxi: Fix incorrect usage of round_down()
2020-04-14 09:21:05 +02:00
sunxi-ng
clk: sunxi-ng: h6: Fix clock divider range on some clocks
2021-03-04 11:37:58 +01:00
tegra
clk: tegra: Implement disable_unused() of tegra_clk_sdmmc_mux_ops
2021-08-12 13:22:04 +02:00
ti
clk: ti: Fix memleak in ti_fapll_synth_setup
2020-12-30 11:53:58 +01:00
uniphier
clk: uniphier: Fix fixed-rate initialization
2022-04-08 14:39:50 +02:00
ux500
clk: ux500: Fix up the SGA clock for some variants
2020-01-04 23:27:15 -08:00
versatile
clk: versatile: Add of_node_put() before return statement
2020-09-10 00:57:42 -07:00
x86
Merge tag 'acpi-5.9-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2020-08-15 08:18:22 -07:00
zte
clk: zx296718: Don't reference clk_init_data after registration
2019-08-16 10:20:15 -07:00
zynq
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 401
2019-06-05 17:37:13 +02:00
zynqmp
clk: zynqmp: pll: add set_pll_mode to check condition in zynqmp_pll_enable
2021-05-14 09:50:26 +02:00
clk-asm9260.c
clk: asm9260: fix __clk_hw_register_fixed_rate_with_accuracy typo
2020-04-13 12:20:06 -07:00
clk-aspeed.c
clk: aspeed: Add RMII RCLK gates for both AST2500 MACs
2019-11-26 10:02:48 -08:00
clk-aspeed.h
clk: aspeed: Move structures to header
2019-09-06 15:17:02 -07:00
clk-ast2600.c
clk/ast2600: Fix soc revision for AHB
2021-11-26 10:39:12 +01:00
clk-axi-clkgen.c
clk: axi-clkgen: Set power bits for fractional mode
2020-10-13 19:44:40 -07:00
clk-axm5516.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
clk-bd718x7.c
clk: bd718x7: Support ROHM BD71828 clk block
2020-01-24 07:22:47 +00:00
clk-bm1880.c
clk: bm1880: remove kfrees on static allocations
2022-01-27 10:54:09 +01:00
clk-bulk.c
clk: Make clk_bulk_get_all() return a valid "id"
2019-09-17 13:26:31 -07:00
clk-cdce706.c
Replace HTTP links with HTTPS ones: Common CLK framework
2020-07-10 17:15:34 -07:00
clk-cdce925.c
clk: clk-cdce925: Add regulator support
2019-09-06 10:31:16 -07:00
clk-clps711x.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
clk-composite.c
clk: composite: Export clk_hw_register_composite()
2020-08-22 12:38:06 +08:00
clk-conf.c
clk: Tag clk core files with SPDX
2018-12-11 09:57:47 -08:00
clk-cs2000-cp.c
…
clk-devres.c
clk: fix leak on devm_clk_bulk_get_all() unwind
2021-08-12 13:22:11 +02:00
clk-divider.c
clk: divider: fix initialization with parent_hw
2021-03-04 11:38:06 +01:00
clk-efm32gg.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
clk-fixed-factor.c
clk: fixed: add missing kerneldoc
2020-09-22 12:44:14 -07:00
clk-fixed-mmio.c
clk: Remove io.h from clk-provider.h
2019-05-15 13:21:37 -07:00
clk-fixed-rate.c
clk: fixed: add missing kerneldoc
2020-09-22 12:44:14 -07:00
clk-fractional-divider.c
clk: Remove io.h from clk-provider.h
2019-05-15 13:21:37 -07:00
clk-fsl-sai.c
clk: fsl-sai: fix memory leak
2020-12-30 11:53:42 +01:00
clk-gate.c
treewide: Remove uninitialized_var() usage
2020-07-16 12:35:15 -07:00
clk-gemini.c
…
clk-gpio.c
Replace HTTP links with HTTPS ones: Common CLK framework
2020-07-10 17:15:34 -07:00
clk-hi655x.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288
2019-06-05 17:36:37 +02:00
clk-highbank.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201
2019-05-30 11:29:52 -07:00
clk-hsdk-pll.c
CLK: HSDK: CGU: add support for 148.5MHz clock
2020-05-28 21:06:39 -07:00
clk-lochnagar.c
clk: lochnagar: Don't reference clk_init_data after registration
2019-08-16 10:20:07 -07:00
clk-max9485.c
…
clk-max77686.c
clk: clk-max77686: Clean clkdev lookup leak and use devm
2019-02-06 10:35:03 -08:00
clk-milbeaut.c
clk: milbeaut: Don't reference clk_init_data after registration
2019-08-16 10:20:15 -07:00
clk-moxart.c
…
clk-multiplier.c
clk: Remove io.h from clk-provider.h
2019-05-15 13:21:37 -07:00
clk-mux.c
clk: mux: Add support for specifying parents via DT/pointers
2020-01-06 23:10:05 -08:00
clk-nomadik.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194
2019-05-30 11:29:22 -07:00
clk-npcm7xx.c
…
clk-nspire.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
clk-oxnas.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201
2019-05-30 11:29:52 -07:00
clk-palmas.c
…
clk-plldig.c
clk: ls1028a: fix a dereference of pointer 'parent' before a null check
2020-02-03 23:03:49 -08:00
clk-pwm.c
clk: pwm: Use 64-bit division function
2020-06-17 20:42:10 +02:00
clk-qoriq.c
clk: qoriq: modify MAX_PLL_DIV to 32
2020-10-13 19:48:09 -07:00
clk-rk808.c
Merge tag 'mfd-next-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
2019-07-15 20:18:40 -07:00
clk-s2mps11.c
clk: s2mps11: Fix a resource leak in error handling paths in the probe function
2020-12-30 11:54:01 +01:00
clk-scmi.c
clk: scmi: Fix min and max rate when registering clocks with discrete rates
2020-07-13 09:40:21 +01:00
clk-scpi.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201
2019-05-30 11:29:52 -07:00
clk-si514.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
clk-si544.c
clk: clk-si544: Implement small frequency change support
2019-06-27 13:45:38 -07:00
clk-si570.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
clk-si5341.c
clk: si5341: Fix clock HW provider cleanup
2022-01-27 10:54:31 +01:00
clk-si5351.c
Replace HTTP links with HTTPS ones: Common CLK framework
2020-07-10 17:15:34 -07:00
clk-si5351.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
clk-sparx5.c
clk: sparx5: Add Sparx5 SoC DPLL clock driver
2020-07-28 18:17:56 -07:00
clk-stm32f4.c
clk: stm32: Fix ltdc's clock turn off by clk_disable_unused() after system enter shell
2022-01-27 10:54:07 +01:00
clk-stm32h7.c
…
clk-stm32mp1.c
clk: stm32mp1: Add ddrperfm clock
2019-04-29 11:13:23 -07:00
clk-tango4.c
…
clk-twl6040.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 336
2019-06-05 17:37:07 +02:00
clk-u300.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194
2019-05-30 11:29:22 -07:00
clk-versaclock5.c
clk: vc5: fix output disabling when enabling a FOD
2021-07-14 16:56:19 +02:00
clk-vt8500.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
2019-06-05 17:36:37 +02:00
clk-wm831x.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
clk-xgene.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
clk.c
clk: Emit a stern warning with writable debugfs enabled
2022-01-27 10:54:31 +01:00
clk.h
clk: consoldiate the __clk_get_hw() declarations
2019-07-12 11:00:14 -07:00
clkdev.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
Kconfig
Merge branches 'clk-ingenic', 'clk-at91', 'clk-kconfig', 'clk-imx', 'clk-qcom', 'clk-prima2' and 'clk-bcm' into clk-next
2020-10-20 11:47:07 -07:00
Makefile
clk: sparx5: Add Sparx5 SoC DPLL clock driver
2020-07-28 18:17:56 -07:00