The uctl/usbn device-tree fixups in octeon_prune_device_tree() - which
set the board's USB reference-clock frequency and type from
__cvmx_helper_board_usb_get_clock_type() - are guarded by
"#ifdef CONFIG_USB", which is false when USB is built as a module. The
fixups then silently disappear and octeon-hcd sees whatever default the
DTS carries (12MHz crystal in octeon_3xxx.dts), leaving the PHY dead or
the bus erroring on boards with a different reference clock.
Use IS_ENABLED() so USB=m gets the same fixups as USB=y.
Fixes: 7fd57ab9d9 ("MIPS: Octeon: Fix compile error when USB is not enabled.")
Assisted-by: Claude:claude-opus-5
Signed-off-by: Orgad Shaneh <orgads@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
The Linux kernel coding style discourages the use of typedefs for
enums. Convert cvmx_pko_status_t to a plain 'enum cvmx_pko_status' and
update all users across the MIPS Octeon architecture code and the
staging driver stubs.
No functional change.
Signed-off-by: Eric Wu <kunjinkao.jp@gmail.com>
Link: https://patch.msgid.link/20260427155427.668540-6-kunjinkao.jp@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The Linux kernel coding style discourages the use of typedefs for
enums. Convert cvmx_helper_interface_mode_t to a plain 'enum
cvmx_helper_interface_mode' and update all users across the MIPS
Octeon architecture code and the staging driver stubs.
No functional change.
Signed-off-by: Eric Wu <kunjinkao.jp@gmail.com>
Link: https://patch.msgid.link/20260427155427.668540-3-kunjinkao.jp@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The Linux kernel coding style discourages the use of typedefs for
enums. Convert cvmx_spi_mode_t to a plain 'enum cvmx_spi_mode' and
update all users across the MIPS Octeon architecture code and the
staging driver stubs.
This is part of a series converting all remaining enum typedefs in
the octeon subsystem to plain enums, improving compliance with the
kernel coding style.
No functional change.
Signed-off-by: Eric Wu <kunjinkao.jp@gmail.com>
Link: https://patch.msgid.link/20260427155427.668540-2-kunjinkao.jp@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This was done entirely with mindless brute force, using
git grep -l '\<k[vmz]*alloc_objs*(.*, GFP_KERNEL)' |
xargs sed -i 's/\(alloc_objs*(.*\), GFP_KERNEL)/\1)/'
to convert the new alloc_obj() users that had a simple GFP_KERNEL
argument to just drop that argument.
Note that due to the extreme simplicity of the scripting, any slightly
more complex cases spread over multiple lines would not be triggered:
they definitely exist, but this covers the vast bulk of the cases, and
the resulting diff is also then easier to check automatically.
For the same reason the 'flex' versions will be done as a separate
conversion.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This is the result of running the Coccinelle script from
scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to
avoid scalar types (which need careful case-by-case checking), and
instead replace kmalloc-family calls that allocate struct or union
object instances:
Single allocations: kmalloc(sizeof(TYPE), ...)
are replaced with: kmalloc_obj(TYPE, ...)
Array allocations: kmalloc_array(COUNT, sizeof(TYPE), ...)
are replaced with: kmalloc_objs(TYPE, COUNT, ...)
Flex array allocations: kmalloc(struct_size(PTR, FAM, COUNT), ...)
are replaced with: kmalloc_flex(*PTR, FAM, COUNT, ...)
(where TYPE may also be *VAR)
The resulting allocations no longer return "void *", instead returning
"TYPE *".
Signed-off-by: Kees Cook <kees@kernel.org>
Replace memset(0) followed by the deprecated strcpy() with strscpy_pad()
to improve octeon_fdt_set_phy(). This avoids zeroing the memory before
copying the string and ensures the destination buffer is only written to
once, simplifying the code and improving efficiency.
Link: https://github.com/KSPP/linux/issues/88
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Justin Stitt <justinstitt@google.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
There is an extraneous space before a newline in a pr_info message.
Remove it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Since octeon-crypto.c is the only remaining source file in
arch/mips/cavium-octeon/crypto/, move it into its parent directory
arch/mips/cavium-octeon/. Then remove the directory
arch/mips/cavium-octeon/crypto/, including its Makefile.
Link: https://lore.kernel.org/r/20250805222855.10362-4-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Instead of exposing the mips-optimized MD5 code via mips-specific
crypto_shash algorithms, instead just implement the md5_blocks() library
function. This is much simpler, it makes the MD5 library functions be
mips-optimized, and it fixes the longstanding issue where the
mips-optimized MD5 code was disabled by default. MD5 still remains
available through crypto_shash, but individual architectures no longer
need to handle it.
Note: to see the diff from arch/mips/cavium-octeon/crypto/octeon-md5.c
to lib/crypto/mips/md5.h, view this commit with 'git show -M10'.
Link: https://lore.kernel.org/r/20250805222855.10362-3-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Instead of exposing the mips-optimized SHA-1 code via mips-specific
crypto_shash algorithms, instead just implement the sha1_blocks()
library function. This is much simpler, it makes the SHA-1 library
functions be mips-optimized, and it fixes the longstanding issue where
the mips-optimized SHA-1 code was disabled by default. SHA-1 still
remains available through crypto_shash, but individual architectures no
longer need to handle it.
Note: to see the diff from arch/mips/cavium-octeon/crypto/octeon-sha1.c
to lib/crypto/mips/sha1.h, view this commit with 'git show -M10'.
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20250712232329.818226-10-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Consolidate the CPU-based SHA-256 code into a single module, following
what I did with SHA-512:
- Each arch now provides a header file lib/crypto/$(SRCARCH)/sha256.h,
replacing lib/crypto/$(SRCARCH)/sha256.c. The header defines
sha256_blocks() and optionally sha256_mod_init_arch(). It is included
by lib/crypto/sha256.c, and thus the code gets built into the single
libsha256 module, with proper inlining and dead code elimination.
- sha256_blocks_generic() is moved from lib/crypto/sha256-generic.c into
lib/crypto/sha256.c. It's now a static function marked with
__maybe_unused, so the compiler automatically eliminates it in any
cases where it's not used.
- Whether arch-optimized SHA-256 is buildable is now controlled
centrally by lib/crypto/Kconfig instead of by
lib/crypto/$(SRCARCH)/Kconfig. The conditions for enabling it remain
the same as before, and it remains enabled by default.
- Any additional arch-specific translation units for the optimized
SHA-256 code (such as assembly files) are now compiled by
lib/crypto/Makefile instead of lib/crypto/$(SRCARCH)/Makefile.
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20250630160645.3198-13-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
The previous commit made the SHA-256 compression function state be
strongly typed, but it wasn't propagated all the way down to the
implementations of it. Do that now.
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20250630160645.3198-8-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Instead of exposing the mips-optimized SHA-512 code via mips-specific
crypto_shash algorithms, instead just implement the sha512_blocks()
library function. This is much simpler, it makes the SHA-512 (and
SHA-384) library functions be mips-optimized, and it fixes the
longstanding issue where the mips-optimized SHA-512 code was disabled by
default. SHA-512 still remains available through crypto_shash, but
individual architectures no longer need to handle it.
Note: to see the diff from
arch/mips/cavium-octeon/crypto/octeon-sha512.c to
lib/crypto/mips/sha512.h, view this commit with 'git show -M10'.
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20250630160320.2888-11-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Since arch/mips/cavium-octeon/crypto/octeon-crypto.h is now needed
outside of its directory, move it to
arch/mips/include/asm/octeon/crypto.h so that it can be included as
<asm/octeon/crypto.h>.
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20250630160320.2888-10-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
- Consolidate on one set of functions for the interrupt domain code to
get rid of pointlessly duplicated code with only marginal different
semantics.
- Update the documentation accordingly and consolidate the coding style
of the irqdomain header.
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Merge tag 'irq-cleanups-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq cleanups from Thomas Gleixner:
"A set of cleanups for the generic interrupt subsystem:
- Consolidate on one set of functions for the interrupt domain code
to get rid of pointlessly duplicated code with only marginal
different semantics.
- Update the documentation accordingly and consolidate the coding
style of the irqdomain header"
* tag 'irq-cleanups-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (46 commits)
irqdomain: Consolidate coding style
irqdomain: Fix kernel-doc and add it to Documentation
Documentation: irqdomain: Update it
Documentation: irq-domain.rst: Simple improvements
Documentation: irq/concepts: Minor improvements
Documentation: irq/concepts: Add commas and reflow
irqdomain: Improve kernel-docs of functions
irqdomain: Make struct irq_domain_info variables const
irqdomain: Use irq_domain_instantiate()'s return value as initializers
irqdomain: Drop irq_linear_revmap()
pinctrl: keembay: Switch to irq_find_mapping()
irqchip/armada-370-xp: Switch to irq_find_mapping()
gpu: ipu-v3: Switch to irq_find_mapping()
gpio: idt3243x: Switch to irq_find_mapping()
sh: Switch to irq_find_mapping()
powerpc: Switch to irq_find_mapping()
irqdomain: Drop irq_domain_add_*() functions
powerpc: Switch irq_domain_add_nomap() to use fwnode
thermal: Switch to irq_domain_create_linear()
soc: Switch to irq_domain_create_*()
...
irq_domain_add_*() interfaces are going away as being obsolete now.
Switch to the preferred irq_domain_create_*() ones. Those differ in the
node parameter: They take more generic struct fwnode_handle instead of
struct device_node. Therefore, of_fwnode_handle() is added around the
original parameter.
Note some of the users can likely use dev->fwnode directly instead of
indirect of_fwnode_handle(dev->of_node). But dev->fwnode is not
guaranteed to be set for all, so this has to be investigated on case to
case basis (by people who can actually test with the HW).
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250319092951.37667-26-jirislaby@kernel.org
Export the block functions as GPL only, there is no reason
to let arbitrary modules use these internal functions.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Instead of providing crypto_shash algorithms for the arch-optimized
SHA-256 code, instead implement the SHA-256 library. This is much
simpler, it makes the SHA-256 library functions be arch-optimized, and
it fixes the longstanding issue where the arch-optimized SHA-256 was
disabled by default. SHA-256 still remains available through
crypto_shash, but individual architectures no longer need to handle it.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Naming interrupt domains host is confusing at best and the irqdomain code
uses both domain and host inconsistently.
Therefore rename irq_set_default_host() to irq_set_default_domain().
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250319092951.37667-3-jirislaby@kernel.org
Fix typos, most reported by "codespell arch/mips". Only touches comments,
no code changes.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: linux-mips@vger.kernel.org
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
The select of KEXEC for CRASH_DUMP in kernel/Kconfig.kexec will be
dropped, then compiling errors will be triggered if below config items are
set:
===
CONFIG_CRASH_CORE=y
CONFIG_KEXEC_CORE=y
CONFIG_CRASH_DUMP=y
===
--------------------------------------------------------------------
mipsel-linux-ld: kernel/kexec_core.o: in function `kimage_free':
kernel/kexec_core.c:(.text+0x2200): undefined reference to `machine_kexec_cleanup'
mipsel-linux-ld: kernel/kexec_core.o: in function `__crash_kexec':
kernel/kexec_core.c:(.text+0x2480): undefined reference to `machine_crash_shutdown'
mipsel-linux-ld: kernel/kexec_core.c:(.text+0x2488): undefined reference to `machine_kexec'
mipsel-linux-ld: kernel/kexec_core.o: in function `kernel_kexec':
kernel/kexec_core.c:(.text+0x29b8): undefined reference to `machine_shutdown'
mipsel-linux-ld: kernel/kexec_core.c:(.text+0x29c0): undefined reference to `machine_kexec'
--------------------------------------------------------------------
Here, change the dependency of building kexec_core related object files,
and the ifdeffery in mips from CONFIG_KEXEC to CONFIG_KEXEC_CORE.
Link: https://lkml.kernel.org/r/20231208073036.7884-4-bhe@redhat.com
Signed-off-by: Baoquan He <bhe@redhat.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202311302042.sn8cDPIX-lkp@intel.com/
Cc: Eric DeVolder <eric_devolder@yahoo.com>
Cc: Ignat Korchagin <ignat@cloudflare.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Here is the big set of USB, Thunderbolt, and PHY driver updates for
6.6-rc1. Included in here are:
- PHY driver additions and cleanups
- Thunderbolt minor additions and fixes
- USB MIDI 2 gadget support added
- dwc3 driver updates and additions
- Removal of some old USB wireless code that was missed when that
codebase was originally removed a few years ago, cleaning up some
core USB code paths
- USB core potential use-after-free fixes that syzbot from different
people/groups keeps tripping over
- typec updates and additions
- gadget fixes and cleanups
- loads of smaller USB core and driver cleanups all over the place
Full details are in the shortlog. All of these have been in linux-next
for a while with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt / PHY driver updates from Greg KH:
"Here is the big set of USB, Thunderbolt, and PHY driver updates for
6.6-rc1. Included in here are:
- PHY driver additions and cleanups
- Thunderbolt minor additions and fixes
- USB MIDI 2 gadget support added
- dwc3 driver updates and additions
- Removal of some old USB wireless code that was missed when that
codebase was originally removed a few years ago, cleaning up some
core USB code paths
- USB core potential use-after-free fixes that syzbot from different
people/groups keeps tripping over
- typec updates and additions
- gadget fixes and cleanups
- loads of smaller USB core and driver cleanups all over the place
Full details are in the shortlog. All of these have been in linux-next
for a while with no reported problems"
* tag 'usb-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (154 commits)
platform/chrome: cros_ec_typec: Configure Retimer cable type
tcpm: Avoid soft reset when partner does not support get_status
usb: typec: tcpm: reset counter when enter into unattached state after try role
usb: typec: tcpm: set initial svdm version based on pd revision
USB: serial: option: add FOXCONN T99W368/T99W373 product
USB: serial: option: add Quectel EM05G variant (0x030e)
usb: dwc2: add pci_device_id driver_data parse support
usb: gadget: remove max support speed info in bind operation
usb: gadget: composite: cleanup function config_ep_by_speed_and_alt()
usb: gadget: config: remove max speed check in usb_assign_descriptors()
usb: gadget: unconditionally allocate hs/ss descriptor in bind operation
usb: gadget: f_uvc: change endpoint allocation in uvc_function_bind()
usb: gadget: add a inline function gether_bitrate()
usb: gadget: use working speed to calcaulate network bitrate and qlen
dt-bindings: usb: samsung,exynos-dwc3: Add Exynos850 support
usb: dwc3: exynos: Add support for Exynos850 variant
usb: gadget: udc-xilinx: fix incorrect type in assignment warning
usb: gadget: udc-xilinx: fix cast from restricted __le16 warning
usb: gadget: udc-xilinx: fix restricted __le16 degrades to integer warning
USB: dwc2: hande irq on dead controller correctly
...
range.h works with struct range data type. The resource_size_t
is an alien here.
(1) Move cap_resource() implementation into its only user, and
(2) rename and move RESOURCE_SIZE_MAX to limits.h.
Link: https://lkml.kernel.org/r/20230804064636.15368-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Cc: Borislav Petkov (AMD) <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Commit ddb5cdbafa ("kbuild: generate KSYMTAB entries by modpost")
deprecated <asm/export.h>, which is now a wrapper of <linux/export.h>.
Replace #include <asm/export.h> with #include <linux/export.h>.
After all the <asm/export.h> lines are converted, <asm/export.h> and
<asm-generic/export.h> will be removed.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
DWC3 as implemented in Cavium SoC is using UCTL bridge unit
between I/O interconnect and USB controller.
Currently there is no bond with dwc3 core code, so if anything goes
wrong in UCTL setup dwc3 is left in reset, which leads to bus error
while trying to read any device register. Thus any failure in UCTL
initialization ends with kernel panic.
To avoid this move Octeon DWC3 glue code from arch/mips and make it
proper glue driver which is used instead of dwc3-of-simple.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/ZMd/ReyiY7wS6DvN@lenoch
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A couple more clean-ups in the MIPS code.
The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it was merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h. As a result, there's a pretty much random mix of those include
files used throughout the tree. In order to detangle these headers and
replace the implicit includes with struct declarations, users need to
explicitly include the correct includes.
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it was merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h. As a result, there's a pretty much random mix of those include
files used throughout the tree. In order to detangle these headers and
replace the implicit includes with struct declarations, users need to
explicitly include the correct includes.
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
- added support for Wifi/Bluetooth on CI20
- reworked Ralink clock and reset handling
- cleanups and fixes
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Merge tag 'mips_6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Thomas Bogendoerfer:
- add support for TP-Link HC220 G5 v1
- add support for Wifi/Bluetooth on CI20
- rework Ralink clock and reset handling
- cleanups and fixes
* tag 'mips_6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (58 commits)
MIPS: Loongson64: DTS: Add RTC support to Loongson-2K1000
MIPS: Loongson64: DTS: Add RTC support to LS7A PCH
MIPS: OCTEON: octeon-usb: cleanup divider calculation
MIPS: OCTEON: octeon-usb: introduce dwc3_octeon_{read,write}q
MIPS: OCTEON: octeon-usb: move gpio config to separate function
MIPS: OCTEON: octeon-usb: use bitfields for shim register
MIPS: OCTEON: octeon-usb: use bitfields for host config register
MIPS: OCTEON: octeon-usb: use bitfields for control register
MIPS: OCTEON: octeon-usb: add all register offsets
mips: ralink: match all supported system controller compatible strings
MIPS: dec: prom: Address -Warray-bounds warning
MIPS: DTS: CI20: Raise VDDCORE voltage to 1.125 volts
clk: ralink: mtmips: Fix uninitialized use of ret in mtmips_register_{fixed,factor}_clocks()
mips: ralink: introduce commonly used remap node function
mips: pci-mt7620: use dev_info() to log PCIe device detection result
mips: pci-mt7620: do not print NFTS register value as error log
MAINTAINERS: add Mediatek MTMIPS Clock maintainer
mips: ralink: get cpu rate from new driver code
mips: ralink: remove reset related code
mips: ralink: mt7620: remove clock related code
...
Simple self-contained function is easier to review.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Move all register access code into separate functions and
provide their no-op version for non Octeon platforms.
Later it might be possible to replace them with standard
Linux functions, however datasheets are not publicly available
and I have only one Octeon board to test, so lets stay on safe
side for now.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Power gpio configuration is using Octeon specific code, so
move it to separate function, that can later be guarded
with ifdefs.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Use Linux standard bitfield access macros to manipulate
shim register.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Use Linux standard bitfield access macros to manipulate
host config register.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Code needs to compile for all platforms in order to move it to
drivers/usb/dwc3. Use Linux standard bitfield access macros
to manipulate control register.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Glue code uses a mix of offset and absolute address register
definition. Define all of them as offsets and use them
consistently.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Switch to the CPU hotplug core state tracking and synchronization
mechanim. This unfortunately requires to add dead reporting to the non CPS
platforms as CPS is the only user, but it allows an overall consolidation
of this functionality.
No functional change intended.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Michael Kelley <mikelley@microsoft.com>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Tested-by: Helge Deller <deller@gmx.de> # parisc
Tested-by: Guilherme G. Piccoli <gpiccoli@igalia.com> # Steam Deck
Link: https://lore.kernel.org/r/20230512205256.803238859@linutronix.de
- Mark arch_cpu_idle_dead() __noreturn, make all architectures & drivers that did
this inconsistently follow this new, common convention, and fix all the fallout
that objtool can now detect statically.
- Fix/improve the ORC unwinder becoming unreliable due to UNWIND_HINT_EMPTY ambiguity,
split it into UNWIND_HINT_END_OF_STACK and UNWIND_HINT_UNDEFINED to resolve it.
- Fix noinstr violations in the KCSAN code and the lkdtm/stackleak code.
- Generate ORC data for __pfx code
- Add more __noreturn annotations to various kernel startup/shutdown/panic functions.
- Misc improvements & fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-core-2023-04-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool updates from Ingo Molnar:
- Mark arch_cpu_idle_dead() __noreturn, make all architectures &
drivers that did this inconsistently follow this new, common
convention, and fix all the fallout that objtool can now detect
statically
- Fix/improve the ORC unwinder becoming unreliable due to
UNWIND_HINT_EMPTY ambiguity, split it into UNWIND_HINT_END_OF_STACK
and UNWIND_HINT_UNDEFINED to resolve it
- Fix noinstr violations in the KCSAN code and the lkdtm/stackleak code
- Generate ORC data for __pfx code
- Add more __noreturn annotations to various kernel startup/shutdown
and panic functions
- Misc improvements & fixes
* tag 'objtool-core-2023-04-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (52 commits)
x86/hyperv: Mark hv_ghcb_terminate() as noreturn
scsi: message: fusion: Mark mpt_halt_firmware() __noreturn
x86/cpu: Mark {hlt,resume}_play_dead() __noreturn
btrfs: Mark btrfs_assertfail() __noreturn
objtool: Include weak functions in global_noreturns check
cpu: Mark nmi_panic_self_stop() __noreturn
cpu: Mark panic_smp_self_stop() __noreturn
arm64/cpu: Mark cpu_park_loop() and friends __noreturn
x86/head: Mark *_start_kernel() __noreturn
init: Mark start_kernel() __noreturn
init: Mark [arch_call_]rest_init() __noreturn
objtool: Generate ORC data for __pfx code
x86/linkage: Fix padding for typed functions
objtool: Separate prefix code from stack validation code
objtool: Remove superfluous dead_end_function() check
objtool: Add symbol iteration helpers
objtool: Add WARN_INSN()
scripts/objdump-func: Support multiple functions
context_tracking: Fix KCSAN noinstr violation
objtool: Add stackleak instrumentation to uaccess safe list
...
- added support for virt board aligned to QEMU MIPS virt board
- added support for doing DMA coherence on a per device base
- reworked handling of RALINK SoCs
- cleanup for Loongon64 barriers
- removed deprecated support for MIPS_CMP SMP handling method
- removed support Sibyte CARMEL and CHRINE boards
- cleanups and fixes
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Merge tag 'mips_6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Thomas Bogendoerfer:
- added support for Huawei B593u-12
- added support for virt board aligned to QEMU MIPS virt board
- added support for doing DMA coherence on a per device base
- reworked handling of RALINK SoCs
- cleanup for Loongon64 barriers
- removed deprecated support for MIPS_CMP SMP handling method
- removed support Sibyte CARMEL and CHRINE boards
- cleanups and fixes
* tag 'mips_6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (59 commits)
MIPS: uprobes: Restore thread.trap_nr
MIPS: Don't clear _PAGE_SPECIAL in _PAGE_CHG_MASK
MIPS: Sink body of check_bugs_early() into its only call site
MIPS: Mark check_bugs() as __init
Revert "MIPS: generic: Enable all CPUs supported by virt board in Kconfig"
MIPS: octeon_switch: Remove duplicated labels
MIPS: loongson2ef: Add missing break in cs5536_isa
MIPS: Remove set_swbp() in uprobes.c
MIPS: Use def_bool y for ARCH_SUPPORTS_UPROBES
MIPS: fw: Allow firmware to pass a empty env
MIPS: Remove deprecated CONFIG_MIPS_CMP
MIPS: lantiq: remove unused function declaration
MIPS: Drop unused positional parameter in local_irq_{dis,en}able
MIPS: mm: Remove local_cache_flush_page
MIPS: Remove no longer used ide.h
MIPS: mm: Remove unused *cache_page_indexed flush functions
MIPS: generic: Enable all CPUs supported by virt board in Kconfig
MIPS: Add board config for virt board
MIPS: Octeon: Disable CVMSEG by default on other platforms
MIPS: Loongson: Don't select platform features with CPU
...
Fundamentally semaphores are a counted primitive, but
DEFINE_SEMAPHORE() does not expose this and explicitly creates a
binary semaphore.
Change DEFINE_SEMAPHORE() to take a number argument and use that in the
few places that open-coded it using __SEMAPHORE_INITIALIZER().
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
[mcgrof: add some tribal knowledge about why some folks prefer
binary sempahores over mutexes]
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
QEMU can't emulate CVMSEG on generic platform for now.
Just disable it by default.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
