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236 Commits

Author SHA1 Message Date
Mike Frysinger
9821b1f4a1 [Blackfin] arch: current_l1_stack_save is a pointer, so use NULL rather than 0 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-03-05 19:02:23 -07:00
Bryan Wu
2f775dbaa5 [Blackfin] arch: to kill syscalls missing warning by adding new timerfd syscalls 
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-03-06 16:04:58 -07:00
Sonic Zhang
db288381e2 [Blackfin] serial driver: Add flow control support to bf54x 
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
 2008-02-02 17:05:02 +08:00
Sonic Zhang
4cb4f22b19 [Blackfin] serial driver: Fix bug Poll RTS/CTS status in DMA mode as well 
https://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=3858

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
 2008-02-02 14:29:25 +08:00
Mike Frysinger
8851c71eb9 [Blackfin] serial driver: rework break flood anomaly handling to be more robust/realistic about what we can actually work around 
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
 2007-12-24 19:48:04 +08:00
Mike Frysinger
0bcfd70ea1 [Blackfin] serial driver: fix bug - cache the bits of the LSR on systems where the LSR is read-to-clear 
Cache the bits of the LSR on systems where the LSR is read-to-clear
so that we can safely read the LSR in random places.  this fixes
older parts where break/framing/parity/overflow was not being detected
at all in PIO mode, and this fixes newer parts where
break/framing/parity/overflow was being reported all the time
without being cleared.

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
 2007-12-24 19:40:05 +08:00
Mike Frysinger
40edad3efa [Blackfin] arch: add bfin_clear_PPIx_STATUS() helper funcs like we have for other parts 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-25 15:23:30 +08:00
Mike Frysinger
fee40119a2 [Blackfin] arch: make sure we have proper description/copyright/license lines 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-25 15:06:07 +08:00
Michael Hennerich
3927819d51 [Blackfin] arch: Fix CONFIG_PM support for BF561 
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-25 14:39:50 +08:00
Michael Hennerich
464abc5de6 [Blackfin] arch: Cleanup abd Simplify: 
- Simplify init_arch_irq
 - Make code more readable
 - Remove useless SSYNCs
 - Fix comments

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
 2008-02-25 13:50:20 +08:00
Martin Schwidefsky
257ce73473 Add pgtable_t to remaining nommu architectures 
The pte_fn_t in include/linux/mm.h make it necessary for all architectures
to define a pgtable_t type, even those that do not have an mmu.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2008-02-09 11:08:33 -08:00
Mike Frysinger
920e526f93 [Blackfin] arch: import defines for BF547 -- it is just like the BF548, but no CAN 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
 2008-02-09 02:07:08 +08:00
Michael Hennerich
6e668936db [Blackfin] arch: Encourage users to use the spidev character driver: Provide platform support 
- Enable kernel generic spidev driver for blackfin SPI ADC
 - spi_adc driver, document and test sample not synced

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
 2008-02-09 01:54:09 +08:00
Sonic Zhang
8b01eaff4f [Blackfin] arch: Enable UART2 and UART3 for bf548 
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
 2008-02-02 16:31:00 +08:00
Tilman Schmidt
a8c12385c2 [Blackfin] arch: remove duplicated definitions of the line discipline numbers N_* in asm-blackfin/termios.h 
The definitions of the line discipline numbers N_* have been moved
from asm-*/termios.h to linux/tty.h, but the Blackfin architecture
has somehow evaded that move. Bring it in line with the others.

Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
 2008-02-02 16:14:53 +08:00
Mike Frysinger
80f31c8a03 [Blackfin] arch: change the trace buffer control start/stop logic in the exception handlers 
To save/restore the trace buffer control so that if we take an exception
after turning off the trace buffer at a higher level we dont inadvertently
turn the trace buffer back on

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
 2008-02-02 15:47:24 +08:00
Michael Hennerich
cfefe3c683 [Blackfin] arch: hook up set_irq_wake in Blackfin's irq code 
- Add support for irq_wake on system and gpio interrupts
 - Remove outdated kernel options
 - Add option to select default PM mode
 - Fix various places where SIC_IWRx was only handled partially

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
 2008-02-09 04:12:37 +08:00
Michael Hennerich
2c4f829b0c [Blackfin] arch: Merge BF561 support into ints-priority 
Merge single core ints-priority-sc.c and dual core ints-priority-dc.c
into one common code ints-priority.c

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
 2008-02-09 04:11:14 +08:00
Bryan Wu
960265e22b [Blackfin] arch: fix bug: redefinition warning when compile EZKIT548 
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
 2008-02-02 12:28:11 +08:00
Mike Frysinger
531d7d4256 asm-*/posix_types.h: scrub __GLIBC__ 
Some arches (like alpha and ia64) already have a clean posix_types.h header.
This brings all the others in line by removing all references to __GLIBC__
(and some undocumented __USE_ALL).

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: Ulrich Drepper <drepper@redhat.com>
Cc: Roland McGrath <roland@redhat.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2008-02-08 09:22:34 -08:00
David Howells
922a70d327 aout: move STACK_TOP[_MAX] to asm/processor.h 
Move STACK_TOP[_MAX] out of asm/a.out.h and into asm/processor.h as they're
required whether or not A.OUT format is available.

Signed-off-by: David Howells <dhowells@redhat.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2008-02-08 09:22:29 -08:00
Mathieu Desnoyers
10b8827068 Add cmpxchg_local to blackfin, replace __cmpxchg by generic cmpxchg 
Use the new generic cmpxchg_local (disables interrupt). Also use the generic
cmpxchg as fallback if SMP is not set since nobody seems to know why __cmpxchg
has been implemented in assembly in the first place thather than in plain C.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Bryan Wu <bryan.wu@analog.com>
Cc: Michael Frysinger <michael.frysinger@analog.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2008-02-07 08:42:31 -08:00
H. Peter Anvin
6e16d89bcd Sanitize the type of struct user.u_ar0 
struct user.u_ar0 is defined to contain a pointer offset on all
architectures in which it is defined (all architectures which define an
a.out format except SPARC.) However, it has a pointer type in the headers,
which is pointless -- <asm/user.h> is not exported to userspace, and it
just makes the code messy.

Redefine the field as "unsigned long" (which is the same size as a pointer
on all Linux architectures) and change the setting code to user offsetof()
instead of hand-coded arithmetic.

Cc: Linux Arch Mailing List <linux-arch@vger.kernel.org>
Cc: Bryan Wu <bryan.wu@analog.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Lennert Buytenhek <kernel@wantstofly.org>
Cc: Håvard Skinnemoen <hskinnemoen@atmel.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2008-02-07 08:42:30 -08:00
Kirill A. Shutemov
516c25a86f Cleanup asm/{elf,page,user}.h: #ifdef __KERNEL__ is no longer needed 
asm/elf.h, asm/page.h and asm/user.h don't export to userspace now, so we can
drop #ifdef __KERNEL__ for them.

[k.shutemov@gmail.com: remove #ifdef __KERNEL_]
Signed-off-by: Kirill A. Shutemov <k.shutemov@gmail.com>
Reviewed-by: David Woodhouse <dwmw2@infradead.org>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Kirill A. Shutemov <k.shutemov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2008-02-07 08:42:30 -08:00
Adrian Bunk
870b8f8c43 remove mm_{ptov,vtop}() 
This patch removes the unused mm_{ptov,vtop}().

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Bryan Wu <bryan.wu@analog.com>
Cc: Miles Bader <miles.bader@necel.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2008-02-06 10:41:01 -08:00