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Rewrite the whole driver and drop the own code to calculate load
average, disk and LAN load. Switch instead to use the in-kernel LED
subsystem, which gives us quite some advantages, e.g.
- existing triggers for heartbeat and disk/lan activity can be used
- users can configre the LEDs at will to any existing trigger via
/sys/class/leds
- less overhead since we don't need to run own timers
- fully integrated in Linux and as such cleaner code.
Note that the driver now depends on CONFIG_LEDS_CLASS which has to
be built-in and not as module.
Signed-off-by: Helge Deller <deller@gmx.de>
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We introduce a new HAS_IOPORT Kconfig option to indicate support for I/O
Port access. In a future patch HAS_IOPORT=n will disable compilation of
the I/O accessor functions inb()/outb() and friends on architectures
which can not meaningfully support legacy I/O spaces such as s390.
The following architectures do not select HAS_IOPORT:
* ARC
* C-SKY
* Hexagon
* Nios II
* OpenRISC
* s390
* User-Mode Linux
* Xtensa
All other architectures select HAS_IOPORT at least conditionally.
The "depends on" relations on HAS_IOPORT in drivers as well as ifdefs
for HAS_IOPORT specific sections will be added in subsequent patches on
a per subsystem basis.
Co-developed-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@kernel.org>
Acked-by: Johannes Berg <johannes@sipsolutions.net> # for ARCH=um
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Add SPDX license identifiers to all Make/Kconfig files which:
- Have no license information of any form
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0-only
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Let architectures opt into EISA support by selecting HAVE_EISA and
handle everything else in drivers/eisa.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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There is nothing architecture specific in the PCMCIA core, so allow
building it everywhere. The actual host controllers will depend on ISA,
PCI or a specific SOC.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Dominik Brodowski <linux@dominikbrodowski.net>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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There is no good reason to duplicate the PCI menu in every architecture.
Instead provide a selectable HAVE_PCI symbol that indicates availability
of PCI support, and a FORCE_PCI symbol to for PCI on and the handle the
rest in drivers/pci.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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This avoids selecting IOMMU_HELPER just for this function. And we only
use it once or twice in normal builds so this often even is a size
reduction.
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Include pci/hotplug/Kconfig directly from pci/Kconfig, so arches don't
have to source both pci/Kconfig and pci/hotplug/Kconfig.
Note that this effectively adds pci/hotplug/Kconfig to the following
arches, because they already sourced drivers/pci/Kconfig but they
previously did not source drivers/pci/hotplug/Kconfig:
alpha
arm
avr32
frv
m68k
microblaze
mn10300
sparc
unicore32
Inspired-by-patch-from: Bogicevic Sasa <brutallesale@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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LED activity is calculated out of the vm event counters wich are delivered
through the all_vm_events() function which requires CONFIG_VM_EVENT_COUNTERS.
Signed-off-by: Helge Deller <deller@gmx.de>
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These Kconfig entries have been commented out since (at least)
v2.6.12-rc2 (the first commit of the git repository). There's no
indication why they're commented out. They might as well be removed.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Make PARISC's two IOMMU implementations not allocate a memory area spanning
LLD's segment boundary.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Kyle McMartin <kyle@parisc-linux.org>
Cc: Matthew Wilcox <matthew@wil.cx>
Cc: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch removes a limitation of the original code, so that CHASSIS
codes can be sent to all machines. On machines with a LCD panel, this
code displays "INI" during bootup, "RUN" when the system is booted and
running, "FLT" when a panic occurs, etc.
This part of the code can be enabled/disabled through CONFIG_PDC_CHASSIS
This patch also adds minimalistic support for Chassis warnings, through
a proc entry '/proc/chassis', which will reflect the warnings status (PSU
or fans failure when they happen, NVRAM battery level and temperature
thresholds overflows).
This part of the code can be enabled/disabled through CONFIG_PDC_CHASSIS_WARN
Signed-off-by: Thibaut VARENE <varenet@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
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Add PDC stable storage driver. Also reorganise PA-RISC Kconfig a little.
Signed-off-by: Thibaut VARENE <varenet@parisc-linux.org>
Signed-off-by: Matthew Wilcox <willy@parisc-linux.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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As a bonus: cris, h8300, m68k and sparc can use CONFIG_HOTPLUG now.
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PA-RISC specific driver updates:
- Stop pasting __FILE__
- Improve card-mode Dino support (James Bottomley)
- Fix dev->bridge rename (James Bottomley)
- iosapic/SBA/LBA cleanups (Grant Grundler)
- Improve LED support (Helge Deller)
- Fix mux driver (Ryan Bradetich)
- Make STI framebuffer work on RDI PrecisionBook (Helge Deller)
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Highlights:
- Switch to generic ioctl32 handling
- Use the new *_defconfig mechanism
- Use drivers/Kconfig
- Big signal cleanups and support for restartable syscalls
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arch/parisc, drivers/parisc and include/asm-parisc updates:
- Fixups for struct timespec changes (James Bottomley)
- Add CONFIG_FRAME_POINTER (Thibaut Varene)
- Fix hpux ustat emulation (Helge Deller)
- Add a ->remove operation to struct parisc_device (James Bottomley)
- More work on modules (James Bottomley)
- More unaligned instructions handled (LaMont Jones)
- Fix byteswap assembly (Grant Grundler)
- Allow ISA support to be selected (Matthew Wilcox)
- Fix swapping (James Bottomley)
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This update covers a lot of changes to arch/parisc and parisc-specific
drivers.
- irq_return_t changes
- more work on the module loader (James Bottomley)
- rewrite of led.c by Helge Deller
- many miscellaneous updates
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Base patch adding sysfs support for the EISA bus
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Updates for drivers/parisc. Mostly conversion to generic device model.
New hppb driver from Ryan Bradetich.
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- CREDITS & MAINTAINERS updates
- changes for the new kstat/dkstat struct
- Kconfig updates
- L_TARGET isn't obsolete yet
- fix the sys_truncate/truncate64 issue properly this time
- add MAP_POPULATE & MAP_NONBLOCK definitions
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This huge patch moves a bunch of drivers from arch/parisc/kernel to
drivers/parisc and adds some new drivers in drivers/parisc.
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