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Date: Fri, 21 Apr 2023 14:21:04 +0100
From: Marc Zyngier <maz@...nel.org>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: Alain Volmat <avolmat@...com>,
Álvaro Fernández Rojas
<noltari@...il.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
Anup Patel <apatel@...tanamicro.com>,
Atish Patra <atishp@...osinc.com>,
Bin Meng <bmeng.cn@...il.com>,
Dan Carpenter <error27@...il.com>,
Florian Fainelli <f.fainelli@...il.com>,
Guo Ren <guoren@...nel.org>,
Jianmin Lv <lvjianmin@...ngson.cn>,
Kever Yang <kever.yang@...k-chips.com>,
Ley Foon Tan <leyfoon.tan@...rfivetech.com>,
Lucas Tanure <lucas.tanure@...labora.com>,
Mason Huo <mason.huo@...rfivetech.com>,
Palmer Dabbelt <palmer@...osinc.com>,
Patrice Chotard <patrice.chotard@...s.st.com>,
Rob Herring <robh@...nel.org>,
Sebastian Reichel <sebastian.reichel@...labora.com>,
Shanker Donthineni <sdonthineni@...dia.com>,
Sia Jee Heng <jeeheng.sia@...rfivetech.com>,
stable@...r.kernel.org, Sudeep Holla <sudeep.holla@....com>,
Vikram Sethi <vsethi@...dia.com>,
XiaoDong Huang <derrick.huang@...k-chips.com>,
linux-kernel@...r.kernel.org
Subject: [GIT PULL] irqchip updates for 6.4
Thomas,
Here's a small collection of irqchip patches for 6.4. The only
significant thing is the RISC-V IPI rework, which spans both the
irqchip subsystem and the arch code (and is Acked by Palmer).
The rest is a bunch of errata workarounds, fixes and cleanups.
Please pull,
M.
The following changes since commit 197b6b60ae7bc51dd0814953c562833143b292aa:
Linux 6.3-rc4 (2023-03-26 14:40:20 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git tags/irqchip-6.4
for you to fetch changes up to 2ff1b0839ddd514be4752c64c1c6facf91ff3a56:
Merge branch irq/misc-6.4 into irq/irqchip-next (2023-04-21 14:05:31 +0100)
----------------------------------------------------------------
irqchip changes for 6.4
- Large RISC-V IPI rework to make way for a new interrupt
architecture
- More Loongarch fixes from Lianmin Lv, fixing issues in the so
called "dual-bridge" systems.
- Workaround for the nvidia T241 chip that gets confused in
3 and 4 socket configurations, leading to the GIC
malfunctionning in some contexts
- Drop support for non-firmware driven GIC configurarations
now that the old ARM11MP Cavium board is gone
- Workaround for the Rockchip 3588 chip that doesn't
correctly deal with the shareability attributes.
- Replace uses of of_find_property() with the more appropriate
of_property_read_bool()
- Make bcm-6345-l1 request its MMIO region
- Add suspend support to the SiFive PLIC
- Drop support for stih415, stih416 and stid127 platforms
----------------------------------------------------------------
Alain Volmat (1):
irqchip/st: Remove stih415/stih416 and stid127 platforms support
Anup Patel (7):
RISC-V: Clear SIP bit only when using SBI IPI operations
irqchip/riscv-intc: Allow drivers to directly discover INTC hwnode
RISC-V: Treat IPIs as normal Linux IRQs
RISC-V: Allow marking IPIs as suitable for remote FENCEs
RISC-V: Use IPIs for remote TLB flush when possible
RISC-V: Use IPIs for remote icache flush when possible
irqchip/riscv-intc: Add empty irq_eoi() for chained irq handlers
Jianmin Lv (5):
irqchip/loongson-eiointc: Fix returned value on parsing MADT
irqchip/loongson-eiointc: Fix incorrect use of acpi_get_vec_parent
irqchip/loongson-eiointc: Fix registration of syscore_ops
irqchip/loongson-pch-pic: Fix registration of syscore_ops
irqchip/loongson-pch-pic: Fix pch_pic_acpi_init calling
Marc Zyngier (5):
irqchip/gic: Drop support for board files
Merge branch irq/gic-6.4 into irq/irqchip-next
Merge branch irq/riscv-ipi into irq/irqchip-next
Merge branch irq/loongarch-fixes-6.4 into irq/irqchip-next
Merge branch irq/misc-6.4 into irq/irqchip-next
Mason Huo (1):
irqchip/irq-sifive-plic: Add syscore callbacks for hibernation
Rob Herring (1):
irqchip: Use of_property_read_bool() for boolean properties
Sebastian Reichel (1):
irqchip/gic-v3: Add Rockchip 3588001 erratum workaround
Shanker Donthineni (1):
irqchip/gicv3: Workaround for NVIDIA erratum T241-FABRIC-4
Álvaro Fernández Rojas (1):
irqchip/bcm-6345-l1: Request memory region
Documentation/arm64/silicon-errata.rst | 5 +
arch/arm64/Kconfig | 10 ++
arch/riscv/Kconfig | 2 +
arch/riscv/include/asm/irq.h | 4 +
arch/riscv/include/asm/sbi.h | 9 +-
arch/riscv/include/asm/smp.h | 49 +++++++---
arch/riscv/kernel/Makefile | 1 +
arch/riscv/kernel/cpu-hotplug.c | 3 +-
arch/riscv/kernel/irq.c | 21 +++-
arch/riscv/kernel/sbi-ipi.c | 77 +++++++++++++++
arch/riscv/kernel/sbi.c | 100 +++----------------
arch/riscv/kernel/smp.c | 171 +++++++++++++++++----------------
arch/riscv/kernel/smpboot.c | 5 +-
arch/riscv/mm/cacheflush.c | 5 +-
arch/riscv/mm/tlbflush.c | 93 +++++++++++++++---
drivers/clocksource/timer-clint.c | 65 ++++++++++---
drivers/firmware/smccc/smccc.c | 26 +++++
drivers/firmware/smccc/soc_id.c | 28 +-----
drivers/irqchip/Kconfig | 3 +
drivers/irqchip/irq-bcm6345-l1.c | 6 +-
drivers/irqchip/irq-csky-apb-intc.c | 2 +-
drivers/irqchip/irq-gic-v2m.c | 2 +-
drivers/irqchip/irq-gic-v3-its.c | 35 +++++++
drivers/irqchip/irq-gic-v3.c | 115 +++++++++++++++++++---
drivers/irqchip/irq-gic.c | 60 +-----------
drivers/irqchip/irq-loongson-eiointc.c | 32 ++++--
drivers/irqchip/irq-loongson-pch-pic.c | 6 +-
drivers/irqchip/irq-riscv-intc.c | 71 ++++++++------
drivers/irqchip/irq-sifive-plic.c | 93 +++++++++++++++++-
drivers/irqchip/irq-st.c | 15 ---
include/linux/arm-smccc.h | 18 ++++
include/linux/irqchip/arm-gic.h | 6 --
32 files changed, 761 insertions(+), 377 deletions(-)
create mode 100644 arch/riscv/kernel/sbi-ipi.c
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