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SL811 Device detected after removal used to be working in linux-2.6.22
but then broke somewhere between 2.6.22 and 2.6.28. Current
hub_port_connect_change() in drivers/usb/core/hub.c won't call
usb_disconnect() in case the SL811 driver sets portstatus
USB_PORT_FEAT_CONNECTION upon removal.
AFAIK the SL811 has only a combined Device Insert/Remove
detection bit, therefore use a count to distinguish insert or remove.
Signed-Off-By: Michael Hennerich <hennerich@blackfin.uclinux.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Some devices from the OpenDCC project are missing in the list
of the FTDI PIDs. These PIDs are listed at
http://www.opendcc.de/elektronik/usb/opendcc_usb.html
(Sorry for the german only page.)
This patch adds the three missing devices.
Signed-off-by: Rainer Keller <mail@rainerkeller.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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cdc-acm needs to set a flag during open to tell the
tty layer that the device is initialized
Signed-off-by: Oliver Neukum <oliver@neukum.org>
Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: Paul Martin <pm@debian.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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support for O_NONBLOCK in read and write path
by simply not waiting for data in read or availability
of the write urb in write but returning -EAGAIN
Signed-off-by: Oliver Neukum <oliver@neukum.org>
Tested-by: Marcel Holtmann <marcel@holtmann.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Add ID for Telit UC-864G GPS/UMTS/WCDMA modem and GPS receiver
to the option driver.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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A few days ago i got the latest ZTE EVDO modem shown at:
http://img.alibaba.com/photo/240150115/ZTE_AC2726_EVDO_USB_Data_Modem.jpg
It seems that the latest kernel does not have support for it.
I wrote a small patch for the options.c module to add the relevant usb
ids to it.
From: Huzaifa Sidhpurwala <sidhpurwala.huzaifa@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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I'd like to present my small patch enabling to use Sanwa PC5000
mulitimeter with linux.
Signed-off-by: Pawel Ludwikow <pludwiko@rab.ict.pwr.wroc.pl>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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I'd like to present my small patch enabling to use Hameg HM8143 programmable
power supply with linux.
Signed-off-by: Pawel Ludwikow <pludwiko@rab.ict.pwr.wroc.pl>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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In the resume path of a block driver GFP_NOIO must be used to
avoid a possible deadlock. The onetouch subdriver of storage violates
the requirement.
Signed-off-by: Oliver Neukum <oliver@neukum.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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We can use alloc_page() instead of get_zeroed_page() and virt_to_page()
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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We still assume the Guest and Host have the same PAGE_OFFSET settings,
but now we don't assume 0xC0000000.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Matias Zabaljauregui <zabaljauregui@gmail.com>
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If we're building a pte, we can use simple assigment; only use set_pte
etc. when we're actually going to use that destination as a PTE. I
don't know that we'll ever run under Xen, but it's neater.
And use set_pte/set_pmd rather than assuming native_ versions, even
though that's probably true for most people.
(Includes compile fix by Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Matias Zabaljauregui <zabaljauregui@gmail.com>
Cc: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
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Recent qemu has added a VIRTIO_BLK_F_FLUSH flag to advertise that the
virtual disk has a volatile write cache that needs to be flushed. In case
we see this feature implement tell the Linux block layer about the fact
and use the new VIRTIO_BLK_T_FLUSH to flush the cache when required. This
allows for an correct and simple implementation of write barriers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Virtio IDs are spread all over the tree which makes assigning new IDs
bothersome. Putting them together should make the process less error-prone.
Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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This API change means that virtio_net can tell how much capacity
remains for buffers. It's necessarily fuzzy, since
VIRTIO_RING_F_INDIRECT_DESC means we can fit any number of descriptors
in one, *if* we can kmalloc.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Dinesh Subhraveti <dineshs@us.ibm.com>
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1) Rename vp_request_vectors to vp_request_msix_vectors, and take
non-MSI-X case out to caller.
2) Comment weird pci_enable_msix API
3) Rename vp_find_vq to setup_vq.
4) Fix spaces to tabs
5) Make nvectors calc internal to vp_try_to_find_vqs()
6) Rename vector to msix_vector for more clarity.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx into for-linus
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Recently Jens has changed bio_rw_flagged() logic by following
commit 1f98a13f623e0ef666690a18c1250335fc6d7ef1. Now it returns
bool instead of int. This broke raid1/raid10 RW bits manipulation logic.
One of visible result is BUG_ON triggering due to empty barrier
here scsi_lib.c:1108 scsi_setup_fs_cmnd()
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: NeilBrown <neilb@suse.de>
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Recent commit bbba809e96539672f775a3d70102657d05816a5b
replaced mempool_create_kzalloc_pool with mempool_create_kmalloc_pool
plus a memset.
This memset is not needed (and we didn't need kzalloc in the first
place).
Ever field of the allocated structure (struct multipath_bh) is
initialised immediately except retry_list, and memset does not
initial a list_head anyway.
To remove the memset.
Signed-off-by: NeilBrown <neilb@suse.de>
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This should writeback from coming when the device is temporarily
suspended.
Signed-off-by: NeilBrown <neilb@suse.de>
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The management thread for raid4,5,6 arrays are all called
mdX_raid5, independent of the actual raid level, which is wrong and
can be confusion.
So change md_register_thread to use the name from the personality
unless no alternate name (like 'resync' or 'reshape') is given.
This is simpler and more correct.
Cc: Jinzc <zhenchengjin@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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There was a real error here on a failure path where we
incorrectly call rcu_read_unlock.
Signed-off-by: NeilBrown <neilb@suse.de>
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Rename some variable and remove some duplicate definitions
to avoid there warnings. None of them are actual errors.
Signed-off-by: NeilBrown <neilb@suse.de>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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This version only supports individual cells (no slide support yet).
The code has been tested on proprietary development ARM board, but
should work fine on other machines.
Signed-off-by: Raphael Derosso Pereira <raphaelpereira@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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During a page fault and rebinding the buffer there exists a window for a
signal to arrive during the i915_wait_request() and trigger a
ERESTARTSYS. This used to be handled by returning SIGBUS and thereby
killing the application. Try 'cairo-perf-trace & cairo-test-suite' and
watch X go boom!
The solution as suggested by H. Peter Anvin is to simply return NOPAGE and
leave the higher layers to spot we did not fill the page and resubmit
the page fault.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
[anholt: Mostly squash it with another commit]
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compilation
As reported by Ingo Molnar:
Here's another new build breakage that triggers in -tip testing:
drivers/built-in.o:(.data+0xb1f40): undefined reference to `dib0070_ctrl_agc_filter'
drivers/built-in.o:(.data+0xb1f80): undefined reference to `dib0070_ctrl_agc_filter'
triggers due to:
CONFIG_DVB_USB_DIB0700=y
CONFIG_DVB_TUNER_DIB0070 is not set
While working on a better approach, for now, let's just select tuner
dib0070 anytime we compile dib0700.
Cc: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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As pointed by Marcin Slusarz <marcin.slusarz@gmail.com>, the warns happens
because CONFIG_DVB_MAX_ADAPTERS depends on CONFIG_DVB_CORE, and there are
valid configs where DVB_CORE is not selected.
This causes such warnings, for every V4L and common drivers that may or
may not be compiled with DVB support:
drivers/media/dvb/dvb-core/dvbdev.h:36:2: warning: #warning invalid CONFIG_DVB_MAX_ADAPTERS value
We can safely remove the warning.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Compatibility code is not allowed upstream. While this could
eventually be useful by out-of-tree compilation, directly from
http://linuxtv.org/hg/v4l-dvb tree, the compatibility code is at
the wrong place. In a matter of fact, it is not needed at all, since
compat.h already handles such things.
Cc: Pete <pete@sensoray.com>
Cc: Douglas Schilling Landgraf <dougsland@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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[agd5f: also fix the non-kms path]
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
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having these separate was pointless and introduced a bug when
one got updated without the other.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Only allow the user to mmap buffers that have not been marked as
purgeable.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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In order to correctly prevent the invalid reuse of a purged buffer, we
need to track such events and warn the user before something bad
happens.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Whilst cleaning up the patches for submission, I mis-classified non-dirty
objects as purgeable. This was causing the backing pages for those
objects to be evicted under memory-pressure, discarding valid and
unreplaceable texture data.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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As evict_something() is called by routines that do not repeatedly search
again, try harder in the initial search to find an object that matches
the request.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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First the routine attempted to unlock a mutex it did not own along the
error path.
Secondly the routine should never be called on any list but the inactive
one, since we attempt to unbind those objects, so fix the calling semantics.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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By adding tracepoint equivalents for WATCH_BUF/EXEC we are able to monitor
the lifetimes of objects, requests and significant events. These events can
then be probed using the tracing frameworks, such as systemtap and, in
particular, perf.
For example to record the stack trace for every GPU stall during a run, use
$ perf record -e i915:i915_gem_request_wait_begin -c 1 -g
And
$ perf report
to view the results.
[Updated to fix compilation issues caused.]
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Ben Gamari <bgamari@gmail.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/power/wm97xx_battery.c
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-tip testing found that the x86 build (64-bit allyesconfig) fails due to:
LD vmlinux.o
drivers/built-in.o:(.bss+0x4b648): multiple definition of `debug'
arch/x86/built-in.o:(.kprobes.text+0x88): first defined here
ld: Warning: size of symbol `debug' changed from 90 in
arch/x86/built-in.o to 4 in drivers/built-in.o
make: *** [vmlinux.o] Error 1
This is because recent saa7164 changes introduced a global symbol
named 'debug'. The x86 platform code already defines a 'debug'
symbol. (which is named in a too generic way as well - but it
can be used nicely to weed out too generic symbols in drivers ;-)
Rename it to saa_debug.
[mchehab@redhat.com: use module_param_named to preserve old name]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Add FEC support for MX25 processor.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The iSCSI ring should be shutdown during uio_close instead of uio_open
for proper operations. This fixes the problem of the ring getting
stuck intermittently.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch add the driver for the SoC CAN controller in Atmel's
AT91SAM9263.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Usbnet framework assumes USB hardware doesn't handle zero length
packets, but SMSC LAN95xx requires these to be sent for correct
operation.
This patch fixes an easily reproducible tx lockup when sending a frame
that results in exactly 512 bytes in a USB transmission (e.g. a UDP
frame with 458 data bytes, due to IP headers and our USB headers). It
adds an extra flag to usbnet for the hardware driver to indicate that
it can handle and requires the zero length packets.
This patch should not affect other usbnet users, please also consider
for -stable.
Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After commit 2b980dbd77d229eb60588802162c9659726b11f4
("lsm: Add hooks to the TUN driver") tun_set_iff doesn't
return -EINVAL though neither IFF_TUN nor IFF_TAP is set.
Signed-off-by: Kusanagi Kouichi <slash@ma.neweb.ne.jp>
Reviewed-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This was introduced by b93d58 "8139*: convert printk() to pr_<foo>()":
[ 2256252443 ] <6>8139cp: 10/100 PCI Ethernet driver v1.3 (Mar 22, 2004)
The "version" string is printed using pr_info(), so it doesn't need to
include a loglevel.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
CC: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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