11 years agoBlackfin: bf538-ezkit: add resources for parallel flash
Barry Song [Mon, 3 Aug 2009 04:40:36 +0000]
Blackfin: bf538-ezkit: add resources for parallel flash

The board has some parallel flash hooked up to the async banks, so add
appropriate physmap resources for it.

Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: fix read buffer overflow
Roel Kluin [Sun, 2 Aug 2009 12:26:48 +0000]
Blackfin: fix read buffer overflow

Check whether index is within bounds before testing the element.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: bf548-ezkit: fix incorrect LCD size parameters
Stefan Pledl [Wed, 29 Jul 2009 08:09:45 +0000]
Blackfin: bf548-ezkit: fix incorrect LCD size parameters

I think we have to use the physical dimensions [mm] of the display for
.width and .heigth in struct bfin_bf54xfb_mach_info bf54x_lq043_data which
are copied to fbinfo->var.height/.width in bf54x-lq043fb.c.

linux/fb.h describes this values as 'height/weight of picture in mm'

Otherwise QT calcs the wrong dpi value and the displayed fonts are very
small.

Signed-off-by: Stefan Pledl <stefan.pledl@mesutronic.de>
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: cm-bf527/bf537-stamp: fix dm9000 resources
Barry Song [Mon, 27 Jul 2009 06:42:50 +0000]
Blackfin: cm-bf527/bf537-stamp: fix dm9000 resources

The dm9000 driver expects two IORESOURCE_MEM to get at the device, so make
sure we declare things properly.

Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: drop unused MMR defines that only cause bad code to be written
Mike Frysinger [Mon, 27 Jul 2009 00:44:25 +0000]
Blackfin: drop unused MMR defines that only cause bad code to be written

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: convert boards to use platform data with smc91x
Michael Hennerich [Fri, 24 Jul 2009 08:48:31 +0000]
Blackfin: convert boards to use platform data with smc91x

Latest smc91x driver allows you to specify settings in board resources
rather than needing CONFIG_BLACKFIN in the drivers/net/smc91x.h header.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: bf537-stamp: drop ATA interrupt probe workaround
Barry Song [Thu, 23 Jul 2009 04:20:48 +0000]
Blackfin: bf537-stamp: drop ATA interrupt probe workaround

The interrupt probe workaround doesn't work without hacks to common code,
and the add-on card only needs a simple resistor to fix the problem, so
drop the board-specific hack.

Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: improve double fault debug handling
Graf Yang [Wed, 22 Jul 2009 11:56:24 +0000]
Blackfin: improve double fault debug handling

Since the hardware only provides reporting for the last exception handled,
and the values are valid only when executing the exception handler, we
need to save the context for reporting at a later point.  While we do this
for one exception, it doesn't work properly when handling a second one as
the original exception is clobbered by the double fault.  So when double
fault debugging is enabled, create a dedicated shadow of these values and
save/restore out of there.  Now the crash report properly displays the
first exception as well as the second one.

Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: bf533-stamp: fix typo in SPI frequency for ad1836 codec
Cliff Cai [Wed, 22 Jul 2009 06:34:55 +0000]
Blackfin: bf533-stamp: fix typo in SPI frequency for ad1836 codec

One too many zeros means we run way faster than the codec can handle.

Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: fix MPU handling of invalid memory accesses
Graf Yang [Tue, 21 Jul 2009 02:26:57 +0000]
Blackfin: fix MPU handling of invalid memory accesses

The protect_page() function was incorrectly setting up the hardware tables
based on possible access capabilities rather than the actual requested
values.  This means we would grant more access to mmap-ed pages than we
should have.  Once we fix this, we need to tweak the signal generated by
such accesses to aline ourselves with other ports.  This allows the LTP
mmap0{5,6,7} cases to run properly.

Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: clean up duplicate I2C device type definitions
Jean Delvare [Sat, 18 Jul 2009 14:54:03 +0000]
Blackfin: clean up duplicate I2C device type definitions

I2C_BOARD_INFO() already sets .type, no need to set it again.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: bf537-stamp: update AD714x resources
Barry Song [Fri, 17 Jul 2009 07:04:55 +0000]
Blackfin: bf537-stamp: update AD714x resources

Push the device table to the board resources as data interpretation can be
changed on a per-board basis.

Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: do not try displaying the end of the stack
Sonic Zhang [Thu, 16 Jul 2009 10:36:35 +0000]
Blackfin: do not try displaying the end of the stack

The end of the stack may not be valid (and that could be OK), so do not
attempt to parse it.  If we do, we might use a bad pointer in kernel space
which makes things panic().

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: bf533-stamp: add resources for mmc_spi card
Yi Li [Thu, 16 Jul 2009 10:12:30 +0000]
Blackfin: bf533-stamp: add resources for mmc_spi card

Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: bf538: add bfin_clear_PPI_STATUS() helper
Barry Song [Mon, 13 Jul 2009 04:16:42 +0000]
Blackfin: bf538: add bfin_clear_PPI_STATUS() helper

Add the bf538 version of bfin_clear_PPI_STATUS() to match all other ports.

Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: fix BF548 UART0 DMA IRQ translation
Stefan Pledl [Sat, 11 Jul 2009 11:50:42 +0000]
Blackfin: fix BF548 UART0 DMA IRQ translation

The initial BF54x port included some defines to keep code simple across
different processors, but it just ended up causing the UART0 DMA IRQs to
be set to the UART1 channels.

Signed-off-by: Stefan Pledl <stefan.pledl@mesutronic.de>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: catch hardware errors earlier during booting
Robin Getz [Tue, 7 Jul 2009 20:17:09 +0000]
Blackfin: catch hardware errors earlier during booting

Allow hardware errors to be caught during early portions of booting, and
leave something in the shadow console that people can use to debug their
system with (to be printed out by the bootloader on next reset).

This enables the hardare error interrupts in head.S, allowing us to find
hardware errors when they happen (well, as much as you can with a hardware
error) and prints out the trace if it is enabled.  This will catch errors
(like booting the wrong image on a 533) which previously resulted in a
infinite loop/hang, as well as random hardware errors before before
setup_arch().

To disable this debug only feature - turn off EARLY_PRINTK.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: add an early shadow console
Robin Getz [Mon, 6 Jul 2009 14:53:19 +0000]
Blackfin: add an early shadow console

Add a memory based shadow console to keep a copy of the printk buffer in a
location which can be found externally.  This allows bootloaders to locate
and utilize the log buffer in case of silent (early/resume/etc...) crashes.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: add support for common FDPIC ptrace requests
Mike Frysinger [Fri, 3 Jul 2009 00:17:45 +0000]
Blackfin: add support for common FDPIC ptrace requests

The FDPIC arches support a standard set of ptrace requests so rather than
define our own custom API, hook up those requests for common code to
leverage.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: push SRAM locks down into related ifdefs
Mike Frysinger [Wed, 1 Jul 2009 15:42:13 +0000]
Blackfin: push SRAM locks down into related ifdefs

Rather than defining the locks and initializing them all the time, only do
so when we actually need them (i.e. the SRAM regions exist).  This avoids
dead data and code bloat during runtime.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: unify duplicated SMP checks in L2 cache kconfig
Sonic Zhang [Tue, 30 Jun 2009 09:48:03 +0000]
Blackfin: unify duplicated SMP checks in L2 cache kconfig

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: rename PCF8574 driver config
Michael Hennerich [Tue, 30 Jun 2009 14:57:22 +0000]
Blackfin: rename PCF8574 driver config

The "TWI_KEYPAD" driver was renamed to "INPUT_PCF8574", so update the
defines in the board resources accordingly.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: clean up early memory setup code
Robin Getz [Fri, 26 Jun 2009 12:52:46 +0000]
Blackfin: clean up early memory setup code

Remove code duplication, and only print out memory warnings when they are
an actual problem.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: fix module reloc handling for all memory regions
Mike Frysinger [Fri, 26 Jun 2009 00:49:51 +0000]
Blackfin: fix module reloc handling for all memory regions

The current module relocation code has spotty handling wrt different
memory regions (like L1 instruction).  Rather than try to fix each
little spot, use the new common memory functions to greatly simplify
everything and make sure it is always correct.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: cleanup module section checking
Mike Frysinger [Fri, 26 Jun 2009 00:48:33 +0000]
Blackfin: cleanup module section checking

The current module section handling code has a lot of verbose statements
copied and pasted throughout which makes it pretty hard to digest at a
glance.  By unifying all of these up front, it is a lot easier to quickly
get an idea of what is actually going on.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: convert malloc()/memset() to zalloc() in module code
Mike Frysinger [Fri, 26 Jun 2009 00:37:40 +0000]
Blackfin: convert malloc()/memset() to zalloc() in module code

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: cleanup printk() usage in module code
Mike Frysinger [Fri, 26 Jun 2009 00:35:24 +0000]
Blackfin: cleanup printk() usage in module code

Convert all printk() statements to use the common pr_xxx() funcs and use
the new pr_fmt() function to standardize all of the output.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: reject outdated/unused/wrong relocation types
Robin Getz [Thu, 25 Jun 2009 15:49:38 +0000]
Blackfin: reject outdated/unused/wrong relocation types

All kernel modules are required to be built with -mlong-calls and thus
should not generate any of these relocations.  If they do, it means the
module has not been compiled properly, so rather than trying to handle
them (and running into random run time errors) just error out on module
load to force the module to be compiled correctly.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: convert ptrace to new memory functions
Mike Frysinger [Thu, 25 Jun 2009 00:02:58 +0000]
Blackfin: convert ptrace to new memory functions

Now that we have a Blackfin memory function to figure out how to properly
access the different regions, drop the custom memory range checks in our
ptrace code and use that.  It makes the code nicer and fixes bugs where
the ptrace logic wasn't handling all the different regions.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: cleanup traps decode_address() a bit
Mike Frysinger [Tue, 23 Jun 2009 20:17:21 +0000]
Blackfin: cleanup traps decode_address() a bit

Unify the address display to shrink the code, and add missing decoding of
a few special Blackfin-specific regions (L1 ROM and MMRs).

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: inline I-pipe bypass code in ret_from_exception
Philippe Gerum [Mon, 22 Jun 2009 16:26:22 +0000]
Blackfin: inline I-pipe bypass code in ret_from_exception

Signed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: sanitize manual control of IPEND[4]
Philippe Gerum [Mon, 22 Jun 2009 16:26:07 +0000]
Blackfin: sanitize manual control of IPEND[4]

Cleanup is performed in two ways:

- remove extraneous updates of IPEND[4] w/ CONFIG_IPIPE,
  and document remaining use.

- substitute pop-reg-from-stack instructions with plain SP fixups in
  all save-RETI-then-discard patterns.

Signed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: document __ipipe_call_irqtail
Philippe Gerum [Mon, 22 Jun 2009 16:25:52 +0000]
Blackfin: document __ipipe_call_irqtail

Signed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: allow EVT5 to preempt irqtail prologue (CONFIG_DEBUG_HWERR)
Philippe Gerum [Mon, 22 Jun 2009 16:24:18 +0000]
Blackfin: allow EVT5 to preempt irqtail prologue (CONFIG_DEBUG_HWERR)

Signed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: reuse evt_evt14 handler to perform irqtail epilogue
Philippe Gerum [Mon, 22 Jun 2009 16:24:02 +0000]
Blackfin: reuse evt_evt14 handler to perform irqtail epilogue

Signed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: use generic name for EVT14 handler
Philippe Gerum [Mon, 22 Jun 2009 16:23:48 +0000]
Blackfin: use generic name for EVT14 handler

The purpose of the EVT14 handler may depend on whether CONFIG_IPIPE is
enabled, albeit its implementation can be the same in both cases. When
the interrupt pipeline is enabled, EVT14 can be used to raise the core
priority level for the running code; when CONFIG_IPIPE is off, EVT14
can be used to lower this level before running softirq handlers.

Rename evt14_softirq to evt_evt14 to pick an identifier that fits
both, which allows to reuse the same vector setup code as well.

Signed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: allow high priority domains to preempt schedule_tail()
Philippe Gerum [Mon, 22 Jun 2009 16:23:32 +0000]
Blackfin: allow high priority domains to preempt schedule_tail()

ret_from_fork is always entered with hw interrupts off, which prevents
real-time domains to preempt the Linux kernel during part of the
initial context switch to the new task, which could in turn raise the
worst-case latency figures.

To avoid this, stall the root domain stage in the interrupt pipeline
to keep the scheduling tail code free from Linux-handled IRQs, then
enable hardware interrupts again.

Signed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: export show_stack() to modules
Philippe Gerum [Mon, 22 Jun 2009 16:23:12 +0000]
Blackfin: export show_stack() to modules

Signed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: fix misnomer of some I-pipe helpers
Philippe Gerum [Mon, 22 Jun 2009 16:22:48 +0000]
Blackfin: fix misnomer of some I-pipe helpers

__ipipe_{stall, unstall}_root_raw() identifiers may leave the reader
under the impression that only the virtual state is affected by these
operations, which is wrong. Pick names following the convention used
throughout the interrupt pipeline code.

Signed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: checkpatch --file arch/blackfin/kernel/ipipe.c
Philippe Gerum [Mon, 22 Jun 2009 16:22:25 +0000]
Blackfin: checkpatch --file arch/blackfin/kernel/ipipe.c

Signed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: make EVT3->EVT5 lowering more robust wrt IPEND[4]
Robin Getz [Mon, 22 Jun 2009 02:02:16 +0000]
Blackfin: make EVT3->EVT5 lowering more robust wrt IPEND[4]

We handle many exceptions at EVT5 (hardware error level) so that we can
catch exceptions in our exception handling code.  Today - if the global
interrupt enable bit (IPEND[4]) is set (interrupts disabled) our trap
handling code goes into a infinite loop, since we need interrupts to be
on to defer things to EVT5.

Normal kernel code should not trigger this for any reason as IPEND[4] gets
cleared early (when doing an interrupt context save) and the kernel stack
there should be sane (or something much worse is happening in the system).
But there have been a few times where this has happened, so this change
makes sure we dump a proper crash message even when things have gone south.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: bf537-stamp: add resources for AD1938 audio card
Barry Song [Thu, 4 Jun 2009 10:14:17 +0000]
Blackfin: bf537-stamp: add resources for AD1938 audio card

Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: bf537-stamp: declare SPI IRQ resources
Yi Li [Wed, 3 Jun 2009 09:46:22 +0000]
Blackfin: bf537-stamp: declare SPI IRQ resources

Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoBlackfin: bf537-stamp: update ADP5588 header name
Michael Hennerich [Tue, 2 Dec 2008 14:08:58 +0000]
Blackfin: bf537-stamp: update ADP5588 header name

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

11 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6
Linus Torvalds [Wed, 16 Sep 2009 15:27:10 +0000]
Merge git://git./linux/kernel/git/gregkh/driver-core-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6:
  Driver Core: devtmpfs - kernel-maintained tmpfs-based /dev
  debugfs: Modify default debugfs directory for debugging pktcdvd.
  debugfs: Modified default dir of debugfs for debugging UHCI.
  debugfs: Change debugfs directory of IWMC3200
  debugfs: Change debuhgfs directory of trace-events-sample.h
  debugfs: Fix mount directory of debugfs by default in events.txt
  hpilo: add poll f_op
  hpilo: add interrupt handler
  hpilo: staging for interrupt handling
  driver core: platform_device_add_data(): use kmemdup()
  Driver core: Add support for compatibility classes
  uio: add generic driver for PCI 2.3 devices
  driver-core: move dma-coherent.c from kernel to driver/base
  mem_class: fix bug
  mem_class: use minor as index instead of searching the array
  driver model: constify attribute groups
  UIO: remove 'default n' from Kconfig
  Driver core: Add accessor for device platform data
  Driver core: move dev_get/set_drvdata to drivers/base/dd.c
  Driver core: add new device to bus's list before probing

11 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6
Linus Torvalds [Wed, 16 Sep 2009 15:11:54 +0000]
Merge git://git./linux/kernel/git/gregkh/staging-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: (641 commits)
  Staging: remove sxg driver
  Staging: remove heci driver
  Staging: remove at76_usb wireless driver.
  Staging: rspiusb: remove the driver
  Staging: meilhaus: remove the drivers
  Staging: remove me4000 driver.
  Staging: line6: ffzb returns an unsigned integer
  Staging: line6: pod.c: style cleanups
  Staging: iio: introduce missing kfree
  Staging: dream: introduce missing kfree
  Staging: comedi: addi-data: NULL dereference of amcc in v_pci_card_list_init()
  Staging: vt665x: fix built-in compiling
  Staging: rt3090: enable NATIVE_WPA_SUPPLICANT_SUPPORT option
  Staging: rt3090: port changes in WPA_MIX_PAIR_CIPHER to rt3090
  Staging: rt3090: rename device from raX to wlanX
  Staging: rt3090: remove possible conflict with rt2860
  Staging: rt2860/rt2870/rt3070/rt3090: fix compiler warning on x86_64
  Staging: rt2860: add new device ids
  Staging: rt3090: add device id 1462:891a
  Staging: asus_oled: Cleaned up checkpatch issues.
  ...

11 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pcmcia-2.6
Linus Torvalds [Wed, 16 Sep 2009 15:11:23 +0000]
Merge git://git./linux/kernel/git/gregkh/pcmcia-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pcmcia-2.6:
  pcmcia: document return value of pcmcia_loop_config
  pcmcia: dtl1_cs: fix pcmcia_loop_config logic
  pcmcia: drop non-existant includes
  pcmcia: disable prefetch/burst for OZ6933
  pcmcia: fix incorrect argument order to list_add_tail()
  pcmcia: drivers/pcmcia/pcmcia_resource.c: Remove unnecessary semicolons
  pcmcia: Use phys_addr_t for physical addresses
  pcmcia: drivers/pcmcia: Make static

11 years agoMerge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes...
Linus Torvalds [Wed, 16 Sep 2009 14:49:54 +0000]
Merge branch 'linux-next' of git://git./linux/kernel/git/jbarnes/pci-2.6

* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (75 commits)
  PCI hotplug: clean up acpi_run_hpp()
  PCI hotplug: acpiphp: use generic pci_configure_slot()
  PCI hotplug: shpchp: use generic pci_configure_slot()
  PCI hotplug: pciehp: use generic pci_configure_slot()
  PCI hotplug: add pci_configure_slot()
  PCI hotplug: clean up acpi_get_hp_params_from_firmware() interface
  PCI hotplug: acpiphp: don't cache hotplug_params in acpiphp_bridge
  PCI hotplug: acpiphp: remove superfluous _HPP/_HPX evaluation
  PCI: Clear saved_state after the state has been restored
  PCI PM: Return error codes from pci_pm_resume()
  PCI: use dev_printk in quirk messages
  PCI / PCIe portdrv: Fix pcie_portdrv_slot_reset()
  PCI Hotplug: convert acpi_pci_detect_ejectable() to take an acpi_handle
  PCI Hotplug: acpiphp: find bridges the easy way
  PCI: pcie portdrv: remove unused variable
  PCI / ACPI PM: Propagate wake-up enable for devices w/o ACPI support
  ACPI PM: Replace wakeup.prepared with reference counter
  PCI PM: Introduce device flag wakeup_prepared
  PCI / ACPI PM: Rework some debug messages
  PCI PM: Simplify PCI wake-up code
  ...

Fixed up conflict in arch/powerpc/kernel/pci_64.c due to OF device tree
scanning having been moved and merged for the 32- and 64-bit cases.  The
'needs_freset' initialization added in 6e19314cc ("PCI/powerpc: support
PCIe fundamental reset") is now in arch/powerpc/kernel/pci_of_scan.c.

11 years agoMerge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
Linus Torvalds [Wed, 16 Sep 2009 14:46:34 +0000]
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block

* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
  block: fix linkage problem with blk_iopoll and !CONFIG_BLOCK

11 years agoMerge branch 'writeback' of git://git.kernel.dk/linux-2.6-block
Linus Torvalds [Wed, 16 Sep 2009 14:45:38 +0000]
Merge branch 'writeback' of git://git.kernel.dk/linux-2.6-block

* 'writeback' of git://git.kernel.dk/linux-2.6-block:
  writeback: fix possible bdi writeback refcounting problem
  writeback: Fix bdi use after free in wb_work_complete()
  writeback: improve scalability of bdi writeback work queues
  writeback: remove smp_mb(), it's not needed with list_add_tail_rcu()
  writeback: use schedule_timeout_interruptible()
  writeback: add comments to bdi_work structure
  writeback: splice dirty inode entries to default bdi on bdi_destroy()
  writeback: separate starting of sync vs opportunistic writeback
  writeback: inline allocation failure handling in bdi_alloc_queue_work()
  writeback: use RCU to protect bdi_list
  writeback: only use bdi_writeback_all() for WB_SYNC_NONE writeout
  fs: Assign bdi in super_block
  writeback: make wb_writeback() take an argument structure
  writeback: merely wakeup flusher thread if work allocation fails for WB_SYNC_NONE
  writeback: get rid of wbc->for_writepages
  fs: remove bdev->bd_inode_backing_dev_info

11 years agowriteback: fix possible bdi writeback refcounting problem
Nick Piggin [Tue, 15 Sep 2009 19:37:55 +0000]
writeback: fix possible bdi writeback refcounting problem

wb_clear_pending AFAIKS should not be called after the item has been
put on the list, except by the worker threads. It could lead to the
situation where the refcount is decremented below 0 and cause lots of
problems.

Presumably the !wb_has_dirty_io case is not a common one, so it can
be discovered when the thread wakes up to check?

Also add a comment in bdi_work_clear.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

11 years agowriteback: Fix bdi use after free in wb_work_complete()
Nick Piggin [Tue, 15 Sep 2009 19:34:51 +0000]
writeback: Fix bdi use after free in wb_work_complete()

By the time bdi_work_on_stack gets evaluated again in bdi_work_free, it
can already have been deallocated and used for something else in the
!on stack case, giving a false positive in this test and causing
corruption.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

11 years agowriteback: improve scalability of bdi writeback work queues
Nick Piggin [Tue, 15 Sep 2009 19:34:12 +0000]
writeback: improve scalability of bdi writeback work queues

If you're going to do an atomic RMW on each list entry, there's not much
point in all the RCU complexities of the list walking. This is only going
to help the multi-thread case I guess, but it doesn't hurt to do now.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

11 years agowriteback: remove smp_mb(), it's not needed with list_add_tail_rcu()
Nick Piggin [Tue, 15 Sep 2009 19:32:58 +0000]
writeback: remove smp_mb(), it's not needed with list_add_tail_rcu()

list_add_tail_rcu contains required barriers.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

11 years agowriteback: use schedule_timeout_interruptible()
Jens Axboe [Tue, 15 Sep 2009 19:27:40 +0000]
writeback: use schedule_timeout_interruptible()

Gets rid of a manual set_current_state().

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

11 years agowriteback: add comments to bdi_work structure
Jens Axboe [Tue, 15 Sep 2009 18:04:57 +0000]
writeback: add comments to bdi_work structure

And document its retriever, get_next_work_item().

Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

11 years agowriteback: splice dirty inode entries to default bdi on bdi_destroy()
Jens Axboe [Mon, 14 Sep 2009 10:57:56 +0000]
writeback: splice dirty inode entries to default bdi on bdi_destroy()

We cannot safely ensure that the inodes are all gone at this point
in time, and we must not destroy this bdi with inodes having off it.
So just splice our entries to the default bdi since that one will
always persist.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

11 years agowriteback: separate starting of sync vs opportunistic writeback
Jens Axboe [Wed, 16 Sep 2009 13:13:54 +0000]
writeback: separate starting of sync vs opportunistic writeback

bdi_start_writeback() is currently split into two paths, one for
WB_SYNC_NONE and one for WB_SYNC_ALL. Add bdi_sync_writeback()
for WB_SYNC_ALL writeback and let bdi_start_writeback() handle
only WB_SYNC_NONE.

Push down the writeback_control allocation and only accept the
parameters that make sense for each function. This cleans up
the API considerably.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

11 years agowriteback: inline allocation failure handling in bdi_alloc_queue_work()
Jens Axboe [Sun, 13 Sep 2009 18:07:36 +0000]
writeback: inline allocation failure handling in bdi_alloc_queue_work()

This gets rid of work == NULL in bdi_queue_work() and puts the
OOM handling where it belongs.

Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

11 years agowriteback: use RCU to protect bdi_list
Jens Axboe [Mon, 14 Sep 2009 11:12:40 +0000]
writeback: use RCU to protect bdi_list

Now that bdi_writeback_all() no longer handles integrity writeback,
it doesn't have to block anymore. This means that we can switch
bdi_list reader side protection to RCU.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

11 years agowriteback: only use bdi_writeback_all() for WB_SYNC_NONE writeout
Jens Axboe [Tue, 15 Sep 2009 07:53:35 +0000]
writeback: only use bdi_writeback_all() for WB_SYNC_NONE writeout

Data integrity writeback must use bdi_start_writeback() and ensure
that wbc->sb and wbc->bdi are set.

Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

11 years agofs: Assign bdi in super_block
Jens Axboe [Wed, 16 Sep 2009 13:02:33 +0000]
fs: Assign bdi in super_block

We do this automatically in get_sb_bdev() from the set_bdev_super()
callback. Filesystems that have their own private backing_dev_info
must assign that in ->fill_super().

Note that ->s_bdi assignment is required for proper writeback!

Acked-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

11 years agowriteback: make wb_writeback() take an argument structure
Jens Axboe [Wed, 16 Sep 2009 13:18:25 +0000]
writeback: make wb_writeback() take an argument structure

We need to be able to pass in range_cyclic as well, so instead
of growing yet another argument, split the arguments into a
struct wb_writeback_args structure that we can use internally.
Also makes it easier to just copy all members to an on-stack
struct, since we can't access work after clearing the pending
bit.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

11 years agowriteback: merely wakeup flusher thread if work allocation fails for WB_SYNC_NONE
Christoph Hellwig [Fri, 11 Sep 2009 07:47:56 +0000]
writeback: merely wakeup flusher thread if work allocation fails for WB_SYNC_NONE

Since it's an opportunistic writeback and not a data integrity action,
don't punt to blocking writeback. Just wakeup the thread and it will
flush old data.

Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

11 years agowriteback: get rid of wbc->for_writepages
Jens Axboe [Tue, 15 Sep 2009 13:10:20 +0000]
writeback: get rid of wbc->for_writepages

It's only set, it's never checked. Kill it.

Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

11 years agofs: remove bdev->bd_inode_backing_dev_info
Jens Axboe [Tue, 15 Sep 2009 07:43:56 +0000]
fs: remove bdev->bd_inode_backing_dev_info

It has been unused since it was introduced in:

commit 520808bf20e90fdbdb320264ba7dd5cf9d47dcac
Author: Andrew Morton <akpm@osdl.org>
Date:   Fri May 21 00:46:17 2004 -0700

    [PATCH] block device layer: separate backing_dev_info infrastructure

So lets just kill it.

Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

11 years agoblock: fix linkage problem with blk_iopoll and !CONFIG_BLOCK
Jens Axboe [Tue, 15 Sep 2009 19:53:11 +0000]
block: fix linkage problem with blk_iopoll and !CONFIG_BLOCK

 kernel/built-in.o:(.data+0x17b0): undefined reference to `blk_iopoll_enabled'

Since the extern declaration makes the compile work, but the actual
symbol is missing when block/blk-iopoll.o isn't linked in.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

11 years agoslub: Fix build error in kmem_cache_open() with !CONFIG_SLUB_DEBUG
Ingo Molnar [Tue, 15 Sep 2009 09:00:26 +0000]
slub: Fix build error in kmem_cache_open() with !CONFIG_SLUB_DEBUG

This build bug:

 mm/slub.c: In function 'kmem_cache_open':
 mm/slub.c:2476: error: 'disable_higher_order_debug' undeclared (first use in this function)
 mm/slub.c:2476: error: (Each undeclared identifier is reported only once
 mm/slub.c:2476: error: for each function it appears in.)

Triggers because there's no !CONFIG_SLUB_DEBUG definition for
disable_higher_order_debug.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>

11 years agoStaging: remove sxg driver
Greg Kroah-Hartman [Tue, 15 Sep 2009 17:09:27 +0000]
Staging: remove sxg driver

Unfortunatly, the upstream company has abandonded development of this
driver.  So it's best to just remove the driver from the tree.

Cc: Christopher Harrer <charrer@alacritech.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: remove heci driver
Greg Kroah-Hartman [Fri, 11 Sep 2009 16:46:35 +0000]
Staging: remove heci driver

Intel has officially abandoned this project and does not want to
maintian it or have it included in the main kernel tree, as no one
should use the code, it's not needed anymore.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: remove at76_usb wireless driver.
Greg Kroah-Hartman [Thu, 3 Sep 2009 18:58:09 +0000]
Staging: remove at76_usb wireless driver.

There is already an in-kernel driver for this hardware (since 2.6.30),
at76c50x-usb, and it supports all of the same devices.  So this driver
can now be deleted.

Acked-by: Kalle Valo <kalle.valo@iki.fi>
Cc: linux-wireless <linux-wireless@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: rspiusb: remove the driver
Greg Kroah-Hartman [Thu, 3 Sep 2009 04:33:06 +0000]
Staging: rspiusb: remove the driver

No one cares, it's a custom userspace interface, and the code hasn't
built in a long time.  So remove it.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: meilhaus: remove the drivers
Greg Kroah-Hartman [Thu, 3 Sep 2009 04:29:37 +0000]
Staging: meilhaus: remove the drivers

The comedi drivers should be used instead, no need to have
these in here as well.

Cc: David Kiliani <mail@davidkiliani.de>
Cc: Meilhaus Support <support@meilhaus.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: remove me4000 driver.
Greg Kroah-Hartman [Thu, 3 Sep 2009 04:27:08 +0000]
Staging: remove me4000 driver.

The comedi drivers should be used instead, no need to have
this driver in the tree duplicating that one.

Cc: Wolfgang Beiter <w.beiter@aon.at>
Cc: Guenter Gebhardt <g.gebhardt@meilhaus.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: line6: ffzb returns an unsigned integer
Frederik Deweerdt [Mon, 14 Sep 2009 08:52:37 +0000]
Staging: line6: ffzb returns an unsigned integer

find_first_zero_bit returns a positive value, use it accordingly.

Signed-off-by: Frederik Deweerdt <frederik.deweerdt@xprog.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: line6: pod.c: style cleanups
Frederik Deweerdt [Mon, 14 Sep 2009 08:51:38 +0000]
Staging: line6: pod.c: style cleanups

Line6 pod.c: Minor style cleanups

Signed-off-by: Frederik Deweerdt <frederik.deweerdt@xprog.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: iio: introduce missing kfree
Julia Lawall [Fri, 11 Sep 2009 16:22:27 +0000]
Staging: iio: introduce missing kfree

Error handling code following a kmalloc or kzalloc should free the
allocated data.

The semantic match that finds the 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
|
 (x->f1 == NULL || ...)
|
 f(...,x->f1,...)
)
...>
(
 return \(0\|<+...x...+>\|ptr\);
|
 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>

11 years agoStaging: dream: introduce missing kfree
Julia Lawall [Fri, 11 Sep 2009 16:22:27 +0000]
Staging: dream: introduce missing kfree

Error handling code following a kmalloc or kzalloc should free the
allocated data.

The semantic match that finds the 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
|
 (x->f1 == NULL || ...)
|
 f(...,x->f1,...)
)
...>
(
 return \(0\|<+...x...+>\|ptr\);
|
 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>

11 years agoStaging: comedi: addi-data: NULL dereference of amcc in v_pci_card_list_init()
Roel Kluin [Mon, 31 Aug 2009 08:54:37 +0000]
Staging: comedi: addi-data: NULL dereference of amcc in v_pci_card_list_init()

amcc allocation may fail, prevent a NULL dereference.

allocation may fail, prevent a dereference.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: vt665x: fix built-in compiling
Alexander Beregalov [Thu, 3 Sep 2009 16:38:14 +0000]
Staging: vt665x: fix built-in compiling

Fix this build error:
undefined reference to "__this_module"

Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: rt3090: enable NATIVE_WPA_SUPPLICANT_SUPPORT option
Bartlomiej Zolnierkiewicz [Tue, 8 Sep 2009 20:35:41 +0000]
Staging: rt3090: enable NATIVE_WPA_SUPPLICANT_SUPPORT option

Similarly as it has been done in other in-kernel Ralink drivers
and in openSUSE's rt3090sta package.

Cc: Axel Koellhofer <rain_maker@root-forum.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: rt3090: port changes in WPA_MIX_PAIR_CIPHER to rt3090
Axel K [Thu, 3 Sep 2009 20:04:59 +0000]
Staging: rt3090: port changes in WPA_MIX_PAIR_CIPHER to rt3090

This patch ports a change recently applied to rt2860/rt2870 in order to
change handling of WPA1/WPA2 mixed mode to rt3090.

Signed-off-by: Axel Koellhofer <rain_maker@root-forum.org>
Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: rt3090: rename device from raX to wlanX
Axel K [Thu, 3 Sep 2009 19:53:37 +0000]
Staging: rt3090: rename device from raX to wlanX

This patch sets "wlan" as the default suffix for naming the device, a
change which has also been previously applied to rt2860/rt2870 in
staging.

Signed-off-by: Axel Koellhofer <rain_maker@root-forum.org>
Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: rt3090: remove possible conflict with rt2860
Axel K [Thu, 3 Sep 2009 19:24:19 +0000]
Staging: rt3090: remove possible conflict with rt2860

Both drivers (rt2860 and rt3090) register themselves as "rt2860" on
loading the module.

In the very rare case of somebody having two cards in his machine, one
using rt3090 and the other one using the rt2860 driver, loading both
modules would be impossible, the second one will not be loaded as the
kernel will tell you that the driver is already registered.

This was also present with rt2870/rt3070 (with both driver registering
as "rt2870"), but the code has been merged to one driver recently.

The follwoing patch fixes this potential problem until merging of
rt2860/rt3090 code to a single driver.

Signed-off-by: Axel Koellhofer <rain_maker@root-forum.org>
Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: rt2860/rt2870/rt3070/rt3090: fix compiler warning on x86_64
Axel K [Thu, 3 Sep 2009 19:13:56 +0000]
Staging: rt2860/rt2870/rt3070/rt3090: fix compiler warning on x86_64

When compiling rt2860/rt2870/rt3070 or rt3090 on x86_64, the following warning
is displayed:

drivers/staging/rt3090/rt_linux.c: In function 'duplicate_pkt':
drivers/staging/rt3090/rt_linux.c:531: warning: passing argument 1 of 'memmove' makes pointer from integer without a cast
include2/asm/string_64.h:58: note: expected 'void *' but argument is of type 'sk_buff_data_t'
drivers/staging/rt3090/rt_linux.c:533: warning: passing argument 1 of 'memmove' makes pointer from integer without a cast
include2/asm/string_64.h:58: note: expected 'void *' but argument is of type 'sk_buff_data_t'

The following patch fixes this warning.

Credits go to Helmut Schaa <hschaa@suse.de> for his kind advice/help on this
patch.

Signed-off-by: Axel Koellhofer <rain_maker@root-forum.org>
Cc: Helmut Schaa <hschaa@suse.de>
Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: rt2860: add new device ids
Axel K [Thu, 3 Sep 2009 18:53:36 +0000]
Staging: rt2860: add new device ids

This patch adds new device IDs to ralink rt2860 driver in linux staging. The
device IDs were retrieved from the latest vendor release (version 2.1.2.0).

Signed-off-by: Axel Koellhofer <rain_maker@root-forum.org>
Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: rt3090: add device id 1462:891a
Axel K [Thu, 3 Sep 2009 18:47:11 +0000]
Staging: rt3090: add device id 1462:891a

This patch adds a new device ID (1462:819a) to ralink rt3090 driver in linux
staging. The device ID was retrieved from the latest vendor release (version
2.2.0.0).

Signed-off-by: Axel Koellhofer <rain_maker@root-forum.org>
Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: asus_oled: Cleaned up checkpatch issues.
Kevin A. Granade [Sat, 5 Sep 2009 06:03:39 +0000]
Staging: asus_oled: Cleaned up checkpatch issues.

Signed-off-by: Kevin A. Granade <kevin.granade@gmail.com>
Cc: Belisko Marek <marek.belisko@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: rt2860: fix possible NULL dereferences
Roel Kluin [Mon, 31 Aug 2009 10:26:43 +0000]
Staging: rt2860: fix possible NULL dereferences

Allocations may fail, prevent NULL dereferences.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: rtl8192e: Drop unnecessary NULL test
Julia Lawall [Mon, 31 Aug 2009 19:34:25 +0000]
Staging: rtl8192e: Drop unnecessary NULL test

The result of container_of should not be NULL.  In particular, in this case
the argument to the enclosing function has passed though INIT_WORK, which
dereferences it, implying that its container cannot be NULL.

A simplified version of the semantic patch that makes this change is as
follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@@
identifier fn,work,x,fld;
type T;
expression E1,E2;
statement S;
@@

static fn(struct work_struct *work) {
  ... when != work = E1
  x = container_of(work,T,fld)
  ... when != x = E2
- if (x == NULL) S
  ...
}
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: vt665x: rename the module binary
Greg Kroah-Hartman [Fri, 11 Sep 2009 21:20:21 +0000]
Staging: vt665x: rename the module binary

So it doesn't conflict with a mainline kernel driver
currently under development.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: cowloop: remove kernel version checks
Greg Kroah-Hartman [Tue, 25 Aug 2009 23:26:56 +0000]
Staging: cowloop: remove kernel version checks

Now that the code is in the kernel tree, remove the unneeded version
checks.

Cc: "H.J. Thomassen" <hjt@ATComputing.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: add cowloop to the build
Greg Kroah-Hartman [Tue, 25 Aug 2009 23:00:48 +0000]
Staging: add cowloop to the build

Now that the code can build, let's add it to the build system.

Cc: "H.J. Thomassen" <hjt@ATComputing.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: cowloop: add TODO file
Greg Kroah-Hartman [Tue, 25 Aug 2009 23:04:46 +0000]
Staging: cowloop: add TODO file

Add a TODO file with a few things that needs to be fixed up.

Cc: "H.J. Thomassen" <hjt@ATComputing.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: get cowloop to build properly
Greg Kroah-Hartman [Tue, 25 Aug 2009 23:01:33 +0000]
Staging: get cowloop to build properly

There has been some block api changes since the last
release of the cowloop code.  This patch updates the code to
properly build.

Cc: "H.J. Thomassen" <hjt@ATComputing.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: add cowloop driver
H.J. Thomassen [Tue, 25 Aug 2009 22:39:04 +0000]
Staging: add cowloop driver

Cowloop is a "copy-on-write" pseudo block driver. It can
be stacked on top of a "real" block driver, and catches
all write operations on their way from the file systems
layer above to the real driver below, effectively shielding
the lower driver from those write accesses. The requests are
then diverted to an ordinary file, located somewhere else
(configurable). Later read requests are checked to see whether
they can be serviced by the "real" block driver below, or
must be pulled in from the diverted location. More information
is on the project's website http://www.ATComputing.nl/cowloop/

From: "H.J. Thomassen" <hjt@ATComputing.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: rtl8192e: fix timeouts on firmware download
Greg Kroah-Hartman [Mon, 24 Aug 2009 21:40:50 +0000]
Staging: rtl8192e: fix timeouts on firmware download

We need to actually wait a specific ammount of time, not just hope that
a set number of loops will be long enough.

Based on a conversation with Ralink, and a proposed patch for their
older kernel driver.

Cc: david woo <xinhua_wu@realsil.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: rtl8192e: fix for stack bug
Greg Kroah-Hartman [Thu, 20 Aug 2009 13:14:22 +0000]
Staging: rtl8192e: fix for stack bug

This should be a fix for the lockup bug when attaching to an access
point.

Patch came from a diff from RealTek.  Hopefully it resolves the issue.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: rtl8192e: remove annoying printk()
Greg Kroah-Hartman [Fri, 14 Aug 2009 23:11:28 +0000]
Staging: rtl8192e: remove annoying printk()

This message doesn't need to be constantly sent to the syslog,
it's nothing but annoying gibberish.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

11 years agoStaging: rtl8192e: remove unneeded ieee80211 files
Greg Kroah-Hartman [Wed, 12 Aug 2009 23:50:57 +0000]
Staging: rtl8192e: remove unneeded ieee80211 files

These files are not even built or used, so just remove them.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>