| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Correct some of the most obvious spelling and grammar
mistakes in drivers/acpi/video.c (comments and printk output).
Signed-off-by: Julius Volz <juliusrv@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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IMHO, ACPI disabled due to DMI failure or blacklisted year should be noted,
as is done with other ACPI blacklisting.
This will help people troubleshoot when ACPI isn't working. Status quo is
a mysterious "ACPI Disabled" message without explanation on BIOS that
implements ACPI but not DMI. This is actually fairly common on embedded
x86 boards.
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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This patch makes some needlessly global code static.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Cc: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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x86_64 nvidia_bugs() broke when we bailed out on not finding the HPET.
However, the quirk works by checking for not finding the HPET...
Delete the nvidia_hpet_detected flag and simply test for
not finding the HPET, which is simple to do now that
acpi_table_parse returns 1 on failure.
Signed-off-by: Len Brown <len.brown@intel.com>
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(http://www.mail-archive.com/linux-acpi@vger.kernel.org/msg05270.html):
References : http://lkml.org/lkml/2007/2/21/413
http://lkml.org/lkml/2007/2/28/172
Submitter : Arkadiusz Miskiewicz <arekm@maven.pl>
Caused-By : Konstantin Karasyov <konstantin.a.karasyov@intel.com>
commit 0a6139027f3986162233adc17285151e78b39cac
Do not disable power resources on resume even if there are no devices referencing it.
Signed-off-by: Konstantin Karasyov <konstantin.a.karasyov@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Bernhard Walle <bwalle@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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drivers/misc/sony-laptop.c: In function 'sony_acpi_add':
drivers/misc/sony-laptop.c:456: warning: 'result' may be used uninitialized in this function
The compiler seems to actually be telling the truth this time.
Cc: Mattia Dongili <malattia@linux.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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Delay the read of the EC status register until
after the event that caused it occurs -- otherwise
it is possible to read and act on stale status that was
associated with the previous event.
Do this with a perpetually incrementing "event_count" to detect
when a new event occurs and it is safe to read status.
There is no workaround for polling mode -- it is inherently
exposed to reading and acting on stale status, since it
doesn't have an interrupt to tell it the event completed.
http://bugzilla.kernel.org/show_bug.cgi?id=8110
Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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patch "Delete recursive feature of ACPI Global Lock"
broke re-entrancy of the Global Lock.
The common routine to acquire GL is acpi_ev_acquire_global_lock,
so check for re-entrancy _must_ be there, and not anywhere else.
http://bugzilla.kernel.org/show_bug.cgi?id=8066#c9
Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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The ACPI specification states, and BIOS implementations depend on,
_STM being called before _GTF.
SATA does this, but PATA does not. So for now, simply
prevent execution of _GTF on PATA devices. Longer term we
should implement ACPI support for PATA devices in libata.
Signed-off-by: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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http://bugzilla.kernel.org/show_bug.cgi?id=7570#c14
Signed-off-by: Konstantin Karasyov <konstantin.a.karasyov@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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This is a workaround to handle a BIOS bug where the
programmer exchanged the name and index fields of
a _PRT entry. Apparently this BIOS error does not
confuse Windows and thus it lurks in the field
on various machines.
boot with "acpi=strict" to disable this workaround
http://bugzilla.kernel.org/show_bug.cgi?id=6859
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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The PNPACPI resource flags were broken.
This would apply to re-enabling a device any-time after boot,
not just after resume from S3.
http://bugzilla.kernel.org/show_bug.cgi?id=6316
Acked-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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The root cause of this bug shows that this machine
could not possibly run an ACPI-aware OS without a
model specific workaround.
http://bugzilla.kernel.org/show_bug.cgi?id=5966
Signed-off-by: Len Brown <len.brown@intel.com>
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Improve the backlight code to emulate as much as possible the power
management events, as we are unable to really power on or power off the
backlight.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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Make ibm-acpi bay support optional at kernel compile time.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
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The brightness class core does not update the initial status of the
device's brightness at register time. Do it by ourselves.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: Richard Purdie <rpurdie@rpsys.net>
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To provide compatibilty with SN kernels that do and do not
have ACPI IO support, the SN PROM must build different
versions of some ACPI tables based on which kernel is booting.
As such, the tables may have to change at kernel boot time.
By default, prior to kernel boot, the PROM builds an empty
DSDT (header only) and no SSDTs. If an ACPI capable kernel
boots, the kernel will notify the PROM, at platform setup time,
and the PROM will build full DSDT and SSDT tables.
With the latest changes to acpi_table_init(), the table lengths
are saved, and when our PROM changes them, the changes are not seen,
and the kernel will crash on boot. Because of issues with kexec support,
we are not able to create the tables prior to acpi_table_init().
As a result, we are making a second call to acpi_table_init() to
process the rebuilt DSDT and SSDTs.
Signed-off-by: John Keller <jpk@sgi.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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SN code to initialize the Hub/TIO infrastructure needs to
execute before bus scanning. This was previously done with
an early call to acpi_bus_register_driver(). But now that
ACPI is using the Linux driver model, a driver cannot be registered
that early. Make changes to have the init routines invoked via
calls to acpi_get_devices().
Signed-off-by: John Keller <jpk@sgi.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] 85xx: Enable CONFIG_SERIAL_8250_SHARE_IRQ
[POWERPC] Select u-image as default image for Linkstation
[POWERPC] 83xx: Minor fixes for 834x_mds USB setup code
[POWERPC] Fix warning in powermac pci.c
[POWERPC] Fix warning in powermac feature.c
[POWERPC] Fix warning in prom_parse.c of_irq_map_oldworld()
[POWERPC] Celleb: bug fix caused by not casting pointer types
[POWERPC] Add missing newline in xmon help output
[POWERPC] No DEEPNAP on 970MP 1.0
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On chip 8250 UARTs share an interrupts on existing 85xx processors.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Fixes image build error:
ln: accessing `arch/powerpc/boot/zImage': No such file or directory
make[1]: *** [arch/powerpc/boot/zImage] Error 1
make: *** [zImage] Error 2
Signed-off-by: Segher Boessenkool <segher@kernel.crashing.org>
Acked-by: G. Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Fix broken node manipulating code, and clarify inaccurate comment.
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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This fixes a warning due to unused result from pci_enable_device() in
powermac pci.c
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This fixes a warning due to unused return from pci_enable_device() in
powermac feature.c core99_ata100_enable() function.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This function spews a warning due to possible use of an uninitialized
variable. This can happen on broken device-trees or when called with
a NULL argument. Makes ure we properly fail instead.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This fixes a bug caused by changes of pointer type in
commit f1fda89522c5aaa1bd4ef69605e85e6ee9c85faf.
hose->cfg_addr type is "volatile unsigned int __iomem *", so
"hose->cfg_addr + X" will not make an intended address.
This patch also adds comments for usage of cfg_addr and cfg_data in
pci_controller structure. We use them in irregular way, and the
original code is short of explanations about them.
Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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My patch to add spu disassembly (af89fb8041562508895c8f3ba04790d7c2f4338c)
removed a newline from the xmon help that it shouldn't have, put it back.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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970MP rev 1.0 is reported to have nonworking DEEPNAP support, we've had
bug reports of lockups on those machines. Appearantly Apple used them
on some dual-core dual-cpu systems. Rev 1.1 is OK, and that's the one
that all 4-way systems seem to use.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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o Fix build error.
o Handle error returns.
o Deal with signals received while sleeping.
o Don't allow to be selected when we're not building the directory with
the driver anyway.
o Coding style cleanups.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] DEC: Remove call to register_prom_console.
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Register_prom_console was removed when mips was converted to early printk.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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* git://git.infradead.org/mtd-2.6:
[JFFS2] print a message when marking bad block
[JFFS2] Check for all-zero node headers
[MTD] [OneNAND] Classify the page data and oob buffer
[MTD] [OneNAND] Exit the loop when transferring/filling of the oob is finished
[MTD] [OneNAND] add Nokia Copyright and a credit
[MTD] [OneNAND] Fix typo & wrong comments
[MTD] [OneNAND] Use oob buffer instead of main one in oob functions
[MTD] Correct partition failed erase address
[JFFS2] Use yield() between GC passes in background thread.
[MTD] [NAND] Correct misspelled preprocessor variable.
[MTD] [MAPS] dilnetpc: Fix printk warning
[MTD] [NOR] Fix oops in cfi_amdstd_sync
[MTD] ESB2 check for closed ROM window
[JFFS2] Fix writebuffer recovery in the first page of a block
[MTD] [NAND] make oobavail public
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New bad eraseblock is an event which is important enough to be printed
about.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Due to a poor choice of CRC32 seed, a node header which is all zeroes
would pass the CRC32 check. Explicitly check for this case, and treat it
as we do a CRC failure.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Classify the page data and oob buffer
and it prevents the memory fragementation (writesize + oobsize)
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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When transferring/filling of the oob is finished in OOB_AUTO, we exit the loop
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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add Nokia Copyright and a credit
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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