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[ Upstream commit b3ea5d56f212ad81328c82454829a736197ebccc ]
Currently the stacktrace on clang compiled arm kernel uses the 'lr'
register to find the first frame address from pt_regs. However, that
is wrong after calling another function, because the 'lr' register
is used by 'bl' instruction and never be recovered.
As same as gcc arm kernel, directly use the frame pointer (r11) of
the pt_regs to find the first frame address.
Note that this fixes kretprobe stacktrace issue only with
CONFIG_UNWINDER_FRAME_POINTER=y. For the CONFIG_UNWINDER_ARM,
we need another fix.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 55dd7e059098ce4bd0a55c251cb78e74604abb57 ]
Commit bbc4d71d6354 ("net: phy: realtek: fix rtl8211e rx/tx delay
config") sets the RX/TX delay according to the phy-mode property in the
device tree. For the A20-olinuxino-lime2 board this is "rgmii", which is the
wrong setting.
Following the example of a900cac3750b ("ARM: dts: sun7i: a20: bananapro:
Fix ethernet phy-mode") the phy-mode is changed to "rgmii-id" which gets
the Ethernet working again on this board.
Signed-off-by: Bastien Roucariès <rouca@debian.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210916081721.237137-1-rouca@debian.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 48ccc8edf5b90622cdc4f8878e0042ab5883e2ca upstream.
In randconfig builds, we sometimes come across this warning:
arm-linux-gnueabi-ld: XIP start address may cause MPU programming issues
While this is helpful for actual systems to figure out why it
fails, the warning does not provide any benefit for build testing,
so guard it in a check for CONFIG_COMPILE_TEST, which is usually
set on randconfig builds.
Fixes: 216218308cfb ("ARM: 8713/1: NOMMU: Support MPU in XIP configuration")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 1f323127cab086e4fd618981b1e5edc396eaf0f4 upstream.
With extra warnings enabled, gcc complains about this function
definition:
arch/arm/probes/kprobes/core.c: In function 'arch_init_kprobes':
arch/arm/probes/kprobes/core.c:465:12: warning: old-style function definition [-Wold-style-definition]
465 | int __init arch_init_kprobes()
Link: https://lore.kernel.org/all/20201027093057.c685a14b386acacb3c449e3d@kernel.org/
Fixes: 24ba613c9d6c ("ARM kprobes: core code")
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 44cc6412e66b2b84544eaf2e14cf1764301e2a80 upstream.
When frame pointers are used instead of the ARM unwinder,
and the kernel is built using clang with an external assembler
and CONFIG_XIP_KERNEL, every file produces two warnings
like:
arm-linux-gnueabi-ld: warning: orphan section `.ARM.extab' from `net/mac802154/util.o' being placed in section `.ARM.extab'
arm-linux-gnueabi-ld: warning: orphan section `.ARM.exidx' from `net/mac802154/util.o' being placed in section `.ARM.exidx'
The same fix was already merged for the normal (non-XIP)
linker script, with a longer description.
Fixes: c39866f268f8 ("arm/build: Always handle .ARM.exidx and .ARM.extab sections")
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit eaf6cc7165c9c5aa3c2f9faa03a98598123d0afb upstream.
Both the decompressor code and the kasan logic try to override
the memcpy() and memmove() definitions, which leading to a clash
in a KASAN-enabled kernel with XZ decompression:
arch/arm/boot/compressed/decompress.c:50:9: error: 'memmove' macro redefined [-Werror,-Wmacro-redefined]
#define memmove memmove
^
arch/arm/include/asm/string.h:59:9: note: previous definition is here
#define memmove(dst, src, len) __memmove(dst, src, len)
^
arch/arm/boot/compressed/decompress.c:51:9: error: 'memcpy' macro redefined [-Werror,-Wmacro-redefined]
#define memcpy memcpy
^
arch/arm/include/asm/string.h:58:9: note: previous definition is here
#define memcpy(dst, src, len) __memcpy(dst, src, len)
^
Here we want the set of functions from the decompressor, so undefine
the other macros before the override.
Link: https://lore.kernel.org/linux-arm-kernel/CACRpkdZYJogU_SN3H9oeVq=zJkRgRT1gDz3xp59gdqWXxw-B=w@mail.gmail.com/
Link: https://lore.kernel.org/lkml/202105091112.F5rmd4By-lkp@intel.com/
Fixes: d6d51a96c7d6 ("ARM: 9014/2: Replace string mem* functions for KASan")
Fixes: a7f464f3db93 ("ARM: 7001/2: Wire up support for the XZ decompressor")
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit e6a0c958bdf9b2e1b57501fc9433a461f0a6aadd upstream.
A kernel built with CONFIG_THUMB2_KERNEL=y and using clang as the
assembler could generate non-naturally-aligned v7wbi_tlb_fns which
results in a boot failure. The original commit adding the macro missed
the .align directive on this data.
Link: https://github.com/ClangBuiltLinux/linux/issues/1447
Link: https://lore.kernel.org/all/0699da7b-354f-aecc-a62f-e25693209af4@linaro.org/
Debugged-by: Ard Biesheuvel <ardb@kernel.org>
Debugged-by: Nathan Chancellor <nathan@kernel.org>
Debugged-by: Richard Henderson <richard.henderson@linaro.org>
Fixes: 66a625a88174 ("ARM: mm: proc-macros: Add generic proc/cache/tlb struct definition macros")
Suggested-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit df909df0770779f1a5560c2bb641a2809655ef28 upstream.
ARM: kasan: Fix __get_user_check failure with kasan
In macro __get_user_check defined in arch/arm/include/asm/uaccess.h,
error code is store in register int __e(r0). When kasan is
enabled, assigning value to kernel address might trigger kasan check,
which unexpectedly overwrites r0 and causes undefined behavior on arm
kasan images.
One example is failure in do_futex and results in process soft lockup.
Log:
watchdog: BUG: soft lockup - CPU#0 stuck for 62946ms! [rs:main
Q:Reg:1151]
...
(__asan_store4) from (futex_wait_setup+0xf8/0x2b4)
(futex_wait_setup) from (futex_wait+0x138/0x394)
(futex_wait) from (do_futex+0x164/0xe40)
(do_futex) from (sys_futex_time32+0x178/0x230)
(sys_futex_time32) from (ret_fast_syscall+0x0/0x50)
The soft lockup happens in function futex_wait_setup. The reason is
function get_futex_value_locked always return EINVAL, thus pc jump
back to retry label and causes looping.
This line in function get_futex_value_locked
ret = __get_user(*dest, from);
is expanded to
*dest = (typeof(*(p))) __r2; ,
in macro __get_user_check. Writing to pointer dest triggers kasan check
and overwrites the return value of __get_user_x function.
The assembly code of get_futex_value_locked in kernel/futex.c:
...
c01f6dc8: eb0b020e bl c04b7608 <__get_user_4>
// "x = (typeof(*(p))) __r2;" triggers kasan check and r0 is overwritten
c01f6dCc: e1a00007 mov r0, r7
c01f6dd0: e1a05002 mov r5, r2
c01f6dd4: eb04f1e6 bl c0333574 <__asan_store4>
c01f6dd8: e5875000 str r5, [r7]
// save ret value of __get_user(*dest, from), which is dest address now
c01f6ddc: e1a05000 mov r5, r0
...
// checking return value of __get_user failed
c01f6e00: e3550000 cmp r5, #0
...
c01f6e0c: 01a00005 moveq r0, r5
// assign return value to EINVAL
c01f6e10: 13e0000d mvnne r0, #13
Return value is the destination address of get_user thus certainly
non-zero, so get_futex_value_locked always return EINVAL.
Fix it by using a tmp vairable to store the error code before the
assignment. This fix has no effects to non-kasan images thanks to compiler
optimization. It only affects cases that overwrite r0 due to kasan check.
This should fix bug discussed in Link:
[1] https://lore.kernel.org/linux-arm-kernel/0ef7c2a5-5d8b-c5e0-63fa-31693fd4495c@gmail.com/
Fixes: 421015713b30 ("ARM: 9017/2: Enable KASan for ARM")
Signed-off-by: Lexi Shao <shaolexi@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 9d417cbe36eee7afdd85c2e871685f8dab7c2dba upstream.
tglx notes:
This function [futex_detect_cmpxchg] is only needed when an
architecture has to runtime discover whether the CPU supports it or
not. ARM has unconditional support for this, so the obvious thing to
do is the below.
Fixes linkage failure from Clang randconfigs:
kernel/futex.o:(.text.fixup+0x5c): relocation truncated to fit: R_ARM_JUMP24 against `.init.text'
and boot failures for CONFIG_THUMB2_KERNEL.
Link: https://github.com/ClangBuiltLinux/linux/issues/325
Comments from Nick Desaulniers:
See-also: 03b8c7b623c8 ("futex: Allow architectures to skip
futex_atomic_cmpxchg_inatomic() test")
Reported-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: Nathan Chancellor <nathan@kernel.org>
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: stable@vger.kernel.org # v3.14+
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 6636fec29cdf6665bd219564609e8651f6ddc142 ]
On SPEAr3xx, ethernet driver is not compatible with the SPEAr600
one.
Indeed, SPEAr3xx uses an earlier version of this IP (v3.40) and
needs some driver tuning compare to SPEAr600.
The v3.40 IP support was added to stmmac driver and this patch
fixes this issue and use the correct compatible string for
SPEAr3xx
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 4348cc10da6377a86940beb20ad357933b8f91bb ]
Without a sensor node, the ISC will simply fail to probe, as the
corresponding port node is missing.
It is then logical to disable the node in the devicetree.
If we add a port with a connection to a sensor endpoint, ISC can be enabled.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20210902121358.503589-1-eugen.hristev@microchip.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 2e9edc07df2ec6f835222151fa4e536e9e54856a ]
Based on 'ranges', the 'bus@4000000' node unit-address is off by 1 '0'.
Link: https://lore.kernel.org/r/20210819184239.1192395-5-robh@kernel.org
Cc: Andre Przywara <andre.przywara@arm.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 13dbc954b3c9a9de0ad5b7279e8d3b708d31068b upstream.
dtbs_check currently complains that:
arch/arm/boot/dts/bcm2711-rpi-4-b.dts:220.10-231.4: Warning
(pci_device_reg): /scb/pcie@7d500000/pci@1,0: PCI unit address format
error, expected "0,0"
Unsurprisingly pci@0,0 is the right address, as illustrated by its reg
property:
&pcie0 {
pci@0,0 {
/*
* As defined in the IEEE Std 1275-1994 document,
* reg is a five-cell address encoded as (phys.hi
* phys.mid phys.lo size.hi size.lo). phys.hi
* should contain the device's BDF as 0b00000000
* bbbbbbbb dddddfff 00000000. The other cells
* should be zero.
*/
reg = <0 0 0 0 0>;
};
};
The device is clearly 0. So fix it.
Also add a missing 'device_type = "pci"'.
Fixes: 258f92d2f840 ("ARM: dts: bcm2711: Add reset controller to xHCI node")
Suggested-by: Rob Herring <robh@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210831125843.1233488-1-nsaenzju@redhat.com
Signed-off-by: Nicolas Saenz Julienne <nsaenz@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b55ec7528879a822a4d350248daa04bbb27f25fd upstream.
DT schema check complains at sd_io_1v8_reg about the following:
[1800000, 1, 3300000, 0] is too long
Additional items are not allowed (3300000, 0 were unexpected)
So fix the states definition.
Fixes: 7dbe8c62ceeb ("ARM: dts: Add minimal Raspberry Pi 4 support")
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1628334401-6577-3-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Nicolas Saenz Julienne <nsaenz@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 2faff6737a8a684b077264f0aed131526c99eec4 upstream.
The values of #address-cells and #size-cells are swapped. Fix this
and avoid the following DT schema warnings for mdio@e14:
#address-cells:0:0: 1 was expected
#size-cells:0:0: 0 was expected
Fixes: be8af7a9e3cc ("ARM: dts: bcm2711-rpi-4: Enable GENET support")
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1628334401-6577-2-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Nicolas Saenz Julienne <nsaenz@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3f32472854614d6f53b09b4812372dba9fc5c7de upstream.
The unit address is supposed to represent '<device>,<function>'. Which
are both 0 for RPi4b's XHCI controller. On top of that although
OpenFirmware states bus number goes in the high part of the last reg
parameter, FDT doesn't seem to care for it[1], so remove it.
[1] https://patchwork.kernel.org/project/linux-arm-kernel/patch/20210830103909.323356-1-nsaenzju@redhat.com/#24414633
Fixes: 258f92d2f840 ("ARM: dts: bcm2711: Add reset controller to xHCI node")
Suggested-by: Rob Herring <robh@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210831125843.1233488-2-nsaenzju@redhat.com
Signed-off-by: Nicolas Saenz Julienne <nsaenz@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit b13a270ace2e4c70653aa1d1d0394c553905802f ]
Commit 94f6345712b3 ("bus: ti-sysc: Implement quirk handling for
CLKDM_NOAUTO") should have also added the quirk for dra7 dcan1 in
addition to dcan2 for errata i893 handling.
Let's also pass the quirk flag for legacy mode booting for if "ti,hwmods"
dts property is used with related dcan hwmod data. This should be only
needed if anybody needs to git bisect earlier stable trees though.
Fixes: 94f6345712b3 ("bus: ti-sysc: Implement quirk handling for CLKDM_NOAUTO")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 783f3db030563f7bcdfe2d26428af98ea1699a8e ]
Any pending interrupt can prevent entering standby based power off state.
To avoid it, disable the GIC CPU interface.
Fixes: 8148d2136002 ("ARM: imx6: register pm_power_off handler if "fsl,pmic-stby-poweroff" is set")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 79e3445b38e0cab94264a3894c0c3d57c930b97e ]
On ARM CPUs that lack div/mod instructions, ALU32 BPF_DIV and BPF_MOD are
implemented using a call to a helper function. Before, the emitted code
for those function calls failed to preserve caller-saved ARM registers.
Since some of those registers happen to be mapped to BPF registers, it
resulted in eBPF register values being overwritten.
This patch emits code to push and pop the remaining caller-saved ARM
registers r2-r3 into the stack during the div/mod function call. ARM
registers r0-r1 are used as arguments and return value, and those were
already saved and restored correctly.
Fixes: 39c13c204bb1 ("arm: eBPF JIT compiler")
Signed-off-by: Johan Almbladh <johan.almbladh@anyfinetworks.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 450e7fe9b1b3c90eeed74a2fe0eeb13a7b57f3da ]
Currently, it is no longer possible to retrieve a DHCP address
on the imx6qdl-pico board.
This issue has been exposed by commit f5d9aa79dfdf ("ARM: imx6q:
remove clk-out fixup for the Atheros AR8031 and AR8035 PHYs").
Fix it by describing the qca,clk-out-frequency property as suggested
by the commit above.
Fixes: 98670a0bb0ef14bbb3 ("ARM: dts: imx6qdl: Add imx6qdl-pico support")
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 5c187e2eb3f92daa38cb3d4ab45e1107ea34108e ]
The MIC2025 switch input signal nEN is active low, describe it as such
in the DT. The previous change to this regulator polarity was incorrectly
influenced by broken quirks in gpiolib-of.c, which is now long fixed. So
fix this regulator polarity setting here once and for all.
Fixes: 3c3601cd6a6d3 ("ARM: dts: imx53: Update USB configuration on M53Menlo")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c8c1efe14a4aadcfe93a158b1272e48298d2de15 ]
The panel already contains pinctrl-0 phandle, but it is missing
the default pinctrl-names property, so the pin configuration is
ignored. Fill in the missing pinctrl-names property, so the pin
configuration is applied.
Fixes: d81765d693db6 ("ARM: dts: imx53: Update LCD panel node on M53Menlo")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 1605de1b3ca66e3eddbca4b3c353c13c26476fe2 ]
In case PM is enabled but there is no RAM controller information
in DT the code will panic. Avoid such scenarios by not initializing
platform specific PM code in case RAM controller is not provided
via DT.
Reported-by: Eugen Hristev <eugen.hristev@microchip.com>
Fixes: 827de1f123ba0 ("ARM: at91: remove at91_dt_initialize and machine init_early()")
Fixes: 892e1f4a3ae58 ("ARM: at91: pm: add sama7g5 ddr phy controller")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20210823131915.23857-2-claudiu.beznea@microchip.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit f1db21c315f4b4f8c3fbea56aac500673132d317 ]
The 28NM DSI PLL driver for msm8960 calculates with a 27MHz reference
clock and should hence use PXO, not CXO which runs at 19.2MHz.
Note that none of the DSI PHY/PLL drivers currently use this "ref"
clock; they all rely on (sometimes inexistant) global clock names and
usually function normally without a parent clock. This discrepancy will
be corrected in a future patch, for which this change needs to be in
place first.
Fixes: 6969d1d9c615 ("ARM: dts: qcom-apq8064: Set 'cxo_board' as ref clock of the DSI PHY")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Link: https://lore.kernel.org/r/20210829203027.276143-2-marijn.suijten@somainline.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit f5c03f131dae3f06d08464e6157dd461200f78d9 upstream.
Also resolves these kernel warnings for APQ8064:
adreno 4300000.adreno-3xx: Using legacy qcom,chipid binding!
adreno 4300000.adreno-3xx: Use compatible qcom,adreno-320.2 instead.
Tested on Nexus 7 2013, no functional changes.
Cc: <stable@vger.kernel.org>
Signed-off-by: David Heidelberg <david@ixit.cz>
Link: https://lore.kernel.org/r/20210818065317.19822-1-david@ixit.cz
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 9b663b34c94a78f39fa2c7a8271b1f828b546e16 upstream.
Since the LED multicolor framework support was added in commit
92a81562e695 ("leds: lp55xx: Add multicolor framework support to lp55xx")
LEDs on this platform stopped working.
Author of the framework attempted to accommodate this DT to the
framework in commit b86d3d21cd4c ("ARM: dts: imx6dl-yapp4: Add reg property
to the lp5562 channel node") but that is not sufficient. A color property
is now required even if the multicolor framework is not used, otherwise
the driver probe fails:
lp5562: probe of 1-0030 failed with error -22
Add the color property to fix this.
Fixes: 92a81562e695 ("leds: lp55xx: Add multicolor framework support to lp55xx")
Cc: <stable@vger.kernel.org>
Cc: linux-leds@vger.kernel.org
Signed-off-by: Michal Vokáč <michal.vokac@ysoft.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 80d680fdccba214e8106dc1aa33de5207ad75394 upstream.
Nand is on CS1 so reg properties first field should be 1 not 0.
Fixes: 44e4716499b8 ("ARM: dts: omap3: Fix NAND device nodes")
Cc: stable@vger.kernel.org # v4.6+
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6fa630bf473827aee48cbf0efbbdf6f03134e890 upstream
FTRACE_ADDR is only defined when CONFIG_DYNAMIC_FTRACE is defined, the
latter is even stronger requirement than CONFIG_FUNCTION_TRACER (which is
enough for MCOUNT_ADDR).
Link: https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org/thread/ZUVCQBHDMFVR7CCB7JPESLJEWERZDJ3T/
Fixes: 1f12fb25c5c5d22f ("ARM: 9079/1: ftrace: Add MODULE_PLTS support")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 79f32b221b18c15a98507b101ef4beb52444cc6f upstream
Teach ftrace_make_call() and ftrace_make_nop() about PLTs.
Teach PLT code about FTRACE and all its callbacks.
Otherwise the following might happen:
------------[ cut here ]------------
WARNING: CPU: 14 PID: 2265 at .../arch/arm/kernel/insn.c:14 __arm_gen_branch+0x83/0x8c()
...
Hardware name: LSI Axxia AXM55XX
[<c0314a49>] (unwind_backtrace) from [<c03115e9>] (show_stack+0x11/0x14)
[<c03115e9>] (show_stack) from [<c0519f51>] (dump_stack+0x81/0xa8)
[<c0519f51>] (dump_stack) from [<c032185d>] (warn_slowpath_common+0x69/0x90)
[<c032185d>] (warn_slowpath_common) from [<c03218f3>] (warn_slowpath_null+0x17/0x1c)
[<c03218f3>] (warn_slowpath_null) from [<c03143cf>] (__arm_gen_branch+0x83/0x8c)
[<c03143cf>] (__arm_gen_branch) from [<c0314337>] (ftrace_make_nop+0xf/0x24)
[<c0314337>] (ftrace_make_nop) from [<c038ebcb>] (ftrace_process_locs+0x27b/0x3e8)
[<c038ebcb>] (ftrace_process_locs) from [<c0378d79>] (load_module+0x11e9/0x1a44)
[<c0378d79>] (load_module) from [<c037974d>] (SyS_finit_module+0x59/0x84)
[<c037974d>] (SyS_finit_module) from [<c030e981>] (ret_fast_syscall+0x1/0x18)
---[ end trace e1b64ced7a89adcc ]---
------------[ cut here ]------------
WARNING: CPU: 14 PID: 2265 at .../kernel/trace/ftrace.c:1979 ftrace_bug+0x1b1/0x234()
...
Hardware name: LSI Axxia AXM55XX
[<c0314a49>] (unwind_backtrace) from [<c03115e9>] (show_stack+0x11/0x14)
[<c03115e9>] (show_stack) from [<c0519f51>] (dump_stack+0x81/0xa8)
[<c0519f51>] (dump_stack) from [<c032185d>] (warn_slowpath_common+0x69/0x90)
[<c032185d>] (warn_slowpath_common) from [<c03218f3>] (warn_slowpath_null+0x17/0x1c)
[<c03218f3>] (warn_slowpath_null) from [<c038e87d>] (ftrace_bug+0x1b1/0x234)
[<c038e87d>] (ftrace_bug) from [<c038ebd5>] (ftrace_process_locs+0x285/0x3e8)
[<c038ebd5>] (ftrace_process_locs) from [<c0378d79>] (load_module+0x11e9/0x1a44)
[<c0378d79>] (load_module) from [<c037974d>] (SyS_finit_module+0x59/0x84)
[<c037974d>] (SyS_finit_module) from [<c030e981>] (ret_fast_syscall+0x1/0x18)
---[ end trace e1b64ced7a89adcd ]---
ftrace failed to modify [<e9ef7006>] 0xe9ef7006
actual: 02:f0:3b:fa
ftrace record flags: 0
(0) expected tramp: c0314265
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 890cb057a46d323fd8c77ebecb6485476614cd21 upstream
Will be used in the following patch. No functional change.
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4e271701c17dee70c6e1351c4d7d42e70405c6a9 upstream upstream
No functional change, later it will be re-used in several files.
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit fcf044891c84e38fc90eb736b818781bccf94e38 upstream.
We do not need a SWIOTLB unless we have DRAM that is addressable beyond
the arm_dma_limit. Compare max_pfn with arm_dma_pfn_limit to determine
whether we do need a SWIOTLB to be initialized.
Fixes: ad3c7b18c5b3 ("arm: use swiotlb for bounce buffering on LPAE configs")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 2270ad2f4e123336af685ecedd1618701cb4ca1e ]
This patch fixes the tristate and pullup configuration for UART 1 to 3
on the Tamonten SOM.
Signed-off-by: Andreas Obergschwandtner <andreas.obergschwandtner@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 70e740ad55e5f93a19493720f4105555fade4a73 ]
The configuration of USB VBUS regulators was borrowed from downstream
kernel, which is incorrect because the corresponding GPIOs are connected
to PROX_EN (A501 3G model) and LED_EN pins in accordance to the board
schematics. USB works fine with both GPIOs being disabled, so remove the
bogus USB VBUS regulators. The USB VBUS of USB3 is supplied from the fixed
5v system regulator and device-mode USB1 doesn't have VBUS switches.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit cd7cd5b716d594e27a933c12f026d4f2426d7bf4 ]
PPD has only one ACHC device, which effectively is a Kinetis
microcontroller. It has one SPI interface used for normal
communication. Additionally it's possible to flash the device
firmware using NXP's EzPort protocol by correctly driving a
second chip select pin and the device reset pin.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20210802172309.164365-3-sebastian.reichel@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 818c4593434e81c9971b8fc278215121622c755e ]
The wrong property "atmel,shdwc-debouncer" was used to specify the
debounce delay for the shutdown controler. Replace it with the
documented and implemented property "debounce-delay-us", as mentioned
in v4 driver submission. See:
https://lore.kernel.org/r/1458134390-23847-3-git-send-email-nicolas.ferre@atmel.com/
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Reported-by: Clément Léger <clement.leger@bootlin.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20210730172729.28093-1-nicolas.ferre@microchip.com/
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 1e6bc5987a5252948e3411e5a2dbb434fd1ea107 ]
Swap reg and reg-names order and drop adi,input-justification
and adi,input-style to fix the following dtbs_check warnings:
arch/arm/boot/dts/stm32mp157a-dhcor-avenger96.dt.yaml: hdmi-transmitter@3d: adi,input-justification: False schema does not allow ['evenly']
arch/arm/boot/dts/stm32mp157a-dhcor-avenger96.dt.yaml: hdmi-transmitter@3d: adi,input-style: False schema does not allow [[1]]
arch/arm/boot/dts/stm32mp157a-dhcor-avenger96.dt.yaml: hdmi-transmitter@3d: reg-names:1: 'edid' was expected
arch/arm/boot/dts/stm32mp157a-dhcor-avenger96.dt.yaml: hdmi-transmitter@3d: reg-names:2: 'cec' was expected
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Patrick Delaunay <patrick.delaunay@foss.st.com>
Cc: linux-stm32@st-md-mailman.stormreply.com
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 8aec45d7884f16cc21d668693c5b88bff8df0f02 ]
Fix the following dtbs_check warning:
cs42l51@4a: port:endpoint@0:frame-master: True is not of type 'array'
cs42l51@4a: port:endpoint@0:bitclock-master: True is not of type 'array'
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Patrick Delaunay <patrick.delaunay@foss.st.com>
Cc: linux-stm32@st-md-mailman.stormreply.com
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a79e78c391dc074742c855dc0108a88f781d56a3 ]
Fix the following dtbs_check warning:
arch/arm/boot/dts/stm32mp157c-dhcom-pdk2.dt.yaml: codec@a: port:endpoint@0:frame-master: True is not of type 'array'
arch/arm/boot/dts/stm32mp157c-dhcom-pdk2.dt.yaml: codec@a: port:endpoint@0:bitclock-master: True is not of type 'array'
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Patrick Delaunay <patrick.delaunay@foss.st.com>
Cc: kernel@dh-electronics.com
Cc: linux-stm32@st-md-mailman.stormreply.com
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 0dc6c59892ead17a9febd11202c9f6794aac1895 ]
Since new code doesn't take old clk names in account, it does fixes
error:
msm_dsi 4700000.mdss_dsi: dev_pm_opp_set_clkname: Couldn't find clock: -2
and following kernel oops introduced by
b0530eb1191 ("drm/msm/dpu: Use OPP API to set clk/perf state").
Also removes warning about deprecated clock names.
Tested against linux-5.10.y LTS on Nexus 7 2013.
Reviewed-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: David Heidelberg <david@ixit.cz>
Link: https://lore.kernel.org/r/20210707131453.24041-1-david@ixit.cz
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit b30d0289de72c62516df03fdad8d53f552c69839 upstream.
The merge_fdt_bootargs() function by definition consumes more than 1024
bytes of stack because it has a 1024 byte command line on the stack,
meaning that we always get a warning when building this file:
arch/arm/boot/compressed/atags_to_fdt.c: In function 'merge_fdt_bootargs':
arch/arm/boot/compressed/atags_to_fdt.c:98:1: warning: the frame size of 1032 bytes is larger than 1024 bytes [-Wframe-larger-than=]
However, as this is the decompressor and we know that it has a very shallow
call chain, and we do not actually risk overflowing the kernel stack
at runtime here.
This just shuts up the warning by disabling the warning flag for this
file.
Tested on Nexus 7 2012 builds.
Acked-by: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: David Heidelberg <david@ixit.cz>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit bf781869e5cf3e4ec1a47dad69b6f0df97629cbd upstream.
Add pinctrl-names and pinctrl-0 properties on controllers that claims to
use pins to avoid failures due to
commit 2ab73c6d8323 ("gpio: Support GPIO controllers without pin-ranges")
and also to avoid using pins that may be claimed my other IPs.
Fixes: b7c2b6157079 ("ARM: at91: add Atmel's SAMA5D3 Xplained board")
Fixes: 1e5f532c2737 ("ARM: dts: at91: sam9x60: add device tree for soc and board")
Fixes: 38153a017896 ("ARM: at91/dt: sama5d4: add dts for sama5d4 xplained board")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20210727074006.1609989-1-claudiu.beznea@microchip.com
Cc: <stable@vger.kernel.org> # v5.7+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 72ccc373b064ae3ac0c5b5f2306069b60ca118df ]
After enabling CONFIG_REGULATOR_DEBUG=y we observer below debug logs.
Changes help link VCCK and VDDEE pwm regulator to 5V regulator supply
instead of dummy regulator.
[ 7.117140] pwm-regulator regulator-vcck: Looking up pwm-supply from device tree
[ 7.117153] pwm-regulator regulator-vcck: Looking up pwm-supply property in node /regulator-vcck failed
[ 7.117184] VCCK: supplied by regulator-dummy
[ 7.117194] regulator-dummy: could not add device link regulator.8: -ENOENT
[ 7.117266] VCCK: 860 <--> 1140 mV at 986 mV, enabled
[ 7.118498] VDDEE: will resolve supply early: pwm
[ 7.118515] pwm-regulator regulator-vddee: Looking up pwm-supply from device tree
[ 7.118526] pwm-regulator regulator-vddee: Looking up pwm-supply property in node /regulator-vddee failed
[ 7.118553] VDDEE: supplied by regulator-dummy
[ 7.118563] regulator-dummy: could not add device link regulator.9: -ENOENT
Fixes: 087a1d8b4e4c ("ARM: dts: meson8b: ec100: add the VDDEE regulator")
Fixes: 3e7db1c1b7a3 ("ARM: dts: meson8b: ec100: improve the description of the regulators")
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20210705112358.3554-4-linux.amoon@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 632062e540becbbcb067523ec8bcadb1239d9578 ]
After enabling CONFIG_REGULATOR_DEBUG=y we observer below debug logs.
Changes help link VCCK and VDDEE pwm regulator to 5V regulator supply
instead of dummy regulator.
Add missing pwm-supply for regulator-vcck regulator node.
[ 7.117140] pwm-regulator regulator-vcck: Looking up pwm-supply from device tree
[ 7.117153] pwm-regulator regulator-vcck: Looking up pwm-supply property in node /regulator-vcck failed
[ 7.117184] VCCK: supplied by regulator-dummy
[ 7.117194] regulator-dummy: could not add device link regulator.8: -ENOENT
[ 7.117266] VCCK: 860 <--> 1140 mV at 986 mV, enabled
[ 7.118498] VDDEE: will resolve supply early: pwm
[ 7.118515] pwm-regulator regulator-vddee: Looking up pwm-supply from device tree
[ 7.118526] pwm-regulator regulator-vddee: Looking up pwm-supply property in node /regulator-vddee failed
[ 7.118553] VDDEE: supplied by regulator-dummy
[ 7.118563] regulator-dummy: could not add device link regulator.9: -ENOENT
Fixes: dee51cd0d2e8 ("ARM: dts: meson8b: mxq: add the VDDEE regulator")
Fixes: d94f60e3dfa0 ("ARM: dts: meson8b: mxq: improve support for the TRONFY MXQ S805")
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20210705112358.3554-3-linux.amoon@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 876228e9f935f19c7afc7ba394d17e2ec9143b65 ]
After enabling CONFIG_REGULATOR_DEBUG=y we observe below debug logs.
Changes help link VCCK and VDDEE pwm regulator to 5V regulator supply
instead of dummy regulator.
[ 7.117140] pwm-regulator regulator-vcck: Looking up pwm-supply from device tree
[ 7.117153] pwm-regulator regulator-vcck: Looking up pwm-supply property in node /regulator-vcck failed
[ 7.117184] VCCK: supplied by regulator-dummy
[ 7.117194] regulator-dummy: could not add device link regulator.8: -ENOENT
[ 7.117266] VCCK: 860 <--> 1140 mV at 986 mV, enabled
[ 7.118498] VDDEE: will resolve supply early: pwm
[ 7.118515] pwm-regulator regulator-vddee: Looking up pwm-supply from device tree
[ 7.118526] pwm-regulator regulator-vddee: Looking up pwm-supply property in node /regulator-vddee failed
[ 7.118553] VDDEE: supplied by regulator-dummy
[ 7.118563] regulator-dummy: could not add device link regulator.9: -ENOENT
Fixes: 524d96083b66 ("ARM: dts: meson8b: odroidc1: add the CPU voltage regulator")
Fixes: 8bdf38be712d ("ARM: dts: meson8b: odroidc1: add the VDDEE regulator")
Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
[narmstrong: fixed typo in commit s/observer/observe/]
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20210705112358.3554-2-linux.amoon@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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