linux.git/arch/arm64, branch v5.15.104

arm64: efi: Make efi_rt_lock a raw_spinlock

2023-03-17T07:48:51+00:00

[ Upstream commit 0e68b5517d3767562889f1d83fdb828c26adb24f ]

Running a rt-kernel base on 6.2.0-rc3-rt1 on an Ampere Altra outputs
the following:
  BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:46
  in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 9, name: kworker/u320:0
  preempt_count: 2, expected: 0
  RCU nest depth: 0, expected: 0
  3 locks held by kworker/u320:0/9:
  #0: ffff3fff8c27d128 ((wq_completion)efi_rts_wq){+.+.}-{0:0}, at: process_one_work (./include/linux/atomic/atomic-long.h:41)
  #1: ffff80000861bdd0 ((work_completion)(&efi_rts_work.work)){+.+.}-{0:0}, at: process_one_work (./include/linux/atomic/atomic-long.h:41)
  #2: ffffdf7e1ed3e460 (efi_rt_lock){+.+.}-{3:3}, at: efi_call_rts (drivers/firmware/efi/runtime-wrappers.c:101)
  Preemption disabled at:
  efi_virtmap_load (./arch/arm64/include/asm/mmu_context.h:248)
  CPU: 0 PID: 9 Comm: kworker/u320:0 Tainted: G        W          6.2.0-rc3-rt1
  Hardware name: WIWYNN Mt.Jade Server System B81.03001.0005/Mt.Jade Motherboard, BIOS 1.08.20220218 (SCP: 1.08.20220218) 2022/02/18
  Workqueue: efi_rts_wq efi_call_rts
  Call trace:
  dump_backtrace (arch/arm64/kernel/stacktrace.c:158)
  show_stack (arch/arm64/kernel/stacktrace.c:165)
  dump_stack_lvl (lib/dump_stack.c:107 (discriminator 4))
  dump_stack (lib/dump_stack.c:114)
  __might_resched (kernel/sched/core.c:10134)
  rt_spin_lock (kernel/locking/rtmutex.c:1769 (discriminator 4))
  efi_call_rts (drivers/firmware/efi/runtime-wrappers.c:101)
  [...]

This seems to come from commit ff7a167961d1 ("arm64: efi: Execute
runtime services from a dedicated stack") which adds a spinlock. This
spinlock is taken through:
efi_call_rts()
\-efi_call_virt()
  \-efi_call_virt_pointer()
    \-arch_efi_call_virt_setup()

Make 'efi_rt_lock' a raw_spinlock to avoid being preempted.

[ardb: The EFI runtime services are called with a different set of
       translation tables, and are permitted to use the SIMD registers.
       The context switch code preserves/restores neither, and so EFI
       calls must be made with preemption disabled, rather than only
       disabling migration.]

Fixes: ff7a167961d1 ("arm64: efi: Execute runtime services from a dedicated stack")
Signed-off-by: Pierre Gondois 
Cc:  # v6.1+
Signed-off-by: Ard Biesheuvel 
Signed-off-by: Sasha Levin

arm64: dts: qcom: ipq8074: fix Gen2 PCIe QMP PHY

2023-03-10T08:40:15+00:00

commit 100d9c94ccf15b02742c326cd04f422ab729153b upstream.

Serdes register space sizes are incorrect, update them to match the
actual sizes from downstream QCA 5.4 kernel.

Fixes: 942bcd33ed45 ("arm64: dts: qcom: Fix IPQ8074 PCIe PHY nodes")
Signed-off-by: Robert Marko 
Signed-off-by: Bjorn Andersson 
Link: https://lore.kernel.org/r/20230113164449.906002-1-robimarko@gmail.com
Signed-off-by: Greg Kroah-Hartman

arm64: dts: qcom: pmk8350: Use the correct PON compatible

2023-03-10T08:39:05+00:00

[ Upstream commit c0ee8e0ba5cc17623e63349a168b41e407b1eef0 ]

A special compatible was introduced for PMK8350 both in the driver and
the bindings to facilitate for 2 base registers (PBS & HLOS). Use it.

Fixes: b2de43136058 ("arm64: dts: qcom: pmk8350: Add peripherals for pmk8350")
Signed-off-by: Konrad Dybcio 
Signed-off-by: Bjorn Andersson 
Link: https://lore.kernel.org/r/20230213212930.2115182-1-konrad.dybcio@linaro.org
Signed-off-by: Sasha Levin

arm64: dts: qcom: pmk8350: Specify PBS register for PON

2023-03-10T08:39:05+00:00

[ Upstream commit f46ef374e0dcb8fd2f272a376cf0dcdab7e52fc2 ]

PMK8350 is the first PMIC to require both HLOS and PBS registers for
PON to function properly (at least in theory, sm8350 sees no change).
The support for it on the driver side has been added long ago,
but it has never been wired up. Do so.

Signed-off-by: Konrad Dybcio 
Signed-off-by: Bjorn Andersson 
Link: https://lore.kernel.org/r/20221115132626.7465-1-konrad.dybcio@linaro.org
Stable-dep-of: c0ee8e0ba5cc ("arm64: dts: qcom: pmk8350: Use the correct PON compatible")
Signed-off-by: Sasha Levin

arm64: dts: qcom: msm8992-lg-bullhead: Correct memory overlaps with the SMEM and MPSS memory regions

2023-03-10T08:39:04+00:00

[ Upstream commit d44106883d74992343710f18c4aaae937c7cefab ]

The memory region reserved by a previous commit (see fixes tag below)
overlaps with the SMEM and MPSS memory regions, causing error messages in
dmesg:
	OF: reserved mem: OVERLAP DETECTED!
	reserved@5000000 (0x0000000005000000--0x0000000007200000)
	overlaps with smem_region@6a00000
	(0x0000000006a00000--0x0000000006c00000)

	OF: reserved mem: OVERLAP DETECTED!
	reserved@6c00000 (0x0000000006c00000--0x0000000007200000)
	overlaps with memory@7000000
	(0x0000000007000000--0x000000000ca00000)

This patch resolves both of these by splitting the previously reserved
memory region into two sections either side of the SMEM region and by
cutting off the second memory region to 0x7000000.

Fixes: 22c7e1a0fa45 ("arm64: dts: msm8992-bullhead: add memory hole region")
Signed-off-by: Jamie Douglass 
Reviewed-by: Petr Vorel 
Tested-by: Petr Vorel 
Reviewed-by: Konrad Dybcio 
Signed-off-by: Bjorn Andersson 
Link: https://lore.kernel.org/r/20230202054819.16079-1-jamiemdouglass@gmail.com
Signed-off-by: Sasha Levin

arm64: dts: mediatek: mt7622: Add missing pwm-cells to pwm node

2023-03-10T08:39:04+00:00

[ Upstream commit 22925af785fa3470efdf566339616d801119d348 ]

Specify #pwm-cells on pwm@11006000 to make it actually usable.

Fixes: ae457b7679c4 ("arm64: dts: mt7622: add SoC and peripheral related device nodes")
Signed-off-by: AngeloGioacchino Del Regno 
Link: https://lore.kernel.org/r/20221128112028.58021-2-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger 
Signed-off-by: Sasha Levin

arm64: dts: mt8192: Fix CPU map for single-cluster SoC

2023-03-10T08:39:04+00:00

[ Upstream commit 160ce54d635455ffb5e9b42c5ba9cb9aaa98cdb2 ]

MT8192 features the ARM DynamIQ technology and combines both four
Cortex-A76 (big) and four Cortex-A55 (LITTLE) CPUs in one cluster:
fix the CPU map to reflect that.

Signed-off-by: AngeloGioacchino Del Regno 
Fixes: 48489980e27e ("arm64: dts: Add Mediatek SoC MT8192 and evaluation board dts and Makefile")
Link: https://lore.kernel.org/r/20230126103526.417039-3-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger 
Signed-off-by: Sasha Levin

arm64: dts: meson: bananapi-m5: switch VDDIO_C pin to OPEN_DRAIN

2023-03-10T08:39:03+00:00

[ Upstream commit 856968e066bd77b113965f1a355ec7401edff65f ]

For proper warm (re)boot from SD card the BPI-M5 board requires TFLASH_VDD_EN
and VDDIO_C pins to be switched to high impedance mode. This can be achieved
using OPEN_DRAIN instead of ACTIVE_HIGH to leave the GPIO pins in input mode
and retain high state (pin has the pull-up).

This change is inspired by meson-sm1-odroid.dtsi where OPEN_DRAIN has been
used to resolve similar problems with the Odroid C4 board (TF_IO in the C4
dts is the equivalent regulator).

Fixes: 976e920183e4 ("arm64: dts: meson-sm1: add Banana PI BPI-M5 board dts")
Suggested-by: Neil Armstrong 
Signed-off-by: Christian Hewitt 
Reviewed-by: Neil Armstrong 
Link: https://lore.kernel.org/r/20230127142221.3718184-2-christianshewitt@gmail.com
Signed-off-by: Neil Armstrong 
Signed-off-by: Sasha Levin

arm64: dts: renesas: beacon-renesom: Fix gpio expander reference

2023-03-10T08:39:03+00:00

[ Upstream commit d7f9492dfc03153ac56ab59066a196558748f575 ]

The board used to originally introduce the Beacon Embedded RZ/G2[M/N/H]
boards had a GPIO expander with address 20, but this was changed when
the final board went to production.

The production boards changed both the part itself and the address.
With the incorrect address, the LCD cannot come up.  If the LCD fails,
the rcar-du driver fails to come up, and that also breaks HDMI.

Pre-release board were not shipped to the general public, so it should
be safe to push this as a fix.  Anyone with a production board would
have video fail due to this GPIO expander change.

Fixes: a1d8a344f1ca ("arm64: dts: renesas: Introduce r8a774a1-beacon-rzg2m-kit")
Signed-off-by: Adam Ford 
Reviewed-by: Geert Uytterhoeven 
Link: https://lore.kernel.org/r/20230114225647.227972-1-aford173@gmail.com
Signed-off-by: Geert Uytterhoeven 
Signed-off-by: Sasha Levin

arm64: dts: amlogic: meson-sm1-odroid-hc4: fix active fan thermal trip

2023-03-10T08:39:03+00:00

[ Upstream commit 1d2f14117aa7773efff50f832b85fc7779e586e0 ]

Add an active trip tied to the on-board fan cooling device, which is better
than describing it along the passive cooling maps.

Fixes: 33b14f663df8 ("arm64: dts: meson: add initial device-tree for ODROID-HC4")
Reported-by: Ricardo Pardini 
Link: https://lore.kernel.org/r/20230124-topic-odroid-hc4-upstream-fix-fan-trip-v1-1-b0c6aa355d93@linaro.org
Tested-by: Ricardo Pardini 
[narmstrong: added Ricardo's tested-by from off-list chat]
Signed-off-by: Neil Armstrong 
Signed-off-by: Sasha Levin