| Commit message (Collapse) | Author | Age | Files | Lines |
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Sometimes old_index != stat->last_index, see cpufreq_update_policy, bios can
change cpu setting in resume. In my test, after resume cpu is in lowest
speed, but the stat info shows cpu is in full speed. This patch makes the
stat info correct after a resume.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Jones <davej@redhat.com>
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Allow use of the powersave cpufreq governor as the default one for EMBEDDED
configs.
Signed-off-by: Alessandro Guido <alessandro.guido@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Jones <davej@redhat.com>
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There is a description of some of the sysfs files. However, there are some
that are not mentioned in the documentation, so add them to the user's guide.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Jones <davej@redhat.com>
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coordination mechanism
Currently, affected_cpus shows which CPUs need to have their frequency
coordinated in software. When hardware coordination is in use, the contents
of this file appear the same as when no coordination is required. This can
lead to some confusion among user-space programs, for example, that do not
know that extra coordination is required to force a CPU core to a particular
speed to control power consumption.
To fix this, create a "related_cpus" attribute that always displays the
coordination map regardless of whatever coordination strategy the cpufreq
driver uses (sw or hw). If the cpufreq driver does not provide a value, fall
back to policy->cpus.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Jones <davej@redhat.com>
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back.
We checked the hardware freq with OS cached freq value in get_cur_freqon_cpu().
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Dave Jones <davej@redhat.com>
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Change cpufreq tables from arrays to per_cpu variables in
drivers/acpi/processor_thermal.c
Based on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Cc: Len Brown <len.brown@intel.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Dave Jones <davej@codemonkey.org.uk>
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Fix show_trans_table when it overflows PAGE_SIZE.
* Not all snprintf calls were protected against being passed a negative
length.
* When show_trans_table overflows, len might be > PAGE_SIZE. In that case,
returns PAGE_SIZE.
Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Signed-off-by: Dave Jones <davej@codemonkey.org.uk>
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If cpufreq_register_notifier is called before pure initcalls,
init_cpufreq_transition_notifier_list will overwrite whatever it did,
causing notifiers to be ignored.
Print some noise to the kernel log if that happens.
Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Signed-off-by: Dave Jones <davej@codemonkey.org.uk>
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Simplify this by moving the unlocking out of the error
paths into the exit path.
Signed-off-by: Dave Jones <davej@codemonkey.org.uk>
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void * p -> void *p
no space between function parameters
removed excess whitespace
Signed-off-by: Dave Jones <davej@codemonkey.org.uk>
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return is not a function.
Signed-off-by: Dave Jones <davej@redhat.com>
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Signed-off-by: Dave Jones <davej@redhat.com>
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (45 commits)
[MIPS] Pb1200/DBAu1200: move platform code to its proper place
[MIPS] Fix handling of trap and breakpoint instructions
[MIPS] Pb1200: do register SMC 91C111
[MIPS] DBAu1200: fix bad SMC 91C111 resource size
[NET] Kconfig: Rename MIKROTIK_RB500 -> MIKROTIK_RB532
[MIPS] IP27: Fix build bug due to missing include
[MIPS] Fix some sparse warnings on traps.c and irq-msc01.c
[MIPS] cevt-gt641xx: Kill unnecessary include
[MIPS] DS1287: Add clockevent driver
[MIPS] add DECstation I/O ASIC clocksource
[MIPS] rbtx4938: minor cleanup
[MIPS] Alchemy: kill unused PCI_IRQ_TABLE_LOOKUP macro
[MIPS] rbtx4938: misc cleanups
[MIPS] jmr3927: use generic txx9 gpio
[MIPS] rbhma4500: use generic txx9 gpio
[MIPS] generic txx9 gpio support
[MIPS] make fallback gpio.h gpiolib-friendly
[MIPS] unexport null_perf_irq() and make it static
[MIPS] unexport rtc_mips_set_time()
[MIPS] unexport copy_from_user_page()
...
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Since both the IDE interface and SMC 91C111 Ethernet chip are on-board
devices, not SOC devices, move the platform device registration form the
common to the board specific code.
While at it, remove semicolon (which didn't break compilation only by
chance) from the AU1XXX_ATA_DDMA_REQ macro and do some renaming:
- change 'au1200_ide0_' variable name prefix to the mere 'ide_';
- change 'smc91x_' variable name prefix to 'smc91c111_' since that's the
name of the chip used on the boards;
- drop 'AU1XXX_' prefix from the names of macros describing IDE and Ethernet
on-board devices;
- change 'SMC91111_' to 'SMC91C111_', change 'IRQ' to 'INT' in the names of
the macros describing the Ethernet chip for consistency with the IDE
macros;
- change 'ATA_' to 'IDE_' and 'OFFSET' to 'SHIFT' (since this value is
indeed a shift count) in the names of the macros describing the IDE
interface.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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With fixes and cleanups from Atsushi Nemoto (anemo@mba.ocn.ne.jp).
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Pb1200 does have SMC 91C111 Ethernet chip on board but the platform code
did not register it, so one couldn't mount NFS...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The on-board SMC 91C111 chip only decodes 16 bytes of memory (obviously, it
can not decode a whole megabyte starting from address 0x19000300).
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The platform is actually named routerboard 532 so let's call it this.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Jeff Garzik <jeff@garzik.org>
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asm-mips/mach-ip27/topology.h must #include <asm-generic/topology.h>
This fixes the following compile error:
...
CC kernel/sched.o
/home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c: In function 'find_next_best_node':
/home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7015: error: implicit declaration of function 'node_to_cpumask_ptr'
/home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7015: error: '__tmp__' undeclared (first use in this function)
/home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7015: error: (Each undeclared identifier is reported only once
/home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7015: error: for each function it appears in.)
/home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c: In function 'sched_domain_node_span':
/home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7047: error: 'nodemask' undeclared (first use in this function)
/home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7048: warning: ISO C90 forbids mixed declarations and code
/home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7059: error: implicit declaration of function 'node_to_cpumask_ptr_next'
/home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c: In function '__build_sched_domains':
/home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7605: error: 'pnodemask' undeclared (first use in this function)
make[2]: *** [kernel/sched.o] Error 1
<-- snip -->
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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* Declare board_bind_eic_interrupt, board_watchpoint_handler in traps.h
* Make msc_bind_eic_interrupt static and fix its argument types.
* Make msc_levelirq_type, msc_edgeirq_type static.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Add DECstation I/O ASIC clocksource
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Do not initialize res->parent for platform device.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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* Do not use non-standard I/O accessors, such as reg_rd08, etc.
* Kill unnecessary wbflush()
* Kill tx4938_mips.h
* Kill unnecessary includes
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Use generic txx9 gpio (and gpiolib) for JMR3927 board.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Use generic txx9 gpio (and gpiolib) for RBHMA4500 board.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This is a board-independent TXx9 gpio API implementation using gpiolib.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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If gpiolib was selected, asm-generic/gpio.h provides some prototypes
for gpio API and implementation helpers. With this patch, platform
code can implement its GPIO API using gpiolib without custom gpio.h
file.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch unexports the null_perf_irq() symbol, and simultaneously
makes this function static.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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No users for the rtc_mips_set_time() routine exist outside of the
core kernel code. Therefore, EXPORT_SYMBOL(rtc_mips_set_time) is
useless, and this patch removes it.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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No users for the copy_from_user_page() routine exist outside of the
core kernel code. Therefore, EXPORT_SYMBOL(copy_from_user_page) is
useless, and this patch removes it.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The copy_to_user_page() function is called only in the core kernel
code. Therefore, there is no need to export it. This patch removes
EXPORT_SYMBOL(copy_to_user_page).
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The copy_user_highpage() routine has no users outside of the
core kernel code, so exporting this symbol is pointless.
This patch removes EXPORT_SYMBOL(copy_user_highpage).
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Move the code registering the Alchemy UART platform devices from
drivers/serial/ to its proper place, into the Alchemy platform code. Fix
the related Kconfig entry, while at it...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Go thru the Alchemy code and hunt down every unneeded #include, #define, and
extern (some of which refer to already long dead functions).
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The following variables defined in arch/mips/mips-boards/malta/malta_int.c
can become static: msc_irqmap[], msc_nr_irqs, msc_eicirqmap[], and
msc_nr_eicirqs. This patch makes them static.
Successfully build-tested using default configs for Malta, Atlas
and SEAD boards.
Runtime test successfully performed by booting the Malta 4Kc board
up to the shell prompt.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The array standard_io_resources[] needs not to be exposed in the kernel
global namespace. This patch makes it static.
Successfully build-tested using default configs for Malta, Atlas
and SEAD boards.
Runtime test successfully performed by booting the Malta 4Kc board
up to the shell prompt.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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There is no need for the plat_perf_setup() function to be global,
so make it static.
Successfully build-tested using default configs for Malta, Atlas
and SEAD boards.
Runtime test successfully performed by booting the Malta 4Kc board
up to the shell prompt.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Neither the mdesc[] array nor the prom_getmdesc() function need to
be global. This patch makes them static.
Successfully build-tested using default configs for Malta, Atlas
and SEAD boards.
Runtime test successfully performed by booting the Malta 4Kc board
up to the shell prompt.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This change makes the needlessly global function mips_ejtag_setup() static.
Successfully build-tested using default configs for Malta, Atlas
and SEAD boards.
Runtime test successfully performed by booting the Malta 4Kc board
up to the shell prompt.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This change makes the needlessly global function mips_nmi_setup() static.
Successfully build-tested using default configs for Malta, Atlas
and SEAD boards.
Runtime test successfully performed by booting the Malta 4Kc board
up to the shell prompt.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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__FUNCTION__ is gcc-specific, use __func__
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Johannes Weiner <hannes@saeurebad.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Since the commit 91a2fcc88634663e9e13dcdfad0e4a860e64aeee ([MIPS]
Consolidate all variants of MIPS cp0 timer interrupt handlers) removed the
Alchemy specific timer handler, 'r4k_offset' and 'r4k_cur' variables became
practically useless, so get rid of them at last, renaming cal_r4off()
function into calc_clock() and making it return CPU frequency. Also, make
'no_au1xxx_32khz' variable static...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Defer the unmasking of the count/compare interrupt (IRQ5) till the
clockevent driver initialization:
- only enable the cascaded IRQs 0 thru 4 in arch_init_irq(); kill the
ALLINTS macro -- this change is blessed by AMD as I saw it in their own
patch; :-)
- do not force IRQ5 enabled in plat_time_init() if PM is enabled and there's
no 32 KHz crystal.
Update the copyrights (taking into account my prior changes), also removing
Pete Popov's old email...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: daniel.j.laird <daniel.j.laird@nxp.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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