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【BACKPORT】Add Linux SBI MPXY and RPMI drivers#254

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【BACKPORT】Add Linux SBI MPXY and RPMI drivers#254
uestc-gr wants to merge 29 commits intoRVCK-Project:rvck-6.6from
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@uestc-gr uestc-gr commented Apr 2, 2026 •
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issues: #243

RISC-V国际已正式批准SBI v3.0规范（包含MPXY扩展）和RPMI v1.0规范。

本系列补丁包含SBI MPXY邮箱控制器驱动、RPMI时钟驱动和RPMI系统MSI驱动，同时还为SBI MPXY邮箱控制器驱动和RPMI系统MSI驱动增加了ACPI支持。

测试方法：
使用 https://github.com/ventanamicro/qemu.git 和开源最新的opensbi，使用 "virt,rpmi=on,aia=aplic-imsic"参数启动qemu，启动后检查日志，有rpmi和mpxy注册日志打印

acpi方式
[ 2.610467] riscv-sbi-mpxy-mbox RSCV0005:00: mailbox registered with 2 channels
[ 2.631894] rpmi-sysmsi RSCV0006:00: 4 system MSIs registered

of方式
[ 2.587044] riscv-sbi-mpxy-mbox soc:sbi-mpxy-mbox: mailbox registered with 2 channels
[ 2.790709] rpmi-sysmsi soc:rpmi-system-msi: 4 system MSIs registered

检查rpmi-clk是否注册成功
~ # mount -t debugfs none /sys/kernel/debug
~ # cat /sys/kernel/debug/clk/clk_summary
enable prepare protect duty hardware connection
clock count count count rate accuracy phase cycle enable consumer id

clock5 0 0 0 6148914691522848358 0 0 50000 Y deviceless no_connection_id
clock4 0 0 0 1229782938533634594 0 0 50000 Y deviceless no_connection_id
clock3 0 0 0 3689348815028241476 0 0 50000 Y deviceless no_connection_id
clock2 0 0 0 2459565876780938035 0 0 50000 Y deviceless no_connection_id
clock1 0 0 0 13527612321006669004 0 0 50000 Y deviceless no_connection_id
clock0 0 0 0 1229782938533634594 0 0 50000 Y deviceless no_connection_id

rafaeljw and others added 29 commits April 2, 2026 17:13
@rafaeljw @uestc-gr
ACPI: property: Support using strings in reference properties
04d7cb5 
mainline inclusion
from mainline-6.7-rc3
commit 9880702
category: feature
bugzilla: RVCK-Project#243

--------------------------------

In order to allow referencing data nodes directly, which is not possible
currently, add support for representing references in device properties
as strings (relative or absolute name paths).  For example, after this
change, the "mipi-img-flash-leds" property in the ASL snippet below will
be treated as a proper reference to the LED0 object under LEDD.

 Package ()
 {
     "mipi-img-flash-leds",  "\\_SB.PCI0.I2C2.LEDD.LED0",
 }

 Device (LEDD)
 {
     Name (_DSD, Package ()  // _DSD: Device-Specific Data
     {
         ToUUID ("dbb8e3e6-5886-4ba6-8795-1319f52a966b"), /* Hierarchical Data Extension */,
         Package ()
         {
             Package ()
             {
                 "mipi-img-flash-led-0",
                 "LED0",
             }
         },
     })
     Name (LED0, Package ()  // _DSD: Device-Specific Data
     {
         ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301") /* Device Properties */,
         Package ()
         {
             Package ()
             {
                 "mipi-img-max-current",
                 1000000,
             }
         }
     })
 }

Also remove the mechanism allowing data nodes to be referenced
indirectly, with the help of an object reference pointing to the
"ancestor" device and a path relative to it (this mechanism is not
expected to be in use in any production platform firmware in the field).

Note that this change allows also using strings for referencing device
objects, in addition to object references that have been supported
already.

While at it, add pr_fmt() macro to prefix printouts and update
copyright.

Co-developed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@uestc-gr
Documentation: ACPI: Use all-string data node references
e070690 
mainline inclusion
from mainline-6.15-rc2
commit 6db0261
category: feature
bugzilla: RVCK-Project#243

--------------------------------

Document that references to data nodes shall use string-only references
instead of a device reference and a succession of the first package
entries of hierarchical data node references.

Fixes: 9880702 ("ACPI: property: Support using strings in reference properties")
Cc: 6.8+ <stable@vger.kernel.org> # 6.8+
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Link: https://patch.msgid.link/20250409084738.3657079-1-sakari.ailus@linux.intel.com
[ rjw: Clarifying edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@nunojsa @uestc-gr
dev_printk: add new dev_err_probe() helpers
d41a481 
mainline inclusion
from mainline-6.10-rc6
commit dbbe7ea
category: feature
bugzilla: RVCK-Project#243

--------------------------------

This is similar to dev_err_probe() but for cases where an ERR_PTR() or
ERR_CAST() is to be returned simplifying patterns like:

	dev_err_probe(dev, ret, ...);
	return ERR_PTR(ret)
or
	dev_err_probe(dev, PTR_ERR(ptr), ...);
	return ERR_CAST(ptr)

Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://patch.msgid.link/20240606-dev-add_dev_errp_probe-v3-1-51bb229edd79@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@uestc-gr
kernel.h: removed REPEAT_BYTE from kernel.h
9321788 
mainline inclusion
from mainline-6.8-rc3
commit 66a5c40
category: feature
bugzilla: RVCK-Project#243

--------------------------------

This patch creates wordpart.h and includes it in asm/word-at-a-time.h
for all architectures. WORD_AT_A_TIME_CONSTANTS depends on kernel.h
because of REPEAT_BYTE. Moving this to another header and including it
where necessary allows us to not include the bloated kernel.h. Making
this implicit dependency on REPEAT_BYTE explicit allows for later
improvements in the lib/string.c inclusion list.

Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Tanzir Hasan <tanzirh@google.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231226-libstringheader-v6-1-80aa08c7652c@google.com
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@uestc-gr
lib/string: shrink lib/string.i via IWYU
d49d289 
mainline inclusion
from mainline-6.8-rc3
commit 38b9baf
category: feature
bugzilla: RVCK-Project#243

--------------------------------

This diff uses an open source tool include-what-you-use (IWYU) to modify
the include list, changing indirect includes to direct includes. IWYU is
implemented using the IWYUScripts github repository which is a tool that
is currently undergoing development. These changes seek to improve build
times.

This change to lib/string.c resulted in a preprocessed size of
lib/string.i from 26371 lines to 5321 lines (-80%) for the x86
defconfig.

Link: https://github.com/ClangBuiltLinux/IWYUScripts
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Tanzir Hasan <tanzirh@google.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231226-libstringheader-v6-2-80aa08c7652c@google.com
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@andy-shev @uestc-gr
driver core: Split devres APIs to device/devres.h
4248c34 
mainline inclusion
from mainline-6.14-rc5
commit a21cad9
category: feature
bugzilla: RVCK-Project#243

--------------------------------

device.h is a huge header which is hard to follow and easy to miss
something. Improve that by splitting devres APIs to device/devres.h.

In particular this helps to speedup the build of the code that includes
device.h solely for a devres APIs.

While at it, cast the error pointers to __iomem using IOMEM_ERR_PTR()
and fix sparse warnings.

Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@avpatel @uestc-gr
dt-bindings: mailbox: Add bindings for RPMI shared memory transport
b7727e1 
mainline inclusion
from mainline-6.17
commit 492263f
category: feature
bugzilla: RVCK-Project#243

--------------------------------

Add device tree bindings for the common RISC-V Platform Management
Interface (RPMI) shared memory transport as a mailbox controller.

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Link: https://lore.kernel.org/r/20250818040920.272664-2-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@avpatel @uestc-gr
dt-bindings: mailbox: Add bindings for RISC-V SBI MPXY extension
73e2344 
mainline inclusion
from mainline-6.17
commit 581b4da
category: feature
bugzilla: RVCK-Project#243

--------------------------------

Add device tree bindings for the RISC-V SBI Message Proxy (MPXY)
extension as a mailbox controller.

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Link: https://lore.kernel.org/r/20250818040920.272664-3-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@avpatel @uestc-gr
RISC-V: Add defines for the SBI message proxy extension
7a1330c 
mainline inclusion
from mainline-6.17
commit 508da38
category: feature
bugzilla: RVCK-Project#229

--------------------------------

Add defines for the new SBI message proxy extension which is part
of the SBI v3.0 specification.

Reviewed-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Co-developed-by: Rahul Pathak <rpathak@ventanamicro.com>
Signed-off-by: Rahul Pathak <rpathak@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Link: https://lore.kernel.org/r/20250818040920.272664-4-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@avpatel @uestc-gr
mailbox: Add common header for RPMI messages sent via mailbox
f3fe64f 
mainline inclusion
from mainline-6.17
commit 340974c
category: feature
bugzilla: RVCK-Project#243

--------------------------------

The RPMI based mailbox controller drivers and mailbox clients need to
share defines related to RPMI messages over mailbox interface so add
a common header for this purpose.

Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Co-developed-by: Rahul Pathak <rpathak@ventanamicro.com>
Signed-off-by: Rahul Pathak <rpathak@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Link: https://lore.kernel.org/r/20250818040920.272664-5-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@avpatel @uestc-gr
byteorder: Add memcpy_to_le32() and memcpy_from_le32()
f32c71a 
mainline inclusion
from mainline-6.17
commit 6f01c24
category: feature
bugzilla: RVCK-Project#243

--------------------------------

Add common memcpy APIs for copying u32 array to/from __le32 array.

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Link: https://lore.kernel.org/r/20250818040920.272664-7-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@avpatel @uestc-gr
mailbox: Add RISC-V SBI message proxy (MPXY) based mailbox driver
b54f19b 
mainline inclusion
from mainline-6.17
commit bf3022a
category: feature
bugzilla: RVCK-Project#243

--------------------------------

Add a mailbox controller driver for the new SBI message proxy extension
which is part of the SBI v3.0 specification.

Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Co-developed-by: Rahul Pathak <rpathak@ventanamicro.com>
Signed-off-by: Rahul Pathak <rpathak@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Link: https://lore.kernel.org/r/20250818040920.272664-8-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@avpatel @uestc-gr
dt-bindings: clock: Add RPMI clock service message proxy bindings
8464d88 
mainline inclusion
from mainline-6.17
commit 54e184f
category: feature
bugzilla: RVCK-Project#243

--------------------------------

Add device tree bindings for the RPMI clock service group based
message proxy implemented by the SBI implementation (machine mode
firmware or hypervisor).

The RPMI clock service group is defined by the RISC-V platform
management interface (RPMI) specification.

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20250818040920.272664-9-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@avpatel @uestc-gr
dt-bindings: clock: Add RPMI clock service controller bindings
cf37a19 
mainline inclusion
from mainline-6.17
commit b385830
category: feature
bugzilla: RVCK-Project#243

--------------------------------

Add device tree bindings for the RPMI clock service group based
controller for the supervisor software.

The RPMI clock service group is defined by the RISC-V platform
management interface (RPMI) specification.

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Link: https://lore.kernel.org/r/20250818040920.272664-10-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@pathakraul @uestc-gr
clk: Add clock driver for the RISC-V RPMI clock service group
ae46fec 
mainline inclusion
from mainline-6.17
commit 5ba9f52
category: feature
bugzilla: RVCK-Project#243

--------------------------------

The RPMI specification defines a clock service group which can be
accessed via SBI MPXY extension or dedicated S-mode RPMI transport.

Add mailbox client based clock driver for the RISC-V RPMI clock
service group.

Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Co-developed-by: Anup Patel <apatel@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Signed-off-by: Rahul Pathak <rpathak@ventanamicro.com>
Link: https://lore.kernel.org/r/20250818040920.272664-11-apatel@ventanamicro.com
[pjw@kernel.org: converted rpmi_clkrate_u64 macro to a function; replaced bare constant with a macro]
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@avpatel @uestc-gr
dt-bindings: Add RPMI system MSI message proxy bindings
090bbf1 
mainline inclusion
from mainline-6.17
commit a72ab25
category: feature
bugzilla: RVCK-Project#243

--------------------------------

Add device tree bindings for the RPMI system MSI service group
based message proxy implemented by the SBI implementation (machine
mode firmware or hypervisor).

The RPMI system MSI service group is defined by the RISC-V
platform management interface (RPMI) specification.

Reviewed-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Link: https://lore.kernel.org/r/20250818040920.272664-12-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@avpatel @uestc-gr
dt-bindings: Add RPMI system MSI interrupt controller bindings
9bc99a5 
mainline inclusion
from mainline-6.17
commit 3e6cf38
category: feature
bugzilla: RVCK-Project#243

--------------------------------

Add device tree bindings for the RPMI system MSI service group
based interrupt controller for the supervisor software.

The RPMI system MSI service group is defined by the RISC-V
platform management interface (RPMI) specification.

Reviewed-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Link: https://lore.kernel.org/r/20250818040920.272664-13-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@avpatel @uestc-gr
irqchip: Add driver for the RPMI system MSI service group
fbcccfe 
mainline inclusion
from mainline-6.17
commit aa43953
category: feature
bugzilla: RVCK-Project#243

--------------------------------

The RPMI specification defines a system MSI service group which
allows application processors to receive MSIs upon system events
such as graceful shutdown/reboot request, CPU hotplug event, memory
hotplug event, etc.

Add an irqchip driver for the RISC-V RPMI system MSI service group
to directly receive system MSIs in Linux kernel.

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Link: https://lore.kernel.org/r/20250818040920.272664-14-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@vlsunil @uestc-gr
ACPI: property: Refactor acpi_fwnode_get_reference_args() to support …
33538ef 
…nargs_prop

mainline inclusion
from mainline-6.17
commit e121be7
category: feature
bugzilla: RVCK-Project#243

--------------------------------

Currently, acpi_fwnode_get_reference_args() delegates to the internal
function __acpi_node_get_property_reference() to retrieve property
references. However, this function does not handle the nargs_prop (cells
property) parameter, and instead expects the number of arguments (nargs)
to be known or hardcoded.

As a result, when fwnode_property_get_reference_args() is used with a
valid nargs_prop, the ACPI backend ignores it, whereas the Device Tree
(DT) backend uses the #*-cells property from the reference node to
determine the number of arguments dynamically.

To support the nargs_prop in ACPI, refactor the code as follows:

- Move the implementation from __acpi_node_get_property_reference()
  into acpi_fwnode_get_reference_args().

- Update __acpi_node_get_property_reference() to call the (now updated)
  acpi_fwnode_get_reference_args() passing NULL as nargs_prop to keep
  the behavior of __acpi_node_get_property_reference() intact.

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Link: https://lore.kernel.org/r/20250818040920.272664-15-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@vlsunil @uestc-gr
ACPI: Add support for nargs_prop in acpi_fwnode_get_reference_args()
a45de01 
mainline inclusion
from mainline-6.17
commit 159c86f
category: feature
bugzilla: RVCK-Project#243

--------------------------------

Currently, ACPI does not support the use of a nargs_prop (e.g.,
associated with a reference in fwnode_property_get_reference_args().
Instead, ACPI expects the number of arguments (nargs) to be explicitly
passed or known.

This behavior diverges from Open Firmware (OF), which allows the use of
a #*-cells property in the referenced node to determine the number of
arguments. Since fwnode_property_get_reference_args() is a common
interface used across both OF and ACPI firmware paradigms, it is
desirable to have a unified calling convention that works seamlessly for
both.

Add the support for ACPI to parse a nargs_prop from the referenced
fwnode, aligning its behavior with the OF backend. This allows drivers
and subsystems using fwnode_property_get_reference_args() to work in a
firmware-agnostic way without having to hardcode or special-case
argument counts for ACPI.

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Link: https://lore.kernel.org/r/20250818040920.272664-16-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@vlsunil @uestc-gr
ACPI: scan: Update honor list for RPMI System MSI
d58a898 
mainline inclusion
from mainline-6.17
commit 4215d1c
category: feature
bugzilla: RVCK-Project#243

--------------------------------

The RPMI System MSI interrupt controller (just like PLIC and APLIC)
needs to probed prior to devices like GED which use interrupts provided
by it. Also, it has dependency on the SBI MPXY mailbox device.

Add HIDs of RPMI System MSI and SBI MPXY mailbox devices to the honor
list so that those dependencies are handled.

Reviewed-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Link: https://lore.kernel.org/r/20250818040920.272664-17-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@vlsunil @uestc-gr
ACPI: RISC-V: Create interrupt controller list in sorted order
f25000a 
mainline inclusion
from mainline-6.17
commit 694b2ef
category: feature
bugzilla: RVCK-Project#243

--------------------------------

Currently, the interrupt controller list is created without any order.
Create the list sorted with the GSI base of the interrupt controllers.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Link: https://lore.kernel.org/r/20250818040920.272664-18-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@vlsunil @uestc-gr
ACPI: RISC-V: Add support to update gsi range
7f317ef 
mainline inclusion
from mainline-6.17
commit 4d185fd
category: feature
bugzilla: RVCK-Project#243

--------------------------------

Some RISC-V interrupt controllers like RPMI based system MSI interrupt
controllers do not have MADT entry defined. These interrupt controllers
exist only in the namespace. ACPI spec defines _GSB method to get the
GSI base of the interrupt controller, However, there is no such standard
method to get the GSI range. To support such interrupt controllers, set
the GSI range of such interrupt controllers to non-overlapping range and
provide API for interrupt controller driver to update it with proper
value.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Link: https://lore.kernel.org/r/20250818040920.272664-19-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@vlsunil @uestc-gr
ACPI: RISC-V: Add RPMI System MSI to GSI mapping
1f9f38d 
mainline inclusion
from mainline-6.17
commit bb96fb5
category: feature
bugzilla: RVCK-Project#243

--------------------------------

The RPMI System MSI device will provide GSIs to downstream devices
(such as GED) so add it to the RISC-V GSI to fwnode mapping.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Link: https://lore.kernel.org/r/20250818040920.272664-20-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@vlsunil @uestc-gr
irqchip/irq-riscv-imsic-early: Export imsic_acpi_get_fwnode()
1235b3c 
mainline inclusion
from mainline-6.17
commit 3f5d7a5
category: feature
bugzilla: RVCK-Project#243

--------------------------------

ACPI based loadable drivers which need MSIs will also need
imsic_acpi_get_fwnode() to update the device MSI domain so
export this function.

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Link: https://lore.kernel.org/r/20250818040920.272664-21-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@vlsunil @uestc-gr
mailbox/riscv-sbi-mpxy: Add ACPI support
ea039b9 
mainline inclusion
from mainline-6.17
commit 7e64042
category: feature
bugzilla: RVCK-Project#243

--------------------------------

Add ACPI support for the RISC-V SBI message proxy (MPXY) based
mailbox driver.

Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Link: https://lore.kernel.org/r/20250818040920.272664-22-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@vlsunil @uestc-gr
irqchip/riscv-rpmi-sysmsi: Add ACPI support
f8bc287 
mainline inclusion
from mainline-6.17
commit 4752b0c
category: feature
bugzilla: RVCK-Project#243

--------------------------------

Add ACPI support for the RISC-V RPMI system MSI based irqchip driver.

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Link: https://lore.kernel.org/r/20250818040920.272664-23-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@avpatel @uestc-gr
RISC-V: Enable GPIO keyboard and event device in RV64 defconfig
011cb2b 
mainline inclusion
from mainline-6.17
commit f30d7cc
category: feature
bugzilla: RVCK-Project#243

--------------------------------

The GPIO keyboard and event device can be used to receive graceful
shutdown or reboot input keys so let us enable it by default for
RV64 (just like ARM64).

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Link: https://lore.kernel.org/r/20250818040920.272664-24-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
@avpatel @uestc-gr
MAINTAINERS: Add entry for RISC-V RPMI and MPXY drivers
3fe1476 
mainline inclusion
from mainline-6.17
commit 67b8766
category: feature
bugzilla: RVCK-Project#243

--------------------------------

Add Rahul and myself as maintainers for RISC-V RPMI and MPXY drivers.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Link: https://lore.kernel.org/r/20250818040920.272664-25-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Gao Rui <gao.rui@zte.com.cn>
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github-actions bot commented Apr 2, 2026 •
edited
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开始测试 log: https://github.com/RVCK-Project/rvck/actions/runs/23893796560

参数解析结果
args value
repository RVCK-Project/rvck
head ref pull/254/head
base ref rvck-6.6
LAVA repo RVCK-Project/lavaci
LAVA Template lava-job-template/qemu/qemu-ltp.yaml
Testcase path lava-testcases/common-test/ltp/ltp.yaml
need run job kunit-test,kernel-build,check-patch,lava-trigger

测试完成

详细结果:

RVCK result

check result
kunit-test success
kernel-build success
lava-trigger success
check-patch failure

Kunit Test Result

[09:33:22] Testing complete. Ran 457 tests: passed: 445, skipped: 12

Kernel Build Result

Kernel build succeeded: RVCK-Project/rvck/254__1/

eae5b29d004f58e3088037e1ca00ebc1 /srv/guix_result/3fe14768b037db3fa8b6afc2c9576408d0f17863/Image
d44019318c32f7b86ec6108d6d62c52c /root/initramfs.img

LAVA Check

args:

result:

Lava check done! lava log: https://lava.oerv.ac.cn/scheduler/job/1694

lava result count: [fail]: 174, [pass]: 1435, [skip]: 290

Check Patch Result
Total Errors 6
Total Warnings 31

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uestc-gr commented Apr 3, 2026

该pr已经完成，全部补丁都来自开源，需与开源保持一致，check-patch 失败建议忽略，请老师评审

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sterling-teng commented Apr 8, 2026

该pr已经完成，全部补丁都来自开源，需与开源保持一致，check-patch 失败建议忽略，请老师评审

好的，这个pr补丁较多，需要些时间测试。

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8 participants

@uestc-gr @sterling-teng @rafaeljw @nunojsa @andy-shev @avpatel @pathakraul @vlsunil