Commit Graph

83905 Commits

Author SHA1 Message Date
Mitch Williams
fa3d9a6d55 igb: count Rx FIFO errors correctly
Don't aggregate rx_no_buffer_count into rx_fifo_errors. RNBC counts
packets that get queued temporarily in the adapter's FIFO. These
packets are not dropped and are not errors. The correct counter
is rx_missed_errors (MPC).

Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-23 23:19:56 -07:00
Michael Chan
1bf1e347ef bnx2: Use proper handler during netpoll.
Netpoll needs to call the proper handler depending on the IRQ mode
and the vector.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-23 23:19:56 -07:00
Benjamin Li
4327ba435a bnx2: Fix netpoll crash.
The bnx2 driver calls netif_napi_add() for all the NAPI structs during
->probe() time but not all of them will be used if we're not in MSI-X
mode.  This creates a problem for netpoll since it will poll all the
NAPI structs in the dev_list whether or not they are scheduled, resulting
in a crash when we access structure fields not initialized for that vector.

We fix it by moving the netif_napi_add() call to ->open() after the number
of IRQ vectors has been determined.

Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-23 23:19:55 -07:00
Jens Rottmann
4881a4f89a ksz884x: fix return value of netdev_set_eeprom
ksz884x: fix return value of netdev_set_eeprom

netdev_set_eeprom() confused ethtool by just returning 1 on error
instead of a proper -EINVAL.

Signed-off-by: Jens Rottmann <JRottmann@LiPPERTEmbedded.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-23 13:06:15 -07:00
Eric Anholt
6e6c822868 drm/i915: Stop trying to use ACPI lid status to determine LVDS connection.
I've been getting more and more quirk reports about this.  It seems
clear at this point that other OSes are not using this for determining
whether the integrated panel should be turned on, and it is not
reliable for doing so.  Better to light up an unintended panel than to
not light up the only usable output on the system.

Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-03-23 12:12:49 -07:00
Dominik Brodowski
9713ab28ec pcmcia: do not use ioports < 0x100 on x86
On x86 systems using ACPI _CRS information -- now the default for
post-2008 systems -- the PCI root bus no longer pretends to be
offering the root ioport_resource. To avoid accidentally hitting
some platform / system device, use only I/O ports >= 0x100 for
PCMCIA devices on x86.

Reported-by: Komuro <komurojun-mbn@nifty.com>
CC: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2010-03-23 18:55:23 +01:00
Komuro
5cbb2b941d pd6729: Coding Style fixes
Signed-off-by: Komuro <komurojun-mbn@nifty.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2010-03-23 16:33:55 +01:00
Tejun Heo
332ac7ff77 libata-sff: fix spurious IRQ handling
Commit 27943620cb introduced spurious
IRQ handling but it has a race condition where valid completion can be
lost while trying to clear spurious IRQ leading to occassional command
timeouts.

This patch improves SFF interrupt handler such that

1. Once BMDMA HSM is stopped, the condition is never considered
   spurious.  As there's no way to resume stopped BMDMA HSM, if device
   status doesn't agree with BMDMA status, the only way out is
   aborting the command (otherwise, it will just end up timing out).

2. ap->ops->sff_check_status() can be safely called to clear spurious
   device IRQ as it atomically returns completion status but BMDMA IRQ
   status can't be cleared in safe way if command is in flight.  After
   a spurious IRQ, call ap->ops->sff_irq_clear() only if the
   respective device is idle and retry completion if
   sff_check_status() indicates command completion.

Please note that ata_piix uses bmdma_status for sff_irq_check() and #2
won't weaken spurious IRQ handling even with in-flight command because
if bmdma_status indicates IRQ pending but device status is not on
spurious check, the next IRQ handler invocation will abort the command
due to #1.

This fixes bko#15537.

   https://bugzilla.kernel.org/show_bug.cgi?id=15537

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Andrew Benton <b3nton@gmail.com>
Cc: Petr Uzel <petr.uzel@centrum.cz>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2010-03-23 09:39:08 -04:00
Guennadi Liakhovetski
0a60a210ed SH: remove superfluous warning from the serial driver
This warning has been introduced during the SCI DMA support developmenr and is
not needed any more.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-03-23 13:33:51 +09:00
Guennadi Liakhovetski
d7bbf7f50e SH: fix SCIFA SCASCR register bit definitions
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-03-23 13:33:45 +09:00
Magnus Damm
8d099d4446 serial: sh-sci: fix SH-Mobile SH breakage
The follwing commit breaks SH-Mobile on non-ARM platforms:
"8a77b8d serial: sh-sci: Support ARM-based SH-Mobile CPUs."

The commit assumed that CONFIG_ARCH_SHMOBILE only was set
on ARM platforms, but it turns out that this kconfig is also
set by all SH-based SoCs. Sh7724 and other older SH-Mobile
SoCs are all broken without this fix.

This patch converts the "defined(CONFIG_ARCH_SHMOBILE)" into
one "defined()" per SoC model - similar to existing SH code.

Reported-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-03-23 13:23:15 +09:00
Eric W. Biederman
688328c7ec netxen: The driver doesn't work on NX_P3_B1 so cause probe to fail.
I haven't been able to get link up on a NX_P3_B1 since 2.6.31.  The
driver complains about a firmware hang instead.  When I asked I was
told rev 0x41 was a preproduction rev.  So disable support in the
driver so no one is surprised the code doesn't work.

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-22 20:32:38 -07:00
Mike Frysinger
21afc27c9f can: bfin_can: switch to common Blackfin can header
The MMR bits are being moved to this header, so include it.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-22 20:05:45 -07:00
JosephChan@via.com.tw
4f1deba435 pata_via: Add VIA VX900 support
Signed-off-by: Joseph Chan <josephchan@via.com.tw>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2010-03-22 22:44:17 -04:00
Wolfram Sang
8b4709ecea regulator: fix dangling pointers
Fix I2C-drivers which missed setting clientdata to NULL before freeing the
structure it points to. Also fix drivers which do this _after_ the structure
was freed already.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2010-03-22 19:46:16 +00:00
Axel Lin
451a73cd46 lp3971: Fix BUCK_VOL_CHANGE_SHIFT logic
Given x=0,1,2, current implementation of BUCK_VOL_CHANGE_SHIFT(x) returns 0,4,8.
The correct return value should be 0,4,6.
This patch fix the logic.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2010-03-22 19:44:45 +00:00
Axel Lin
cdb868f581 lp3971: Fix setting val for LDO2 and LDO4
In lp3971_ldo_set_voltage function, it requires val to left shift 4
bits for LDO2 and LDO4.
This patch fix this issue.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2010-03-22 19:44:44 +00:00
Ameya Palande
4f26a2abe1 regulator: Get rid of lockdep warning
WARNING: at kernel/lockdep.c:2706 sysfs_add_file_mode+0x4c/0xa8()

Difference between v1 and v2:
Moved sysfs_attr_init() call as first one to access the structure.

Signed-off-by: Ameya Palande <ameya.palande@nokia.com>
CC: Liam Girdwood <lrg@slimlogic.co.uk>
CC: Mark Brown <broonie@opensource.wolfsonmicro.com>
CC: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2010-03-22 19:44:44 +00:00
Dan Carpenter
67e46f347e regulator: handle kcalloc() failure
Return -ENOMEM if kcalloc() fails

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2010-03-22 19:44:44 +00:00
Dmitry Torokhov
3fff6c04d8 Regulators: max8925-regulator - clean up driver data after removal
It is a good tone to reset driver data after unbinding the device.
Also change find_regulator_info() fro inline to __devinit - let compiler
figure out if it wants it to be inlined or not.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2010-03-22 19:44:44 +00:00
Linus Torvalds
7b1f513aac Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
  virtio: console: Check if port is valid in resize_console
  virtio: console: Generate a kobject CHANGE event on adding 'name' attribute
2010-03-22 10:03:51 -07:00
Linus Torvalds
258152acc0 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: (38 commits)
  ip_gre: include route header_len in max_headroom calculation
  if_tunnel.h: add missing ams/byteorder.h include
  ipv4: Don't drop redirected route cache entry unless PTMU actually expired
  net: suppress lockdep-RCU false positive in FIB trie.
  Bluetooth: Fix kernel crash on L2CAP stress tests
  Bluetooth: Convert debug files to actually use debugfs instead of sysfs
  Bluetooth: Fix potential bad memory access with sysfs files
  netfilter: ctnetlink: fix reliable event delivery if message building fails
  netlink: fix NETLINK_RECV_NO_ENOBUFS in netlink_set_err()
  NET_DMA: free skbs periodically
  netlink: fix unaligned access in nla_get_be64()
  tcp: Fix tcp_mark_head_lost() with packets == 0
  net: ipmr/ip6mr: fix potential out-of-bounds vif_table access
  KS8695: update ksp->next_rx_desc_read at the end of rx loop
  igb: Add support for 82576 ET2 Quad Port Server Adapter
  ixgbevf: Message formatting cleanups
  ixgbevf: Shorten up delay timer for watchdog task
  ixgbevf: Fix VF Stats accounting after reset
  ixgbe: Set IXGBE_RSC_CB(skb)->DMA field to zero after unmapping the address
  ixgbe: fix for real_num_tx_queues update issue
  ...
2010-03-22 10:01:58 -07:00
Borislav Petkov
5b89d2f9ac edac, mce: Filter out invalid values
Print the CPU associated with the error only when the field is valid.

Cc: <stable@kernel.org> # .32.x .33.x
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2010-03-22 16:33:31 +01:00
Dan Carpenter
e3396b263c pxa168fb: fix incorrect resource calculation
The size calculation is not correct.  It should be end - start + 1.
Use resource_size() to caculate it.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
2010-03-22 20:30:17 +08:00
Amit Shah
2de16a493c virtio: console: Check if port is valid in resize_console
The console port could have been hot-unplugged. Check if it is valid
before working on it.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-03-22 14:24:55 +02:00
Amit Shah
ec64213c4d virtio: console: Generate a kobject CHANGE event on adding 'name' attribute
When the host lets us know what 'name' a port is assigned, we create the
sysfs 'name' attribute. Generate a 'change' event after this so that
udev wakes up and acts on the rules for virtio-ports (currently there's
only one rule that creates a symlink from the 'name' to the actual char
device).

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-03-22 14:24:53 +02:00
David S. Miller
af98441397 Merge branch 'vhost' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost 2010-03-20 14:41:01 -07:00
Yegor Yefremov
ea93fd9456 KS8695: update ksp->next_rx_desc_read at the end of rx loop
There is no need to adjust the next rx descriptor after each packet,
so do it only once at the end of the routine.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
2010-03-19 22:43:29 -07:00
Carolyn Wyborny
b894fa2627 igb: Add support for 82576 ET2 Quad Port Server Adapter
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-19 21:11:35 -07:00
Greg Rose
29b8dd024b ixgbevf: Message formatting cleanups
Clean up some text output formatting.

Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-19 21:00:45 -07:00
Greg Rose
4c3a822395 ixgbevf: Shorten up delay timer for watchdog task
The recovery from PF reset works better when you shorten up the delay
until the watchdog task executes.

Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-19 21:00:45 -07:00
Greg Rose
33bd9f601e ixgbevf: Fix VF Stats accounting after reset
The counters in the 82599 Virtual Function are not clear on read.  They
accumulate to the maximum value and then roll over.  They are also not
cleared when the VF executes a soft reset, so it is possible they are
non-zero when the driver loads and starts.  This has all been accounted
for in the code that keeps the stats up to date but there is one case
that is not.  When the PF driver is reset the counters in the VF are
all reset to zero.  This adds an additional accounting overhead into
the VF driver when the PF is reset under its feet.  This patch adds
additional counters that are used by the VF driver to accumulate and
save stats after a PF reset has been detected.  Prior to this patch
displaying the stats in the VF after the PF has reset would show
bogus data.

Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-19 21:00:44 -07:00
Mallikarjuna R Chilakala
fd3686a842 ixgbe: Set IXGBE_RSC_CB(skb)->DMA field to zero after unmapping the address
As per Simon Horman's feedback set IXGBE_RSC_CB(skb)->dma to zero
after unmapping HWRSC DMA address to avoid double freeing.

Signed-off-by:  Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-19 21:00:44 -07:00
Vasu Dev
936332b8e0 ixgbe: fix for real_num_tx_queues update issue
Currently netdev_features_change is called before fcoe tx queues
setup is done, so this patch moves calling of netdev_features_change
after tx queues setup is done in ixgbe_init_interrupt_scheme, so
that real_num_tx_queues is updated correctly on each fcoe enable
or disable.

This allows additional fcoe queues updated correctly in vlan driver
for their correct queue selection.

Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-19 21:00:43 -07:00
Linus Torvalds
e4d806377b Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
  serial: sh-sci: remove duplicated #include
  sh: Export uncached helper symbols.
  sh: Fix up NUMA build for 29-bit.
  serial: sh-sci: Fix build failure for non-sh architectures.
  sh: Fix up uncached offset for legacy 29-bit mode.
  sh: Support CPU affinity masks for INTC controllers.
2010-03-19 18:16:20 -07:00
Linus Torvalds
b50df7d1fb Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb
* 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb:
  uwb: remove duplicate cpu_to_le16()
  uwb: declare MODULE_FIRMWARE() in i1480 DFU driver
  uwb: make USB device id table constant
  uwb: wlp: refactor wlp_get_<attribute>() macros
2010-03-19 18:14:22 -07:00
Linus Torvalds
cf3966bf6e Merge branch 'zerolen' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6
* 'zerolen' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6:
  Delete zero-length file drivers/mtd/maps/omap_nor.c
2010-03-19 13:42:00 -07:00
Linus Torvalds
8dba8f9494 Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6:
  tty_port,usb-console: Fix usb serial console open/close regression
  tty: cpm_uart: use resource_size()
  tty_buffer: Fix distinct type warning
  hvc_console: Fix race between hvc_close and hvc_remove
  uartlite: Fix build on sparc.
  tty: Take a 256 byte padding into account when buffering below sub-page units
  Revert "tty: Add a new VT mode which is like VT_PROCESS but doesn't require a VT_RELDISP ioctl call"
2010-03-19 13:40:03 -07:00
Linus Torvalds
2eb645e7b5 Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6:
  driver core: numa: fix BUILD_BUG_ON for node_read_distance
  driver-core: document ERR_PTR() return values
  kobject: documentation: Update to refer to kset-example.c.
  sysdev: the cpu probe/release attributes should be sysdev_class_attributes
  kobject: documentation: Fix erroneous example in kobject doc.
  driver-core: fix missing kernel-doc in firmware_class
  Driver core: Early platform kernel-doc update
  sysfs: fix sysfs lockdep warning in mlx4 code
  sysfs: fix sysfs lockdep warning in infiniband code
  sysfs: fix sysfs lockdep warning in ipmi code
  sysfs: Initialised pci bus legacy_mem field before use
  sysfs: use sysfs_bin_attr_init in firmware class driver
2010-03-19 13:39:42 -07:00
Linus Torvalds
8fdb7e9f61 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: (45 commits)
  USB: gadget/multi: cdc_do_config: remove redundant check
  usb: r8a66597-hcd: fix removed from an attached hub
  USB: xhci: Make endpoint interval debugging clearer.
  USB: Fix usb_fill_int_urb for SuperSpeed devices
  USB: cp210x: Remove double usb_control_msg from cp210x_set_config
  USB: Remove last bit of CONFIG_USB_BERRY_CHARGE
  USB: gadget: add gadget controller number for s3c-hsotg driver
  USB: ftdi_sio: Fix locking for change_speed() function
  USB: g_mass_storage: fixed module name in Kconfig
  USB: gadget: f_mass_storage::fsg_bind(): fix error handling
  USB: g_mass_storage: fix section mismatch warnings
  USB: gadget: fix Blackfin builds after gadget cleansing
  USB: goku_udc: remove potential null dereference
  USB: option.c: Add Pirelli VID/PID and indicate Pirelli's modem interface is 0xff
  USB: serial: Fix module name typo for qcaux Kconfig entry.
  usb: cdc-wdm: Fix deadlock between write and resume
  usb: cdc-wdm: Fix order in disconnect and fix locking
  usb: cdc-wdm:Fix loss of data due to autosuspend
  usb: cdc-wdm: Fix submission of URB after suspension
  usb: cdc-wdm: Fix race between disconnect and debug messages
  ...
2010-03-19 13:39:21 -07:00
Dean Nelson
7c9e2b1c47 PCI: cleanup error return for pcix get and set mmrbc functions
pcix_get_mmrbc() returns the maximum memory read byte count (mmrbc), if
successful, or an appropriate error value, if not.

Distinguishing errors from correct values and understanding the meaning of an
error can be somewhat confusing in that:

	correct values: 512, 1024, 2048, 4096
	errors: -EINVAL  			-22
 		PCIBIOS_FUNC_NOT_SUPPORTED	0x81
		PCIBIOS_BAD_VENDOR_ID		0x83
		PCIBIOS_DEVICE_NOT_FOUND	0x86
		PCIBIOS_BAD_REGISTER_NUMBER	0x87
		PCIBIOS_SET_FAILED		0x88
		PCIBIOS_BUFFER_TOO_SMALL	0x89

The PCIBIOS_ errors are returned from the PCI functions generated by the
PCI_OP_READ() and PCI_OP_WRITE() macros.

In a similar manner, pcix_set_mmrbc() also returns the PCIBIOS_ error values
returned from pci_read_config_[word|dword]() and pci_write_config_word().

Following pcix_get_max_mmrbc()'s example, the following patch simply returns
-EINVAL for all PCIBIOS_ errors encountered by pcix_get_mmrbc(), and -EINVAL
or -EIO for those encountered by pcix_set_mmrbc().

This simplification was chosen in light of the fact that none of the current
callers of these functions are interested in the specific type of error
encountered. In the future, should this change, one could simply create a
function that maps each PCIBIOS_ error to a corresponding unique errno value,
which could be called by pcix_get_max_mmrbc(), pcix_get_mmrbc(), and
pcix_set_mmrbc().

Additionally, this patch eliminates some unnecessary variables.

Cc: stable@kernel.org
Signed-off-by: Dean Nelson <dnelson@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-03-19 12:41:48 -07:00
Dean Nelson
bdc2bda7c4 PCI: fix access of PCI_X_CMD by pcix get and set mmrbc functions
An e1000 driver on a system with a PCI-X bus was always being returned
a value of 135 from both pcix_get_mmrbc() and pcix_set_mmrbc(). This
value reflects an error return of PCIBIOS_BAD_REGISTER_NUMBER from
pci_bus_read_config_dword(,, cap + PCI_X_CMD,).

This is because for a dword, the following portion of the PCI_OP_READ()
macro:

	if (PCI_##size##_BAD) return PCIBIOS_BAD_REGISTER_NUMBER;

expands to:

	if (pos & 3) return PCIBIOS_BAD_REGISTER_NUMBER;

And is always true for 'cap + PCI_X_CMD', which is 0xe4 + 2 = 0xe6. ('cap' is
the result of calling pci_find_capability(, PCI_CAP_ID_PCIX).)

The same problem exists for pci_bus_write_config_dword(,, cap + PCI_X_CMD,).
In both cases, instead of calling _dword(), _word() should be called.

Cc: stable@kernel.org
Signed-off-by: Dean Nelson <dnelson@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-03-19 12:40:22 -07:00
Paul Mundt
ded1d8f29b PCI: kill off pci_register_set_vga_state() symbol export.
When pci_register_set_vga_state() was made __init, the EXPORT_SYMBOL() was
retained, which now leaves us with a section mismatch.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Cc: Mike Travis <travis@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-03-19 12:38:18 -07:00
Dean Nelson
25daeb550b PCI: fix return value from pcix_get_max_mmrbc()
For the PCI_X_STATUS register, pcix_get_max_mmrbc() is returning an incorrect
value, which is based on:

	(stat & PCI_X_STATUS_MAX_READ) >> 12

Valid return values are 512, 1024, 2048, 4096, which correspond to a 'stat'
(masked and right shifted by 21) of 0, 1, 2, 3, respectively.

A right shift by 11 would generate the correct return value when 'stat' (masked
and right shifted by 21) has a value of 1 or 2. But for a value of 0 or 3 it's
not possible to generate the correct return value by only right shifting.

Fix is based on pcix_get_mmrbc()'s similar dealings with the PCI_X_CMD register.

Cc: stable@kernel.org
Signed-off-by: Dean Nelson <dnelson@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-03-19 12:36:51 -07:00
Jeff Garzik
17cf444249 Delete zero-length file drivers/mtd/maps/omap_nor.c
The content was deleted in cc87edb173,
but the file remained as a zero-length file.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2010-03-19 14:25:45 -04:00
Peter Korsgaard
4cb80cda51 USB: gadget/multi: cdc_do_config: remove redundant check
cdc_do_config() had a double ret check after fsg_add().

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:24 -07:00
Yoshihiro Shimoda
d835933436 usb: r8a66597-hcd: fix removed from an attached hub
fix the problem that when a USB hub is attached to the r8a66597-hcd and
a device is removed from that hub, it's likely that a kernel panic follows.

Reported-by: Markus Pietrek <Markus.Pietrek@emtrion.de>
Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:24 -07:00
Sarah Sharp
9ce669a892 USB: xhci: Make endpoint interval debugging clearer.
The xHCI hardware can only handle polling intervals that are a power of
two.  When we add a new endpoint during a bandwidth allocation, and the
polling interval is rounded down to a power of two, print the original
polling interval in the endpoint descriptor.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:24 -07:00
Matthew Wilcox
f09a15e6e6 USB: Fix usb_fill_int_urb for SuperSpeed devices
USB 3 and Wireless USB specify a logarithmic encoding of the endpoint
interval that matches the USB 2 specification.  usb_fill_int_urb() didn't
know that and was filling in the interval as if it was USB 1.1.  Fix
usb_fill_int_urb() for SuperSpeed devices, but leave the wireless case
alone, because David Vrabel wants to keep the old encoding.

Update the struct urb kernel doc to note that SuperSpeed URBs must have
urb->interval specified in microframes.

Add a missing break statement in the usb_submit_urb() interrupt URB
checking, since wireless USB and SuperSpeed USB encode urb->interval
differently.  This allows xHCI roothubs to actually register with khubd.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:23 -07:00
Michael Brunner
e549a17f69 USB: cp210x: Remove double usb_control_msg from cp210x_set_config
This patch removes a double usb_control_msg that sets the cp210x
configuration registers a second time when calling cp210x_set_config.
For data sizes >2 the second write gets corrupted.
The patch has been created against 2.6.34-rc1, but all cp210x driver
revisions are affected.

Signed-off-by: Michael Brunner <mibru@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:23 -07:00
Christoph Egger
7f56cfd253 USB: Remove last bit of CONFIG_USB_BERRY_CHARGE
One last bit was missed while removing the USB_BERRY_CHARGE config
option in a8d4211f33 which gets dropped
by this patch.

Signed-off-by: Christoph Egger <siccegge@stud.informatik.uni-erlangen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:22 -07:00
Maurus Cuelenaere
83ba11d934 USB: gadget: add gadget controller number for s3c-hsotg driver
This prevents some drivers from complaining that no bcdDevice id was set.

Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:22 -07:00
Alessio Igor Bogani
9c67d28e4e USB: ftdi_sio: Fix locking for change_speed() function
The change_speed() function should be serialized against multiple calls.
Use the cfg_lock mutex to do this.

Signed-off-by: Alessio Igor Bogani <abogani@texware.it>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:21 -07:00
Michal Nazarewicz
11b10d9994 USB: g_mass_storage: fixed module name in Kconfig
The Kconfig help message for Mass Storage Gadget claimed the
module will be named "g_file_storage" whereas it should be
"g_mass_storage".

Signed-off-by: Michal Nazarewicz <m.nazarewicz@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:21 -07:00
Peter Korsgaard
f479d70b4f USB: gadget: f_mass_storage::fsg_bind(): fix error handling
Contrary to the comment in fsg_add, fsg_bind calls fsg_unbind on errors,
which decreases refcount and frees the fsg_dev structure, causing trouble
when fsg_add does the same.

Fix it by simply leaving up cleanup to fsg_add().

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Acked-by: Michal Nazarewicz <m.nazarewicz@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:20 -07:00
Mike Frysinger
f88f6691b7 USB: g_mass_storage: fix section mismatch warnings
The recent commit (0e530b4578) that moved usb_ep_autoconfig from the
__devinit section to the __init section missed the mass storage device.
Its fsg_bind() function uses the usb_ep_autoconfig() function from non
__init context leading to:
WARNING: drivers/usb/gadget/g_mass_storage.o(.text): Section mismatch in
	reference from the function _fsg_bind()
	            to the function .init.text:_usb_ep_autoconfig()

So move fsg_bind() into __init as well.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:19 -07:00
Mike Frysinger
f2984a333f USB: gadget: fix Blackfin builds after gadget cleansing
The recent change to clean out dead gadget drivers (90f7976880)
missed the call to gadget_is_musbhsfc() behind CONFIG_BLACKFIN.  This
causes Blackfin gadget builds to fail since the function no longer
exists anywhere.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:19 -07:00
Dan Carpenter
872f8b4254 USB: goku_udc: remove potential null dereference
"dev" is always null here.  In the end it's only used to get the
pci_name() of "pdev" which is redundant information and so I
removed it.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:19 -07:00
spark
33c387529b USB: option.c: Add Pirelli VID/PID and indicate Pirelli's modem interface is 0xff
Signed-off-by: spark <spark@bandrich.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:18 -07:00
Stefan Schmidt
510607db7e USB: serial: Fix module name typo for qcaux Kconfig entry.
The module is called qcaux and not moto_modem. Also use help instead of
---help-- to be in sync with the other Kconfig entries.

Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:18 -07:00
Oliver Neukum
338124c1f1 usb: cdc-wdm: Fix deadlock between write and resume
The new runtime PM scheme allows resume() to have no locks.
This fixes the deadlock.

Signed-off-by: Oliver Neukum <neukum@b1-systems.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:17 -07:00
Oliver Neukum
d93d16e9aa usb: cdc-wdm: Fix order in disconnect and fix locking
- as the callback can schedule work, URBs must be killed first
- if the driver causes an autoresume, the caller must handle locking

Signed-off-by: Oliver Neukum <neukum@b1-systems.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:17 -07:00
Oliver Neukum
62e6685470 usb: cdc-wdm:Fix loss of data due to autosuspend
The guarding flag must be set and tested under spinlock
and cleared before the URBs are resubmitted in resume.

Signed-off-by: Oliver Neukum <neukum@b1-systems.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:16 -07:00
Oliver Neukum
beb1d35f16 usb: cdc-wdm: Fix submission of URB after suspension
There's a window under which cdc-wdm may submit
an URB to a device about to be suspended. This
introduces a flag to prevent it.

Signed-off-by: Oliver Neukum <neukum@b1-systems.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:16 -07:00
Oliver Neukum
d855fe2e9c usb: cdc-wdm: Fix race between disconnect and debug messages
dev_dbg() and dev_err() cannot be used to report failures
that may have been caused by a device's removal

Signed-off-by: Oliver Neukum <neukum@b1-systems.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:15 -07:00
Oliver Neukum
922a5eadd5 usb: cdc-wdm: Fix race between autosuspend and reading from the device
While an available response is read the device must not
be autosuspended. This requires a flag dedicated to that
purpose.

Signed-off-by: Oliver Neukum <neukum@b1-systems.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:15 -07:00
Oliver Neukum
860e41a71c usb: cdc-wdm: Fix race between write and disconnect
Unify mutexes to fix a race between write and disconnect
and shift the test for disconnection to always report it.

Signed-off-by: Oliver Neukum <neukum@b1-systems.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:14 -07:00
Felipe Balbi
aa4714560b usb: musb: core: declare mbase only where it's used
... and avoid a compilation if we disable host side
of musb.

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:14 -07:00
Mike Frysinger
7f4bca4049 USB: musb: fix warnings in Blackfin regs
The recent commit "usb: musb: Add context save and restore support" added
some stubs for the Blackfin code so things would compile, but it also
added a bunch of warnings due to missing return statements.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:13 -07:00
Mike Frysinger
adb3ee421d usb: musb: abstract out ULPI_BUSCONTROL register reads/writes
The USB PHY on current Blackfin processors is a UTMI+ level 2 PHY.
However, it has no ULPI support - so there are no registers at all.
That means accesses to ULPI_BUSCONTROL have to be abstracted away
like other MUSB registers.

This fixes building for Blackfin parts again.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Anand Gadiyar <gadiyar@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:13 -07:00
Tony Lindgren
9957dd97ec usb: musb: Fix compile error for omaps for musb_hdrc
CONFIG_ARCH_OMAP34XX is now CONFIG_ARCH_OMAP3.

But since drivers/usb/musb/omap2430.c use CONFIG_PM for these
registers and functions, do the same for the header.

Otherwise we get the following for most omap3 defconfigs:

drivers/usb/musb/omap2430.c:261: error: expected identifier or '(' before 'do'
drivers/usb/musb/omap2430.c:261: error: expected identifier or '(' before 'while'
drivers/usb/musb/omap2430.c:268: error: expected identifier or '(' before 'do'
drivers/usb/musb/omap2430.c:268: error: expected identifier or '(' before 'while'

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:12 -07:00
Grant Likely
fa7bf3424e usb/gadget: fix compile error on r8a66597-udc.c
C file uses IS_ERR and PTR_ERR, but doesn't include <linux/err.h>

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:12 -07:00
Nathaniel McCallum
3b04872aa7 USB: option: add support for a new CMOTECH device to usb/serial/option
Signed-off-by: Nathaniel McCallum <nathaniel@natemccallum.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:11 -07:00
Nathaniel McCallum
bb73ed2a26 USB: option: move hardcoded PID to a macro in usb/serial/option
Signed-off-by: Nathaniel McCallum <nathaniel@natemccallum.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:10 -07:00
Nathaniel McCallum
eaff4cdc97 USB: option: fix incorrect manufacturer name in usb/serial/option: MAXON->CMOTECH
Signed-off-by: Nathaniel McCallum <nathaniel@natemccallum.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:10 -07:00
Daniel Sangorrin
dee5658b48 USB: serial: ftdi: add CONTEC vendor and product id
This is a patch to ftdi_sio_ids.h and ftdi_sio.c that adds identifiers for
CONTEC USB serial converter.  I tested it with the device COM-1(USB)H

[akpm@linux-foundation.org: keep the VIDs sorted a bit]
Signed-off-by: Daniel Sangorrin <daniel.sangorrin@gmail.com>
Cc: Andreas Mohr <andi@lisas.de>
Cc: Radek Liboska <liboska@uochb.cas.cz>
Cc: stable <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:09 -07:00
Andiry Xu
1d68064a7d USB: xHCI: re-initialize cmd_completion
When a signal interrupts a Configure Endpoint command, the cmd_completion used
in xhci_configure_endpoint() is not re-initialized and the
wait_for_completion_interruptible_timeout() will return failure. Initialize
cmd_completion in xhci_configure_endpoint().

Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:09 -07:00
Alex Chiang
bc75fa3825 USB: xhci: rename driver to xhci_hcd
Naming consistency with other USB HCDs.

Signed-off-by: Alex Chiang <achiang@hp.com>
Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:08 -07:00
Sonic Zhang
ae926976ac USB: musb: fix build error introduced by isoc change
The recent commit "usb: musb: Fix for isochronous IN transfer" (f82a689fa)
seems to have been against an older kernel version.  It uses the old style
naming of variables.  Unfortunately, this breaks building for most MUSB
users out there since "bDesiredMode" has been renamed to "desired_mode".

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Felipe Balbi <felipe.balbi@nokia.com>
Acked-by: Anand Gadiyar <gadiyar@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:08 -07:00
Bernhard Rosenkraenzer
0725e95ea5 USB: qcserial: add new device ids
This patch adds various USB device IDs for Gobi 2000 devices, as found in the
drivers available at https://www.codeaurora.org/wiki/GOBI_Releases

Signed-off-by: Bernhard Rosenkraenzer <bero@arklinux.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:07 -07:00
Oliver Neukum
f0730924e9 USB: cdc-acm: Fix stupid NULL pointer in resume()
Stupid logic bug passing a just nulled pointer

Signed-off-by: Oliver Neukum <neukum@b1-systems.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:06 -07:00
Clemens Ladisch
1082f57abf USB: EHCI: adjust ehci_iso_stream for changes in ehci_qh
The EHCI driver stores in usb_host_endpoint.hcpriv a pointer to either
an ehci_qh or an ehci_iso_stream structure, and uses the contents of the
hw_info1 field to distinguish the two cases.

After ehci_qh was split into hw and sw parts, ehci_iso_stream must also
be adjusted so that it again looks like an ehci_qh structure.

This fixes a NULL pointer access in ehci_endpoint_disable() when it
tries to access qh->hw->hw_info1.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Reported-by: Colin Fletcher <colin.m.fletcher@googlemail.com>
Cc: stable <stable@kernel.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:06 -07:00
Clemens Ladisch
92bc3648e6 USB: EHCI: fix ITD list order
When isochronous URBs are shorter than one frame and when more than one
ITD in a frame has been completed before the interrupt can be handled,
scan_periodic() completes the URBs in the order in which they are found
in the descriptor list.  Therefore, the descriptor list must contain the
ITDs in the correct order, i.e., a new ITD must be linked in after any
previous ITDs of the same endpoint.

This should fix garbled capture data in the USB audio drivers.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Reported-by: Colin Fletcher <colin.m.fletcher@googlemail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:05 -07:00
Huang Ying
bf162019b7 USB: Option: Add support for a variant of DLink DWM 652 U5
I found a DLink DWM 652 U5 USB 3G modem has product ID 0xce1e instead
of orignal 0xce16. The new ID is added.

And I found there are two entries for 0xce16, one has raw number, the
other has symbol DLINK_PRODUCT_DWM_652_U5. This is fixed too.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:04 -07:00
Ondrej Zary
cd0e8aa1f4 USB: unusual_devs.h: Fix capacity for SL11R-IDE 2.6c
SL11R-IDE 2.6c (at least) reports wrong capacity (one sector more).
Reading that last sector causes the device not to work anymore (and looks
like HAL or something does that automatically after plugging in):
sd 5:0:0:0: [sdc] Device not ready
sd 5:0:0:0: [sdc] Result: hostbyte=0x00 driverbyte=0x08
sd 5:0:0:0: [sdc] Sense Key : 0x2 [current]
sd 5:0:0:0: [sdc] ASC=0x0 ASCQ=0x0
sd 5:0:0:0: [sdc] CDB: cdb[0]=0x28: 28 00 04 a8 b5 70 00 00 01 00

Add unusual_devs entry to fix the capacity.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Phil Dibowitz <phil@ipom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:04 -07:00
Johan Hovold
eb8878a881 USB: serial: use port endpoint size to determine if ep is available
It is possible to have a multi-port device with a port lacking an in or
out bulk endpoint. Only checking for num_bulk_in or num_bulk_out is thus not
sufficient to determine whether a specific port has an in or out bulk
endpoint.

This fixes potential null pointer dereferences in the generic open and
write routines, as well as access to uninitialised fifo in write_room
and chars_in_buffer.

Also let write fail with ENODEV (instead of 0) on missing out endpoint
(also on zero-length writes).

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:03 -07:00
Johan Hovold
6313620228 USB: serial: fix softint not being called on errors
Make sure usb_serial_port_softint is called on errors also when using
multi urb writes.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:03 -07:00
Johan Hovold
0ae1474367 USB: serial: fix error message on close in generic driver
Resubmitting read urb fails with -EPERM if completion handler runs while
urb is being killed on close. This should not be reported as an error.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:02 -07:00
Alan Stern
7152b59259 USB: fix usbfs regression
This patch (as1352) fixes a bug in the way isochronous input data is
returned to userspace for usbfs transfers.  The entire buffer must be
copied, not just the first actual_length bytes, because the individual
packets will be discontiguous if any of them are short.

Reported-by: Markus Rechberger <mrechberger@gmail.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:24:02 -07:00
Jason Wessel
336cee42dd tty_port,usb-console: Fix usb serial console open/close regression
Commit e1108a63e1 ("usb_serial: Use the
shutdown() operation") breaks the ability to use a usb console
starting in 2.6.33.  This was observed when using
console=ttyUSB0,115200 as a boot argument with an FTDI device.  The
error is:

ftdi_sio ttyUSB0: ftdi_submit_read_urb - failed submitting read urb, error -22

The handling of the ASYNCB_INITIALIZED changed in 2.6.32 such that in
tty_port_shutdown() it always clears the flag if it is set.  The fix
is to add a variable to the tty_port struct to indicate when the tty
port is a console.

CC: Alan Cox <alan@linux.intel.com>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Oliver Neukum <oliver@neukum.org>
CC: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:17:57 -07:00
Tobias Klauser
2314436658 tty: cpm_uart: use resource_size()
Use the resource_size function instead of manually calculating the
resource size.  This reduces the chance of introducing off-by-one errors.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Kumar Gala <galak@gate.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:17:56 -07:00
Fang Wenqi
d4bee0a677 tty_buffer: Fix distinct type warning
CC      drivers/char/tty_buffer.o
drivers/char/tty_buffer.c: In function ‘tty_insert_flip_string_fixed_flag’:
drivers/char/tty_buffer.c:251: warning: comparison of distinct pointer types lacks a cast
drivers/char/tty_buffer.c: In function ‘tty_insert_flip_string_flags’:
drivers/char/tty_buffer.c:288: warning: comparison of distinct pointer types lacks a cast

Fix it by replacing min() with min_t() in tty_insert_flip_string_flags and
					  tty_insert_flip_string_fixed_flag().

Signed-off-by: Fang Wenqi <antonf@turbolinux.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:17:55 -07:00
Amit Shah
e74d098c66 hvc_console: Fix race between hvc_close and hvc_remove
Alan pointed out a race in the code where hvc_remove is invoked. The
recent virtio_console work is the first user of hvc_remove().

Alan describes it thus:

The hvc_console assumes that a close and remove call can't occur at the
same time.

In addition tty_hangup(tty) is problematic as tty_hangup is asynchronous
itself....

So this can happen

        hvc_close                               hvc_remove
        hung up ? - no
                                                lock
                                                tty = hp->tty
                                                unlock
        lock
        hp->tty = NULL
        unlock
        notify del
        kref_put the hvc struct
        close completes
        tty is destroyed
                                                tty_hangup dead tty
                                                tty->ops will be NULL
                                                NULL->...

This patch adds some tty krefs and also converts to using tty_vhangup().

Reported-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
CC: Alan Cox <alan@lxorguk.ukuu.org.uk>
CC: linuxppc-dev@ozlabs.org
CC: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:17:54 -07:00
David Miller
f157b58511 uartlite: Fix build on sparc.
We can get this driver enabled via MFD_TIMBERDALE which only
requires GPIO to be on.

But the of_address_to_resource() function is only present on
powerpc and microblaze, so we have to conditionalize the
CONFIG_OF probing bits on that.

Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:17:54 -07:00
Greg Kroah-Hartman
87a6aca504 Revert "tty: Add a new VT mode which is like VT_PROCESS but doesn't require a VT_RELDISP ioctl call"
This reverts commit eec9fe7d1a.

Ari writes as the reason this should be reverted:
	The problems with this patch include:
	1. There's at least one subtlety I overlooked - switching
	between X servers (i.e. from one X VT to another) still requires
	the cooperation of both X servers. I was assuming that KMS
	eliminated this.
	2. It hasn't been tested at all (no X server patch exists which
	uses the new mode).

As he was the original author of the patch, I'll revert it.

Cc: Ari Entlich <atrigent@ccs.neu.edu>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:17:52 -07:00
David Rientjes
12ee3c0a0a driver core: numa: fix BUILD_BUG_ON for node_read_distance
node_read_distance() has a BUILD_BUG_ON() to prevent buffer overruns when
the number of nodes printed will exceed the buffer length.

Each node only needs four chars: three for distance (maximum distance is
255) and one for a seperating space or a trailing newline.

Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:12:22 -07:00
Jani Nikula
f0eae0ed3b driver-core: document ERR_PTR() return values
A number of functions in the driver core return ERR_PTR() values on
error. Document this in the kernel-doc of the functions.

Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:12:21 -07:00
Stephen Rothwell
67fc233f4f sysdev: the cpu probe/release attributes should be sysdev_class_attributes
This fixes these warnings:

drivers/base/cpu.c:264: warning: initialization from incompatible pointer type
drivers/base/cpu.c:265: warning: initialization from incompatible pointer type

Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:12:19 -07:00
Randy Dunlap
e59817bf08 driver-core: fix missing kernel-doc in firmware_class
Fix kernel-doc warning in firmware_class.c:

Warning(drivers/base/firmware_class.c:94): No description found for parameter 'attr'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:12:16 -07:00
Magnus Damm
4d26e139f0 Driver core: Early platform kernel-doc update
This patch updates the kernel-doc notation for early
platform functions.

Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-19 07:12:16 -07:00