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The kgdb (in multiple places) and traps code developed pretty much
identical checks for how to access different regions of the Blackfin
memory map, but each wasn't 100%, so unify them to avoid duplication,
bitrot, and bugs with edge cases.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The irq_panic function is only used when CONFIG_DEBUG_ICACHE_CHECK is
enabled, so move the conditional build to the Makefile rather than
wrapping all of the contents of the file.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Make sure we pull in asm/io.h when exporting symbols for the I/O functions
so we don't end up with a build failure due to missing prototypes.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Convert to test_bit() as that is what pretty much everyone uses and allows
us to migrate asm/bitops.h to the asm-generic version.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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* akpm: (182 commits)
fbdev: bf54x-lq043fb: use kzalloc over kmalloc/memset
fbdev: *bfin*: fix __dev{init,exit} markings
fbdev: *bfin*: drop unnecessary calls to memset
fbdev: bfin-t350mcqb-fb: drop unused local variables
fbdev: blackfin has __raw I/O accessors, so use them in fb.h
fbdev: s1d13xxxfb: add accelerated bitblt functions
tcx: use standard fields for framebuffer physical address and length
fbdev: add support for handoff from firmware to hw framebuffers
intelfb: fix a bug when changing video timing
fbdev: use framebuffer_release() for freeing fb_info structures
radeon: P2G2CLK_ALWAYS_ONb tested twice, should 2nd be P2G2CLK_DAC_ALWAYS_ONb?
s3c-fb: CPUFREQ frequency scaling support
s3c-fb: fix resource releasing on error during probing
carminefb: fix possible access beyond end of carmine_modedb[]
acornfb: remove fb_mmap function
mb862xxfb: use CONFIG_OF instead of CONFIG_PPC_OF
mb862xxfb: restrict compliation of platform driver to PPC
Samsung SoC Framebuffer driver: add Alpha Channel support
atmel-lcdc: fix pixclock upper bound detection
offb: use framebuffer_alloc() to allocate fb_info struct
...
Manually fix up conflicts due to kmemcheck in mm/slab.c
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Convert most arches to use asm-generic/kmap_types.h.
Move the KM_FENCE_ macro additions into asm-generic/kmap_types.h,
controlled by __WITH_KM_FENCE from each arch's kmap_types.h file.
Would be nice to be able to add custom KM_types per arch, but I don't yet
see a nice, clean way to do that.
Built on x86_64, i386, mips, sparc, alpha(tonyb), powerpc(tonyb), and
68k(tonyb).
Note: avr32 should be able to remove KM_PTE2 (since it's not used) and
then just use the generic kmap_types.h file. Get avr32 maintainer
approval.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: <linux-arch@vger.kernel.org>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Bryan Wu <cooloney@kernel.org>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: "Luck Tony" <tony.luck@intel.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* create mm/init-mm.c, move init_mm there
* remove INIT_MM, initialize init_mm with C99 initializer
* unexport init_mm on all arches:
init_mm is already unexported on x86.
One strange place is some OMAP driver (drivers/video/omap/) which
won't build modular, but it's already wants get_vm_area() export.
Somebody should look there.
[akpm@linux-foundation.org: add missing #includes]
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Mike Frysinger <vapier.adi@gmail.com>
Cc: Americo Wang <xiyou.wangcong@gmail.com>
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/vapier/blackfin
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (27 commits)
Blackfin: hook up new rt_tgsigqueueinfo syscall
Blackfin: improve CLKIN_HZ config default
Blackfin: initial support for ftrace grapher
Blackfin: initial support for ftrace
Blackfin: enable support for LOCKDEP
Blackfin: add preliminary support for STACKTRACE
Blackfin: move custom sections into sections.h
Blackfin: punt unused/wrong mutex-dec.h
Blackfin: add support for irqflags
Blackfin: add support for bzip2/lzma compressed kernel images
Blackfin: convert Kconfig style to def_bool
Blackfin: bf548-ezkit: update smsc911x resources
Blackfin: update aedos-ipipe code to upstream 1.10-00
Blackfin: bf537-stamp: update ADP5520 resources
Blackfin: bf518f-ezbrd: fix SPI CS for SPI flash
Blackfin: define SPI IRQ in board resources
Blackfin: do not configure the UART early if on wrong processor
Blackfin: fix deadlock in SMP IPI handler
Blackfin: fix flag storage for irq funcs
Blackfin: push down exception oops checking
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (31 commits)
trivial: remove the trivial patch monkey's name from SubmittingPatches
trivial: Fix a typo in comment of addrconf_dad_start()
trivial: usb: fix missing space typo in doc
trivial: pci hotplug: adding __init/__exit macros to sgi_hotplug
trivial: Remove the hyphen from git commands
trivial: fix ETIMEOUT -> ETIMEDOUT typos
trivial: Kconfig: .ko is normally not included in module names
trivial: SubmittingPatches: fix typo
trivial: Documentation/dell_rbu.txt: fix typos
trivial: Fix Pavel's address in MAINTAINERS
trivial: ftrace:fix description of trace directory
trivial: unnecessary (void*) cast removal in sound/oss/msnd.c
trivial: input/misc: Fix typo in Kconfig
trivial: fix grammo in bus_for_each_dev() kerneldoc
trivial: rbtree.txt: fix rb_entry() parameters in sample code
trivial: spelling fix in ppc code comments
trivial: fix typo in bio_alloc kernel doc
trivial: Documentation/rbtree.txt: cleanup kerneldoc of rbtree.txt
trivial: Miscellaneous documentation typo fixes
trivial: fix typo milisecond/millisecond for documentation and source comments.
...
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Most boards use 25000000 as the default HZ, so rather than add a whole
bunch more boards, make it the default for everyone. This also fixes
randconfig builds as there was no default before.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Just the basic ftrace support here -- mcount and the ftrace stub.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The Blackfin arch has a bunch of custom section markings for its on-chip
regions, but they aren't declared in the right header.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Looks like the mutex-dec.h header file was incorrectly copied into the
Blackfin asm path. Nothing uses it, so punt it.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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This converts the irq handling in the Blackfin arch from the old irq.h /
system.h method to the new irqflags.h. A stepping stone on the way to
other tracing functionality.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Since U-Boot can support these compression types, add appropriate targets
to the Blackfin boot files.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Makes the file easier to read when there isn't so much clutter.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The older smsc911x driver made platform data optional, but the newer one
always requires it, so add proper settings to the BF548-EZKIT.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The ADP5520 hooks up to PF7 rather than PG0.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The SPI flash on the BF518F-EZBRD board is actually hooked up to CS2,
not CS1, so make sure the resources are correct.
URL: http://blackfin.uclinux.org/gf/tracker/5220
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The Blackfin SPI driver can be driven by an IRQ now, so declare it in
the board resources.
Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Before we configure the early UART, check to make sure we are running on
the expected processor - otherwise, we cause problems by configuring pins
that don't exist (and causing an infinite loop of faults).
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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When a low priority interrupt (like ethernet) is triggered between 2 high
priority IPI messages, a deadlock in disable_irq() is hit by the second
IPI handler. This is because the second IPI message is queued within the
first IPI handler, but the handler doesn't process all messages, and new
ones are inserted rather than appended. So now we process all the pending
messages, and append new ones to the pending list.
URL: http://blackfin.uclinux.org/gf/tracker/5226
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The IRQ functions take an "unsigned long" flags variable, not any other
type, so fix the places where we use "int" or "long".
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Rather than maintain a duplicate list of valid exceptions we can take in
the kernel both in the first if() check and the switch() check, delay the
oops check to after the switch(). All valid exceptions will have returned
by this point leaving only the invalid ones.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The trap_c() code pushes the hardware trace status onto the stack, but
doesn't always restore it when returning from some trap code paths. So
unify the exit code paths to all head to the end of the function.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The KGDB code uses this when switching processors to make sure the icache
is in a valid state.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Since the compiled-for cpu revision can be significant, include it in the
cpuinfo output along side the cpu revision we're currently running on.
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The latter naming convention is much more common.
Signed-off-by: Jie Zhang <jie.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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All other arches do this, and some places like the net/scsi code will fail
as modules without them.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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We don't need to handle CPLB protection violations unless we are running
with the MPU on. Fix the entry code to call common trap_c, and remove the
code which is never run. This allows the traps test suite to run on older
boards with the MPU disabled.
URL: http://blackfin.uclinux.org/gf/tracker/5129
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
add generic lib/checksum.c
asm-generic: add a generic uaccess.h
asm-generic: add generic NOMMU versions of some headers
asm-generic: add generic atomic.h and io.h
asm-generic: add legacy I/O header files
asm-generic: add generic versions of common headers
asm-generic: make bitops.h usable
asm-generic: make pci.h usable directly
asm-generic: make get_rtc_time overridable
asm-generic: rename page.h and uaccess.h
asm-generic: rename atomic.h to atomic-long.h
asm-generic: add a generic unistd.h
asm-generic: add generic ABI headers
asm-generic: add generic sysv ipc headers
asm-generic: introduce asm/bitsperlong.h
asm-generic: rename termios.h, signal.h and mman.h
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.ko is normally not included in Kconfig help, make it consistent.
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The sparseirq changes (d7e51e66) played poorly with the Blackfin irqchip
implementation as we're still using the old hardirq method. Our bad irq
structure had a NULL kstat_irqs field so when all the common code tries
to increment this field, everything goes big bada boom.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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