This patch fixes 2.6.15 regression, is straightforward and tested.

Cable detection got broken probably while converting the driver to support
multiple controllers.  Cable detection is done by examining how BIOS
configured the attached devices.  The current code is broken in that it
examines the status *after* modifying Clk66 configuration ending up
detecting 40c cables as 80c.  This patch fixes it.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

The pci_find_subsys gets called very early by obsolete ide setup parameters.
This is a bogus call since pci is not initialized yet, so the list is empty.
But in the mean time, interrupts get enabled by down_read.  This can result in
a kernel panic when the irq controller gets initialized.

This patch checks if the device list is empty before taking the semaphore, and
hence will not enable irq's.  Furthermore it will inform that it is called
while pci_devices is empty as a reminder that the ide code needs to be fixed.

The pci_get_subsys can get called in the same manner, and as such is patched
in the same manner.

[akpm@osdl.org: cleanups]
Signed-off-by: Ard van Breemen <ard@telegraafnet.nl>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

The parsing of some kernel parameters seem to enable irq's at a stage that
irq's are not supposed to be enabled (Particularly the ide kernel parameters).

Having irq's enabled before the irq controller is initialized might lead to a
kernel panic.  This patch only detects this behaviour and warns about wich
parameter caused it.

[akpm@osdl.org: cleanups]
Signed-off-by: Ard van Breemen <ard@telegraafnet.nl>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

The calls made by parse_parms to other initialization code might enable
interrupts again way too early.

Having interrupts on this early can make systems PANIC when they initialize
the IRQ controllers (which happens later in the code).  This patch detects
that irq's are enabled again, barfs about it and disables them again as a
safety net.

[akpm@osdl.org: cleanups]
Signed-off-by: Ard van Breemen <ard@telegraafnet.nl>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

Russell King recently reminded us that one shouldn't use
asm/arch/hardware.h but one should use asm/hardware.h
(http://lkml.org/lkml/2006/12/23/26).  Unfortunately, the leds-s3c24xx
driver is using the wrong header.  This patch is fixing that.
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/macintosh/via-pmu.c: In function 'pmac_suspend_devices':
drivers/macintosh/via-pmu.c:2014: error: implicit declaration of function 'pm_prepare_console'
drivers/macintosh/via-pmu.c: In function 'pmac_wakeup_devices':
drivers/macintosh/via-pmu.c:2139: error: implicit declaration of function 'pm_restore_console'
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

Jeffrey Altman, one of the gatekeepers of OpenAFS (the open source project
which inherited the Transarc/IBM AFS codebase) has requested that the magic
number 0x5346414F (little endian 'OAFS') be allocated for the f_type field
of the fsinfo structure on Linux:

  https://lists.openafs.org/pipermail/openafs-info/2006-December/024829.html

Add it to include/linux/magic.h, mostly as a way of publishing this number
and ensuring that no other filesystem accidentally uses it.

Cc: Jeffrey Altman <jaltman@secure-endpoints.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SOUND] Sparc CS4231: Use 64 for period_bytes_min
  [SOUND] Sparc CS4231: Fix IRQ return value and initialization.

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
  [IPV4/IPV6]: Fix inet{,6} device initialization order.
  [TCP]: Use old definition of before
  [NETFILTER]: ebtables: don't compute gap before checking struct type
  [NETFILTER]: nf_nat: fix MASQUERADE crash on device down
  [NETFILTER]: New connection tracking is not EXPERIMENTAL anymore
  [NETFILTER]: Fix routing of REJECT target generated packets in output chain
  [NETFILTER]: compat offsets size change
  [SUNGEM]: PHY updates & pause fixes (#2)
  [X25]: proper prototype for x25_init_timers()
  [AF_NETLINK]: module_put cleanup
  [XFRM_USER]: avoid pointless void ** casts
  [NETFILTER] xt_hashlimit.c: fix typo
  [NET] drivers/net/loopback.c: convert to module_init()
  [PKTGEN]: Convert to kthread API.
  [NET]: ifb double-counts packets

It is important that we only assign dev->ip{,6}_ptr
only after all portions of the inet{,6} are setup.

Otherwise we can receive packets before the multicast
spinlocks et al. are initialized.
Signed-off-by: David L Stevens <dlstevens@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

This reverts the new (unambiguous) definition of the TCP `before'
relation. As pointed out in an example by Herbert Xu, there is 
existing code which implicitly requires the old definition in order
to work correctly.
Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

We cannot compute the gap until we know we have a 'struct ebt_entry' and
not 'struct ebt_entries'.  Failure to check can cause crash.
Tested-by: Santiago Garcia Mantinan <manty@manty.net>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

Check the return value of nfct_nat() in device_cmp(), we might very well
have non NAT conntrack entries as well (Netfilter bugzilla #528).
Signed-off-by: Martin Josefsson <gandalf@wlug.westbo.se>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

Packets generated by the REJECT target in the output chain have a local
destination address and a foreign source address. Make sure not to use
the foreign source address for the output route lookup.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

Used by compat code offsets of entries should be 'unsigned int' as entries
array size has this dimension.
Signed-off-by: Dmitry Mishin <dim@openvz.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
  ACPI: asus_acpi: new MAINTAINER
  ACPI: fix section mis-match build warning
  ACPI: increase ACPI_MAX_REFERENCE_COUNT for larger systems
  ACPI: EC: move verbose printk to debug build only
  backlight: fix backlight_device_register compile failures

The help text for CONFIG_HID might imply for someone that
it's necessary to enable it for any keyboard or mouse
attached to the system. This is obviously not correct, so
fix it to avoid confusing the users.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

HID it defaults to 'y'.  When you have input deselected, this
causes the kernel to fail to link.
Fix it by making it depend on INPUT.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

This patch adds support for a few more PHYs used by Apple and fixes
advertising and detecting of Pause (we were missing setting the bit in
MII_ADVERTISE and weren't testing in LPA for all PHYs).

Note that I currently only advertise pause, not asymetric pause. I
don't know for sure the details there, I suppose I should read a bit
more 802.3 references, and I don't now what sungem is capable of, but
I noticed the PCS code (originated from you) does the same.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

This matches what the ISA cs4231 driver uses.

Tested by Georg Chini.
Signed-off-by: David S. Miller <davem@davemloft.net>

This patch adds a proper prototype for x25_init_timers() in 
include/net/x25.h
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

This patch removes redundant argument check for module_put().
Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>

All ->doit handlers want a struct rtattr **, so pass down the right
type.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

This patch converts drivers/net/loopback.c to using module_init().
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

Based upon a suggestion from Christoph Hellwig.

This fixes various races in module load/unload handling
too.
Signed-off-by: David S. Miller <davem@davemloft.net>

Signed-off-by: dean gaudet <dean@arctic.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

SBUS: Change IRQ-handler return value from 0 to IRQ_HANDLED and
fix some initialisation problems.

Change period_bytes_min from 4096 to 256 to allow driver to work with
low latency (VOIP) applications. Hope this does not break EBUS.
Signed-off-by: Georg Chini <georg.chini@triaton-webhosting.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

* master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart:
  [AGPGART] drivers/char/agp/sgi-agp.c: check kmalloc() return value
  [AGPGART] Fix PCI-posting flush typo.
  [AGPGART] fix detection of aperture size versus GTT size on G965
  [AGPGART] Remove unnecessary flushes when inserting and removing pages.
  [AGPGART] K8M890 support for amd-k8.

* master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq:
  [CPUFREQ] longhaul: Kill off warnings introduced by recent changes.
  [CPUFREQ] Uninitialized use of cmd.val in arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c:acpi_cpufreq_target()
  [CPUFREQ] Longhaul - Always guess FSB
  [CPUFREQ] Longhaul - Fix up powersaver assumptions.
  [CPUFREQ] longhaul: Fix up unreachable code.
  [CPUFREQ] speedstep-centrino: missing space and bracket
  [CPUFREQ] Bug fix for acpi-cpufreq and cpufreq_stats oops on frequency change notification
  [CPUFREQ] select consistently

Alan agreed to take over casual maintenance of the ide-cd atapi cdrom
driver, so I'm happy to sign it over to him. Alan, I hope the address is
the one you want to use. I also changed the list to linux-ide as that
seems more appropriate.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

It's a known fact that Windows times out commands after 7 seconds, so
drives generally try and respond if they can before that happens.  We
default to 5 seconds, which sometimes is a bit too short.

Jeremy Higdon reported here:

	http://lkml.org/lkml/2007/1/1/145

that his drive takes longer than 5 seconds for a "read track
information" command, later confirming that it is about 6.7 seconds.

So just do the sane thing and change the default command timeout to 7
seconds to avoid other surprises.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

If caller passed the tsk, we should use it to validate a stack ptr.
Otherwise, sysrq-t and other debugging stuff doesn't work.
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

Bunch of unused vars + one case where gcc isn't smart enough.
Signed-off-by: Dave Jones <davej@redhat.com>

[CPUFREQ] Uninitialized use of cmd.val in arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c:acpi_cpufreq_target()

cmd.val was used uninitialized on the line below.
Signed-off-by: Guillaume Chazarain <guichaz@yahoo.fr>
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Dave Jones <davej@redhat.com>

This is patch that solves Ebox mini PC issue and make
FSB code more specification compilant. At start guess_fsb
function is guessing 200MHz FSB too. It is better to
make it in this way because, thanks to this function, driver
will fail for bogus FSB values caused by bogus multiplier
value. For PowerSaver processors we can't depend on Max /
MinMHzFSB because these values are only used for
PowerSaver 2.0 and 3.0. Most processors on which Longhaul
is used are PowerSaver 1.0 only. I'm changing code for older
CPU's too, but not so much as previously, and this code was
already used for Ezra. Using MinMHzBR for Ezra-T is outside
spec. It is for voltage scaling purpose and don't have to
be equal to minmult (but it is). Same for Nehemiah (it
isn't for sure). Added mult - current multiplier value.
Signed-off-by: Rafa³ Bilski <rafalbilski@interia.pl>
Signed-off-by: Dave Jones <davej@redhat.com>

drivers/char/agp/sgi-agp.c: check kmalloc() return value
Signed-off-by: Amit Choudhary <amit2030@gmail.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>

* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm:
  [ARM] 4081/1: Add definition for TI Sync Serial Protocol
  [ARM] 4080/1: Fix for the SSCR0_SlotsPerFrm macro
  [ARM] Fix VFP initialisation issue for SMP systems
  [ARM] 4078/1: Fix ARM copypage cache coherency problems
  [ARM] 4077/1: iop13xx: fix __io() macro
  [ARM] 4074/1: Flat loader stack alignment
  [ARM] 4073/1: Prevent s3c24xx drivers from including asm/arch/hardware.h and asm/arch/irqs.h
  [ARM] 4071/1: S3C24XX: Documentation update
  [ARM] 4066/1: correct a comment about PXA's sched_clock range
  [ARM] 4065/1: S3C24XX: dma printk fixes
  [ARM] 4064/1: make pxa_get_cycles() static
  [ARM] 4063/1: ep93xx: fix IRQ_EP93XX_GPIO?MUX numbering

Of the possible SSP frame formats (FRF bits in SSCR0), only SSCR0_PSP is defined. Other possible formats are Motorola SPI (0<<4), TI SSP (1<<4) and Microwire (2<<4). Attached patch adds a definition SSCR0_TISSP.
This mode is used for the sound codec attached to the PXA272 SSP1 of some HTC PDA phones.
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>