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Commit Graph

531 Commits

Author SHA1 Message Date
Linus Torvalds
096f286ee3 Just cleanups and fixes
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Merge tag 'mips_6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:
 "Just cleanups and fixes"

* tag 'mips_6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
  MIPS: Alchemy: Fix an out-of-bound access in db1550_dev_setup()
  MIPS: Alchemy: Fix an out-of-bound access in db1200_dev_setup()
  MIPS: Fix typos
  MIPS: Remove unused shadow GPR support from vector irq setup
  MIPS: Allow vectored interrupt handler to reside everywhere for 64bit
  mips: Set dump-stack arch description
  mips: mm: add slab availability checking in ioremap_prot
  mips: Optimize max_mapnr init procedure
  mips: Fix max_mapnr being uninitialized on early stages
  mips: Fix incorrect max_low_pfn adjustment
  mips: dmi: Fix early remap on MIPS32
  MIPS: compressed: Use correct instruction for 64 bit code
  MIPS: SGI-IP27: hubio: fix nasid kernel-doc warning
  MAINTAINERS: Add myself as maintainer of the Ralink architecture
2024-01-17 11:20:50 -08:00
Bjorn Helgaas
2f9060b1db MIPS: Fix typos
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>
2024-01-08 10:39:12 +01:00
Baoquan He
8cd2accb71 mips, kexec: fix the incorrect ifdeffery and dependency of CONFIG_KEXEC
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>
2023-12-12 17:20:18 -08:00
Linus Torvalds
ac2224a467 just cleanups and fixes
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Merge tag 'mips_6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:
 "Just cleanups and fixes"

* tag 'mips_6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
  MIPS: TXx9: Do PCI error checks on own line
  arch/mips/configs/*_defconfig cleanup
  MIPS: VDSO: Conditionally export __vdso_gettimeofday()
  Mips: loongson3_defconfig: Enable ast drm driver by default
  mips: remove <asm/export.h>
  mips: replace #include <asm/export.h> with #include <linux/export.h>
  mips: remove unneeded #include <asm/export.h>
  MIPS: Loongson64: Fix more __iomem attributes
  MIPS: loongson32: Remove regs-rtc.h
  MIPS: loongson32: Remove regs-clk.h
  MIPS: More explicit DT include clean-ups
  MIPS: Fixup explicit DT include clean-up
  Revert MIPS: Loongson: Fix build error when make modules_install
  MIPS: Only fiddle with CHECKFLAGS if `need-compiler'
  MIPS: Fix CONFIG_CPU_DADDI_WORKAROUNDS `modules_install' regression
  MIPS: Explicitly include correct DT includes
2023-09-07 10:35:14 -07:00
Linus Torvalds
51e7accbe8 USB / Thunderbolt / PHY driver update for 6.6-rc1
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
  ...
2023-09-01 09:23:34 -07:00
Andy Shevchenko
3c9d017cc2 range.h: Move resource API and constant to respective files
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>
2023-08-18 10:19:00 -07:00
Masahiro Yamada
9259e15b3f mips: replace #include <asm/export.h> with #include <linux/export.h>
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>
2023-08-15 10:22:23 +02:00
Ladislav Michl
976f82e8aa usb: dwc3: dwc3-octeon: Convert to glue driver
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>
2023-08-04 14:52:15 +02:00
Rob Herring
e1a7566d09 MIPS: More explicit DT include clean-ups
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>
2023-07-28 11:41:18 +02:00
Rob Herring
657c45b303 MIPS: Explicitly include correct DT includes
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>
2023-07-25 10:42:01 +02:00
Linus Torvalds
b775d6c585 - added support for TP-Link HC220 G5 v1
- 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
  ...
2023-06-29 15:01:51 -07:00
Ladislav Michl
dc917ea7a2 MIPS: OCTEON: octeon-usb: cleanup divider calculation
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>
2023-06-23 15:06:40 +02:00
Ladislav Michl
2257c6c90e MIPS: OCTEON: octeon-usb: introduce dwc3_octeon_{read,write}q
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>
2023-06-23 15:06:40 +02:00
Ladislav Michl
793bef5709 MIPS: OCTEON: octeon-usb: move gpio config to separate function
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>
2023-06-23 15:06:40 +02:00
Ladislav Michl
940692c6cc MIPS: OCTEON: octeon-usb: use bitfields for shim register
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>
2023-06-23 15:06:40 +02:00
Ladislav Michl
74ac367c9c MIPS: OCTEON: octeon-usb: use bitfields for host config register
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>
2023-06-23 15:06:40 +02:00
Ladislav Michl
ce942c0f69 MIPS: OCTEON: octeon-usb: use bitfields for control register
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>
2023-06-23 15:06:40 +02:00
Ladislav Michl
c7b6a1eb2f MIPS: OCTEON: octeon-usb: add all register offsets
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>
2023-06-23 15:06:40 +02:00
Thomas Gleixner
c8d2bcc467 MIPS: SMP_CPS: Switch to hotplug core state synchronization
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
2023-05-15 13:44:58 +02:00
Linus Torvalds
2aff7c706c Objtool changes for v6.4:
- 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
  ...
2023-04-28 14:02:54 -07:00
Linus Torvalds
91ec4b0d11 - 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
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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
  ...
2023-04-27 17:46:52 -07:00
Peter Zijlstra
48380368de Change DEFINE_SEMAPHORE() to take a number argument
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>
2023-04-18 11:15:24 -07:00
Jiaxun Yang
78073b8f1f MIPS: Octeon: Disable CVMSEG by default on other platforms
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>
2023-04-05 09:45:09 +02:00
Thomas Bogendoerfer
101f26c728 MIPS: octeon: Fix compile error
Commit ed6a0b6e9f ("MIPS: octeon: Use of_address_to_resource()") lost
a cast, which causes a compile error.

Fixes: ed6a0b6e9f ("MIPS: octeon: Use of_address_to_resource()")
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2023-03-27 10:39:47 +02:00
Rob Herring
ed6a0b6e9f MIPS: octeon: Use of_address_to_resource()
Replace of_get_address() and of_translate_address() calls with single
call to of_address_to_resource().

Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2023-03-24 14:01:39 +01:00
Josh Poimboeuf
142dbcf3b6 mips/cpu: Expose play_dead()'s prototype definition
Include <asm/smp.h> to make sure play_dead() matches its prototype going
forward.

Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lkml.kernel.org/r/20230216184249.ogaqsaykottpxtcb@treble
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
2023-03-08 08:44:19 -08:00
Ladislav Michl
4a24f6e0cc MIPS: OCTEON: octeon-usb: Consolidate error messages
Console output currently looks like USB clocks initialized succesfully
even in case of error. Fix that and use consistently dev_err for fatal
errors otherwise dev_warn.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2023-01-27 17:09:15 +01:00
Ladislav Michl
4c587a9826 MIPS: OCTEON: warn only once if deprecated link status is being used
Avoid flooding kernel log with warnings.

Fixes: 2c0756d306 ("MIPS: OCTEON: warn if deprecated link status is being used")
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2022-12-09 23:37:46 +01:00
Xu Panda
ef92750e11 MIPS: OCTEON: cvmx-bootmem: use strscpy() to instead of strncpy()
The implementation of strscpy() is more robust and safer.

Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
Signed-off-by: Yang Yang <yang.yang29@zte.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2022-12-08 11:34:51 +01:00
Liu Shixin
6f674034b4 mips: cavium: convert to DEFINE_SHOW_ATTRIBUTE
Use DEFINE_SHOW_ATTRIBUTE helper macro to simplify the code.

Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2022-09-19 16:39:47 +02:00
Shaomin Deng
050a3f1db5 MIPS: Fix comments typo
Remove the repeated word "as" in comments.

Signed-off-by: Shaomin Deng <dengshaomin@cdjrlc.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2022-09-12 15:34:38 +02:00
Alexander Sverdlin
ba912afbd6 MIPS: OCTEON: irq: Fix octeon_irq_force_ciu_mapping()
For irq_domain_associate() to work the virq descriptor has to be
pre-allocated in advance. Otherwise the following happens:

WARNING: CPU: 0 PID: 0 at .../kernel/irq/irqdomain.c:527 irq_domain_associate+0x298/0x2e8
error: virq128 is not allocated
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.78-... #1
        ...
Call Trace:
[<ffffffff801344c4>] show_stack+0x9c/0x130
[<ffffffff80769550>] dump_stack+0x90/0xd0
[<ffffffff801576d0>] __warn+0x118/0x130
[<ffffffff80157734>] warn_slowpath_fmt+0x4c/0x70
[<ffffffff801b83c0>] irq_domain_associate+0x298/0x2e8
[<ffffffff80a43bb8>] octeon_irq_init_ciu+0x4c8/0x53c
[<ffffffff80a76cbc>] of_irq_init+0x1e0/0x388
[<ffffffff80a452cc>] init_IRQ+0x4c/0xf4
[<ffffffff80a3cc00>] start_kernel+0x404/0x698

Use irq_alloc_desc_at() to avoid the above problem.

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2022-09-07 15:08:04 +02:00
Alexander Sverdlin
388f788341 MIPS: octeon: Get rid of preprocessor directives around RESERVE32
Some of them were pointless because CONFIG_CAVIUM_RESERVE32 is now always
defined, some were not enough (Yu Zhao reported
"Failed to allocate CAVIUM_RESERVE32 memory area" error).

Removing the directives allows for compiler coverage of RESERVE32 code and
replacing one of [always-true] "ifdef" with a compiler conditional fixes
the [cosmetic] error message.

Fixes: 3e3114ac46 ("MIPS: Introduce CAVIUM_RESERVE32 Kconfig option")

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2022-09-07 14:55:16 +02:00
Linus Torvalds
d77771c926 added support for Netgear WNR3500L v2
removed support for VR41xx SoC and platforms based on it
 cleanups and fixes
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Merge tag 'mips_6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:

 - added support for Netgear WNR3500L v2

 - removed support for VR41xx SoC and platforms based on it

 - cleanups and fixes

* tag 'mips_6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (25 commits)
  MIPS: tlbex: Explicitly compare _PAGE_NO_EXEC against 0
  Revert "MIPS: octeon: Remove vestiges of CONFIG_CAVIUM_RESERVE32"
  MIPS: Introduce CAVIUM_RESERVE32 Kconfig option
  MIPS: msi-octeon: eliminate kernel-doc warnings
  MIPS: Fix comment typo
  MIPS: BMIPS: Utilize cfe_die() for invalid DTB
  MIPS: CFE: Add cfe_die()
  MIPS: Fixed __debug_virt_addr_valid()
  MIPS: BCM47XX: Add support for Netgear WNR3500L v2
  MIPS: Remove VR41xx support
  MIPS: dts: align gpio-key node names with dtschema
  MIPS: dts: correct gpio-keys names and properties
  MIPS: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK
  MIPS: Make phys_to_virt utilize __va()
  MIPS: vdso: Utilize __pa() for gic_pfn
  MIPS: mm: Use the bitmap API to allocate bitmaps
  MIPS: math-emu: Use the bitmap API to allocate bitmaps
  MIPS: Loongson64: Fix section mismatch warning
  mips: cavium-octeon: Fix missing of_node_put() in octeon2_usb_clocks_start
  MIPS: mscc: ocelot: enable FDMA usage
  ...
2022-08-06 16:47:19 -07:00
Alexander Sverdlin
534ea58b3c Revert "MIPS: octeon: Remove vestiges of CONFIG_CAVIUM_RESERVE32"
This reverts commit e98b461bb0.

We actually have been using the CONFIG_CAVIUM_RESERVE32 and previous patch
defined it in the corresponding Kconfig.

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2022-07-30 10:59:36 +02:00
Alexander Sverdlin
3e3114ac46 MIPS: Introduce CAVIUM_RESERVE32 Kconfig option
This options is used to reserve a shared memory region for user processes
to use for hardware memory buffers. The actual code to support the option
comes in the following patch.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2022-07-30 10:59:02 +02:00
Samuel Holland
4d0b829881 genirq: Return a const cpumask from irq_data_get_affinity_mask
Now that the irq_data_update_affinity helper exists, enforce its use
by returning a a const cpumask from irq_data_get_affinity_mask.

Since the previous commit already updated places that needed to call
irq_data_update_affinity, this commit updates the remaining code that
either did not modify the cpumask or immediately passed the modified
mask to irq_set_affinity.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220701200056.46555-8-samuel@sholland.org
2022-07-07 09:38:04 +01:00
Liang He
7a9f743cee mips: cavium-octeon: Fix missing of_node_put() in octeon2_usb_clocks_start
We should call of_node_put() for the reference 'uctl_node' returned by
of_get_parent() which will increase the refcount. Otherwise, there will
be a refcount leak bug.

Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2022-07-05 11:16:03 +02:00
Zhang Jiaming
5e1138c657 MIPS: Fix some typos
Change 'modifed' to 'modified'.
Change 'relys' to 'relies'.

Signed-off-by: Zhang Jiaming <jiaming@nfschina.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2022-07-05 11:12:12 +02:00
Linus Torvalds
73d15ba6ba Cleanups and fixes
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Merge tag 'mips_5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:
 "Cleanups and fixes"

* tag 'mips_5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (38 commits)
  MIPS: RALINK: Define pci_remap_iospace under CONFIG_PCI_DRIVERS_GENERIC
  MIPS: Use memblock_add_node() in early_parse_mem() under CONFIG_NUMA
  MIPS: Return -EINVAL if mem parameter is empty in early_parse_mem()
  MIPS: Kconfig: Fix indentation and add endif comment
  MIPS: bmips: Fix compiler warning observed on W=1 build
  MIPS: Rewrite `csum_tcpudp_nofold' in plain C
  mips: setup: use strscpy to replace strlcpy
  MIPS: Octeon: add SNIC10E board
  MIPS: Ingenic: Refresh defconfig for CU1000-Neo and CU1830-Neo.
  MIPS: Ingenic: Refresh device tree for Ingenic SoCs and boards.
  MIPS: Ingenic: Add PWM nodes for X1830.
  MIPS: Octeon: fix typo in comment
  MIPS: loongson32: Kconfig: Remove extra space
  MIPS: Sibyte: remove unnecessary return variable
  MIPS: Use NOKPROBE_SYMBOL() instead of __kprobes annotation
  selftests/ftrace: Save kprobe_events to test log
  MIPS: tools: no need to initialise statics to 0
  MIPS: Loongson: Use hwmon_device_register_with_groups() to register hwmon
  MIPS: VR41xx: Drop redundant spinlock initialization
  MIPS: smp: optimization for flush_tlb_mm when exiting
  ...
2022-05-30 11:01:50 -07:00
Julia Lawall
94bd83e45a MIPS: fix typos in comments
Various spelling mistakes in comments.
Detected with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2022-05-04 22:22:59 +02:00
Stijn Tintel
aa88b7066a MIPS: Octeon: support all interfaces on CN66XX
CN66XX_PASS1_0 has 7 interfaces, other revisions have 8 interfaces.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2022-04-26 15:12:17 +02:00
Stijn Tintel
407710a3b5 MIPS: Octeon: fix CN6640 hang on XAUI init
Some CN66XX series Octeon II chips seem to hang if a reset is issued on
XAUI initialization. Avoid the hang by disabling the reset.

Tested on SNIC10E.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2022-04-26 15:12:03 +02:00
Christoph Hellwig
c6af2aa9ff swiotlb: make the swiotlb_init interface more useful
Pass a boolean flag to indicate if swiotlb needs to be enabled based on
the addressing needs, and replace the verbose argument with a set of
flags, including one to force enable bounce buffering.

Note that this patch removes the possibility to force xen-swiotlb use
with the swiotlb=force parameter on the command line on x86 (arm and
arm64 never supported that), but this interface will be restored shortly.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
2022-04-18 07:21:11 +02:00
Christoph Hellwig
f39f8d0eb0 MIPS/octeon: use swiotlb_init instead of open coding it
Use the generic swiotlb initialization helper instead of open coding it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
2022-04-18 07:21:10 +02:00
Rikard Falkeborn
b7c8c2c6b1 MIPS: OCTEON: Constify static irq_domain_ops
The only usage of these structs is to pass their address to either
irq_domain_add_tree() or irq_domain_create_linear(), both which takes
pointers to const struct irq_domain_ops. Make them const to allow the
compiler to put them in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2022-02-22 09:38:50 +01:00
Thomas Bogendoerfer
50317b636e MIPS: octeon: Fix missed PTR->PTR_WD conversion
Fixes: fa62f39dc7 ("MIPS: Fix build error due to PTR used in more places")
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2022-02-01 08:35:12 +01:00
Linus Torvalds
3fb561b1e0 - added support for more BCM47XX based devices
- added MIPS support for brcmstb PCIe controller
 - added Loongson 2K1000 reset driver
 - removed board support for rbtx4938/rbtx4939
 - removed support for TX4939 SoCs
 - fixes and cleanups
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Merge tag 'mips_5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:

 - add support for more BCM47XX based devices

 - add MIPS support for brcmstb PCIe controller

 - add Loongson 2K1000 reset driver

 - remove board support for rbtx4938/rbtx4939

 - remove support for TX4939 SoCs

 - fixes and cleanups

* tag 'mips_5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (59 commits)
  MIPS: ath79: drop _machine_restart again
  PCI: brcmstb: Augment driver for MIPs SOCs
  MIPS: bmips: Remove obsolete DMA mapping support
  MIPS: bmips: Add support PCIe controller device nodes
  dt-bindings: PCI: Add compatible string for Brcmstb 74[23]5 MIPs SOCs
  MIPS: compressed: Fix build with ZSTD compression
  MIPS: BCM47XX: Add support for Netgear WN2500RP v1 & v2
  MIPS: BCM47XX: Add support for Netgear R6300 v1
  MIPS: BCM47XX: Add LEDs and buttons for Asus RTN-10U
  MIPS: BCM47XX: Add board entry for Linksys WRT320N v1
  MIPS: BCM47XX: Define Linksys WRT310N V2 buttons
  MIPS: Remove duplicated include in local.h
  MIPS: retire "asm/llsc.h"
  MIPS: rework local_t operation on MIPS64
  MIPS: fix local_{add,sub}_return on MIPS64
  mips/pci: remove redundant ret variable
  MIPS: Loongson64: Add missing of_node_put() in ls2k_reset_init()
  MIPS: new Kconfig option ZBOOT_LOAD_ADDRESS
  MIPS: enable both vmlinux.gz.itb and vmlinuz for generic
  MIPS: signal: Return immediately if call fails
  ...
2022-01-14 15:08:36 +01:00
Tianjia Zhang
63bdbfc146 crypto: mips/sha - remove duplicate hash init function
sha*_base_init() series functions has implemented the initialization
of the hash context, this commit use sha*_base_init() function to
replace repeated implementations.

Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2021-12-31 18:10:54 +11:00
Ye Guojin
858779df1c MIPS: OCTEON: add put_device() after of_find_device_by_node()
This was found by coccicheck:
./arch/mips/cavium-octeon/octeon-platform.c, 332, 1-7, ERROR missing
put_device; call of_find_device_by_node on line 324, but without a
corresponding object release within this function.
./arch/mips/cavium-octeon/octeon-platform.c, 395, 1-7, ERROR missing
put_device; call of_find_device_by_node on line 387, but without a
corresponding object release within this function.
./arch/mips/cavium-octeon/octeon-usb.c, 512, 3-9, ERROR missing
put_device; call of_find_device_by_node on line 515, but without a
corresponding object release within this function.
./arch/mips/cavium-octeon/octeon-usb.c, 543, 1-7, ERROR missing
put_device; call of_find_device_by_node on line 515, but without a
corresponding object release within this function.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Ye Guojin <ye.guojin@zte.com.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2021-12-16 15:57:57 +01:00