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51850 commits

Author SHA1 Message Date
Henrique de Moraes Holschuh
0081b16202 ACPI: thinkpad-acpi: fix fan sleep/resume path
This fixes a regression from v2.6.27, caused by commit
5814f737e1cd2cfa2893badd62189acae3e1e1fd, "ACPI: thinkpad-acpi:
attempt to preserve fan state on resume".

It is possible for fan_suspend() to fail to properly initialize
fan_control_desired_level as required by fan_resume(), resulting on
the fan always being set to level 7 on resume if the user didn't
touch the fan controller.

In order to get fan sleep/resume handling to work right:

1. Fix the fan_suspend handling of the T43 firmware quirk. If it is
still undefined, we didn't touch the fan yet and that means we have no
business doing it on resume.

2. Store the fan level on its own variable to avoid any possible
issues with hijacking fan_control_desired_level (which isn't supposed
to have anything other than 0-7 in it, anyway).

3. Change the fan_resume code to me more straightforward to understand
(although we DO optimize the boolean logic there, otherwise it looks
disgusting).

4. Add comments to help understand what the code is supposed to be
doing.

5. Change fan_set_level to be less strict about how auto and
full-speed modes are requested.

http://bugzilla.kernel.org/show_bug.cgi?id=11982

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Reported-by: Tino Keitel <tino.keitel@tikei.de>
Signed-off-by: Len Brown <len.brown@intel.com>
2008-11-26 19:24:22 -05:00
Alessandro Guido
3fedd90fdf sony-laptop: printk tweak
There's no need to print "Sony: " just after "sony-laptop: " (DRV_PFX).

Signed-off-by: Alessandro Guido <ag@alessandroguido.name>
Signed-off-by: Len Brown <len.brown@intel.com>
2008-11-26 18:12:14 -05:00
Alessandro Guido
38cfc148e1 sony-laptop: brightness regression fix
After commit 540b8bb9c3:

  sony-laptop: fingers off backlight if video.ko is serving this functionality

I can't set brightness on my sony laptop (nothing in /sys/class/backlight).
dmesg says "sony-laptop: Sony: Brightness ignored, must be controlled by ACPI
video driver".

The function acpi_video_backlight_support returns 0 if we should use the
vendor-specific backlight support, while non-0 if the ACPI generic should
be used. Because of this, the check introduced by the said commit appears
reversed.

Signed-off-by: Alessandro Guido <ag@alessandroguido.name>
Signed-off-by: Len Brown <len.brown@intel.com>
2008-11-26 18:12:07 -05:00
Len Brown
3bdca1b863 Revert "ACPI: don't enable control method power button as wakeup device when Fixed Power button is used"
This reverts commit faee816b15.

http://bugzilla.kernel.org/show_bug.cgi?id=12091

Signed-off-by: Len Brown <len.brown@intel.com>
2008-11-26 17:55:15 -05:00
Rafael J. Wysocki
65df78473f ACPI suspend: Blacklist boxes that require us to set SCI_EN directly on resume
Some Apple boxes evidently require us to set SCI_EN on resume
directly, because if we don't do that, they hung somewhere in the
resume code path.  Moreover, on these boxes it is not sufficient to
use acpi_enable() to turn ACPI on during resume.  All of this is
against the ACPI specification which states that (1) the BIOS is
supposed to return from the S3 sleep state with ACPI enabled
(SCI_EN set) and (2) the SCI_EN bit is owned by the hardware and we
are not supposed to change it.

For this reason, blacklist the affected systems so that the SCI_EN
bit is set during resume on them.

[NOTE: Unconditional setting SCI_EN for all system on resume doesn't
 work, because it makes some other systems crash (that's to be
 expected).  Also, it is not entirely clear right now if all of the
 Apple boxes require this workaround.]

This patch fixes the recent regression tracked as
http://bugzilla.kernel.org/show_bug.cgi?id=12038

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Tested-by: Tino Keitel <tino.keitel@gmx.de>
Tested-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2008-11-26 17:53:13 -05:00
Pavel Machek
40599072dc ACPI: scheduling in atomic via acpi_evaluate_integer ()
Now I know why I had strange "scheduling in atomic" problems:
acpi_evaluate_integer() does malloc(..., irqs_disabled() ? GFP_ATOMIC
: GFP_KERNEL)... which is (of course) broken.

There's no way to reliably tell if we need GFP_ATOMIC or not from
code, this one for example fails to detect spinlocks held.

Fortunately, allocation seems small enough to be done on stack.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Acked-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2008-11-26 17:39:06 -05:00
Alexey Starikovskiy
558073dd56 ACPI: battery: Convert discharge energy rate to current properly
ACPI battery interface reports its state either in mW or in mA, and
discharge rate in your case is reported in mW. power_supply interface
does not have such a parameter, so current_now parameter is used
for all cases. But in case of mW, reported discharge should
be converted into mA.

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Tested-by: Ferenc Wagner <wferi@niif.hu>
Signed-off-by: Len Brown <len.brown@intel.com>
2008-11-26 17:23:10 -05:00
Alexey Starikovskiy
7b4d469228 ACPI: EC: count interrupts only if called from interrupt handler.
fix 2.6.28 EC interrupt storm regression

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
2008-11-26 17:16:45 -05:00
Linus Torvalds
ed313489ba Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm:
  [ARM] 5330/1: mach-pxa: Fixup reset for systems using reboot=cold or other strings
  [ARM] pxa: fix incorrect PCMCIA PSKTSEL pin configuration for spitz
  [ARM] pxa: fix I2C controller device being registered twice on Akita
  pxafb: only initialize the smart panel thread when dealing with a smartpanel
  pxafb: introduce LCD_TYPE_MASK and use it.
2008-11-20 18:08:09 -08:00
Linus Torvalds
ba721d318b Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
  USB: ACE1001 patch for cp2101.c
  USB: usbmon: fix read(2)
  USB: gadget rndis: send notifications
  USB: gadget rndis: stop windows self-immolation
  USB: storage: update unusual_devs entries for Nokia 5300 and 5310
  USB: storage: updates unusual_devs entry for the Nokia 6300
  usb: musb: fix bug in musb_schedule
  USB: fix SB700 usb subsystem hang bug
2008-11-20 13:53:21 -08:00
Linus Torvalds
e3b4ae79e9 Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  intel-iommu: fix compile warnings
2008-11-20 13:13:03 -08:00
Linus Torvalds
4dd61d92d7 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: (23 commits)
  net: fix tiny output corruption of /proc/net/snmp6
  atl2: don't request irq on resume if netif running
  ipv6: use seq_release_private for ip6mr.c /proc entries
  pkt_sched: fix missing check for packet overrun in qdisc_dump_stab()
  smc911x: Fix printf format typo in smc911x driver.
  asix: Fix asix-based cards connecting to 10/100Mbs LAN.
  mv643xx_eth: fix recycle check bound
  mv643xx_eth: fix the order of mdiobus_{unregister, free}() calls
  sh: sh_eth: Update to change of mii_bus
  TPROXY: supply a struct flowi->flags argument in inet_sk_rebuild_header()
  TPROXY: fill struct flowi->flags in udp_sendmsg()
  net: ipg.c fix bracing on endian swapping
  phylib: Fix auto-negotiation restart avoidance
  net: jme.c rxdesc.flags is __le16, other missing endian swaps
  phylib: fix phy name example in documentation
  net: Do not fire linkwatch events until the device is registered.
  phonet: fix compilation with gcc-3.4
  ixgbe: fix compilation with gcc-3.4
  pktgen: fix multiple queue warning
  net: fix ip_mr_init() error path
  ...
2008-11-20 13:12:14 -08:00
Alan Jenkins
a849854fc7 atl2: don't request irq on resume if netif running
If the device is suspended with the cable disconnected, then
resumed with the cable connected, dev->open is called before
resume. During resume, we request an IRQ, but the IRQ was
already assigned during dev->open, resulting in the warning
shown below.

Don't request an IRQ if the device is running.

Call Trace:
 [<c011b89a>] warn_on_slowpath+0x40/0x59
 [<c023df15>] raw_pci_read+0x4d/0x55
 [<c023dff3>] pci_read+0x1c/0x21
 [<c01bcd81>] __pci_find_next_cap_ttl+0x44/0x70
 [<c01bce86>] __pci_find_next_cap+0x1a/0x1f
 [<c01bcef9>] pci_find_capability+0x28/0x2c
 [<c01c4144>] pci_msi_check_device+0x53/0x62
 [<c01c49c2>] pci_enable_msi+0x3a/0x1cd
 [<e019f17b>] atl2_write_phy_reg+0x40/0x5f [atl2]
 [<c01061b1>] dma_generic_alloc_coherent+0x0/0xd7
 [<e019f107>] atl2_request_irq+0x15/0x49 [atl2]
 [<e01a1481>] atl2_open+0x20b/0x297 [atl2]
 [<c024a35c>] dev_open+0x62/0x91
 [<c0248b9a>] dev_change_flags+0x93/0x141
 [<c024f308>] do_setlink+0x238/0x2d5
 [<c02501b2>] rtnl_setlink+0xa9/0xbf
 [<c0297f0c>] mutex_lock+0xb/0x19
 [<c024ffa7>] rtnl_dump_ifinfo+0x0/0x69
 [<c0250109>] rtnl_setlink+0x0/0xbf
 [<c024fe42>] rtnetlink_rcv_msg+0x185/0x19f
 [<c0240fd1>] sock_rmalloc+0x23/0x57
 [<c024fcbd>] rtnetlink_rcv_msg+0x0/0x19f
 [<c0259457>] netlink_rcv_skb+0x2d/0x71
 [<c024fcb7>] rtnetlink_rcv+0x14/0x1a
 [<c025929e>] netlink_unicast+0x184/0x1e4
 [<c025992a>] netlink_sendmsg+0x233/0x240
 [<c023f405>] sock_sendmsg+0xb7/0xd0
 [<c0129131>] autoremove_wake_function+0x0/0x2b
 [<c0129131>] autoremove_wake_function+0x0/0x2b
 [<c0147796>] mempool_alloc+0x2d/0x9e
 [<c020c923>] scsi_pool_alloc_command+0x35/0x4f
 [<c0297f0c>] mutex_lock+0xb/0x19
 [<c028e867>] unix_stream_recvmsg+0x357/0x3e2
 [<c01b81c9>] copy_from_user+0x23/0x4f
 [<c02452ea>] verify_iovec+0x3e/0x6c
 [<c023f5ab>] sys_sendmsg+0x18d/0x1f0
 [<c023ffa8>] sys_recvmsg+0x146/0x1c8
 [<c0240016>] sys_recvmsg+0x1b4/0x1c8
 [<c0118f48>] __wake_up+0xf/0x15
 [<c02586cd>] netlink_table_ungrab+0x17/0x19
 [<c01b83ba>] copy_to_user+0x25/0x3b
 [<c023fe4a>] move_addr_to_user+0x50/0x68
 [<c0240266>] sys_getsockname+0x6f/0x9a
 [<c0240280>] sys_getsockname+0x89/0x9a
 [<c015046a>] do_wp_page+0x3ae/0x41a
 [<c0151525>] handle_mm_fault+0x4c5/0x540
 [<c02405d0>] sys_socketcall+0x176/0x1b0
 [<c010376d>] sysenter_do_call+0x12/0x21

Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Jay Cliburn <jcliburn@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-20 04:18:25 -08:00
David S. Miller
f7f65d1e8b Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 2008-11-20 04:01:29 -08:00
Vernon Sauder
eafdcb433f smc911x: Fix printf format typo in smc911x driver.
Signed-off-by: Vernon Sauder <VernonInHand@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-20 01:56:08 -08:00
Pantelis Koukousoulas
a7f75c0c9c asix: Fix asix-based cards connecting to 10/100Mbs LAN.
Add AX_MEDIUM_ENCK also when speed = 10/100Mbps. This allows my belkin
f5d5055 to work with my 100Mbps switch and with an old 10Mbps ISA card.
Without this patch, the card is recognized and the interface is brought
up fine, but no packets actually flow through the interface.

Signed-off-by: Pantelis Koukousoulas <pktoss@gmail.com>
Acked-by: David Hollis <dhollis@davehollis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-20 01:48:46 -08:00
Lennert Buytenhek
11b4aa03b2 mv643xx_eth: fix recycle check bound
When mv643xx_eth allocates skbuffs, it adds
'dma_get_cache_alignment() - 1' to the length it needs, so that it can
align the skb's ->data pointer to a cache boundary.  When checking
whether a transmitted skbuff can be reused as a receive buffer, these
bytes needs to be included into the minimum bound for the recycle check.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-20 01:39:52 -08:00
Lennert Buytenhek
bcb3336ce4 mv643xx_eth: fix the order of mdiobus_{unregister, free}() calls
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-20 01:39:40 -08:00
Nobuhiro Iwamatsu
fb5e2f9b94 sh: sh_eth: Update to change of mii_bus
Update to change of mii_bus interface and fix some warning.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-20 01:28:30 -08:00
M Kondrin
5091b58751 USB: ACE1001 patch for cp2101.c
The patch which adds IDs for AKTAKOM USB->RS232 cable
(http://www.aktakom.ru/product/kio/ace-1001.htm) is attached.

From: M Kondrin <mkondrin@hppi.troitsk.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-19 22:01:35 -08:00
Pete Zaitcev
f1c0a2a3af USB: usbmon: fix read(2)
There's a bug in the usbmon binary reader: When using read() to fetch
the packets and a packet's data is partially read, the next read call
will once again return up to len_cap bytes of data. The b_read counter
is not regarded when determining the remaining chunk size.

So, when dumping USB data with "cat /dev/usbmon0 > usbmon.trace" while
reading from a USB storage device and analyzing the dump file
afterwards it will get out of sync after a couple of packets.

Signed-off-by: Ingo van Lil <inguin@gmx.de>
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-19 22:01:35 -08:00
Richard Röjfors
ff3495052a USB: gadget rndis: send notifications
It turns out that atomic_inc_return() returns the *new* value
not the original one, so the logic in rndis_response_available()
kept the first RNDIS response notification from getting out.
This prevented interoperation with MS-Windows (but not Linux).

Fix this to make RNDIS behave again.

Signed-off-by: Richard Röjfors <richard.rojfors@endian.se>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-19 22:01:34 -08:00
David Brownell
9c264521a9 USB: gadget rndis: stop windows self-immolation
Somewhere in the conversion of the RNDIS gadget code to the new
framework, the descriptor of its data interface seems to have
been copied from the CDC Ethernet driver.  Unfortunately that
means it got a nonzero altsetting ... which is incorrect.  Issue
uncovered by Richard Röjfors <richard.rojfors@endian.se>.

This patch fixes that problem, and resolves at least some cases
of Windows XP bluescreening itself.

Tested-by: Richard Röjfors <richard.rojfors@endian.se>.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-19 22:01:34 -08:00
Alan Stern
589afd3bec USB: storage: update unusual_devs entries for Nokia 5300 and 5310
This patch (as1168) updates the unusual_devs entry for the Nokia 5300.
According to Jorge Lucangeli Obes <t4m5yn@gmail.com>, some existing
models have a revision number lower than the lower limit of the
current entry.

The patch also moves the entry for the Nokia 5310 to its correct place
in the file.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-19 22:01:34 -08:00
Alan Stern
9beba53dc5 USB: storage: updates unusual_devs entry for the Nokia 6300
This patch (as1169) modifies the unusual_devs entry for the Nokia
6300.  According to Maciej Gierok <mgierok@gmail.com> and David
McBride <dwm@doc.ic.ac.uk>, the revision limits need to be wider.

This fixes Bugzilla #11768.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-19 22:01:34 -08:00
Felipe Balbi
aa5cbbecd9 usb: musb: fix bug in musb_schedule
This bug was introduced recently. Fix it before bigger
problems appear.

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-19 22:01:34 -08:00
Andiry Xu
b09bc6cbae USB: fix SB700 usb subsystem hang bug
This patch is required for AMD SB700 south bridge revision A12 and A13 to avoid
USB subsystem hang symptom. The USB subsystem hang symptom is observed when the
system has multiple USB devices connected to it. In some cases a USB hub may be
required to observe this symptom.

This patch works around the problem by correcting the internal register setting
that will help by changing the behavior of the internal logic to avoid the
USB subsystem hang issue. The change in the behavior of the logic does not
impact the normal operation of the USB subsystem.

Reported-by: Volker Armin Hemmann <volker.armin.hemmann@tu-clausthal.de>
Tested-by: Volker Armin Hemmann <volker.armin.hemmann@tu-clausthal.de>
Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Libin Yang <libin.yang@amd.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-19 22:01:34 -08:00
Linus Torvalds
ee2f6cc7f9 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
  PCI: Fix disable IRQ 0 in pci_reset_function()
2008-11-19 18:57:16 -08:00
Linus Torvalds
4f7dbc7ff4 Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86: more general identifier for Phoenix BIOS
  AMD IOMMU: check for next_bit also in unmapped area
  AMD IOMMU: fix fullflush comparison length
  AMD IOMMU: enable device isolation per default
  AMD IOMMU: add parameter to disable device isolation
  x86, PEBS/DS: fix code flow in ds_request()
  x86: add rdtsc barrier to TSC sync check
  xen: fix scrub_page()
  x86: fix es7000 compiling
  x86, bts: fix unlock problem in ds.c
  x86, voyager: fix smp generic helper voyager breakage
  x86: move iomap.h to the new include location
2008-11-19 18:51:56 -08:00
Randy Dunlap
9f92f47197 cciss: fix DEBUG printk formats
Fix printk format warnings when CCISS_DEBUG is defined.

drivers/block/cciss.c:2856: warning: format '%d' expects type 'int', but argument 2 has type 'long unsigned int'
drivers/block/cciss.c:3205: warning: format '%x' expects type 'unsigned int', but argument 2 has type 'long unsigned int'
drivers/block/cciss.c:3236: warning: format '%x' expects type 'unsigned int', but argument 2 has type '__u64'
drivers/block/cciss.c:3246: warning: format '%x' expects type 'unsigned int', but argument 2 has type '__u64'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Mike Miller <mike.miller@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19 18:50:00 -08:00
Stanley.Miao
06b0d4dc14 W1 OMAP: Fix OMAP LDP boot crash
OMAP LDP boot crash.  This is because w1 subsystem changed the search
interface, so update omap_hdq's search interface to follow the change.

Signed-off-by: Stanley.Miao <stanley.miao@windriver.com>
Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19 18:50:00 -08:00
Mike Rapoport
f55491a4bc drivers/video/backlight/da903x.c: introduce one more missing kfree
One more error handling code should have kfree as well

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Acked-by: Eric Miao <eric.miao@marvell.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19 18:50:00 -08:00
Vlada Peric
ee11940f8e cirrusfb: remove unused variables
After commit a1d35a7a (cirrusfb: use modedb and add mode_option
parameter), these variables are no longer used, so remove them to fix
compilation warning.

Signed-off-by: Vlada Periæ <vlada.peric@gmail.com>
Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19 18:49:59 -08:00
Henrik Rydberg
45a3a36b63 drivers/hwmon/applesmc.c: add generic MacPro support
In order to analyze the SMC of the newer MacPros, applesmc needs to
recognize the machine.  This patch adds the missing generic dmi_match
entry for MacPro models.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Cc: Nicolas Boichat <nicolas@boichat.ch>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19 18:49:59 -08:00
Julia Lawall
c0d861afa5 drivers/video/backlight/da903x.c: introduce missing kfree
Error handling code following a 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,l;
position p1,p2;
expression *ptr != NULL;
@@

(
if ((x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...)) == NULL) S
|
x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
...
if (x == NULL) S
)
<... when != x
     when != if (...) { <+...x...+> }
x->f = E
...>
(
 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>
Cc: Mike Rapoport <mike@compulab.co.il>
Cc: Richard Purdie <rpurdie@linux.intel.com>
Cc: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19 18:49:59 -08:00
Andrea Paterniani
3b45d6380c spi_imx: full duplex dma corruption bugfix
Fix unsafe order in dma mapping operation: always flush data from the
cache *BEFORE* invalidating it, to allow full duplex transfers where the
same buffer may be used for both writes and reads.

Signed-off-by: Andrea Paterniani <a.paterniani@swapp-eng.it>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19 18:49:58 -08:00
Ben Dooks
b3b4dc8840 lcd: fix oops if driver only interested in .set_power
The LCD driver core calls LCD drivers when either the blanking state or
the display mode has changed, but does not make any check to see if the
called driver has a .set_mode method.

This means if a driver only has a .set_power method then the system will
OOPS on changing mode (and with the console semaphore held so you cannot
easily see the problem).

Fix the problem by ensuring that either callback is valid before use.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19 18:49:58 -08:00
Bruno Prémont
c267fd777a viafb: fix releasing of /proc/viafb/ subtree
When unloading viafb module it does not remove it's /proc/viafb/ subtree
which causes multiple viafb directories to appear below proc when
mobprobing viafb and also lets kernel WARN() on duplicate proc entries:

[  145.458387] WARNING: at /usr/src/linux-2.6.28-rc3-git6/fs/proc/generic.c:551 proc_register+0xe6/0x160()
[  145.458945] proc_dir_entry '/proc/viafb' already registered
[  145.459278] Modules linked in: viafb(+) i2c_algo_bit cfbcopyarea cfbimgblt cfbfillrect snd_hda_intel snd_pcm snd_timer snd soundcore snd_page_alloc sg via_agp agpgart [last unloaded: drm]
[  145.460647] Pid: 1904, comm: modprobe Tainted: G        W  2.6.28-rc3-git6 #4
[  145.461064] Call Trace:
[  145.461248]  [<c01066f1>] ? dump_stack+0x1/0x80
[  145.461533]  [<c01228a3>] warn_slowpath+0x63/0x80
[  145.461851]  [<c0253ec9>] ? idr_get_empty_slot+0xe9/0x250
[  145.462186]  [<c0254120>] ? ida_get_new_above+0xf0/0x150
[  145.462528]  [<c019fb86>] proc_register+0xe6/0x160
[  145.462827]  [<c019fdc6>] proc_mkdir_mode+0x36/0x50
[  145.463135]  [<c019fdef>] proc_mkdir+0xf/0x20
[  145.463457]  [<f807173c>] viafb_init+0x73c/0xc86 [viafb]
[  145.463823]  [<f8071000>] ? viafb_init+0x0/0xc86 [viafb]
[  145.464147]  [<c010111d>] do_one_initcall+0x2d/0x160
[  145.464460]  [<c01a6543>] ? sysfs_add_file+0x13/0x20
[  145.464786]  [<c015f031>] ? vfree+0x21/0x30
[  145.465049]  [<c01433b5>] ? load_module+0x1215/0x1500
[  145.465381]  [<c014e455>] ? __alloc_pages_internal+0x95/0x400
[  145.465755]  [<c0143723>] sys_init_module+0x83/0x1a0
[  145.466065]  [<c016ceed>] ? sys_read+0x3d/0x70
[  145.466354]  [<c0103bc1>] sysenter_do_call+0x12/0x25
[  145.466653] ---[ end trace c84b37826e16748c ]---

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Cc: <JosephChan@via.com.tw>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19 18:49:58 -08:00
Ned Forrester
393df744e0 pxa2xx_spi: bugfix full duplex dma data corruption
Fixes a data corruption bug in pxa2xx_spi.c when operating in full duplex
mode with DMA and using buffers that overlap.

SPI transmit and receive buffers are allowed to be the same or to overlap.
 However, this driver fails if such overlap is attempted in DMA mode
because it maps the rx and tx buffers in the wrong order.  By mapping
DMA_FROM_DEVICE (read) before DMA_TO_DEVICE (write), it invalidates the
cache before flushing it, thus discarding data which should have been
transmitted.

The patch corrects the order of mapping.  This bug exists in all versions
of pxa2xx_spi.c; similar bugs are in the drivers for two other SPI
controllers (au1500, imx).

A version of this patch has been tested on kernel 2.6.20 using
verification of loopback data with: random transfer length, random
bits-per-word, random positive offsets (both larger and smaller than
transfer length) between the start of the rx and tx buffers, and varying
clock rates.

Signed-off-by: Ned Forrester <nforrester@whoi.edu>
Cc: Vernon Sauder <vernoninhand@gmail.com>
Cc: J. Scott Merritt <merrij3@rpi.edu>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: <stable@kernel.org>		[2.6.27.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19 18:49:58 -08:00
Dmitry Baryshkov
a495a6d35a tmiofb: fix compilation with ACCEL disabled
Restore support for compiling tmiofb with acceleration disabled.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19 18:49:58 -08:00
Jack Steiner
415d8cfa84 GRU: fix for debug option
Enable -D DEBUG in the GRU Makefile if CONFIG_SGI_GRU_DEBUG is selected.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19 18:49:57 -08:00
Jarkko Nikula
6e8ba729b6 gpiolib: extend gpio label column width in debugfs file
There are already various drivers having bigger label than 12 bytes.  Most
of them fit well under 20 bytes but make column width exact so that
oversized labels don't mess up output alignment.

Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Acked-by: David Brownell <david-b@pacbell.net>
Cc: <stable@kernel.org>		[2.6.26.x, 2.6.26.x, 2.6.27.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19 18:49:57 -08:00
Clemens Ladisch
cf7ee554f3 fbdev: clean the penguin's dirty feet
When booting in a direct color mode, the penguin has dirty feet, i.e.,
some pixels have the wrong color.  This is caused by
fb_set_logo_directpalette() which does not initialize the last 32 palette
entries.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19 18:49:57 -08:00
Julien Brunel
cf7b9a1e11 drivers/video: bad error test before a dereference
The error test that follows the call to backlight_device_register semms
not to concern the right variable.

A simplified version of the semantic match that finds this problem is
as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@def0@
expression x;
position p0;
@@
x@p0 = backlight_device_register(...)

@protected@
expression def0.x,E;
position def0.p0;
position p;
statement S;
@@
x@p0
... when != x = E
if (!IS_ERR(x) && ...) {<... x@p ...>} else S

@unprotected@
expression def0.x;
identifier fld;
position def0.p0;
position p != protected.p;
@@
x@p0
... when != x = E
* x@p->fld
// </smpl>

Signed-off-by: Julien Brunel <brunel@diku.dk>
Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19 18:49:57 -08:00
Henrik Rydberg
9ca791bbd4 hwmon: applesmc: Add support for iMac 6
Add temperature sensor support for iMac 6.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Tested-by: Caleb Hyde <caleb.hyde@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-19 18:49:57 -08:00
Harvey Harrison
b88ed5cc88 net: ipg.c fix bracing on endian swapping
rxfd->frag_info is a __le64, IPG_RFI_FRAGLEN is a cpu-endian
constant and wants to be outside of the le64_to_cpu. Fixed
in multiple places.

Also an occurrence where le64_to_cpu was used instead of cpu_to_le64

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-19 15:54:38 -08:00
Trent Piepho
de339c2aa7 phylib: Fix auto-negotiation restart avoidance
A previous patch, 51e2a3846e, made
genphy_config_aneg() not restart aneg by calling genphy_restart_aneg() if
the advertisement hadn't changed.

But, genphy_restart_aneg() doesn't just restart aneg, it may also *enable*
aneg or un-isolate the PHY from the MII (those functions are controlled by
the same register).  The code to avoid calling genphy_restart_aneg() didn't
consider this.

So, modify genphy_config_aneg() to also check if the PHY needs to have aneg
enabled or be un-isolated before deciding not to restart aneg.

This caused a problem with certain Davicom PHYs, as that driver isolates
the PHY (why?) before calling genphy_config_aneg() and expects the PHY to
be un-isolated by that function.

Signed-off-by: Trent Piepho <tpiepho@freescale.com>
Reported-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-19 15:52:41 -08:00
Harvey Harrison
31c221c49f net: jme.c rxdesc.flags is __le16, other missing endian swaps
This is the minimal patch to fix endian mismatches.  These are
probably bugs on big-endian arches, noops on little endian.

jme_rxsum_ok could be improved to directly take a __le16 and
change all of the masks/sets to be in little-endian, but
has not been done here to keep the patch small.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-19 15:50:59 -08:00
Alexey Dobriyan
79aefa45b2 ixgbe: fix compilation with gcc-3.4
CC [M]  drivers/net/ixgbe/ixgbe_main.o
drivers/net/ixgbe/ixgbe_main.c: In function `ixgbe_intr':
drivers/net/ixgbe/ixgbe_main.c:1290: sorry, unimplemented: inlining failed in call to 'ixgbe_irq_enable': function body not available
drivers/net/ixgbe/ixgbe_main.c:1312: sorry, unimplemented: called from here
make[4]: *** [drivers/net/ixgbe/ixgbe_main.o] Error 1

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-19 14:17:02 -08:00
Sheng Yang
1df8fb3d5f PCI: Fix disable IRQ 0 in pci_reset_function()
Before initialization, dev->irq may be zero. Make sure we don't disable
it at reset time in that case.

Reviewed-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-11-19 14:12:29 -08:00