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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch results in fewer output sections and in some data being
reordered, but should have no functional impact.
Signed-off-by: Nelson Elhage <nelhage@ksplice.com>
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Now that PAGE_SIZE is available to assembly directly, there is no need
to separately expose it as _PAGE_SIZE through asm-offsets.
In addition, remove _PAGE_SHIFT from asm-offsets, since it was never
needed, and is not used anywhere.
Signed-off-by: Nelson Elhage <nelhage@ksplice.com>
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch makes the board code register the ar7_wdt driver as a platform
device. We move the dynamic resource calculation here since the driver
should not be aware of the AR7 SoC version it is running on.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Because only gcc >=4.4 have loongson-specific support, we need to choose
the suitable -march argument for gcc <= 4.3 and gcc >= 4.4, and here, we
use -march=loongson2e for loongson2e.
Thanks goes to Arnaud Patard <apatard@mandriva.com> for suggestion of
using cc-options(Documentation/kbuild/makefiles.txt). and thanks Zhang
Le for introducing the new CPU_LOONGSON2E kernel option.
NOTE: -mtune option is not need if -march and -mtune use the same value.
Signed-off-by: Zhang Le <r0bertz@gentoo.org>
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The difference between some loongson-based machines is very small, so, if
there is no necessary to add new kernel config options to cope with this
difference, it will be better to share the same kernel image file between
them, benefit from this, the linux distribution developers only have a need
to compile the kernel one time.
This machtype kernel command line argument will be used later to share the
same kernel image file between two different machines(menglong & yeeloong)
made by lemote.
Thanks very much to Zhang Le for cleaning up the machtype implementation.
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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To share common loongson source code between all of the loongson-based
machines. there is a need to split it out of the fuloong-2e/ directory.
at the same time, other according tuning is needed. the machine-specific
parts are defined as macros in relative header file, pci.h, mem.h,
machine.h.
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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To make source code of loongson sharable to the machines(such as gdium)
made by the other companies, we rename arch/mips/lemote to
arch/mips/loongson, asm/mach-lemote to asm/mach-loongson, and rename lm2e
to the name of the machine: fuloong-2e. accordingly, FULONG are renamed to
FULOONG2E to make it distinguishable to the future FULOONG2F. and also,
some other relative tuning is needed.
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This kernel support is needed by the user-space tool:oprofile to profile
linux kernel or applications via loongson2 performance counters. you can
enable this driver via CONFIG_OPROFILE = y or m.
On Loongson2 there are two performance counters, each one can count 16
events respectively. when anyone of the performance counter overflows, an
interrupt will be generated and is routed to the IRQ MIPS_CPU_IRQ_BASE + 6.
Signed-off-by: Yanhua <yanh@lemote.com>
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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RTC_LIB is selected by MIPS by default, and therefore, the legacy RTC
driver is disabled. but fortunately, RTC_LIB not works on fulong, so,
enabling the legcy RTC driver is needed, otherwise, the tools like
hwclock will not work.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Fixup the wrong original comment of pcimap, and make the source code more
understandable. and also, some new extra consideration is added in.
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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With the help of script/checkpatch.pl, i have cleaned up the coding
style.
1. remove un-needed header files and tune some comments.
2. remove some un-needed { }
add a new header file loongson.h:
3. move some common header files to loongson.h
4. move some common extern declartions to loongson.h
and this new header file is needed for future loongson2f support.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch split the old initilization and setup implementation to
several file, one file one logic function.
the other main changes include:
1. as the script/checkpatch.pl suggests, use strict_strtol instead
of simple_strtol in arch/mips/lemote/lm2e/cmdline.c
2. use the existed macros in asm/mips-boards/bonito64.h as the
arguments of set_io_port_base() and remove the un-needed ones in
asm/mach-lemote/pci.h
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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mips_io_port_base is initialized via set_io_port_base() in
arch/mips/lemote/lm2e/setup.c, we can use it directly here.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Several magic numbers have been replaced by relative macros, which will be
more readable and understandable.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The implmentation of loongson2e_power_off and loongson2e_halt is almostly
the same, just preserve one of them.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch is based on the implementation in the lm2e-fixes branch of
Philippe's git://git.linux-cisco.org/linux-mips.git and the
malta-specific early_printk implementation.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Since the re-implementation of kgdb by commit
8854700115ecf8aa6f087aa915b7b6cf18090d39 the platform-specific version
has become superfluous, remove it.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Removes the existing implementation of early_printk for fulong. The old
implementation was based on the outdated board-specific dbg_io.c.
Since commit 8d60a903d986ffa26c41f0092320a3b9da20bfaf dbg_io.c is not longer
needed; it will be removed by the next patch, and a new implementation of
early_printk will be added later.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
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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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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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Since 2.6.11-rc1 there is a prototype in <linux/smp.h>.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Error handling code following a kzalloc should free the allocated data.
Error handling code following an ioremap should iounmap the allocated data.
The semantic match that finds the first problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@r exists@
local idexpression x;
statement S;
expression E;
identifier f,f1,l;
position p1,p2;
expression *ptr != NULL;
@@
x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
...
if (x == NULL) S
<... when != x
when != if (...) { <+...x...+> }
(
x->f1 = E
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(x->f1 == NULL || ...)
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f(...,x->f1,...)
)
...>
(
return \(0\|<+...x...+>\|ptr\);
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return@p2 ...;
)
@script:python@
p1 << r.p1;
p2 << r.p2;
@@
print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Some TC35815 variants (i.e. TX493[89] internal ether) report existance of
PM registers though they are not supported. Disable PM features by
clearing pdev->pm_cap.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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page.h includes ifndef __ASSEMBLY__ guards, but PAGE_SIZE and some other
constants are defined using "1UL", which the assembler does not support.
Use the _AC macro from const.h to make them available to assembly (and
linker scripts).
Signed-off-by: Nelson Elhage <nelhage@ksplice.com>
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Some drivers use gpio_request/gpio_free regardless of whether
gpiolib is actually built; add stubs to work around the ensuing
compile failures.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Tested-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Header needed for current_cpu_data which expands to smp_processor_id().
However, linux/smp.h can't be included into asm/cpu-info.h due to horrible
circular dependencies, so plug it here.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The current code only checks CCA of 0 when deciding if a dummy read is
needed. Since the kernel can (and does) use other CCAs we need to
mask out the CCA bits from the address. Since the address constant
now fits in 16 bits, there is an added benefit that smaller code is
generated.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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If we reach the test just below the loop with a `timeout' value of 0,
this does not mean that the timeout caused the loop to end, but rather
the `smi_rd.s.pending', in the last iteration. If timeout caused the
loop to end, then `timeout' is -1, not 0.
Since this can occur only in the last iteration, it is not very likely
to be a problem. By changing the post- to prefix decrement we ensure
that a timeout of 0 does mean it timed out.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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<asm/delay.h> will break if HZ isn't defined. In 2.6.26 and later we're
usually lucky ...
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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* 'for-linus' of git://oss.sgi.com/xfs/xfs: (39 commits)
xfs: includecheck fix for fs/xfs/xfs_iops.c
xfs: switch to seq_file
xfs: Record new maintainer information
xfs: use correct log reservation when handling ENOSPC in xfs_create
xfs: xfs_showargs() reports group *and* project quotas enabled
xfs: un-static xfs_inobt_lookup
xfs: actually enable the swapext compat handler
xfs: simplify xfs_trans_iget
xfs: merge fsync and O_SYNC handling
xfs: speed up free inode search
xfs: rationalize xfs_inobt_lookup*
xfs: untangle xfs_dialloc
xfs: factor out debug checks from xfs_dialloc and xfs_difree
xfs: improve xfs_inobt_update prototype
xfs: improve xfs_inobt_get_rec prototype
xfs: factor out inode initialisation
fs/xfs: Correct redundant test
xfs: remove XFS_INO64_OFFSET
un-static xfs_read_agf
xfs: add more statics & drop some unused functions
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (75 commits)
Blackfin: update ftrace for latest toolchain
Blackfin: fix elf_fpregset_t definition
Blackfin: unify cache init functions
Blackfin: swap clocksource ratings for gptimer/cycles
Blackfin: update ftrace_push_return_trace() breakage
Blackfin: update cm board resources
Blackfin: cm-bf537u: split board from cm-bf537e
Blackfin: bf538-ezkit: add SPI IRQ resources
Blackfin: increase default async timings for parallel flashes
Blackfin: add ICPLB coverage for async banks
Blackfin: use KERN_ALERT in all kgdb_test output
Blackfin: fix BF54x SPI CS resources
Blackfin: fix typo in isram_write()
Blackfin: bf537-stamp: add adp5588 gpio resources
Blackfin: add some isram-driver self tests
Blackfin: workaround anomaly 05000283
Blackfin: fix spelling in a few comments
Blackfin: use raw_smp_processor_id() in exception code
Blackfin: remove useless duplicated assignment in gpio code
Blackfin: Fix link errors with binutils 2.19 and GCC 4.3
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: (53 commits)
m68knommu: Make PAGE_SIZE available to assembly files.
m68knommu: fix ColdFire definition of CLOCK_TICK_RATE
m68knommu: set multi-function pins for ethernet when enabled
m68knommu: remove special interrupt handling code for ne2k support
m68knommu: relax IO_SPACE_LIMIT setting
m68knommu: remove ColdFire direct interrupt register access
m68knommu: create a speciailized ColdFire 5272 interrupt controller
m68knommu: add support for second interrupt controller of ColdFire 5249
m68knommu: clean up old ColdFire timer irq setup
m68knommu: map ColdFire interrupts to correct masking bits
m68knommu: clean up ColdFire 532x CPU timer setup
m68knommu: simplify ColdFire "timers" clock initialization
m68knommu: support code to mask external interrupts on old ColdFire CPU's
m68knommu: merge old ColdFire interrupt controller masking macros
m68knommu: remove duplicate ColdFire mcf_autovector() code
m68knommu: move ColdFire INTC definitions to new include file
m68knommu: mask off all interrupts in ColdFire intc-simr controller
m68knommu: remove timer device interrupt setup for ColdFire 532x
m68knommu: remove interrupt masking from ColdFire pit timer
m68knommu: remove unecessary interrupt level setting in ColdFire 520x setup
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: (lm85) Don't bind to Winbond/Nuvoton WPCD377I
hwmon: (pcf8591) Documentation clean-ups
hwmon: Clearly mark ACPI drivers as such
hwmon: Use resource_size
hwmon: Include <linux/io.h> instead of <asm/io.h>
hwmon: (tmp421) Add documentation
hwmon: Add driver for Texas Instruments TMP421/422/423 sensor chips
hwmon-vid: Ignore 6th VID pin of AMD family 0Fh processors
hwmon: (asus_atk0110) Add maintainer information
hwmon: (abituguru3) Support multiple DMI strings per chip ID
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git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb
* 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb:
uwb: avoid radio controller reset loops
uwb: stop uwbd thread if rc->start() fails
uwb: handle radio controller events with out-of-range IDs correctly
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The mcount support that was finally added to the Blackfin gcc port isn't
exactly the same as what ftrace was developed against. Now that the final
gcc version is in place, update the ftrace code to match.
While updating this, fix the swapped arguments to the tracer (signature is
(ip, parent_ip) while we were passing (parent_ip, ip)).
Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The elf_fpregset_t type relied on an empty struct in the asm/user.h, but
the transition to asm-generic/user.h dropped that empty struct. Rather
than restore this useless struct, define the only user (elf_fpregset_t)
as an empty struct itself. This fixes building when ELF dump support is
enabled.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The CPLB implementations (mpu/nompu) had exact copies of the cacheinit
code. Even the i/d cache functions are largely the same. So unify them
both in the common kernel cache code.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The cycles clocksource is a higher resolution than the gptimer one, so
make sure the ratings field reflects this.
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Commit 71e308a239c updated ftrace_push_return_trace() prototype but didn't
update the Blackfin ftrace code, so things broke. Since we don't support
the new stuff yet, call it with stub values.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Harald Krapfenbauer <Harald.Krapfenbauer@bluetechnix.at>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The cm-bf537u module, while similar to the cm-bf537e, is different enough
to warrant its own resources. It has a USB controller but no PHY.
Signed-off-by: Harald Krapfenbauer <Harald.Krapfenbauer@bluetechnix.at>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The default async timings are a little too fast for the parallel flash
that is attached by default to the async banks. So slow things down a bit
so accessing the hardware is stable.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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When doing XIP, we need to execute out of the async banks, so we need
ICPLBs to allow this.
Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Most messages are already using KERN_ALERT, so be consistent to make
things easier to check with test scripts.
Signed-off-by: Mingquan Pan <grace.pan@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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