Feiyang FY07024DI26A30-D MIPI_DSI panel is desiged to attach with
DSI connector on pine64 boards, enable the same for pine64 sopine.
DSI panel connected via board DSI port with,
- DC1SW as AVDD supply
- DLDO2 as DVDD supply
- DLDO1 as VCC-DSI supply
- PD24 gpio for reset pin
- PH10 gpio for backlight enable pin
Signed-off-by: Alistair Francis <alistair@alistair23.me>
Add MIPI DSI pipeline for Allwinner A64.
- dsi node, with A64 compatible since it doesn't support
DSI_SCLK gating unlike A33
- dphy node, with A64 compatible with A33 fallback since
DPHY on A64 and A33 is similar
- finally, attach the dsi_in to tcon0 for complete MIPI DSI
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Tested-by: Merlijn Wajer <merlijn@wizzup.org>
Message-Id: <20191203134816.5319-7-jagan@amarulasolutions.com>
Pinebook has an ANX6345 bridge connected to the RGB666 LCD output and
eDP panel input. The bridge is controlled via I2C that's connected to
R_I2C bus.
There're pinebooks with 3 different panels in the wild, all 3 with
different timings. Add all the compatibles to panel node and hope that
we can get correct timings from EDID. If reading EDID fails it's up to
firmware to fixup compatible string.
Enable all this hardware in device tree.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
SoPine has optional RTL8723BS WiFi + BT module, BT is connected to UART1
and uses PL4 as BT reset, PL5 as device wake GPIO, PL6 as host wake GPIO
the I2C controlling signals are connected to R_I2C bus.
Enable it in the device tree.
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Pine64 has optional RTL8723BS WiFi + BT module, BT is connected to UART1
and uses PL4 as BT reset, PL5 as device wake GPIO, PL6 as host wake GPIO
the I2C controlling signals are connected to R_I2C bus.
Enable it in the device tree.
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Pinebook has an RTL8723CS WiFi + BT chip, BT is connected to UART1
and uses PL4 as BT reset, PL5 as device wake GPIO, PL6 as host wake GPIO
the I2C controlling signals are connected to R_I2C bus.
Enable it in the device tree.
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Some Pine64+ boards have a broken RTL8211E PHY, which cannot work
reliably in 1000Base-T mode with default configuration.
A solution is passed to Pine64, which is said to be disabling the
internal RX delay of the PHY.
Enable the hack by set the PHY mode to RGMII-TXID.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
The Wi-Fi modules of Pine64 is powered via DLDO4 and ELDO1 (the latter
one provides I/O voltage).
Add device node for it.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
There are two sensors, one for CPU, one for GPU.
Signed-off-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
There are two sensors, one for CPU, one for GPU.
Signed-off-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
I've been sitting on these longer than I meant, so the patch count is
a bit higher than ideal for this part of the release. There's also some
reverts of double-applied patches that brings the diffstat up a bit.
With that said, the biggest changes are:
- Revert of duplicate i2c device addition on two Aspeed (BMC) Devicetrees.
- Move of two device nodes that got applied to the wrong part of the
tree on ASpeed G6.
- Regulator fix for Beaglebone X15 (adding 12/5V supplies)
- Use interrupts for keys on Amlogic SM1 to avoid missed polls
In addition to that, there is a collection of smaller DT fixes:
- Power supply assignment fixes for i.MX6
- Fix of interrupt line for magnetometer on i.MX8 Librem5 devkit
- Build fixlets (selects) for davinci/omap2+
- More interrupt number fixes for Stratix10, Amlogic SM1, etc.
- ... and more similar fixes across different platforms
And some non-DT stuff:
- optee fix to register multiple shared pages properly
- Clock calculation fixes for MMP3
- Clock fixes for OMAP as well
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Olof Johansson:
"I've been sitting on these longer than I meant, so the patch count is
a bit higher than ideal for this part of the release. There's also
some reverts of double-applied patches that brings the diffstat up a
bit.
With that said, the biggest changes are:
- Revert of duplicate i2c device addition on two Aspeed (BMC)
Devicetrees.
- Move of two device nodes that got applied to the wrong part of the
tree on ASpeed G6.
- Regulator fix for Beaglebone X15 (adding 12/5V supplies)
- Use interrupts for keys on Amlogic SM1 to avoid missed polls
In addition to that, there is a collection of smaller DT fixes:
- Power supply assignment fixes for i.MX6
- Fix of interrupt line for magnetometer on i.MX8 Librem5 devkit
- Build fixlets (selects) for davinci/omap2+
- More interrupt number fixes for Stratix10, Amlogic SM1, etc.
- ... and more similar fixes across different platforms
And some non-DT stuff:
- optee fix to register multiple shared pages properly
- Clock calculation fixes for MMP3
- Clock fixes for OMAP as well"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (42 commits)
MAINTAINERS: Add myself as the co-maintainer for Actions Semi platforms
ARM: dts: imx7: Fix Toradex Colibri iMX7S 256MB NAND flash support
ARM: dts: imx6sll-evk: Remove incorrect power supply assignment
ARM: dts: imx6sl-evk: Remove incorrect power supply assignment
ARM: dts: imx6sx-sdb: Remove incorrect power supply assignment
ARM: dts: imx6qdl-sabresd: Remove incorrect power supply assignment
ARM: dts: imx6q-icore-mipi: Use 1.5 version of i.Core MX6DL
ARM: omap2plus: select RESET_CONTROLLER
ARM: davinci: select CONFIG_RESET_CONTROLLER
ARM: dts: aspeed: rainier: Fix fan fault and presence
ARM: dts: aspeed: rainier: Remove duplicate i2c busses
ARM: dts: aspeed: tacoma: Remove duplicate flash nodes
ARM: dts: aspeed: tacoma: Remove duplicate i2c busses
ARM: dts: aspeed: tacoma: Fix fsi master node
ARM: dts: aspeed-g6: Fix FSI master location
ARM: dts: mmp3: Fix the TWSI ranges
clk: mmp2: Fix the order of timer mux parents
ARM: mmp: do not divide the clock rate
arm64: dts: rockchip: Fix IR on Beelink A1
optee: Fix multi page dynamic shm pool alloc
...
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Merge tag 'clone3-tls-v5.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull thread fixes from Christian Brauner:
"This contains a series of patches to fix CLONE_SETTLS when used with
clone3().
The clone3() syscall passes the tls argument through struct clone_args
instead of a register. This means, all architectures that do not
implement copy_thread_tls() but still support CLONE_SETTLS via
copy_thread() expecting the tls to be located in a register argument
based on clone() are currently unfortunately broken. Their tls value
will be garbage.
The patch series fixes this on all architectures that currently define
__ARCH_WANT_SYS_CLONE3. It also adds a compile-time check to ensure
that any architecture that enables clone3() in the future is forced to
also implement copy_thread_tls().
My ultimate goal is to get rid of the copy_thread()/copy_thread_tls()
split and just have copy_thread_tls() at some point in the not too
distant future (Maybe even renaming copy_thread_tls() back to simply
copy_thread() once the old function is ripped from all arches). This
is dependent now on all arches supporting clone3().
While all relevant arches do that now there are still four missing:
ia64, m68k, sh and sparc. They have the system call reserved, but not
implemented. Once they all implement clone3() we can get rid of
ARCH_WANT_SYS_CLONE3 and HAVE_COPY_THREAD_TLS.
This series also includes a minor fix for the arm64 uapi headers which
caused __NR_clone3 to be missing from the exported user headers.
Unfortunately the series came in a little late especially given that
it touches a range of architectures. Due to the holidays not all arch
maintainers responded in time probably due to their backlog. Will and
Arnd have thankfully acked the arm specific changes.
Given that the changes are straightforward and rather minimal combined
with the fact the that clone3() with CLONE_SETTLS is broken I decided
to send them post rc3 nonetheless"
* tag 'clone3-tls-v5.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
um: Implement copy_thread_tls
clone3: ensure copy_thread_tls is implemented
xtensa: Implement copy_thread_tls
riscv: Implement copy_thread_tls
parisc: Implement copy_thread_tls
arm: Implement copy_thread_tls
arm64: Implement copy_thread_tls
arm64: Move __ARCH_WANT_SYS_CLONE3 definition to uapi headers
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Merge tag 'v5.5-rockchip-dtsfixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/fixes
A fix for the Beelink A1 IR receiver setting the correct polarity.
* tag 'v5.5-rockchip-dtsfixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
arm64: dts: rockchip: Fix IR on Beelink A1
Link: https://lore.kernel.org/r/2054603.JKFSmqfO19@phil
Signed-off-by: Olof Johansson <olof@lixom.net>
- Fix i.MX8MM SDMA1 AHB clock setting to remove a "Timeout waiting for CH0"
error seen with UART1.
- Correct compatible of RV3029 RTC device on imx6q-dhcom board.
- Correct interrupt trigger type for magnetometer on board
imx8mq-librem5-devkit.
- A series from Anson Huang to fix vdd3p0 power supplier for a few NXP
development board.
- Fix imx6q-icore-mipi board to use 1.5 version of i.Core MX6DL, so
that Ethernet interface on the board works properly.
- Fix Toradex Colibri board to get NAND flash support back.
- Fix SGTL5000 VDDIO regulator connection for imx6q-dhcom, which
is connected to PMIC SW2 output rather than a fixed 3V3 rail.
- Fix 'reg' of CPU node on imx7ulp to get rid of a warning given by
kernel.
- Fix endian setting for DCFG on LS1028A SoC, so that register access
of DCFG becomes correct.
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Merge tag 'imx-fixes-5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 5.5, round 2:
- Fix i.MX8MM SDMA1 AHB clock setting to remove a "Timeout waiting for CH0"
error seen with UART1.
- Correct compatible of RV3029 RTC device on imx6q-dhcom board.
- Correct interrupt trigger type for magnetometer on board
imx8mq-librem5-devkit.
- A series from Anson Huang to fix vdd3p0 power supplier for a few NXP
development board.
- Fix imx6q-icore-mipi board to use 1.5 version of i.Core MX6DL, so
that Ethernet interface on the board works properly.
- Fix Toradex Colibri board to get NAND flash support back.
- Fix SGTL5000 VDDIO regulator connection for imx6q-dhcom, which
is connected to PMIC SW2 output rather than a fixed 3V3 rail.
- Fix 'reg' of CPU node on imx7ulp to get rid of a warning given by
kernel.
- Fix endian setting for DCFG on LS1028A SoC, so that register access
of DCFG becomes correct.
* tag 'imx-fixes-5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: dts: imx7: Fix Toradex Colibri iMX7S 256MB NAND flash support
ARM: dts: imx6sll-evk: Remove incorrect power supply assignment
ARM: dts: imx6sl-evk: Remove incorrect power supply assignment
ARM: dts: imx6sx-sdb: Remove incorrect power supply assignment
ARM: dts: imx6qdl-sabresd: Remove incorrect power supply assignment
ARM: dts: imx6q-icore-mipi: Use 1.5 version of i.Core MX6DL
arm64: dts: imx8mq-librem5-devkit: use correct interrupt for the magnetometer
ARM: dts: imx6q-dhcom: Fix SGTL5000 VDDIO regulator connection
ARM: dts: imx7ulp: fix reg of cpu node
arm64: dts: imx8mm: Change SDMA1 ahb clock for imx8mm
arm64: dts: ls1028a: fix endian setting for dcfg
ARM: dts: imx6q-dhcom: fix rtc compatible
Link: https://lore.kernel.org/r/20200110011836.GW4456@T480
Signed-off-by: Olof Johansson <olof@lixom.net>
Previously this was only defined in the internal headers which
resulted in __NR_clone3 not being defined in the user headers.
Signed-off-by: Amanieu d'Antras <amanieu@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: <stable@vger.kernel.org> # 5.3.x
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20200102172413.654385-2-amanieu@gmail.com
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
The ARMv8 64-bit architecture supports execute-only user permissions by
clearing the PTE_USER and PTE_UXN bits, practically making it a mostly
privileged mapping but from which user running at EL0 can still execute.
The downside, however, is that the kernel at EL1 inadvertently reading
such mapping would not trip over the PAN (privileged access never)
protection.
Revert the relevant bits from commit cab15ce604 ("arm64: Introduce
execute-only page access permissions") so that PROT_EXEC implies
PROT_READ (and therefore PTE_USER) until the architecture gains proper
support for execute-only user mappings.
Fixes: cab15ce604 ("arm64: Introduce execute-only page access permissions")
Cc: <stable@vger.kernel.org> # 4.9.x-
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Apparently I wasn't paying enough attention... And nor is the lazy
test of `cat /dev/lirc0` sufficiently blunder-proof. Oh well, with
the correct polarity, let's also hook up a keymap now that one for
the standard Beelink remote has handily appeared.
Fixes: 79702ded8c ("arm64: dts: rockchip: Add Beelink A1")
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/44269c08e2a5d75b03ded87d2eb11621762d8249.1577636223.git.robin.murphy@arm.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
We currently try to shrink a single zone when removing memory. We use
the zone of the first page of the memory we are removing. If that
memmap was never initialized (e.g., memory was never onlined), we will
read garbage and can trigger kernel BUGs (due to a stale pointer):
BUG: unable to handle page fault for address: 000000000000353d
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0
Oops: 0002 [#1] SMP PTI
CPU: 1 PID: 7 Comm: kworker/u8:0 Not tainted 5.3.0-rc5-next-20190820+ #317
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.4
Workqueue: kacpi_hotplug acpi_hotplug_work_fn
RIP: 0010:clear_zone_contiguous+0x5/0x10
Code: 48 89 c6 48 89 c3 e8 2a fe ff ff 48 85 c0 75 cf 5b 5d c3 c6 85 fd 05 00 00 01 5b 5d c3 0f 1f 840
RSP: 0018:ffffad2400043c98 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000200000000 RCX: 0000000000000000
RDX: 0000000000200000 RSI: 0000000000140000 RDI: 0000000000002f40
RBP: 0000000140000000 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000140000
R13: 0000000000140000 R14: 0000000000002f40 R15: ffff9e3e7aff3680
FS: 0000000000000000(0000) GS:ffff9e3e7bb00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000353d CR3: 0000000058610000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__remove_pages+0x4b/0x640
arch_remove_memory+0x63/0x8d
try_remove_memory+0xdb/0x130
__remove_memory+0xa/0x11
acpi_memory_device_remove+0x70/0x100
acpi_bus_trim+0x55/0x90
acpi_device_hotplug+0x227/0x3a0
acpi_hotplug_work_fn+0x1a/0x30
process_one_work+0x221/0x550
worker_thread+0x50/0x3b0
kthread+0x105/0x140
ret_from_fork+0x3a/0x50
Modules linked in:
CR2: 000000000000353d
Instead, shrink the zones when offlining memory or when onlining failed.
Introduce and use remove_pfn_range_from_zone(() for that. We now
properly shrink the zones, even if we have DIMMs whereby
- Some memory blocks fall into no zone (never onlined)
- Some memory blocks fall into multiple zones (offlined+re-onlined)
- Multiple memory blocks that fall into different zones
Drop the zone parameter (with a potential dubious value) from
__remove_pages() and __remove_section().
Link: http://lkml.kernel.org/r/20191006085646.5768-6-david@redhat.com
Fixes: f1dd2cd13c ("mm, memory_hotplug: do not associate hotadded memory to zones until online") [visible after d0dc12e86b]
Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Cc: Michal Hocko <mhocko@suse.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Cc: Pavel Tatashin <pasha.tatashin@soleen.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Logan Gunthorpe <logang@deltatee.com>
Cc: <stable@vger.kernel.org> [5.0+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The LSM9DS1 uses a high level interrupt.
Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Fixes: eb4ea0857c ("arm64: dts: fsl: librem5: Add a device tree for the Librem5 devkit")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Using SDMA1 with UART1 is causing a "Timeout waiting for CH0" error.
This patch changes to ahb clock from SDMA1_ROOT to AHB which
fixes the timeout error.
Fixes: a05ea40eb3 ("arm64: dts: imx: Add i.mx8mm dtsi support")
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
DCFG block uses little endian. Fix it so that register access becomes
correct.
Signed-off-by: Yinbo Zhu <yinbo.zhu@nxp.com>
Acked-by: Yangbo Lu <yangbo.lu@nxp.com>
Fixes: 8897f3255c ("arm64: dts: Add support for NXP LS1028A SoC")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
* Fix a bug where we try to do an ultracall on a system without an ultravisor.
KVM:
- Fix uninitialised sysreg accessor
- Fix handling of demand-paged device mappings
- Stop spamming the console on IMPDEF sysregs
- Relax mappings of writable memslots
- Assorted cleanups
MIPS:
- Now orphan, James Hogan is stepping down
x86:
- MAINTAINERS change, so long Radim and thanks for all the fish
- supported CPUID fixes for AMD machines without SPEC_CTRL
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"PPC:
- Fix a bug where we try to do an ultracall on a system without an
ultravisor
KVM:
- Fix uninitialised sysreg accessor
- Fix handling of demand-paged device mappings
- Stop spamming the console on IMPDEF sysregs
- Relax mappings of writable memslots
- Assorted cleanups
MIPS:
- Now orphan, James Hogan is stepping down
x86:
- MAINTAINERS change, so long Radim and thanks for all the fish
- supported CPUID fixes for AMD machines without SPEC_CTRL"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
MAINTAINERS: remove Radim from KVM maintainers
MAINTAINERS: Orphan KVM for MIPS
kvm: x86: Host feature SSBD doesn't imply guest feature AMD_SSBD
kvm: x86: Host feature SSBD doesn't imply guest feature SPEC_CTRL_SSBD
KVM: PPC: Book3S HV: Don't do ultravisor calls on systems without ultravisor
KVM: arm/arm64: Properly handle faulting of device mappings
KVM: arm64: Ensure 'params' is initialised when looking up sys register
KVM: arm/arm64: Remove excessive permission check in kvm_arch_prepare_memory_region
KVM: arm64: Don't log IMP DEF sysreg traps
KVM: arm64: Sanely ratelimit sysreg messages
KVM: arm/arm64: vgic: Use wrapper function to lock/unlock all vcpus in kvm_vgic_create()
KVM: arm/arm64: vgic: Fix potential double free dist->spis in __kvm_vgic_destroy()
KVM: arm/arm64: Get rid of unused arg in cpu_init_hyp_mode()
- Leftover put_cpu() in the perf/smmuv3 error path.
- Add Hisilicon TSV110 to spectre-v2 safe list
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Leftover put_cpu() in the perf/smmuv3 error path.
- Add Hisilicon TSV110 to spectre-v2 safe list
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: cpu_errata: Add Hisilicon TSV110 to spectre-v2 safe list
perf/smmuv3: Remove the leftover put_cpu() in error path
HiSilicon Taishan v110 CPUs didn't implement CSV2 field of the
ID_AA64PFR0_EL1, but spectre-v2 is mitigated by hardware, so
whitelist the MIDR in the safe list.
Signed-off-by: Wei Li <liwei391@huawei.com>
[hanjun: re-write the commit log]
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Fix up the correct interrupt numbers for the PMU unit on Agilex
and Stratix10.
Fixes: 78cd6a9d8e ("arm64: dts: Add base stratix 10 dtsi")
Cc: linux-stable <stable@vger.kernel.org>
Reported-by: Meng Li <Meng.Li@windriver.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Commit 4b927b94d5 ("KVM: arm/arm64: vgic: Introduce find_reg_by_id()")
introduced 'find_reg_by_id()', which looks up a system register only if
the 'id' index parameter identifies a valid system register. As part of
the patch, existing callers of 'find_reg()' were ported over to the new
interface, but this breaks 'index_to_sys_reg_desc()' in the case that the
initial lookup in the vCPU target table fails because we will then call
into 'find_reg()' for the system register table with an uninitialised
'param' as the key to the lookup.
GCC 10 is bright enough to spot this (amongst a tonne of false positives,
but hey!):
| arch/arm64/kvm/sys_regs.c: In function ‘index_to_sys_reg_desc.part.0.isra’:
| arch/arm64/kvm/sys_regs.c:983:33: warning: ‘params.Op2’ may be used uninitialized in this function [-Wmaybe-uninitialized]
| 983 | (u32)(x)->CRn, (u32)(x)->CRm, (u32)(x)->Op2);
| [...]
Revert the hunk of 4b927b94d5 which breaks 'index_to_sys_reg_desc()' so
that the old behaviour of checking the index upfront is restored.
Fixes: 4b927b94d5 ("KVM: arm/arm64: vgic: Introduce find_reg_by_id()")
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191212094049.12437-1-will@kernel.org
The reboot register isn't located inside the DCFG controller, but in its
own RST controller. Fix it.
Fixes: 8897f3255c ("arm64: dts: Add support for NXP LS1028A SoC")
Signed-off-by: Michael Walle <michael@walle.cc>
Acked-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The temperature sensor may jump backwards because there is a wrong
calibration value. Both values have to be monotonically increasing.
Fix it.
This was tested on a custom board.
Fixes: 571cebfe8e ("arm64: dts: ls1028a: Add Thermal Monitor Unit node")
Signed-off-by: Michael Walle <michael@walle.cc>
Acked-by: Tang Yuantian <andy.tang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
add gpio irq to support interrupt trigger mode.
Signed-off-by: Guillaume La Roque <glaroque@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Switch the GPIO buttons/switches to use interrupts instead of polling.
While at it, add the mic mute switch and the power button.
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
A64-OLinuXino uses DCDC1 (VCC-IO) for MMC1 supply. In commit 916b68cfe4
("arm64: dts: a64-olinuxino: Enable RTL8723BS WiFi") ALDO2 is set, which is
VCC-PL. Since DCDC1 is always present, the boards are working without a
problem.
This patch sets the correct regulator.
Fixes: 916b68cfe4 ("arm64: dts: a64-olinuxino: Enable RTL8723BS WiFi")
Cc: stable@vger.kernel.org # v4.16+
Signed-off-by: Stefan Mavrodiev <stefan@olimex.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
A64-OLinuXino-eMMC uses 1.8V for eMMC supply. This is done via a triple
jumper, which sets VCC-PL to either 1.8V or 3.3V. This setting is different
for boards with and without eMMC.
This is not a big issue for DDR52 mode, however the eMMC will not work in
HS200/HS400, since these modes explicitly requires 1.8V.
Fixes: 94f68f3a4b ("arm64: dts: allwinner: a64: Add A64 OlinuXino board (with eMMC)")
Cc: stable@vger.kernel.org # v5.4
Signed-off-by: Stefan Mavrodiev <stefan@olimex.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
A set of fixes that we've merged late, but for the most part that have
been sitting in -next for a while through platform maintainer trees.
+ Fixes to suspend/resume on Tegra, caused by the added features
this merge window
+ Cleanups and minor fixes to TI additions this merge window
+ Tee fixes queued up late before the merge window, included here.
+ A handful of other fixlets
There's also a refresh of the shareed config files (multi_v* on 32-bit,
and defconfig on 64-bit), to avoid conflicts when we get new
contributions.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Olof Johansson:
"A set of fixes that we've merged late, but for the most part that have
been sitting in -next for a while through platform maintainer trees:
- Fixes to suspend/resume on Tegra, caused by the added features this
merge window
- Cleanups and minor fixes to TI additions this merge window
- Tee fixes queued up late before the merge window, included here.
- A handful of other fixlets
There's also a refresh of the shareed config files (multi_v* on
32-bit, and defconfig on 64-bit), to avoid conflicts when we get new
contributions"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (32 commits)
ARM: multi_v7_defconfig: Restore debugfs support
ARM: defconfig: re-run savedefconfig on multi_v* configs
arm64: defconfig: re-run savedefconfig
ARM: pxa: Fix resource properties
soc: mediatek: cmdq: fixup wrong input order of write api
soc: aspeed: Fix snoop_file_poll()'s return type
MAINTAINERS: Switch to Marvell addresses
MAINTAINERS: update Cavium ThunderX drivers
Revert "arm64: dts: juno: add dma-ranges property"
MAINTAINERS: Make Nicolas Saenz Julienne the new bcm2835 maintainer
firmware: arm_scmi: Avoid double free in error flow
arm64: dts: juno: Fix UART frequency
ARM: dts: Fix sgx sysconfig register for omap4
arm: socfpga: execute cold reboot by default
ARM: dts: Fix vcsi regulator to be always-on for droid4 to prevent hangs
ARM: dts: dra7: fix cpsw mdio fck clock
ARM: dts: am57xx-beagle-x15: Update pinmux name to ddr_3_3v
ARM: dts: omap3-tao3530: Fix incorrect MMC card detection GPIO polarity
soc/tegra: pmc: Add reset sources and levels on Tegra194
soc/tegra: pmc: Add missing IRQ callbacks on Tegra194
...
- ZONE_DMA32 initialisation fix when memblocks fall entirely within the
first GB (used by ZONE_DMA in 5.5 for Raspberry Pi 4).
- Couple of ftrace fixes following the FTRACE_WITH_REGS patchset.
- access_ok() fix for the Tagged Address ABI when called from from a
kernel thread (asynchronous I/O): the kthread does not have the TIF
flags of the mm owner, so untag the user address unconditionally.
- KVM compute_layout() called before the alternatives code patching.
- Minor clean-ups.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- ZONE_DMA32 initialisation fix when memblocks fall entirely within the
first GB (used by ZONE_DMA in 5.5 for Raspberry Pi 4).
- Couple of ftrace fixes following the FTRACE_WITH_REGS patchset.
- access_ok() fix for the Tagged Address ABI when called from from a
kernel thread (asynchronous I/O): the kthread does not have the TIF
flags of the mm owner, so untag the user address unconditionally.
- KVM compute_layout() called before the alternatives code patching.
- Minor clean-ups.
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: entry: refine comment of stack overflow check
arm64: ftrace: fix ifdeffery
arm64: KVM: Invoke compute_layout() before alternatives are applied
arm64: Validate tagged addresses in access_ok() called from kernel threads
arm64: mm: Fix column alignment for UXN in kernel_page_tables
arm64: insn: consistently handle exit text
arm64: mm: Fix initialisation of DMA zones on non-NUMA systems
We don't intend to support IMPLEMENATION DEFINED system registers, but
have to trap them (and emulate them as UNDEFINED). These traps aren't
interesting to the system administrator or to the KVM developers, so
let's not bother logging when we do so.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20191205180652.18671-3-mark.rutland@arm.com
Stack overflow checking can be done by testing sp & (1 << THREAD_SHIFT)
only for the stacks are aligned to (2 << THREAD_SHIFT) with size of
(1 << THREAD_SIZE), and this is the case when CONFIG_VMAP_STACK is set.
Fix the code comment to avoid confusion.
Cc: Will Deacon <will@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Heyi Guo <guoheyi@huawei.com>
[catalin.marinas@arm.com: Updated comment following Mark's suggestion]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
When I tweaked the ftrace entry assembly in commit:
3b23e4991f ("arm64: implement ftrace with regs")
... my ifdeffery tweaks left ftrace_graph_caller undefined for
CONFIG_DYNAMIC_FTRACE && CONFIG_FUNCTION_GRAPH_TRACER when ftrace is
based on mcount.
The kbuild test robot reported that this issue is detected at link time:
| arch/arm64/kernel/entry-ftrace.o: In function `skip_ftrace_call':
| arch/arm64/kernel/entry-ftrace.S:238: undefined reference to `ftrace_graph_caller'
| arch/arm64/kernel/entry-ftrace.S:238:(.text+0x3c): relocation truncated to fit: R_AARCH64_CONDBR19 against undefined symbol
| `ftrace_graph_caller'
| arch/arm64/kernel/entry-ftrace.S:243: undefined reference to `ftrace_graph_caller'
| arch/arm64/kernel/entry-ftrace.S:243:(.text+0x54): relocation truncated to fit: R_AARCH64_CONDBR19 against undefined symbol
| `ftrace_graph_caller'
This patch fixes the ifdeffery so that the mcount version of
ftrace_graph_caller doesn't depend on CONFIG_DYNAMIC_FTRACE. At the same
time, a redundant #else is removed from the ifdeffery for the
patchable-function-entry version of ftrace_graph_caller.
Fixes: 3b23e4991f ("arm64: implement ftrace with regs")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Amit Daniel Kachhap <amit.kachhap@arm.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Torsten Duwe <duwe@lst.de>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
compute_layout() is invoked as part of an alternative fixup under
stop_machine(). This function invokes get_random_long() which acquires a
sleeping lock on -RT which can not be acquired in this context.
Rename compute_layout() to kvm_compute_layout() and invoke it before
stop_machine() applies the alternatives. Add a __init prefix to
kvm_compute_layout() because the caller has it, too (and so the code can be
discarded after boot).
Reviewed-by: James Morse <james.morse@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
__range_ok(), invoked from access_ok(), clears the tag of the user
address only if CONFIG_ARM64_TAGGED_ADDR_ABI is enabled and the thread
opted in to the relaxed ABI. The latter sets the TIF_TAGGED_ADDR thread
flag. In the case of asynchronous I/O (e.g. io_submit()), the
access_ok() may be called from a kernel thread. Since kernel threads
don't have TIF_TAGGED_ADDR set, access_ok() will fail for valid tagged
user addresses. Example from the ffs_user_copy_worker() thread:
use_mm(io_data->mm);
ret = ffs_copy_to_iter(io_data->buf, ret, &io_data->data);
unuse_mm(io_data->mm);
Relax the __range_ok() check to always untag the user address if called
in the context of a kernel thread. The user pointers would have already
been checked via aio_setup_rw() -> import_{single_range,iovec}() at the
time of the asynchronous I/O request.
Fixes: 63f0c60379 ("arm64: Introduce prctl() options to control the tagged user addresses ABI")
Cc: <stable@vger.kernel.org> # 5.4.x-
Cc: Will Deacon <will@kernel.org>
Reported-by: Evgenii Stepanov <eugenis@google.com>
Tested-by: Evgenii Stepanov <eugenis@google.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Alistair Francis