* pm-opp: (24 commits)
PM / OPP: Expose _of_get_opp_desc_node as dev_pm_opp API
PM / OPP: Make _find_opp_table_unlocked() static
PM / OPP: Update Documentation to remove RCU specific bits
PM / OPP: Simplify dev_pm_opp_get_max_volt_latency()
PM / OPP: Simplify _opp_set_availability()
PM / OPP: Move away from RCU locking
PM / OPP: Take kref from _find_opp_table()
PM / OPP: Update OPP users to put reference
PM / OPP: Add 'struct kref' to struct dev_pm_opp
PM / OPP: Use dev_pm_opp_get_opp_table() instead of _add_opp_table()
PM / OPP: Take reference of the OPP table while adding/removing OPPs
PM / OPP: Return opp_table from dev_pm_opp_set_*() routines
PM / OPP: Add 'struct kref' to OPP table
PM / OPP: Add per OPP table mutex
PM / OPP: Split out part of _add_opp_table() and _remove_opp_table()
PM / OPP: Don't expose srcu_head to register notifiers
PM / OPP: Rename dev_pm_opp_get_suspend_opp() and return OPP rate
PM / OPP: Don't allocate OPP table from _opp_allocate()
PM / OPP: Rename and split _dev_pm_opp_remove_table()
PM / OPP: Add light weight _opp_free() routine
...
Pull ARM fixes from Russell King:
"A couple more fixes for 4.10:
- fix addressing the short regset write issue (Dave Martin)
- fix for LPAE systems which leave a pending imprecise data abort
before entering the kernel (Alexander Sverdlin)"
* 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8643/3: arm/ptrace: Preserve previous registers for short regset write
ARM: 8642/1: LPAE: catch pending imprecise abort on unmask
The symbols can no longer be used as loadable modules, leading to a harmless Kconfig
warning:
arch/arm/configs/imote2_defconfig:60:warning: symbol value 'm' invalid for NF_CT_PROTO_UDPLITE
arch/arm/configs/imote2_defconfig:59:warning: symbol value 'm' invalid for NF_CT_PROTO_SCTP
arch/arm/configs/ezx_defconfig:68:warning: symbol value 'm' invalid for NF_CT_PROTO_UDPLITE
arch/arm/configs/ezx_defconfig:67:warning: symbol value 'm' invalid for NF_CT_PROTO_SCTP
Let's make them built-in.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
More consistent naming for some orion5x based boards helping the
switch to device tree for debian users.
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Merge tag 'mvebu-fixes-4.10-1' of git://git.infradead.org/linux-mvebu into fixes
Pull "mvebu fixes for 4.10 (part 1)" from Gregory CLEMENT:
More consistent naming for some orion5x based boards helping the
switch to device tree for debian users.
* tag 'mvebu-fixes-4.10-1' of git://git.infradead.org/linux-mvebu:
ARM: orion5x: fix Makefile for linkstation-lschl.dtb
ARM: dts: orion5x-lschl: More consistent naming on linkstation series
ARM: dts: orion5x-lschl: Fix model name
The rename of orion5x-lschl.dts needs to be reflected in the Makefile:
make[3]: *** No rule to make target 'arch/arm/boot/dts/orion5x-lschl.dtb', needed by '__build'.
Fixes: 6cfd3cd8d8 ("ARM: dts: orion5x-lschl: More consistent naming on linkstation series")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
DTS files, which includes orion5x-linkstation.dtsi, are named:
orion5x-linkstation-*.dts
So we rename the file below:
arch/arm/boot/dts/orion5x-lschl.dts
to the new name:
arch/arm/boot/dts/orion5x-linkstation-lschl.dts
Because DTS conversion of this device was just introduced in 4.9, Debian
is still using legacy device support, other distros are the same,
so here we won't expect any impact actually.
Fixes: f94f268979 ("ARM: dts: orion5x: convert ls-chl to FDT")
Cc: Ashley Hughes <ashley.hughes@blueyonder.co.uk>
Signed-off-by: Roger Shimizu <rogershimizu@gmail.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Model name should be consistent with legacy device file, so that user
can migrate their system from legacy device support to device-tree
safely.
Legacy device file is currently removed, but it can be found on 4.8
or previous version of linux:
arch/arm/mach-orion5x/ls-chl-setup.c
Fixes: f94f268979 ("ARM: dts: orion5x: convert ls-chl to FDT")
Cc: Ashley Hughes <ashley.hughes@blueyonder.co.uk>
Signed-off-by: Roger Shimizu <rogershimizu@gmail.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Ensure that if userspace supplies insufficient data to
PTRACE_SETREGSET to fill all the registers, the thread's old
registers are preserved.
Cc: <stable@vger.kernel.org> # 3.0.x-
Fixes: 5be6f62b00 ("ARM: 6883/1: ptrace: Migrate to regsets framework")
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Asynchronous external abort is coded differently in DFSR with LPAE enabled.
Fixes: 9254970c "ARM: 8447/1: catch pending imprecise abort on unmask".
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This patch updates dev_pm_opp_find_freq_*() routines to get a reference
to the OPPs returned by them.
Also updates the users of dev_pm_opp_find_freq_*() routines to call
dev_pm_opp_put() after they are done using the OPPs.
As it is guaranteed the that OPPs wouldn't get freed while being used,
the RCU read side locking present with the users isn't required anymore.
Drop it as well.
This patch also updates all users of devfreq_recommended_opp() which was
returning an OPP received from the OPP core.
Note that some of the OPP core routines have gained
rcu_read_{lock|unlock}() calls, as those still use RCU specific APIs
within them.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com> [Devfreq]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Since v4.10-rc1, xhci is complaining in loop with :
[ 801.953836] usb usb6-port1: Cannot enable. Maybe the USB cable is bad?
[ 801.960455] xhci-hcd xhci-hcd.0.auto: Cannot set link state.
[ 801.966611] usb usb6-port1: cannot disable (err = -32)
set property "snps,dis_u3_susphy_quirk" in DT fix it.
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Merge tag 'sti-dt-for-v4.10-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/pchotard/sti into fixes
STi DT fix:
Since v4.10-rc1, xhci is complaining in loop with :
[ 801.953836] usb usb6-port1: Cannot enable. Maybe the USB cable is bad?
[ 801.960455] xhci-hcd xhci-hcd.0.auto: Cannot set link state.
[ 801.966611] usb usb6-port1: cannot disable (err = -32)
set property "snps,dis_u3_susphy_quirk" in DT fix it.
* tag 'sti-dt-for-v4.10-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/pchotard/sti:
ARM: dts: STiH407-family: set snps,dis_u3_susphy_quirk
Signed-off-by: Olof Johansson <olof@lixom.net>
- Fix a 'defined but not used' warning in MMDC driver when
CONFIG_PERF_EVENTS is disabled.
- Fix i.MX6DL device tree GPIO4_11 range setting.
- A bandaid fix for boot failure found on a couple of platforms due to
missing 'chosen' and 'memory' node.
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Merge tag 'imx-fixes-4.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into HEAD
Pull "i.MX fixes for 4.10, 3rd round" from Shawn Guo:
- Fix a 'defined but not used' warning in MMDC driver when
CONFIG_PERF_EVENTS is disabled.
- Fix i.MX6DL device tree GPIO4_11 range setting.
- A bandaid fix for boot failure found on a couple of platforms due to
missing 'chosen' and 'memory' node.
* tag 'imx-fixes-4.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: dts: imx: Pass 'chosen' and 'memory' nodes
ARM: dts: imx6dl: fix GPIO4 range
ARM: imx: hide unused variable in #ifdef
Since v4.10-rc1, the following logs appears in loop :
[ 801.953836] usb usb6-port1: Cannot enable. Maybe the USB cable is bad?
[ 801.960455] xhci-hcd xhci-hcd.0.auto: Cannot set link state.
[ 801.966611] usb usb6-port1: cannot disable (err = -32)
[ 806.083772] usb usb6-port1: Cannot enable. Maybe the USB cable is bad?
[ 806.090370] xhci-hcd xhci-hcd.0.auto: Cannot set link state.
[ 806.096494] usb usb6-port1: cannot disable (err = -32)
After analysis, xhci try to set link in U3 and returns an error.
Using snps,dis_u3_susphy_quirk fix this issue.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Commit 7f107887d1 ("ARM: dts: imx: Remove skeleton.dtsi") causes boot
issues when the bootloader does not create a 'chosen' node if such node
is not present in the dtb.
The reason for the boot failure is well explained by Javier Martinez
Canillas: "the decompressor relies on a pre-existing chosen node to be
available to insert the command line and merge other ATAGS info."
, so pass an empty 'chosen' node to fix the boot problem.
This issue has been seen in the kernelci reports with Barebox as
bootloader.
Also pass the 'memory' node in order to fix boot issues on the SolidRun
iMX6 platforms.
Fixes: 7f107887d1 ("ARM: dts: imx: Remove skeleton.dtsi")
Reported-by: kernelci.org bot <bot@kernelci.org>
Reported-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
GPIO4_11 is on pin 152(MX6DL_PAD_KEY_ROW2) and not on pin
151(MX6DL_PAD_KEY_ROW1).
I found the error while booting a mainline kernel on APF6S SoM and
noticed the following message:
[ 2.609337] imx6dl-pinctrl 20e0000.iomuxc: pin MX6DL_PAD_KEY_ROW1
already requested by 20a8000.gpio:105; cannot claim for 20a8000.gpio:107
[ 2.621884] imx6dl-pinctrl 20e0000.iomuxc: pin-151 (20a8000.gpio:107)
status -22
[ 2.629303] spi_imx 2008000.ecspi: Can't get CS GPIO 107
With this patch, the message is gone and spi_imx driver probes correctly.
Fixes: bb728d662b ("ARM: dts: add gpio-ranges property to iMX GPIO controllers")
Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
A bugfix added a new local variable that is only used inside of an #ifdef
section, and unused if CONFIG_PERF_EVENTS is disabled:
arch/arm/mach-imx/mmdc.c:63:25: warning: 'cpuhp_mmdc_state' defined but not used [-Wunused-variable]
This moves the variable down inside that same ifdef.
Fixes: a051f220d6 ("ARM/imx/mmcd: Fix broken cpu hotplug handling")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
ARM:
- Fix for timer setup on VHE machines
- Drop spurious warning when the timer races against the vcpu running
again
- Prevent a vgic deadlock when the initialization fails (for stable)
s390:
- Fix a kernel memory exposure (for stable)
x86:
- Fix exception injection when hypercall instruction cannot be patched
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Radim Krčmář:
"ARM:
- Fix for timer setup on VHE machines
- Drop spurious warning when the timer races against the vcpu running
again
- Prevent a vgic deadlock when the initialization fails (for stable)
s390:
- Fix a kernel memory exposure (for stable)
x86:
- Fix exception injection when hypercall instruction cannot be
patched"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: s390: do not expose random data via facility bitmap
KVM: x86: fix fixing of hypercalls
KVM: arm/arm64: vgic: Fix deadlock on error handling
KVM: arm64: Access CNTHCTL_EL2 bit fields correctly on VHE systems
KVM: arm/arm64: Fix occasional warning from the timer work function
We've been sitting on fixes for a while, and they keep trickling in at a low
rate. Nothing in here comes across as particularly scary or noteworthy, for
the most part it's a large collection of small DT tweaks.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"We've been sitting on fixes for a while, and they keep trickling in at
a low rate. Nothing in here comes across as particularly scary or
noteworthy, for the most part it's a large collection of small DT
tweaks"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (24 commits)
ARM: dts: da850-evm: fix read access to SPI flash
ARM: dts: omap3: Fix Card Detect and Write Protect on Logic PD SOM-LV
ARM64: dts: meson-gxbb-odroidc2: Disable SCPI DVFS
ARM: dts: OMAP5 / DRA7: indicate that SATA port 0 is available.
ARM: dts: NSP: Fix DT ranges error
ARM: multi_v7_defconfig: set bcm47xx watchdog
ARM: multi_v7_defconfig: fix config typo
ARM: dts: dra72-evm-revc: fix typo in ethernet-phy node
soc: ti: wkup_m3_ipc: Fix error return code in wkup_m3_ipc_probe()
ARM: ux500: fix prcmu_is_cpu_in_wfi() calculation
ARM: dts: sunxi: Change node name for pwrseq pin on Olinuxino-lime2-emmc
ARM: dts: sun8i: Support DTB build for NanoPi M1
ARM: dts: sun6i: hummingbird: Enable display engine again
ARM: dts: sun6i: Disable display pipeline by default
ARM, ARM64: dts: drop "arm,amba-bus" in favor of "simple-bus" part 3
ARM: dts: imx6qdl-nitrogen6_som2: fix sgtl5000 pinctrl init
ARM: dts: imx6qdl-nitrogen6_max: fix sgtl5000 pinctrl init
ARM: OMAP1: DMA: Correct the number of logical channels
ARM: dts: am335x-icev2: Remove the duplicated pinmux setting
ARM: OMAP2+: Fix WL1283 Bluetooth Baud Rate
...
Read access to the SPI flash are broken on da850-evm, i.e. the data
read is not what is actually programmed on the flash.
According to the datasheet for the M25P64 part present on the da850-evm,
if the SPI frequency is higher than 20MHz then the READ command is not
usable anymore and only the FAST_READ command can be used to read data.
This commit specifies in the DTS that we should use FAST_READ command
instead of the READ command.
Cc: stable@vger.kernel.org
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Fabien Parent <fparent@baylibre.com>
[nsekhar@ti.com: subject line adjustment]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
omap1, and then a handful of trivial fixes for boards and devices to
work:
- Fixes TI wilink bluetooth strange platform data baud rate
- Remove duplicate pinmux line for am335x-icev2
- Fix omap1 dma regression
- Fix uninitialized return value for wkup_m3_ipc_probe()
- Fix Ethernet PHY binding typo for dra72-evm
- Fix init for omap5 and dra7 sata ports
- Fix mmc card detect pin for Logic PD SOM-LV
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Merge tag 'omap-for-v4.10/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Fixes for omaps for v4.10-rc cycle. Mostly a DMA regression fix for
omap1, and then a handful of trivial fixes for boards and devices to
work:
- Fixes TI wilink bluetooth strange platform data baud rate
- Remove duplicate pinmux line for am335x-icev2
- Fix omap1 dma regression
- Fix uninitialized return value for wkup_m3_ipc_probe()
- Fix Ethernet PHY binding typo for dra72-evm
- Fix init for omap5 and dra7 sata ports
- Fix mmc card detect pin for Logic PD SOM-LV
* tag 'omap-for-v4.10/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: omap3: Fix Card Detect and Write Protect on Logic PD SOM-LV
ARM: dts: OMAP5 / DRA7: indicate that SATA port 0 is available.
ARM: dts: dra72-evm-revc: fix typo in ethernet-phy node
soc: ti: wkup_m3_ipc: Fix error return code in wkup_m3_ipc_probe()
ARM: OMAP1: DMA: Correct the number of logical channels
ARM: dts: am335x-icev2: Remove the duplicated pinmux setting
ARM: OMAP2+: Fix WL1283 Bluetooth Baud Rate
Signed-off-by: Olof Johansson <olof@lixom.net>
Pull ARM fixes from Russell King:
"A few ARM fixes:
- fix a crash while performing TLB maintanence on early ARM SMP cores
- blacklist Scorpion CPUs for hardware breakpoints
- ARMs asm/types.h has been included as part of the UAPI due to the
way the makefiles work, move it to uapi/asm/types.h to make it
official
- fix up ftrace syscall name matching"
* 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8613/1: Fix the uaccess crash on PB11MPCore
MAINTAINERS: update rmk's entries
ARM: put types.h in uapi
ARM: 8634/1: hw_breakpoint: blacklist Scorpion CPUs
ARM: 8632/1: ftrace: fix syscall name matching
This fixes commit ab8dd3aed0 ("ARM: DTS: Add minimal Support for
Logic PD DM3730 SOM-LV") where the Card Detect and Write Protect
pins were improperly configured.
Fixes: ab8dd3aed0 ("ARM: DTS: Add minimal Support for
Logic PD DM3730 SOM-LV")
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
pull the following:
- Jon fixes an invalid value for the "ranges" property of the bus nodes on NorthStar
Plus SoCs
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Merge tag 'arm-soc/for-4.10/devicetree-fixes' of http://github.com/Broadcom/stblinux into fixes
This pull request contains Broadcom ARM-based SoC Device Tree fixes for v4.10, please
pull the following:
- Jon fixes an invalid value for the "ranges" property of the bus nodes on NorthStar
Plus SoCs
* tag 'arm-soc/for-4.10/devicetree-fixes' of http://github.com/Broadcom/stblinux:
ARM: dts: NSP: Fix DT ranges error
Signed-off-by: Olof Johansson <olof@lixom.net>
SoCs, please pull the following changes:
- Valenting fixes two incorrect Kconfig symbols for BCM47xx: NVRAM and watchdog drivers
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Merge tag 'arm-soc/for-4.10/defconfig-fixes' of http://github.com/Broadcom/stblinux into fixes
This pull request contains fixes to multi_v7_defconfig for Broadcom ARM-based
SoCs, please pull the following changes:
- Valenting fixes two incorrect Kconfig symbols for BCM47xx: NVRAM and watchdog drivers
* tag 'arm-soc/for-4.10/defconfig-fixes' of http://github.com/Broadcom/stblinux:
ARM: multi_v7_defconfig: set bcm47xx watchdog
ARM: multi_v7_defconfig: fix config typo
Signed-off-by: Olof Johansson <olof@lixom.net>
A few fixes here and there to enable the build of some DT leftover, prevent
display issues or setup a proper muxing.
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Merge tag 'sunxi-fixes-for-4.10' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into fixes
Allwinner fixes for 4.10
A few fixes here and there to enable the build of some DT leftover, prevent
display issues or setup a proper muxing.
* tag 'sunxi-fixes-for-4.10' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
ARM: dts: sunxi: Change node name for pwrseq pin on Olinuxino-lime2-emmc
ARM: dts: sun8i: Support DTB build for NanoPi M1
ARM: dts: sun6i: hummingbird: Enable display engine again
ARM: dts: sun6i: Disable display pipeline by default
Signed-off-by: Olof Johansson <olof@lixom.net>
- A couple of Nitrogen6 device tree fixes for audio codec probe
failure, which is caused by that pinctrl setting for codec clock
was not in the correct device node.
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Merge tag 'imx-fixes-4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes
i.MX fixes for 4.10, 2nd round:
- A couple of Nitrogen6 device tree fixes for audio codec probe
failure, which is caused by that pinctrl setting for codec clock
was not in the correct device node.
* tag 'imx-fixes-4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: dts: imx6qdl-nitrogen6_som2: fix sgtl5000 pinctrl init
ARM: dts: imx6qdl-nitrogen6_max: fix sgtl5000 pinctrl init
Signed-off-by: Olof Johansson <olof@lixom.net>
The following patch was sketched by Russell in response to my
crashes on the PB11MPCore after the patch for software-based
priviledged no access support for ARMv8.1. See this thread:
http://marc.info/?l=linux-arm-kernel&m=144051749807214&w=2
I am unsure what is going on, I suspect everyone involved in
the discussion is. I just want to repost this to get the
discussion restarted, as I still have to apply this patch
with every kernel iteration to get my PB11MPCore Realview
running.
Testing by Neil Armstrong on the Oxnas NAS has revealed that
this bug exist also on that widely deployed hardware, so
we are probably currently regressing all ARM11MPCore systems.
Cc: Russell King <linux@armlinux.org.uk>
Cc: Will Deacon <will.deacon@arm.com>
Fixes: a5e090acbf ("ARM: software-based priviledged-no-access support")
Tested-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
AHCI provides the register PORTS_IMPL to let the software know which port
is supported. The register must be initialized by the bootloader. However
in some cases u-boot doesn't properly initialize this value (if it is not
compiled with SATA support for example or if the SATA initialization fails).
The DTS entry "ports-implemented" can be used to override the value in
PORTS_IMPL.
Without this patch the SATA will not work in the following two cases:
* if there has been a failure to initialize SATA in u-boot.
* if ahci_platform module has been removed and re-inserted. The reason is
that the content of PORTS_IMPL is lost after the module is removed.
I suspect that it's because the controller is reset by the hwmod.
Cc: <stable@vger.kernel.org> # v4.6+
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Acked-by: Roger Quadros <rogerq@ti.com>
[tony@atomide.com: updated comments with what goes wrong]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Due to the way kbuild works, this header was unintentionally exported
back in 2013 when it was created, despite it not being in a uapi/
directory. This is very non-intuitive behaviour by Kbuild.
However, we've had this include exported to userland for almost four
years, and searching google for "ARM types.h __UINTPTR_TYPE__" gives
no hint that anyone has complained about it. So, let's make it
officially exported in this state.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Current KVM world switch code is unintentionally setting wrong bits to
CNTHCTL_EL2 when E2H == 1, which may allow guest OS to access physical
timer. Bit positions of CNTHCTL_EL2 are changing depending on
HCR_EL2.E2H bit. EL1PCEN and EL1PCTEN are 1st and 0th bits when E2H is
not set, but they are 11th and 10th bits respectively when E2H is set.
In fact, on VHE we only need to set those bits once, not for every world
switch. This is because the host kernel runs in EL2 with HCR_EL2.TGE ==
1, which makes those bits have no effect for the host kernel execution.
So we just set those bits once for guests, and that's it.
Signed-off-by: Jintack Lim <jintack@cs.columbia.edu>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
The range size for axi is 0x2 bytes too small, as the QSPI needs
0x11c408 + 0x004 (which is 0x0011c40c, not 0x0011c40a). No errors have
been observed with this shortcoming, but fixing it for correctness.
Fixes: 329f98c197 ("ARM: dts: NSP: Add QSPI nodes to NSPI and bcm958625k DTSes")
Signed-off-by: Jon Mason <jon.mason@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Fix a typo in impedance setting for ethernet-phy@3
Fixes: b76db38cd8 ("ARM: dts: dra72-evm-revc: add phy impedance settings")
Cc: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This function clearly never worked and always returns true,
as pointed out by gcc-7:
arch/arm/mach-ux500/pm.c: In function 'prcmu_is_cpu_in_wfi':
arch/arm/mach-ux500/pm.c:137:212: error: ?:
using integer constants in boolean context, the expression
will always evaluate to 'true' [-Werror=int-in-bool-context]
With the added braces, the condition actually makes sense.
Fixes: 34fe6f107e ("mfd : Check if the other db8500 core is in WFI")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
On APQ8060, the kernel crashes in arch_hw_breakpoint_init, taking an
undefined instruction trap within write_wb_reg. This is because Scorpion
CPUs erroneously appear to set DBGPRSR.SPD when WFI is issued, even if
the core is not powered down. When DBGPRSR.SPD is set, breakpoint and
watchpoint registers are treated as undefined.
It's possible to trigger similar crashes later on from userspace, by
requesting the kernel to install a breakpoint or watchpoint, as we can
go idle at any point between the reset of the debug registers and their
later use. This has always been the case.
Given that this has always been broken, no-one has complained until now,
and there is no clear workaround, disable hardware breakpoints and
watchpoints on Scorpion to avoid these issues.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reported-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
ARM has a few system calls (most notably mmap) for which the names of
the functions which are referenced in the syscall table do not match the
names of the syscall tracepoints. As a consequence of this, these
tracepoints are not made available. Implement
arch_syscall_match_sym_name to fix this and allow tracing even these
system calls.
Signed-off-by: Rabin Vincent <rabinv@axis.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The node name for the power seq pin is mmc2@0 like the mmc2_pins_a one.
This makes the original node (mmc2_pins_a) scrapped out of the dtb and
result in a unusable eMMC if U-Boot didn't configured the pins to the
correct functions.
Signed-off-by: Emmanuel Vadot <manu@bidouilliste.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Now that we disable the display engine by default, we need to re-enable
it for the Hummingbird A31, which already had its display pipeline
enabled.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
While we now support the internal display pipeline found on sun6i, it
is possible that we are unable to enable the display for some boards,
due to a lack of drivers for the panels or bridges found on them. If
the display pipeline is enabled, the driver will try to enable, and
possibly screw up the simple framebuffer U-boot had configured.
Disable the display pipeline by default.
Fixes: 6d0e5b70be ("ARM: dts: sun6i: Add device nodes for first
display pipeline")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Tree-wide replacement was done by commit 2ef7d5f342 ("ARM, ARM64:
dts: drop "arm,amba-bus" in favor of "simple-bus"), then the 2nd
round by commit 15b7cc78f0 ("arm64: dts: drop "arm,amba-bus" in
favor of "simple-bus" part 2").
Here, some new users have appeared for Linux v4.10-rc1. Eliminate
them now.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Since the codec is probed first, the pinctrl node should be
under the codec node.
The codec init was working for this board since U-Boot was
already setting GPIO_0 as CLKO1 but better fix it anyway.
Fixes: 3faa1bb2e8 ("ARM: dts: imx: add Boundary Devices Nitrogen6_SOM2 support")
Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This patch fixes the following error:
sgtl5000 0-000a: Error reading chip id -6
imx-sgtl5000 sound: ASoC: CODEC DAI sgtl5000 not registered
imx-sgtl5000 sound: snd_soc_register_card failed (-517)
The problem was that the pinctrl group was linked to the sound driver
instead of the codec node. Since the codec is probed first, the sys_mclk
was missing and it would therefore fail to initialize.
Fixes: b32e700256 ("ARM: dts: imx: add Boundary Devices Nitrogen6_Max board")
Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
OMAP1510, OMAP5910 and OMAP310 have only 9 logical channels.
OMAP1610, OMAP5912, OMAP1710, OMAP730, and OMAP850 have 16 logical channels
available.
The wired 17 for the lch_count must have been used to cover the 16 + 1
dedicated LCD channel, in reality we can only use 9 or 16 channels.
The d->chan_count is not used by the omap-dma stack, so we can skip the
setup. chan_count was configured to the number of logical channels and not
the actual number of physical channels anyways.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
There is no mmc sd card detect on am335x-ice board. But the spi0_cs1
pin being configured as mmcsd_cd. Removing it fixes the below warning
during boot:
pinctrl-single 44e10800.pinmux: pin 44e10960.0 already
requested by 48030000.spi; cannot claim for 48060000.mmc
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
[tony@atomide.com: tidied up commit message]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Commit 485fa1261f ("ARM: OMAP2+: LogicPD Torpedo + Wireless: Add Bluetooth")
set the wrong baud rate for the UART. The Baud rate was 300,000 and it should
be 3,000,000 for WL1283.
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
1) Fix two instances of infinite loop occurring in
clock list for DA850. This fixes kernel hangs in some
instances and so have been marked for stable kernel.
2) Fix for sleeping function called from atomic context
with USB 2.0 clock management code introduced in v4.10
merge window.
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Merge tag 'davinci-fixes-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into fixes
Pull "DaVinci fixes for v4.10" from Sekhar Nori:
This pull request contains fixes for the following issues
1) Fix two instances of infinite loop occurring in
clock list for DA850. This fixes kernel hangs in some
instances and so have been marked for stable kernel.
2) Fix for sleeping function called from atomic context
with USB 2.0 clock management code introduced in v4.10
merge window.
* tag 'davinci-fixes-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: davinci: da8xx: Fix sleeping function called from invalid context
ARM: davinci: Make __clk_{enable,disable} functions public
ARM: davinci: da850: don't add emac clock to lookup table twice
ARM: davinci: da850: fix infinite loop in clk_set_rate()
