| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: (30 commits)
Blackfin arch: If we double fault, rather than hang forever, reset
Blackfin arch: When icache is off, make sure people know it
Blackfin arch: Fix bug - skip single step in high priority interrupt handler instead of disabling all interrupts in single step debugging.
Blackfin arch: cache the values of vco/sclk/cclk as the overhead of doing so (~24 bytes) is worth avoiding the software mult/div routines
Blackfin arch: fix bug - IMDMA is not type struct dma_register
Blackfin arch: check the EXTBANKS field of the DDRCTL1 register to see if we are using both memory banks
Blackfin arch: Apply Bluetechnix CM-BF527 board support patch
Blackfin arch: Add unwinding for stack info, and a little more detail on trace buffer
Blackfin arch: Add ISP1760 board resources to BF548-EZKIT
Blackfin arch: fix bug - detect 0.1 silicon revision BF527-EZKIT as 0.0 version
Blackfin arch: add missing IORESOURCE_MEM flags to UART3
Blackfin arch: Add return value check in bfin_sir_probe(), remove SSYNC().
Blackfin arch: Extend sram malloc to handle L2 SRAM.
Blackfin arch: Remove useless config option.
Blackfin arch: change L1 malloc to base on slab cache and lists.
Blackfin arch: use local labels and ENDPROC() markings
Blackfin arch: Do not need this dualcore test module in kernel.
Blackfin arch: Allow ptrace to peek and poke application data in L1 data SRAM.
Blackfin arch: Add ANOMALY_05000368 workaround
Blackfin arch: Functional power management support
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Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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instead of disabling all interrupts in single step debugging.
Skip single step if event priority of current instruction is higher than
that of the first instruction, from which gdb starts single step.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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(~24 bytes) is worth avoiding the software mult/div routines
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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TEMP Workaround - avoid access to PERIPHERAL_MAP
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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are using both memory banks
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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trace buffer
Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Extend system call to alloc L2 SRAM in application.
Automatically move following sections to L2 SRAM:
1. kernel built-in l2 attribute section
2. kernel module l2 attribute section
3. elf-fdpic application l2 attribute section
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Remove the sram piece limitation and improve the performance to
alloc/free sram piece data.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Jie Zhang <jie.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Enable: PM_SUSPEND_MEM -> Blackfin Hibernate to SDRAM
This feature requires a special bootloader (u-boot)
supporting return from hibernate.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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R_pcrel12_jump_s)
Use long jump
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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use kernel command line mem and max_mem bootargs to limit
availabe memory instead.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Don't write conflicting data to EBIU_SDBCTL after the SDRAM is
configured. This can cause data corruption, since we might change SDRAM
row and column addressing modes.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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to happen when CONFIG_L1_MAX_PIECE is increased past its default
Singed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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interrupt hang system.
- Implement irq_chip.enable and irq_chip.disable
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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bf53x board which do not have on-chip nand flash controller
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Remove arch-specific show_mem() in favor of the generic version.
This also removes the following redundant information display:
- free pages, printed by show_free_areas()
- pages in swapcache, printed by show_swap_cache_info()
where show_mem() calls show_free_areas(), which calls
show_swap_cache_info().
Signed-off-by: Johannes Weiner <hannes@saeurebad.de>
Acked-by: Bryan Wu <cooloney@kernel.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/tip/linux-2.6-tip
* 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
nohz: adjust tick_nohz_stop_sched_tick() call of s390 as well
nohz: prevent tick stop outside of the idle loop
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Jack Ren and Eric Miao tracked down the following long standing
problem in the NOHZ code:
scheduler switch to idle task
enable interrupts
Window starts here
----> interrupt happens (does not set NEED_RESCHED)
irq_exit() stops the tick
----> interrupt happens (does set NEED_RESCHED)
return from schedule()
cpu_idle(): preempt_disable();
Window ends here
The interrupts can happen at any point inside the race window. The
first interrupt stops the tick, the second one causes the scheduler to
rerun and switch away from idle again and we end up with the tick
disabled.
The fact that it needs two interrupts where the first one does not set
NEED_RESCHED and the second one does made the bug obscure and extremly
hard to reproduce and analyse. Kudos to Jack and Eric.
Solution: Limit the NOHZ functionality to the idle loop to make sure
that we can not run into such a situation ever again.
cpu_idle()
{
preempt_disable();
while(1) {
tick_nohz_stop_sched_tick(1); <- tell NOHZ code that we
are in the idle loop
while (!need_resched())
halt();
tick_nohz_restart_sched_tick(); <- disables NOHZ mode
preempt_enable_no_resched();
schedule();
preempt_disable();
}
}
In hindsight we should have done this forever, but ...
/me grabs a large brown paperbag.
Debugged-by: Jack Ren <jack.ren@marvell.com>,
Debugged-by: eric miao <eric.y.miao@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Also includes a few Kconfig files (xtensa, blackfin)
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
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master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
Documentation/powerpc/booting-without-of.txt
drivers/atm/Makefile
drivers/net/fs_enet/fs_enet-main.c
drivers/pci/pci-acpi.c
net/8021q/vlan.c
net/iucv/iucv.c
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According to Mike Frysinger:
http://permalink.gmane.org/gmane.linux.kernel/699279
open() does not need the BKL, so take it back out.
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Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
Documentation/feature-removal-schedule.txt
drivers/net/wan/hdlc_fr.c
drivers/net/wireless/iwlwifi/iwl-4965.c
drivers/net/wireless/iwlwifi/iwl3945-base.c
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--
WARNING: vmlinux.o(.text+0x721a): Section mismatch in reference from the function ___fill_code_cplbtab() to the function .init.text:_fill_cplbtab()
The function ___fill_code_cplbtab() references
the function __init _fill_cplbtab().
This is often because ___fill_code_cplbtab lacks a __init
annotation or the annotation of _fill_cplbtab is wrong.
WARNING: vmlinux.o(.text+0x7238): Section mismatch in reference from the function ___fill_code_cplbtab() to the function .init.text:_fill_cplbtab()
The function ___fill_code_cplbtab() references
the function __init _fill_cplbtab().
This is often because ___fill_code_cplbtab lacks a __init
annotation or the annotation of _fill_cplbtab is wrong.
WARNING: vmlinux.o(.text+0x7250): Section mismatch in reference from the function ___fill_code_cplbtab() to the function .init.text:_fill_cplbtab()
The function ___fill_code_cplbtab() references
the function __init _fill_cplbtab().
This is often because ___fill_code_cplbtab lacks a __init
annotation or the annotation of _fill_cplbtab is wrong.
WARNING: vmlinux.o(.text+0x7264): Section mismatch in reference from the function ___fill_code_cplbtab() to the function .init.text:_fill_cplbtab()
The function ___fill_code_cplbtab() references
the function __init _fill_cplbtab().
This is often because ___fill_code_cplbtab lacks a __init
annotation or the annotation of _fill_cplbtab is wrong.
WARNING: vmlinux.o(.text+0x72a2): Section mismatch in reference from the function ___fill_data_cplbtab() to the function .init.text:_fill_cplbtab()
The function ___fill_data_cplbtab() references
the function __init _fill_cplbtab().
This is often because ___fill_data_cplbtab lacks a __init
annotation or the annotation of _fill_cplbtab is wrong.
WARNING: vmlinux.o(.text+0x72bc): Section mismatch in reference from the function ___fill_data_cplbtab() to the function .init.text:_fill_cplbtab()
The function ___fill_data_cplbtab() references
the function __init _fill_cplbtab().
This is often because ___fill_data_cplbtab lacks a __init
annotation or the annotation of _fill_cplbtab is wrong.
WARNING: vmlinux.o(.text+0x72d4): Section mismatch in reference from the function ___fill_data_cplbtab() to the function .init.text:_fill_cplbtab()
The function ___fill_data_cplbtab() references
the function __init _fill_cplbtab().
This is often because ___fill_data_cplbtab lacks a __init
annotation or the annotation of _fill_cplbtab is wrong.
WARNING: vmlinux.o(.text+0x72e8): Section mismatch in reference from the function ___fill_data_cplbtab() to the function .init.text:_fill_cplbtab()
The function ___fill_data_cplbtab() references
the function __init _fill_cplbtab().
This is often because ___fill_data_cplbtab lacks a __init
annotation or the annotation of _fill_cplbtab is wrong.
--
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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debugging enabled
Initialize the lock of bad_irq_desc properly.
The content of irq_desc array is replaced by bad_irq_desc in blackfin
arch irqchip init code. So, do it properly as common irq init code.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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The dm9000 driver accepts either 2 or 3 resources to describe the platform
devices. The 2 resources case abuses the ioresource mechanism by passing
ioremap()ed memory through the platform device resources. This patch removes
converts boards that were using it to the 3 resources scheme.
CC: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Laurent Pinchart <laurentp@cse-semaphore.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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AD7877 use SSEL_2 (P9.9) and IRQ_PF8 (P9.14) on BF527
- populating JP3 to enable STAMP
- disable SW11.2 to disconnect SSEL_2/PF12 from Rotary NAND
- disable SW18.1 to disconnect SSEL_2 from MAX1233 touchscreen chip
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Singed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
[PATCH] return to old errno choice in mkdir() et.al.
[Patch] fs/binfmt_elf.c: fix wrong return values
[PATCH] get rid of leak in compat_execve()
[Patch] fs/binfmt_elf.c: fix a wrong free
[PATCH] avoid multiplication overflows and signedness issues for max_fds
[PATCH] dup_fd() part 4 - race fix
[PATCH] dup_fd() - part 3
[PATCH] dup_fd() part 2
[PATCH] dup_fd() fixes, part 1
[PATCH] take init_files to fs/file.c
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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