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Fix bug introduced by:
commit 2dde7861afa23cd59db83515cb0b810b92b220aa
Author: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri Apr 18 00:46:23 2008 +0200
ide: rework PowerMac media-bay support (take 2)
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[ Yeah, I suck. ]
bay->cd_index shouldn't be changed if IDE devices are not present
or retry operations won't happen.
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Signed-off-by: Daniel Walker <dwalker@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Signed-off-by: Daniel Walker <dwalker@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Signed-off-by: Daniel Walker <dwalker@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This implements a new driver named windfarm_pm121, which drives the
fans on PowerMac 12,1 machines : iMac G5 iSight (rev C) 17" and
20". It's based on the windfarm_pm81 driver from Benjamin
Herrenschmidt.
This includes fixes from David Woodhouse correcting the names of some
of the sensors.
Signed-off-by: Étienne Bersac <bersace@gmail.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (49 commits)
[POWERPC] Add zImage.iseries to arch/powerpc/boot/.gitignore
[POWERPC] bootwrapper: fix build error on virtex405-head.S
[POWERPC] 4xx: Fix 460GT support to not enable FPU
[POWERPC] 4xx: Add NOR FLASH entries to Canyonlands and Glacier dts
[POWERPC] Xilinx: of_serial support for Xilinx uart 16550.
[POWERPC] Xilinx: boot support for Xilinx uart 16550.
[POWERPC] celleb: Add support for PCI Express
[POWERPC] celleb: Move miscellaneous files for Beat
[POWERPC] celleb: Move a file for SPU on Beat
[POWERPC] celleb: Move files for Beat mmu and iommu
[POWERPC] celleb: Move files for Beat hvcall interfaces
[POWERPC] celleb: Move the SCC related code for celleb
[POWERPC] celleb: Move the files for celleb base support
[POWERPC] celleb: Consolidate io-workarounds code
[POWERPC] cell: Generalize io-workarounds code
[POWERPC] Add CONFIG_PPC_PSERIES_DEBUG to enable debugging for platforms/pseries
[POWERPC] Convert from DBG() to pr_debug() in platforms/pseries/
[POWERPC] Register udbg console early on pseries LPAR
[POWERPC] Mark udbg console as CON_ANYTIME, ie. callable early in boot
[POWERPC] Set udbg_console index to 0
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (40 commits)
Input: wacom - add support for Cintiq 20WSX
Input: ucb1400_ts - IRQ probe fix
Input: at32psif - update MODULE_AUTHOR with new email
Input: mac_hid - add lockdep annotation to emumousebtn
Input: i8042 - fix incorrect usage of strncpy and strncat
Input: bf54x-keys - add infrastructure for keypad wakeups
Input: add MODULE_ALIAS() to hotpluggable platform modules
Input: drivers/char/keyboard.c - use time_after
Input: fix ordering in joystick Makefile
Input: wm97xx-core - support use as a wakeup source
Input: wm97xx-core - use IRQF_SAMPLE_RANDOM
Input: wm97xx-core - only schedule interrupt handler if not already scheduled
Input: add Zhen Hua driver
Input: aiptek - add support for Genius G-PEN 560 tablet
Input: wacom - implement suspend and autosuspend
Input: xpad - set proper buffer length for outgoing requests
Input: omap-keypad - fix build warning
Input: gpio_keys - irq handling cleanup
Input: add PS/2 serio driver for AVR32 devices
Input: put ledstate in the keyboard notifier
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The mouse button emulation calls input device methods from an input
device. This causes funny lock nesting which is harmless as each
device has its own locks.
Give the nesting device its own lock classes so that lockdep will not
consider them the same.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Since 43cc71eed1250755986da4c0f9898f9a635cb3bf, the platform modalias
is prefixed with "platform:". Add MODULE_ALIAS() to the hotpluggable
"macintosh" platform drivers, to re-enable auto loading.
[dbrownell@users.sourceforge.net: registration fixes]
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
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Rework PowerMac media-bay support in such way that instead of
un/registering the IDE interface we un/register IDE devices:
* Add ide_port_scan() helper for probing+registerering devices on a port.
* Rename ide_port_unregister_devices() to __ide_port_unregister_devices().
* Add ide_port_unregister_devices() helper for unregistering devices on a port.
* Add 'ide_hwif_t *cd_port' to 'struct media_bay_info', pass 'hwif' instead
of hwif->index to media_bay_set_ide_infos() and use it to setup 'cd_port'.
* Use ide_port_unregister_devices() instead of ide_unregister()
and ide_port_scan() instead of ide_register_hw() in media_bay_step().
* Unexport ide_register_hw() and make it static.
v2:
* Fix build by adding <linux/ide.h> include to <asm-powerpc/mediabay.h>.
(Reported by Michael/Kamalesh/Andrew).
Cc: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Cc: Michael Ellerman <michael@ellerman.id.au>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Currently, if drivers/macintosh/apm_emu is a module and the config
doesn't have CONFIG_SUSPEND we get:
ERROR: "pmu_batteries" [drivers/macintosh/apm_emu.ko] undefined!
ERROR: "pmu_battery_count" [drivers/macintosh/apm_emu.ko] undefined!
ERROR: "pmu_power_flags" [drivers/macintosh/apm_emu.ko] undefined!
on PPC32. The variables aren't wrapped in '#if defined(CONFIG_SUSPEND)'
so we probably shouldn't wrap the exports either. This removes the
CONFIG_SUSPEND part of the export, which fixes compilation on ppc32.
Signed-off-by: Guido Guenther <agx@sigxcpu.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The PMU backlight code would kick in during sleep/resume even on
machines that use a different backlight method. This breaks
sleep on some PowerBooks.
This fixes it by adding a flag to indicate whether the backlight
is controlled by the PMU, and testing that before trying to use
the PMU to turn off the backlight during sleep.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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During the last step of hibernation in the "platform" mode (with the
help of ACPI) we use the suspend code, including the devices'
->suspend() methods, to prepare the system for entering the ACPI S4
system sleep state.
But at least for some devices the operations performed by the
->suspend() callback in that case must be different from its operations
during regular suspend.
For this reason, introduce the new PM event type PM_EVENT_HIBERNATE and
pass it to the device drivers' ->suspend() methods during the last phase
of hibernation, so that they can distinguish this case and handle it as
appropriate. Modify the drivers that handle PM_EVENT_SUSPEND in a
special way and need to handle PM_EVENT_HIBERNATE in the same way.
These changes are necessary to fix a hibernation regression related
to the i915 driver (ref. http://lkml.org/lkml/2008/2/22/488).
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>
Tested-by: Jeff Chua <jeff.chua.linux@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The current pmac32_defconfig fails to build with the following error:
Building modules, stage 2.
ERROR: "check_media_bay" [drivers/block/swim3.ko] undefined!
WARNING: modpost: Found 23 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
make[2]: *** [__modpost] Error 1
This patch fixes that.
Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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It appears that with the U3 northbridge, if the processor is in NAP
mode the whole time while waiting for an SMU command to complete,
then the SMU will fail. It could be related to the weird backward
mechanism the SMU uses to get to system memory via i2c to the
northbridge that doesn't operate properly when the said bridge is
in napping along with the CPU. That is on U3 at least, U4 doesn't
seem to be affected.
This didn't show before NO_HZ as the timer wakeup was enough to make
it work it seems, but that is no longer the case.
This fixes it by disabling NAP mode on those machines while
an SMU command is in flight.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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* Replace incorrect CONFIG_BLK_DEV_IDE #ifdef in
check_media_bay() by CONFIG_MAC_FLOPPY one.
* Replace incorrect CONFIG_BLK_DEV_IDE #ifdef-s by
CONFIG_BLK_DEV_IDE_PMAC ones.
* check_media_bay() is used only by drivers/block/swim3.c
so make this function available only if CONFIG_MAC_FLOPPY
is defined.
* check_media_bay_by_base() and media_bay_set_ide_infos()
are used only by drivers/ide/ppc/pmac.c so so make these
functions available only if CONFIG_MAC_FLOPPY is defined.
v2:
* Remove ifdefs from function prototypes. (Andrew Morton)
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Corrects a mistake I made in a comment.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial: (79 commits)
Jesper Juhl is the new trivial patches maintainer
Documentation: mention email-clients.txt in SubmittingPatches
fs/binfmt_elf.c: spello fix
do_invalidatepage() comment typo fix
Documentation/filesystems/porting fixes
typo fixes in net/core/net_namespace.c
typo fix in net/rfkill/rfkill.c
typo fixes in net/sctp/sm_statefuns.c
lib/: Spelling fixes
kernel/: Spelling fixes
include/scsi/: Spelling fixes
include/linux/: Spelling fixes
include/asm-m68knommu/: Spelling fixes
include/asm-frv/: Spelling fixes
fs/: Spelling fixes
drivers/watchdog/: Spelling fixes
drivers/video/: Spelling fixes
drivers/ssb/: Spelling fixes
drivers/serial/: Spelling fixes
drivers/scsi/: Spelling fixes
...
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Commit c9f6d3d5c6d4f4cd3a53549a69c92951180e2a76 ("[POWERPC] adb: Replace
sleep notifier with platform driver suspend/resume hooks") introduced
compile errors on m68k because <linux/platform_device.h> is not
explicitly included. On powerpc, it's pulled in through <asm/prom.h>.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Signed-off-by: Paulius Zaleckas <pauliusz@yahoo.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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* Add 'init_default' (flag for calling init_hwif_default()) and 'restore'
(flag for calling ide_hwif_restore()) arguments to ide_unregister().
* Update ide_unregister() users to set 'init_default' and 'restore' flags.
* No need to set 'init_default' flag in ide_register_hw() if the setup done
by init_hwif_default() is going to be overridden by ide_init_port_hw().
* No need to set 'init_default' and 'restore' flags in cleanup_module().
There should be no functionality changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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I2C driver IDs are optional, so if you don't need one, just omit it.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Signed-off-by: Jean Delvare <khali@linux-fr.org>
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* Rename init_hwif_data() to ide_init_port_data() and export it.
* For all users of ide_register_hw() with 'initializing' argument set
hwif->present and hwif->hold are always zero so convert these host
drivers to use ide_find_port()+ide_init_port_data()+ide_init_port_hw()
instead (also no need for init_hwif_default() call since the setup
done by it gets over-ridden by ide_init_port_hw() call).
* Drop 'initializing' argument from ide_register_hw().
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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All kobjects require a dynamically allocated name now. We no longer
need to keep track if the name is statically assigned, we can just
unconditionally free() all kobject names on cleanup.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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struct class_device is going away, this converts the code to use struct
device instead.
Signed-off-by: Tony Jones <tonyj@suse.de>
Cc: Joshua Thompson <funaho@jurai.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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We don't care if the device_create_file calls fail, the driver will work
just as well without them, so just issue a runtime warning.
drivers/macintosh/therm_adt746x.c: In function 'thermostat_init':
drivers/macintosh/therm_adt746x.c:615: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_adt746x.c:616: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_adt746x.c:617: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_adt746x.c:618: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_adt746x.c:619: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_adt746x.c:620: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_adt746x.c:621: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_adt746x.c:622: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_adt746x.c:623: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_adt746x.c:625: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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We don't care if the device_create_file calls fail, the driver will work
just as well without them, so just issue a runtime warning.
drivers/macintosh/therm_windtunnel.c: In function 'setup_hardware':
drivers/macintosh/therm_windtunnel.c:268: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_windtunnel.c:269: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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We don't really care if any of these calls to device_create_file fails,
so just issue warnings in that case.
drivers/macintosh/therm_pm72.c: In function 'init_cpu_state':
drivers/macintosh/therm_pm72.c:1185: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1186: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1187: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1188: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1189: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1191: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1192: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1193: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1194: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1195: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c: In function 'init_backside_state':
drivers/macintosh/therm_pm72.c:1383: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1384: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c: In function 'init_drives_state':
drivers/macintosh/therm_pm72.c:1503: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1504: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c: In function 'init_dimms_state':
drivers/macintosh/therm_pm72.c:1625: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c: In function 'init_slots_state':
drivers/macintosh/therm_pm72.c:1743: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1744: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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If the user has turned on the "restore_caplock_events" parameter, the
code mangles the capslock events correctly, then erroneously ignores
those events. Fix logic to allow correct fallthrough.
Signed-off-by: Andy Wingo <wingo@pobox.com>
Acked-by: Andrew McNabb <amcnabb@mcnabbs.org>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This fixes a few issues with via-pmu based backlight control.
First, it fixes a sign problem with the setup of the backlight
curve since the `range' value there -can- (and will) go negative.
Then, it reworks the interaction between this and the via-pmu sleep
code to properly restore backlight on wakeup from sleep.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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These hooks ensure that a decrementer interrupt is not pending when
suspending; otherwise, problems may occur on 6xx/7xx/7xxx-based
systems (except for powermacs, which use a separate suspend path).
For example, with deep sleep on the 831x, a pending decrementer will
cause a system freeze because the SoC thinks the decrementer interrupt
would have woken the system, but the core must have interrupts
disabled due to the setup required for deep sleep.
Changed via-pmu.c to use the new ppc_md hooks, and made the arch_*
functions call the generic_* functions unconditionally. -- paulus
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This adds platform_suspend_ops for PMU based machines, directly in
the PMU driver. This allows suspending via /sys/power/state
on powerbooks.
The patch also replaces the PMU ioctl with a simple call to
pm_suspend(PM_SUSPEND_MEM).
Additionally, it cleans up some debug code.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Sleep on the powerbook 3400 has been broken since the change that made
powerbook_sleep_3400 call pmac_suspend_devices(), which disables
interrupts. There are a couple of loops in powerbook_sleep_3400 that
depend on interrupts being enabled, and in fact it has to have
interrupts enabled at the point of going to sleep since it is an
interrupt from the PMU that wakes it up.
This fixes it by using pmu_wait_complete() instead of a spinloop, and
by explicitly enabling interrupts before putting the CPU into sleep
mode (which is OK since all interrupts except the PMU interrupt have
been disabled at the interrupt controller by this stage).
This changes the logic so that it keeps putting the CPU into sleep mode
until the completion of the interrupt transaction from the PMU that
signals the end of sleep. Also, we now call pmu_unlock() before sleep
so that the via_pmu_interrupt() code can process the interrupt event
from the PMU properly.
Now that generic code saves and restores PCI state, it is no longer
necessary to do that here. Thus pbook_pci_save/restore and related
functions are no longer necessary, so this removes them.
Lastly, this moves the ioremap of the memory controller to init code
rather than doing it on every sleep/wakeup cycle.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This is fairly straightforward, and lets us get rid of x.completion
as well.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This converts the therm_pm72.c driver to use the kthread API. I
thought about making it use kthread_stop() instead of the `state'
variable and the `ctrl_complete' completion, but that isn't simple and
will require changing the way that `state' is used.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This converts adb.c to use the kthread API.
It also changes adb_request so that if the ADBREQ_SYNC flag is
specified, we now sleep waiting for the request to finish using an
on-stack completion rather than spinning. To implement this, we now
require that if the ADBREQ_SYNC flag is set, the `done' parameter must
be NULL. All of the existing callers of adb_request that pass
ADBREQ_SYNC appear to be in process context and have done == NULL.
Doing this allows us to get rid of an awful hack in adb_request()
where we used to test whether the request was coming from the adb
probe task and use a completion if it was, and otherwise spin.
This also gets rid of a static request block that was used if the req
parameter to adb_request was NULL. None of the callers do that any
more, so the static request block is no longer necessary.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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We aren't supposed to use kernel_thread directly in drivers any more,
and in fact using kthread_run is a bit simpler.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This kills off the remnants of the old sleep notifiers now that they
are no longer used.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This replaces the pmu sleep notifier that adb had with suspend/resume
hooks in a new platform driver/device.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The error handling code should undo the ioremap as well.
The problem was detected using the following semantic match
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@@
type T,T1,T2;
identifier E;
statement S;
expression x1,x2;
constant C;
int ret;
@@
T E;
...
* E = ioremap(...);
if (E == NULL) S
... when != iounmap(E)
when != if (E != NULL) { ... iounmap(E); ...}
when != x1 = (T1)E
if (...) {
... when != iounmap(E)
when != if (E != NULL) { ... iounmap(E); ...}
when != x2 = (T2)E
(
* return;
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* return C;
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* return ret;
)
}
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Olaf Hering <olaf@aepfle.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Some code in via-pmu.c is never compiled because of "compile options"
within the file. Remove the code completely.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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I see nothing that this lock_kernel() actually protects against,
so remove it.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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When I fixed the windfarm freezer interaction first in commit
1ed2ddf380e19dafeec2150ca709ef7f4a67cd21, an earlier patch than the one
I came up with after comments was committed. This has come back to haunt
us now because commit d5d8c5976d6adeddb8208c240460411e2198b393 changed
the freezer to no long send signals. Fix it by removing the windfarm
thread's signal logic and restoring the original try_to_freeze().
We could simply revert 1ed2ddf380e19dafeec2150ca709ef7f4a67cd21 now
but I feel that the assertion that no signal is delivered to the
windfarm thread needs not be there.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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