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15 years agoARM: OMAP3: Add ADS7846 touchscreen support to Overo platform, v3
Steve Sakoman [Tue, 24 Mar 2009 01:38:16 +0000 (18:38 -0700)]
ARM: OMAP3: Add ADS7846 touchscreen support to Overo platform, v3

An upcoming Overo expansion board includes an ADS7846 touchscreen controller.

This patch adds support via the ads7846 driver when enabled in the
kernel config.

Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP3: MUSB initialization for omap hw, v2
Felipe Balbi [Tue, 24 Mar 2009 01:34:06 +0000 (18:34 -0700)]
ARM: OMAP3: MUSB initialization for omap hw, v2

Create a generic board-file for initializing usb
on omap2430 and omap3 boards.

Patch modified by Tony to build the module based on
CONFIG_USB_MUSB_SOC. Also merged in a patch adding
the nop xceiv from Ajay Kumar Gupta <ajay.gupta@ti.com>.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP3: Add base address definitions and resources for OMAP 3 IS, v2
Tony Lindgren [Tue, 24 Mar 2009 01:23:49 +0000 (18:23 -0700)]
ARM: OMAP3: Add base address definitions and resources for OMAP 3 IS, v2

This replaces earlier patch from Sergio Aguirre titled "[REVIEW PATCH 03/14]
OMAP34XX: CAM: Resources fixes".

Signed-off-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP3: mmc-twl4030 allow arbitrary slot names, v3
Adrian Hunter [Tue, 24 Mar 2009 01:23:48 +0000 (18:23 -0700)]
ARM: OMAP3: mmc-twl4030 allow arbitrary slot names, v3

Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP3: mmc-twl4030 add cover switch
Adrian Hunter [Tue, 24 Mar 2009 01:23:48 +0000 (18:23 -0700)]
ARM: OMAP3: mmc-twl4030 add cover switch

Allow a cover switch to be used to cause a rescan of the
MMC slot.

Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP3: mmc-twl4030 fix for vmmc = 0
David Brownell [Tue, 24 Mar 2009 01:23:48 +0000 (18:23 -0700)]
ARM: OMAP3: mmc-twl4030 fix for vmmc = 0

Resolve longstanding issue noted by Adrian Hunter:  confusion
between settting VSEL=0 (which is 1.8V on MMC1) and poweroff.

Also, leave VSEL alone if we're just powering the regulator off.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP3: mmc-twl4030 add MMC3 support, v2
Grazvydas Ignotas [Tue, 24 Mar 2009 01:23:47 +0000 (18:23 -0700)]
ARM: OMAP3: mmc-twl4030 add MMC3 support, v2

Device connected to MMC3 is assumed to be self-powered, so
set_power() function is empty. It can't be omited because
host driver requires it.

Array size for hsmmc[] is specified to allocate to allocate
an instance for the third MMC controller.

Also fix a leak which happens if invalid controller id
is passed.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP3: mmc-twl4030 init passes device nodes back, v2
David Brownell [Tue, 24 Mar 2009 01:23:47 +0000 (18:23 -0700)]
ARM: OMAP3: mmc-twl4030 init passes device nodes back, v2

When setting up HSMMC devices, pass the device nodes back so
board code can linking them to their power supply regulators.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP3: mmc-twl4030 voltage cleanup
David Brownell [Tue, 24 Mar 2009 01:23:47 +0000 (18:23 -0700)]
ARM: OMAP3: mmc-twl4030 voltage cleanup

Correct twl4030 MMC power switching:  fix voltage ranges reported
for each slot, and handle them fully.

 Lies corrected:
  - MMC-1 doesn't support the 2.6-2.7 Volt range
  - MMC-2 can't normally support anything except 1.8V
 Omissions corrected
  - MMC-1 *does* handle the 2.8-2.9 Volt range
  - MMC-2 can handle 2.5-3.2 Volt cards, given a transceiver

Add transciever support for MMC-2; enable it for Overo and Pandora.
(Depends on something else to have set up pinmuxing for control
signals instead of as MMC2_DAT4..7 pins.)

Also shrink twl4030_hsmmc_info a smidgeon ... padding is all gone.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP3: mmc-twl4030 fix name buffer length, v2
Adrian Hunter [Tue, 24 Mar 2009 01:23:46 +0000 (18:23 -0700)]
ARM: OMAP3: mmc-twl4030 fix name buffer length, v2

Add 1 to buffer length for null terminator and use snprintf.

Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP3: Add more GPIO mux options
Tony Lindgren [Tue, 24 Mar 2009 01:23:46 +0000 (18:23 -0700)]
ARM: OMAP3: Add more GPIO mux options

This patch adds several new GPIO pins and updates
the pin naming comments.

The patch is based on earlier patches on linux-omap
list by Manikandan Pillai <mani.pillai@ti.com>,
Vaibhav Hiremath <hvaibhav@ti.com> and
David Brownell <dbrownell@users.sourceforge.net>.

Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP3: Remove unused CONFIG_I2C2_OMAP_BEAGLE
Jarkko Nikula [Tue, 24 Mar 2009 01:23:46 +0000 (18:23 -0700)]
ARM: OMAP3: Remove unused CONFIG_I2C2_OMAP_BEAGLE

There is no CONFIG_I2C2_OMAP_BEAGLE in mainline and it is under
removal in linux-omap also so remove this dead code now.

Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP: get rid of OMAP_TAG_USB, v2
Felipe Balbi [Tue, 24 Mar 2009 01:07:49 +0000 (18:07 -0700)]
ARM: OMAP: get rid of OMAP_TAG_USB, v2

OMAP_TAGS should vanish soon since they're not generic arm tags.
Most of them can be converted to a platform_data or parsed
from a command line like e.g. serial tag.

For OMAP_TAG_USB we just let boards call omap_usb_init()
passing a pointer to omap_usb_config.

Patch updated by Tony for mainline, basically make
n770 and h4 compile. Also folded in a fix for OSK
by David Brownell <dbrownell@users.sourceforge.net>.

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP: Dispatch only relevant DMA interrupts
Santosh Shilimkar [Tue, 24 Mar 2009 01:07:49 +0000 (18:07 -0700)]
ARM: OMAP: Dispatch only relevant DMA interrupts

This fixes the spurious interrupt issue on a DMA channel.

In OMAP sDMA, contrast to the SDMA.DMA4_CSRi registers, the
SDMA.DMA4_IRQSTATUS_Lj registers are updated regardless of
the corresponding bits in the SDMA.DMA4_IRQENABLE_Lj registers.
Since there are four sDMA interrupt lines and if more than one
line is actively used by two concurrently running sDMA softwares
modules,then the spurious interrupt can be observed on the other
lines.

Fix in this patch will only dispatch the relevant and enabled
interrupts on a particular line thus perevting spurious IRQ.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Nishant Kamat <nskamat@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP: Get available DMA channels from cmdline
Santosh Shilimkar [Tue, 24 Mar 2009 01:07:48 +0000 (18:07 -0700)]
ARM: OMAP: Get available DMA channels from cmdline

This patch set up a cmdline option for omap dma for masking the
available channels. It is needed since the OMAP DMA is a system wide
resource and can be used by another software apart from the kernel.

To reserve the omap SDMA channels for kernel dma usage, use cmdline
bootarg "omap_dma_reserve_ch=". The valid range is 1 to 32.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Nishant Kamat <nskamat@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP: Add method to register additional I2C busses on the command line, v2
Jarkko Nikula [Tue, 24 Mar 2009 01:07:48 +0000 (18:07 -0700)]
ARM: OMAP: Add method to register additional I2C busses on the command line, v2

This patch extends command line option "i2c_bus=bus_id,clkrate" so that
it allow to register additional I2C busses that are not registered with
omap_register_i2c_bus from board initialization code.

Purpose of this is to register additional board busses which are routed
to external connectors only without any on board I2C devices.

Cc: linux-i2c@vger.kernel.org
Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP: Add command line option for I2C bus speed, v2
Jarkko Nikula [Tue, 24 Mar 2009 01:07:47 +0000 (18:07 -0700)]
ARM: OMAP: Add command line option for I2C bus speed, v2

This patch adds a new command line option "i2c_bus=bus_id,clkrate" into
I2C bus registration helper. Purpose of the option is to override the
default board specific bus speed which is supplied by the
omap_register_i2c_bus.

The default bus speed is typically set to speed of slowest I2C chip on the
bus and overriding allow to use some experimental configurations or updated
chip versions without any kernel modifications.

Cc: linux-i2c@vger.kernel.org
Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP: Add documentation for function omap_register_i2c_bus
Jarkko Nikula [Tue, 24 Mar 2009 01:07:46 +0000 (18:07 -0700)]
ARM: OMAP: Add documentation for function omap_register_i2c_bus

Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP: Export dmtimer functions
Timo Kokkonen [Tue, 24 Mar 2009 01:07:46 +0000 (18:07 -0700)]
ARM: OMAP: Export dmtimer functions

Make the dmtimer function symbols available so modules can take use of
them.

Signed-off-by: Timo Kokkonen <timo.t.kokkonen@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years ago[OMAP850] Build system changes
Zebediah C. McClure [Tue, 24 Mar 2009 01:07:46 +0000 (18:07 -0700)]
[OMAP850] Build system changes

Build system changes.

Signed-off-by: Zebediah C. McClure <zmc@lurian.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years ago[OMAP850] IRQ related changes
Zebediah C. McClure [Tue, 24 Mar 2009 01:07:45 +0000 (18:07 -0700)]
[OMAP850] IRQ related changes

IRQ related changes.

Signed-off-by: Zebediah C. McClure <zmc@lurian.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years ago[OMAP850] Changes to memory subsystem
Zebediah C. McClure [Tue, 24 Mar 2009 01:07:44 +0000 (18:07 -0700)]
[OMAP850] Changes to memory subsystem

Changes to memory subsystem.

Signed-off-by: Zebediah C. McClure <zmc@lurian.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years ago[OMAP850] Changes to base IO subsystem, v2
Zebediah C. McClure [Tue, 24 Mar 2009 01:07:40 +0000 (18:07 -0700)]
[OMAP850] Changes to base IO subsystem, v2

Changes to base IO subsystem.

Signed-off-by: Zebediah C. McClure <zmc@lurian.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years ago[OMAP850] Add base support for omap850 cpu
Zebediah C. McClure [Tue, 24 Mar 2009 01:07:39 +0000 (18:07 -0700)]
[OMAP850] Add base support for omap850 cpu

Add base support for omap850 cpu.

Signed-off-by: Zebediah C. McClure <zmc@lurian.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP: Remove remaining board-*.h includes from hardware.h
Tony Lindgren [Tue, 24 Mar 2009 01:07:39 +0000 (18:07 -0700)]
ARM: OMAP: Remove remaining board-*.h includes from hardware.h

Also remove board-omap3beagle.h that is not included anywhere,
and move protoype for voiceblue_reset() from board-voiceblue.h
to system.h.

After this patch there are still board-ams-delta.h, board-sx1.h
and board-voiceblue.h that export some functions. These could
be removed if the functions were moved under drivers.

Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP: No need to include board-nokia.h from hardware.h
Tony Lindgren [Tue, 24 Mar 2009 01:07:38 +0000 (18:07 -0700)]
ARM: OMAP: No need to include board-nokia.h from hardware.h

Move the defines to the associated board file and remove
the now unnecessary header file.

Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP: No need to include board-overo.h from hardware.h
Tony Lindgren [Tue, 24 Mar 2009 01:07:38 +0000 (18:07 -0700)]
ARM: OMAP: No need to include board-overo.h from hardware.h

Move the defines to the associated board file and remove
the now unnecessary header file.

Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP: No need to include board-ldp.h from hardware.h
Tony Lindgren [Tue, 24 Mar 2009 01:07:37 +0000 (18:07 -0700)]
ARM: OMAP: No need to include board-ldp.h from hardware.h

Move the defines to the associated board file and remove
the now unnecessary header file. Also rename
OMAP34XX_ETHR_START to LDP_ETHR_START.

Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP: No need to include board-h4.h from hardware.h
Tony Lindgren [Tue, 24 Mar 2009 01:07:36 +0000 (18:07 -0700)]
ARM: OMAP: No need to include board-h4.h from hardware.h

Move the defines to the associated board file and remove
the now unnecessary header file. Also rename
OMAP24XX_ETHR_GPIO_IRQ to H4_ETHR_GPIO_IRQ.

Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP: No need to include board-apollon.h from hardware.h
Tony Lindgren [Tue, 24 Mar 2009 01:07:35 +0000 (18:07 -0700)]
ARM: OMAP: No need to include board-apollon.h from hardware.h

Move the defines to the associated board file and remove
the now unnecessary header file.

Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP: No need to include board-omap2430sdp.h from hardware.h
Tony Lindgren [Tue, 24 Mar 2009 01:07:35 +0000 (18:07 -0700)]
ARM: OMAP: No need to include board-omap2430sdp.h from hardware.h

Move the defines to the associated board file and remove
the now unnecessary header file. Also rename
SDP2430_ETHR_GPIO_IRQ to SDP2430_ETHR_GPIO_IRQ.

Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP: No need to include board-palm*.h from hardware.h
Tony Lindgren [Tue, 24 Mar 2009 01:07:35 +0000 (18:07 -0700)]
ARM: OMAP: No need to include board-palm*.h from hardware.h

Move the defines to the associated board file and remove
the now unnecessary header files.

Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP: No need to include board-osk.h from hardware.h
Tony Lindgren [Tue, 24 Mar 2009 01:07:34 +0000 (18:07 -0700)]
ARM: OMAP: No need to include board-osk.h from hardware.h

Move the defines to the board file and remove the now unnecessary
header file.

Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP: No need to include board-innovator.h from hardware.h
Tony Lindgren [Tue, 24 Mar 2009 01:07:34 +0000 (18:07 -0700)]
ARM: OMAP: No need to include board-innovator.h from hardware.h

Move the defines to the board file and remove the now unnecessary
header file.

Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP: No need to include board-h3.h from hardware.h
Tony Lindgren [Tue, 24 Mar 2009 01:07:33 +0000 (18:07 -0700)]
ARM: OMAP: No need to include board-h3.h from hardware.h

Also move board-h3.h to mach-omap1.

Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP: No need to include board-h2.h from hardware.h
Tony Lindgren [Tue, 24 Mar 2009 01:07:33 +0000 (18:07 -0700)]
ARM: OMAP: No need to include board-h2.h from hardware.h

Also move board-h2.h to mach-omap1.

Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP: No need to include board-perseus2.h or board-fsample.h from hardware.h
Tony Lindgren [Tue, 24 Mar 2009 01:07:32 +0000 (18:07 -0700)]
ARM: OMAP: No need to include board-perseus2.h or board-fsample.h from hardware.h

Move defines to the board file and remove the now
unnecessary headers.

Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoomap mailbox: remove unnecessary header file inclusion
Hiroshi DOYU [Tue, 24 Mar 2009 01:07:32 +0000 (18:07 -0700)]
omap mailbox: remove unnecessary header file inclusion

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
15 years agoomap mailbox: convert sequence bit checking to module paramter
Hiroshi DOYU [Tue, 24 Mar 2009 01:07:31 +0000 (18:07 -0700)]
omap mailbox: convert sequence bit checking to module paramter

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
15 years agoomap mailbox: move mailbox.h into mailbox.c
Hiroshi DOYU [Tue, 24 Mar 2009 01:07:26 +0000 (18:07 -0700)]
omap mailbox: move mailbox.h into mailbox.c

no need to keep mailbox.h separately.

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
15 years agoomap mailbox: add save_/restore_ctx() for PM
Hiroshi DOYU [Tue, 24 Mar 2009 01:07:26 +0000 (18:07 -0700)]
omap mailbox: add save_/restore_ctx() for PM

To preserve the registers during off-mode

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
15 years agoomap mailbox: fix empty struct device for omap2
Hiroshi DOYU [Tue, 24 Mar 2009 01:07:25 +0000 (18:07 -0700)]
omap mailbox: fix empty struct device for omap2

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
15 years agoomap mailbox: fix empty struct device for omap1
Hiroshi DOYU [Tue, 24 Mar 2009 01:07:25 +0000 (18:07 -0700)]
omap mailbox: fix empty struct device for omap1

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
15 years agoomap mailbox: fix empty struct device for omap_mbox
Hiroshi DOYU [Tue, 24 Mar 2009 01:07:24 +0000 (18:07 -0700)]
omap mailbox: fix empty struct device for omap_mbox

Since "mbox->dev" doesn't exist and isn't created either at
registration, this patch will create "struct device", which belongs to
"omap-mailbox" class and set this pointer for the member of
"struct omap_mbox".

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
15 years agoomap mailbox: print hardware revision at startup
Hiroshi DOYU [Tue, 24 Mar 2009 01:07:24 +0000 (18:07 -0700)]
omap mailbox: print hardware revision at startup

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
15 years agoomap mailbox: add initial omap3 support
Hiroshi DOYU [Tue, 24 Mar 2009 01:07:23 +0000 (18:07 -0700)]
omap mailbox: add initial omap3 support

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
15 years agoomap mailbox: cleanup omap2 register definition with macro
Hiroshi DOYU [Tue, 24 Mar 2009 01:07:23 +0000 (18:07 -0700)]
omap mailbox: cleanup omap2 register definition with macro

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
15 years agoLinux 2.6.29
Linus Torvalds [Mon, 23 Mar 2009 23:12:14 +0000 (16:12 -0700)]
Linux 2.6.29

15 years agoBuild with -fno-dwarf2-cfi-asm
Kyle McMartin [Mon, 23 Mar 2009 19:25:49 +0000 (15:25 -0400)]
Build with -fno-dwarf2-cfi-asm

With a sufficiently new compiler and binutils, code which wasn't
previously generating .eh_frame sections has begun to.  Certain
architectures (powerpc, in this case) may generate unexpected relocation
formats in response to this, preventing modules from loading.

While the new relocation types should probably be handled, revert to the
previous behaviour with regards to generation of .eh_frame sections.

(This was reported against Fedora, which appears to be the only distro
doing any building against gcc-4.4 at present: RH bz#486545.)

Signed-off-by: Kyle McMartin <kyle@redhat.com>
Acked-by: Roland McGrath <roland@redhat.com>
Cc: Alexandre Oliva <aoliva@redhat.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agotrivial: fix orphan dates in ext2 documentation
Jody McIntyre [Mon, 23 Mar 2009 17:13:34 +0000 (13:13 -0400)]
trivial: fix orphan dates in ext2 documentation

Revert the change to the orphan dates of Windows 95, DOS, compression.
Add a new orphan date for OS/2.

Signed-off-by: Jody McIntyre <scjody@sun.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Linus Torvalds [Mon, 23 Mar 2009 16:25:58 +0000 (09:25 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (32 commits)
  ucc_geth: Fix oops when using fixed-link support
  dm9000: locking bugfix
  net: update dnet.c for bus_id removal
  dnet: DNET should depend on HAS_IOMEM
  dca: add missing copyright/license headers
  nl80211: Check that function pointer != NULL before using it
  sungem: missing net_device_ops
  be2net: fix to restore vlan ids into BE2 during a IF DOWN->UP cycle
  be2net: replenish when posting to rx-queue is starved in out of mem conditions
  bas_gigaset: correctly allocate USB interrupt transfer buffer
  smsc911x: reset last known duplex and carrier on open
  sh_eth: Fix mistake of the address of SH7763
  sh_eth: Change handling of IRQ
  netns: oops in ip[6]_frag_reasm incrementing stats
  net: kfree(napi->skb) => kfree_skb
  net: fix sctp breakage
  ipv6: fix display of local and remote sit endpoints
  net: Document /proc/sys/net/core/netdev_budget
  tulip: fix crash on iface up with shirq debug
  virtio_net: Make virtio_net support carrier detection
  ...

15 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
Linus Torvalds [Mon, 23 Mar 2009 16:25:24 +0000 (09:25 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc64: Fix crash with /proc/iomem
  sparc64: Reschedule KGDB capture to a software interrupt.
  sbus: Auto-load openprom module when device opened.

15 years agofix ptrace slowness
Miklos Szeredi [Mon, 23 Mar 2009 15:07:24 +0000 (16:07 +0100)]
fix ptrace slowness

This patch fixes bug #12208:

  Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=12208
  Subject         : uml is very slow on 2.6.28 host

This turned out to be not a scheduler regression, but an already
existing problem in ptrace being triggered by subtle scheduler
changes.

The problem is this:

 - task A is ptracing task B
 - task B stops on a trace event
 - task A is woken up and preempts task B
 - task A calls ptrace on task B, which does ptrace_check_attach()
 - this calls wait_task_inactive(), which sees that task B is still on the runq
 - task A goes to sleep for a jiffy
 - ...

Since UML does lots of the above sequences, those jiffies quickly add
up to make it slow as hell.

This patch solves this by not rescheduling in read_unlock() after
ptrace_stop() has woken up the tracer.

Thanks to Oleg Nesterov and Ingo Molnar for the feedback.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
CC: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoMerge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/powerpc
Linus Torvalds [Mon, 23 Mar 2009 15:03:09 +0000 (08:03 -0700)]
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/powerpc:
  powerpc/mm: Fix Respect _PAGE_COHERENT on classic ppc32 SW TLB load machines

15 years agopowerpc/mm: Fix Respect _PAGE_COHERENT on classic ppc32 SW TLB load machines
Kumar Gala [Sat, 14 Mar 2009 14:23:03 +0000 (09:23 -0500)]
powerpc/mm: Fix Respect _PAGE_COHERENT on classic ppc32 SW TLB load machines

Grant picked up the wrong version of "Respect _PAGE_COHERENT on classic
ppc32 SW" (commit a4bd6a93c3f14691c8a29e53eb04dc734b27f0db)

It was missing the code to actually deal with the fixup of
_PAGE_COHERENT based on the CPU feature.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agoucc_geth: Fix oops when using fixed-link support
Anton Vorontsov [Mon, 23 Mar 2009 04:30:52 +0000 (21:30 -0700)]
ucc_geth: Fix oops when using fixed-link support

commit b1c4a9dddf09fe99b8f88252718ac5b357363dc4 ("ucc_geth: Change
uec phy id to the same format as gianfar's") introduced a regression
in the ucc_geth driver that causes this oops when fixed-link is used:

Unable to handle kernel paging request for data at address 0x00000000
Faulting instruction address: 0xc0151270
Oops: Kernel access of bad area, sig: 11 [#1]
TMCUTU
NIP: c0151270 LR: c0151270 CTR: c0017760
REGS: cf81fa60 TRAP: 0300   Not tainted  (2.6.29-rc8)
MSR: 00009032 <EE,ME,IR,DR>  CR: 24024042  XER: 20000000
DAR: 00000000, DSISR: 20000000
TASK = cf81cba0[1] 'swapper' THREAD: cf81e000
GPR00: c0151270 cf81fb10 cf81cba0 00000000 c0272e20 c025f354 00001e80
cf86b08c
GPR08: d1068200 cffffb74 06000000 d106c200 42024042 10085148 0fffd000
0ffc81a0
GPR16: 00000001 00000001 00000000 007ffeb0 00000000 0000c000 cf83f36c
cf83f000
GPR24: 00000030 cf83f360 cf81fb20 00000000 d106c200 20000000 00001e80
cf83f360
NIP [c0151270] ucc_geth_open+0x330/0x1efc
LR [c0151270] ucc_geth_open+0x330/0x1efc
Call Trace:
[cf81fb10] [c0151270] ucc_geth_open+0x330/0x1efc (unreliable)
[cf81fba0] [c0187638] dev_open+0xbc/0x12c
[cf81fbc0] [c0187e38] dev_change_flags+0x8c/0x1b0

This patch fixes the issue by removing offending (and somewhat
duplicate) code from init_phy() routine, and changes _probe()
function to use uec_mdio_bus_name().

Also, since we fully construct phy_bus_id in the _probe() routine,
we no longer need ->phy_address and ->mdio_bus fields in
ucc_geth_info structure.

I wish the patch would be a bit shorter, but it seems like the only
way to fix the issue in a sane way. Luckily, the patch has been
tested with real PHYs and fixed-link, so no further regressions
expected.

Reported-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Tested-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agodm9000: locking bugfix
David Brownell [Mon, 23 Mar 2009 04:28:39 +0000 (21:28 -0700)]
dm9000: locking bugfix

This fixes a locking bug in the dm9000 driver.  It calls
request_irq() without setting IRQF_DISABLED ... which is
correct for handlers that support IRQ sharing, since that
behavior is not guaranteed for shared IRQs.  However, its
IRQ handler then wrongly assumes that IRQs are blocked.
So the fix just uses the right spinlock primitives in the
IRQ handler.

NOTE:  this is a classic example of the type of bug which
lockdep currently masks by forcibly setting IRQF_DISABLED
on IRQ handlers that did not request that flag.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet: update dnet.c for bus_id removal
Stephen Rothwell [Mon, 23 Mar 2009 04:22:48 +0000 (21:22 -0700)]
net: update dnet.c for bus_id removal

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes
Linus Torvalds [Sun, 22 Mar 2009 18:41:02 +0000 (11:41 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes

* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes:
  kconfig: improve seed in randconfig
  kconfig: fix randconfig for choice blocks

15 years agoMerge branch 'fix-includes' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg...
Linus Torvalds [Sun, 22 Mar 2009 18:38:57 +0000 (11:38 -0700)]
Merge branch 'fix-includes' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu

* 'fix-includes' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68k: merge the non-MMU and MMU versions of siginfo.h
  m68k: use the MMU version of unistd.h for all m68k platforms
  m68k: merge the non-MMU and MMU versions of signal.h
  m68k: merge the non-MMU and MMU versions of ptrace.h
  m68k: use MMU version of setup.h for both MMU and non-MMU
  m68k: merge the non-MMU and MMU versions of sigcontext.h
  m68k: merge the non-MMU and MMU versions of swab.h
  m68k: merge the non-MMU and MMU versions of param.h

15 years agoUpdate my email address
Gertjan van Wingerde [Sat, 21 Mar 2009 22:18:57 +0000 (23:18 +0100)]
Update my email address

Update all previous incarnations of my email address to the correct one.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoeCryptfs: NULL crypt_stat dereference during lookup
Tyler Hicks [Fri, 20 Mar 2009 07:23:57 +0000 (02:23 -0500)]
eCryptfs: NULL crypt_stat dereference during lookup

If ecryptfs_encrypted_view or ecryptfs_xattr_metadata were being
specified as mount options, a NULL pointer dereference of crypt_stat
was possible during lookup.

This patch moves the crypt_stat assignment into
ecryptfs_lookup_and_interpose_lower(), ensuring that crypt_stat
will not be NULL before we attempt to dereference it.

Thanks to Dan Carpenter and his static analysis tool, smatch, for
finding this bug.

Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
Acked-by: Dustin Kirkland <kirkland@canonical.com>
Cc: Dan Carpenter <error27@gmail.com>
Cc: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoeCryptfs: Allocate a variable number of pages for file headers
Tyler Hicks [Fri, 20 Mar 2009 06:25:09 +0000 (01:25 -0500)]
eCryptfs: Allocate a variable number of pages for file headers

When allocating the memory used to store the eCryptfs header contents, a
single, zeroed page was being allocated with get_zeroed_page().
However, the size of an eCryptfs header is either PAGE_CACHE_SIZE or
ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE (8192), whichever is larger, and is
stored in the file's private_data->crypt_stat->num_header_bytes_at_front
field.

ecryptfs_write_metadata_to_contents() was using
num_header_bytes_at_front to decide how many bytes should be written to
the lower filesystem for the file header.  Unfortunately, at least 8K
was being written from the page, despite the chance of the single,
zeroed page being smaller than 8K.  This resulted in random areas of
kernel memory being written between the 0x1000 and 0x1FFF bytes offsets
in the eCryptfs file headers if PAGE_SIZE was 4K.

This patch allocates a variable number of pages, calculated with
num_header_bytes_at_front, and passes the number of allocated pages
along to ecryptfs_write_metadata_to_contents().

Thanks to Florian Streibelt for reporting the data leak and working with
me to find the problem.  2.6.28 is the only kernel release with this
vulnerability.  Corresponds to CVE-2009-0787

Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
Acked-by: Dustin Kirkland <kirkland@canonical.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Eugene Teo <eugeneteo@kernel.sg>
Cc: Greg KH <greg@kroah.com>
Cc: dann frazier <dannf@dannf.org>
Cc: Serge E. Hallyn <serue@us.ibm.com>
Cc: Florian Streibelt <florian@f-streibelt.de>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoradeonfb: Whack the PCI PM register until it sticks
Benjamin Herrenschmidt [Thu, 19 Mar 2009 22:22:30 +0000 (09:22 +1100)]
radeonfb: Whack the PCI PM register until it sticks

This fixes a regression introduced when we switched to using the core
pci_set_power_state().  The chip seems to need the state to be written
over and over again until it sticks, so we do that.

Note that the code is a bit blunt, without timeout, etc...  but that's
pretty much because I put back in there the code exactly as it used to
be before the regression.  I still add a call to pci_set_power_state()
at the end so that ACPI gets called appropriately on x86.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Tested-by: Raymond Wooninck <tittiatcoke@gmail.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agodnet: DNET should depend on HAS_IOMEM
Ilya Yanok [Sat, 21 Mar 2009 23:58:47 +0000 (16:58 -0700)]
dnet: DNET should depend on HAS_IOMEM

Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agodca: add missing copyright/license headers
Maciej Sosnowski [Sat, 21 Mar 2009 20:31:23 +0000 (13:31 -0700)]
dca: add missing copyright/license headers

In two dca files copyright and license headers are missing.
This patch adds them there.

Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
David S. Miller [Fri, 20 Mar 2009 21:53:36 +0000 (14:53 -0700)]
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6

15 years agonl80211: Check that function pointer != NULL before using it
Jouni Malinen [Fri, 20 Mar 2009 15:57:36 +0000 (17:57 +0200)]
nl80211: Check that function pointer != NULL before using it

NL80211_CMD_GET_MESH_PARAMS and NL80211_CMD_SET_MESH_PARAMS handlers
did not verify whether a function pointer is NULL (not supported by
the driver) before trying to call the function. The former nl80211
command is available for unprivileged users, too, so this can
potentially allow normal users to kill networking (or worse..) if
mac80211 is built without CONFIG_MAC80211_MESH=y.

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agosungem: missing net_device_ops
Stephen Hemminger [Fri, 20 Mar 2009 06:58:01 +0000 (23:58 -0700)]
sungem: missing net_device_ops

Sungem driver only got partially converted to net_device_ops.
Since this could cause bugs, please push this to 2.6.29

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agobe2net: fix to restore vlan ids into BE2 during a IF DOWN->UP cycle
Sathya Perla [Fri, 20 Mar 2009 06:56:46 +0000 (23:56 -0700)]
be2net: fix to restore vlan ids into BE2 during a IF DOWN->UP cycle

This is a patch to reconfigure vlan-ids during an i/f down/up cycle

Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agobe2net: replenish when posting to rx-queue is starved in out of mem conditions
Sathya Perla [Fri, 20 Mar 2009 06:56:20 +0000 (23:56 -0700)]
be2net: replenish when posting to rx-queue is starved in out of mem conditions

This is a patch to replenish the rx-queue when it is in a starved
state (due to out-of-mem conditions)

Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoaio: lookup_ioctx can return the wrong value when looking up a bogus context
Jeff Moyer [Thu, 19 Mar 2009 00:04:21 +0000 (17:04 -0700)]
aio: lookup_ioctx can return the wrong value when looking up a bogus context

The libaio test harness turned up a problem whereby lookup_ioctx on a
bogus io context was returning the 1 valid io context from the list
(harness/cases/3.p).

Because of that, an extra put_iocontext was done, and when the process
exited, it hit a BUG_ON in the put_iocontext macro called from exit_aio
(since we expect a users count of 1 and instead get 0).

The problem was introduced by "aio: make the lookup_ioctx() lockless"
(commit abf137dd7712132ee56d5b3143c2ff61a72a5faa).

Thanks to Zach for pointing out that hlist_for_each_entry_rcu will not
return with a NULL tpos at the end of the loop, even if the entry was
not found.

Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Acked-by: Zach Brown <zach.brown@oracle.com>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Cc: Benjamin LaHaise <bcrl@kvack.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoeventfd: remove fput() call from possible IRQ context
Davide Libenzi [Thu, 19 Mar 2009 00:04:19 +0000 (17:04 -0700)]
eventfd: remove fput() call from possible IRQ context

Remove a source of fput() call from inside IRQ context.  Myself, like Eric,
wasn't able to reproduce an fput() call from IRQ context, but Jeff said he was
able to, with the attached test program.  Independently from this, the bug is
conceptually there, so we might be better off fixing it.  This patch adds an
optimization similar to the one we already do on ->ki_filp, on ->ki_eventfd.
Playing with ->f_count directly is not pretty in general, but the alternative
here would be to add a brand new delayed fput() infrastructure, that I'm not
sure is worth it.

Signed-off-by: Davide Libenzi <davidel@xmailserver.org>
Cc: Benjamin LaHaise <bcrl@kvack.org>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Cc: Zach Brown <zach.brown@oracle.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoMove cc-option to below arch-specific setup
Linus Torvalds [Thu, 19 Mar 2009 22:53:19 +0000 (15:53 -0700)]
Move cc-option to below arch-specific setup

Sam Ravnborg says:
 "We have several architectures that plays strange games with $(CC) and
  $(CROSS_COMPILE).

  So we need to postpone any use of $(call cc-option..) until we have
  included the arch specific Makefile so we try with the correct $(CC)
  version."

Requested-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoMerge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
Linus Torvalds [Thu, 19 Mar 2009 21:56:35 +0000 (14:56 -0700)]
Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6

* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
  [S390] make page table upgrade work again
  [S390] make page table walking more robust
  [S390] Dont check for pfn_valid() in uaccess_pt.c
  [S390] ftrace/mcount: fix kernel stack backchain
  [S390] topology: define SD_MC_INIT to fix performance regression
  [S390] __div64_31 broken for CONFIG_MARCH_G5

15 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Linus Torvalds [Thu, 19 Mar 2009 21:50:15 +0000 (14:50 -0700)]
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
  HID: fix waitqueue usage in hiddev
  HID: fix incorrect free in hiddev

15 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
Linus Torvalds [Thu, 19 Mar 2009 21:49:55 +0000 (14:49 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable

* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
  Btrfs: Clear space_info full when adding new devices
  Btrfs: Fix locking around adding new space_info

15 years agoFix race in create_empty_buffers() vs __set_page_dirty_buffers()
Linus Torvalds [Thu, 19 Mar 2009 18:32:05 +0000 (11:32 -0700)]
Fix race in create_empty_buffers() vs __set_page_dirty_buffers()

Nick Piggin noticed this (very unlikely) race between setting a page
dirty and creating the buffers for it - we need to hold the mapping
private_lock until we've set the page dirty bit in order to make sure
that create_empty_buffers() might not build up a set of buffers without
the dirty bits set when the page is dirty.

I doubt anybody has ever hit this race (and it didn't solve the issue
Nick was looking at), but as Nick says: "Still, it does appear to solve
a real race, which we should close."

Acked-by: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoAdd '-fwrapv' to gcc CFLAGS
Linus Torvalds [Thu, 19 Mar 2009 18:10:17 +0000 (11:10 -0700)]
Add '-fwrapv' to gcc CFLAGS

This makes sure that gcc doesn't try to optimize away wrapping
arithmetic, which the kernel occasionally uses for overflow testing, ie
things like

if (ptr + offset < ptr)

which technically is undefined for non-unsigned types. See

http://bugzilla.kernel.org/show_bug.cgi?id=12597

for details.

Not all versions of gcc support it, so we need to make it conditional
(it looks like it was introduced in gcc-3.4).

Reminded-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoMerge branch 'master' of /home/davem/src/GIT/linux-2.6/
David S. Miller [Thu, 19 Mar 2009 06:53:57 +0000 (23:53 -0700)]
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/

15 years agosparc64: Fix crash with /proc/iomem
Mikulas Patocka [Thu, 19 Mar 2009 06:53:16 +0000 (23:53 -0700)]
sparc64: Fix crash with /proc/iomem

When you compile kernel on Sparc64 with heap memory checking and type
"cat /proc/iomem", you get a crash, because pointers in struct
resource are uninitialized.

Most code fills struct resource with zeros, so I assume that it is
responsibility of the caller of request_resource to initialized it,
not the responsibility of request_resource functuion.

After 2.6.29 is out, there could be a check for uninitialized fields
added to request_resource to avoid crashes like this.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agosparc64: Reschedule KGDB capture to a software interrupt.
David S. Miller [Thu, 19 Mar 2009 06:51:57 +0000 (23:51 -0700)]
sparc64: Reschedule KGDB capture to a software interrupt.

Otherwise it might interrupt switch_to() midstream and use
half-cooked register window state.

Reported-by: Chris Torek <chris.torek@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agobas_gigaset: correctly allocate USB interrupt transfer buffer
Tilman Schmidt [Thu, 19 Mar 2009 06:44:23 +0000 (23:44 -0700)]
bas_gigaset: correctly allocate USB interrupt transfer buffer

Every USB transfer buffer has to be allocated individually by kmalloc.

Impact: bugfix, no functional change

Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Tested-by: Kolja Waschk <kawk@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agosmsc911x: reset last known duplex and carrier on open
Steve Glendinning [Thu, 19 Mar 2009 06:37:18 +0000 (23:37 -0700)]
smsc911x: reset last known duplex and carrier on open

smsc911x_phy_adjust_link is called periodically by the phy layer (as
it's run in polling mode), and it only updates the hardware when it sees
a change in duplex or carrier.  This patch clears the last known values
every time the interface is brought up, instead of only when the module
is loaded.

Without this patch the adjust_link function never updates the hardware
after an ifconfig down; ifconfig up.  On a full duplex link this causes
the tx error counter to increment, even though packets are correctly
transmitted, as the default MAC_CR register setting is for half duplex.

The tx errors are "no carrier" errors, which should be ignored in
full-duplex mode.  When MAC_CR is set to "full duplex" mode they are
correctly ignored by the hardware.

Note that even with this patch the tx error counter can increment if
packets are transmitted between "ifconfig up" and the first phy poll
interval.  An improved solution would use the phy interrupt with phylib,
but I haven't managed to make this work 100% robustly yet.

Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agosh_eth: Fix mistake of the address of SH7763
Nobuhiro Iwamatsu [Mon, 16 Mar 2009 19:52:23 +0000 (19:52 +0000)]
sh_eth: Fix mistake of the address of SH7763

Address of SH_TSU_ADDR and ARSTR of SH7763 was wrong.
This revise it.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agosh_eth: Change handling of IRQ
Nobuhiro Iwamatsu [Mon, 16 Mar 2009 19:50:57 +0000 (19:50 +0000)]
sh_eth: Change handling of IRQ

Handling of IRQ of the SH7763/SH7764 CPU which sh_eth supported was
changed.
This revises it for this change.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonetns: oops in ip[6]_frag_reasm incrementing stats
Jorge Boncompte [DTI2] [Thu, 19 Mar 2009 06:26:11 +0000 (23:26 -0700)]
netns: oops in ip[6]_frag_reasm incrementing stats

dev can be NULL in ip[6]_frag_reasm for skb's coming from RAW sockets.

Quagga's OSPFD sends fragmented packets on a RAW socket, when netfilter
conntrack reassembles them on the OUTPUT path you hit this code path.

You can test it with something like "hping2 -0 -d 2000 -f AA.BB.CC.DD"

With help from Jarek Poplawski.

Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet: kfree(napi->skb) => kfree_skb
Roel Kluin [Thu, 19 Mar 2009 06:12:13 +0000 (23:12 -0700)]
net: kfree(napi->skb) => kfree_skb

struct sk_buff pointers should be freed with kfree_skb.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet: fix sctp breakage
Al Viro [Thu, 19 Mar 2009 02:12:42 +0000 (19:12 -0700)]
net: fix sctp breakage

broken by commit 5e739d1752aca4e8f3e794d431503bfca3162df4; AFAICS should
be -stable fodder as well...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Aced-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoipv6: fix display of local and remote sit endpoints
Bjørn Mork [Thu, 19 Mar 2009 01:56:54 +0000 (18:56 -0700)]
ipv6: fix display of local and remote sit endpoints

This fixes the regressions cause by
commit 1326c3d5a4b792a2b15877feb7fb691f8945d203
(v2.6.28-rc6-461-g23a12b1) broke the display of local and remote
addresses of an SIT tunnel in iproute2.

nt->parms is used by ipip6_tunnel_init() and therefore need to be
initialized first.

Tracked as http://bugzilla.kernel.org/show_bug.cgi?id=12868

Reported-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet: Document /proc/sys/net/core/netdev_budget
Stanislaw Gruszka [Thu, 19 Mar 2009 01:51:06 +0000 (18:51 -0700)]
net: Document /proc/sys/net/core/netdev_budget

The NAPI poll parameter netdev_budget is not documented in
kernel-docs. Since it may have a substantial effect on at least some
network loads, it should be.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agotulip: fix crash on iface up with shirq debug
Kyle McMartin [Thu, 19 Mar 2009 01:49:01 +0000 (18:49 -0700)]
tulip: fix crash on iface up with shirq debug

Tulip is currently doing request_irq before it has done its
initialization. This is usually not a problem because it hasn't
enable interrupts yet, but with DEBUG_SHIRQ on, we call the irq handler
when registering the interrupt as a sanity check.

This can result in a NULL ptr dereference, so call tulip_init_ring
before request_irq, and add a free_ring function to do the freeing
now shared with tulip_close.

Tested with a shell loop running ifup, ifdown in a loop a few hundred
times with DEBUG_SHIRQ on.

Signed-off-by: Kyle McMartin <kyle@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agovirtio_net: Make virtio_net support carrier detection
Pantelis Koukousoulas [Thu, 19 Mar 2009 01:40:02 +0000 (18:40 -0700)]
virtio_net: Make virtio_net support carrier detection

Impact: Make NetworkManager work with virtio_net

For now the semantics are simple: There is always carrier.

This allows a seamless experience with e.g., qemu/kvm
where NetworkManager just configures and sets up
everything automagically.

If/when a generally agreed-upon way to control
carrier on/off in the emulator/hypervisor level
emerges, it will be trivial to extend the driver
to support that too, but for now even this 2-liner
makes user experience that much better.

Signed-off-by: Pantelis Koukousoulas <pktoss@gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agobonding: Fix updating of speed/duplex changes
Jay Vosburgh [Thu, 19 Mar 2009 01:38:25 +0000 (18:38 -0700)]
bonding: Fix updating of speed/duplex changes

This patch corrects an omission from the following commit:

commit f0c76d61779b153dbfb955db3f144c62d02173c2
Author: Jay Vosburgh <fubar@us.ibm.com>
Date:   Wed Jul 2 18:21:58 2008 -0700

    bonding: refactor mii monitor

The un-refactored code checked the link speed and duplex of
every slave on every pass; the refactored code did not do so.

The 802.3ad and balance-alb/tlb modes utilize the speed and
duplex information, and require it to be kept up to date.  This patch
adds a notifier check to perform the appropriate updating when the slave
device speed changes.

Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agobnx2: Fix problem of using wrong IRQ handler.
Michael Chan [Thu, 19 Mar 2009 01:11:51 +0000 (18:11 -0700)]
bnx2: Fix problem of using wrong IRQ handler.

The MSI-X handler was chosen before the call to pci_enable_msix().
If MSI-X was not available, the wrong MSI-X handler would be used in
INTA mode.  This would cause a screaming interrupt problem because
INTA would not be cleared by the MSI-X handler.

Fixed by assigning MSI-X handler after pci_enable_msix() returns
successfully.  Also update version to 1.9.3.

Thomas Chenault <thomas_chenault@dell.com> helped us find this problem.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6
Linus Torvalds [Wed, 18 Mar 2009 16:34:17 +0000 (09:34 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6:
  Staging: benet: remove driver now that it is merged in drivers/net/

15 years agoMerge branch 'for-2.6.29' of git://linux-nfs.org/~bfields/linux
Linus Torvalds [Wed, 18 Mar 2009 16:27:20 +0000 (09:27 -0700)]
Merge branch 'for-2.6.29' of git://linux-nfs.org/~bfields/linux

* 'for-2.6.29' of git://linux-nfs.org/~bfields/linux:
  nfsd: nfsd should drop CAP_MKNOD for non-root
  NFSD: provide encode routine for OP_OPENATTR

15 years agoStaging: benet: remove driver now that it is merged in drivers/net/
Greg Kroah-Hartman [Wed, 18 Mar 2009 16:22:17 +0000 (09:22 -0700)]
Staging: benet: remove driver now that it is merged in drivers/net/

The benet driver is now in the proper place in drivers/net/benet, so we
can remove the staging version.

Acked-by: Sathya Perla <sathyap@serverengines.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
15 years agoMerge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Linus Torvalds [Wed, 18 Mar 2009 16:05:40 +0000 (09:05 -0700)]
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/ps3: ps3_defconfig updates
  powerpc/mm: Respect _PAGE_COHERENT on classic ppc32 SW
  powerpc/5200: Enable CPU_FTR_NEED_COHERENT for MPC52xx
  ps3/block: Replace mtd/ps3vram by block/ps3vram

15 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
Linus Torvalds [Wed, 18 Mar 2009 16:04:25 +0000 (09:04 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus

* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
  module: fix refptr allocation and release order