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This patch converts the inode semaphore to a mutex. I have tested it on
XFS and compiled as much as one can consider on an ia64. Anyway your
luck with it might be different.
Modified-by: Ingo Molnar <mingo@elte.hu>
(finished the conversion)
Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Here's a small patch with a few tiny fixups for the EHCI Kconfig help
text. Please consider applying.
Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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Additionally, one comment was reformulated by Joe Perches <joe@perches.com>.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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Signed-off-by: Adrian Bunk <bunk@stusta.de>
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This moves the 32 bit ioctl compatibility handlers for
Video4Linux into a new file and adds explicit calls to them
to each v4l device driver.
Unfortunately, there does not seem to be any code handling
the v4l2 ioctls, so quite often the code goes through two
separate conversions, first from 32 bit v4l to 64 bit v4l,
and from there to 64 bit v4l2. My patch does not change
that, so there is still much room for improvement.
Also, some drivers have additional ioctl numbers, for
which the conversion should be handled internally to
that driver.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
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Some long time ago, dentry struct was carefully tuned so that on 32 bits
UP, sizeof(struct dentry) was exactly 128, ie a power of 2, and a multiple
of memory cache lines.
Then RCU was added and dentry struct enlarged by two pointers, with nice
results for SMP, but not so good on UP, because breaking the above tuning
(128 + 8 = 136 bytes)
This patch reverts this unwanted side effect, by using an union (d_u),
where d_rcu and d_child are placed so that these two fields can share their
memory needs.
At the time d_free() is called (and d_rcu is really used), d_child is known
to be empty and not touched by the dentry freeing.
Lockless lookups only access d_name, d_parent, d_lock, d_op, d_flags (so
the previous content of d_child is not needed if said dentry was unhashed
but still accessed by a CPU because of RCU constraints)
As dentry cache easily contains millions of entries, a size reduction is
worth the extra complexity of the ugly C union.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Cc: Dipankar Sarma <dipankar@in.ibm.com>
Cc: Maneesh Soni <maneesh@in.ibm.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: "Paul E. McKenney" <paulmck@us.ibm.com>
Cc: Ian Kent <raven@themaw.net>
Cc: Paul Jackson <pj@sgi.com>
Cc: Al Viro <viro@ftp.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: Neil Brown <neilb@cse.unsw.edu.au>
Cc: James Morris <jmorris@namei.org>
Cc: Stephen Smalley <sds@epoch.ncsc.mil>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Include fixes for 2.6.14-git11. Should allow to remove sched.h from
module.h on i386, x86_64, arm, ia64, ppc, ppc64, and s390. Probably more
to come since I haven't yet checked the other archs.
Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This is needs to be visible to other architectures using the AMBA
bus and peripherals.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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We should use the i2c_driver.driver's .name and .owner fields
instead of the i2c_driver's ones.
This patch updates the drivers/media/video and usb/media drivers.
Signed-off-by: Laurent Riffard <laurent.riffard@free.fr>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Michael Hanselmann <linux-kernel@hansmi.ch>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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callback
Unify the EVENT_CARD_INSERTION and "attach" callbacks to one unified
probe() callback. As all in-kernel drivers are changed to this new
callback, there will be no temporary backwards-compatibility. Inside a
probe() function, each driver _must_ set struct pcmcia_device
*p_dev->instance and instance->handle correctly.
With these patches, the basic driver interface for 16-bit PCMCIA drivers
now has the classic four callbacks known also from other buses:
int (*probe) (struct pcmcia_device *dev);
void (*remove) (struct pcmcia_device *dev);
int (*suspend) (struct pcmcia_device *dev);
int (*resume) (struct pcmcia_device *dev);
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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The linked list of devices managed by each PCMCIA driver is, in very most
cases, unused. Therefore, remove it from many drivers.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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Unify the "detach" and REMOVAL_EVENT handlers to one "remove" function.
Old functionality is preserved, for the moment.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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Move the suspend and resume methods out of the event handler, and into
special functions. Also use these functions for pre- and post-reset, as
almost all drivers already do, and the remaining ones can easily be
converted.
Bugfix to include/pcmcia/ds.c
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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Trivial manual merge fixup for usb_find_interface clashes.
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Leave the overloaded "hotplug" word to susbsystems which are handling
real devices. The driver core does not "plug" anything, it just exports
the state to userspace and generates events.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Prevents a compiler warning and uses down_interruptible() instead of down() in
process context.
Signed-off-by: Sam Bishop <sam@bishop.dhs.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix buffer size limiting.
Signed-off-by: Olav Kongas <ok@artecdesign.ee>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix usb_find_interface. You cannot case pointers to int and long on
a big-endian 64-bitter without consequences.
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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I looked at the userspace code which uses the LPIOC_GET_DEVICE_ID ioctl
and I almost went blind. Let's export it in sysfs instead, and just as a
string instead of with a big-endian length at the beginning of it.
This also prints the message about finding the printer _after_ we know
the minor device number it's going to have, rather than reporting all
printers as 'usblp0'.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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From: David Woodhouse <dwmw2>
David has a G5 with a printer. I am quite surprised that nobody else noticed
this before. Linus has a G5. Hackers hate printing in general, maybe.
We do not use BKL anymore, because one of code paths had a sleeping call,
so we had to use a semaphore. I am sure it's safe to use unlocked_ioctl.
The new ioctls return long and retval is int. It looks completely fine to me.
We never want these extra bits, and the sign extension ought to work right.
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Noticed that my zd1201 adapter isn't "seen" by hal and NetworkManager.
The problem seems to be that unlike other network device drivers I
checked, zd1201 does not do a SET_NETDEV_DEV(), which makes it so a
"device" symlink is created under /sys/class/net/wlan0.
With the following patch the device symlink shows up, and now I am
happily using NetworkManager to control the adapter:
$ ls -l /sys/class/net/wlan0
total 0
-r--r--r-- 1 root root 4096 Dec 18 13:42 address
-r--r--r-- 1 root root 4096 Dec 18 13:42 addr_len
-r--r--r-- 1 root root 4096 Dec 18 13:42 broadcast
-r--r--r-- 1 root root 4096 Dec 18 13:42 carrier
lrwxrwxrwx 1 root root 0 Dec 18 13:42 device -> ../../../devices/pci0001:10/0001:10:1b.1/usb4/4-1
-r--r--r-- 1 root root 4096 Dec 18 13:42 features
Signed-off-by: Nathan Lynch <ntl@pobox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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this introduces limits whose lack in the skeleton driver someone recently
complained about.
Signed-off-by: Oliver Neukum <oliver@neukum.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fedora users complain that passing "nousbstorage" to the installer causes
the rest of the USB support to disappear. The installer uses kernel command
line as a way to pass options through Syslinux. The problem stems from the
use of strncmp() in obsolete_checksetup().
I used __module_param_call() instead of module_param because I wanted to
preserve the old syntax in grub.conf, and it's the only macro which allows
to remove the prefix.
The fix is tested to accept the option "nousb" correctly now.
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Attached patch adds device IDs for the Linksys USB200M Rev 2 device
which uses the AX88772 chipset.
Signed-off-by: David Hollis <dhollis@davehollis.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Alan Stern pointed out there was an ordering issue in unusual_devs.h,
and this patch fixes it.
Signed-off-by: Phil Dibowitz <phil@ipom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Removed unused variable
Signed-off-by: Daniel Marjamäki <daniel.marjamaki@comhem.se>
Signed-off-by: Olav Kongas <ok@artecdesign.ee>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Remove kmalloc() return value casts that we don't need from
drivers/usb/*
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch adds vendor and product IDs to the ftdi_sio driver's device
ID table for two devices from teratronik.de. The device IDs were
submitted by O. Wölfelschneider of Teratronik Elektronische Systeme
GmbH.
The charset of the patch is latin-1, same as the original files.
Please apply, thanks! (I've tried to avoid a clash with Andrew Morton's
patch to add support for Posiflex PP-7700 printer to the same driver.)
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This little patch adds recognition of Posiflex PP-7000 retail printer to
ftdo_sio module. The printer uses FT232BM bridge programmed with custom
VID/PID. The patch posted to lkml and sf.net was for 2.6.11.1 kernel,
here is one reworked for 2.6.12.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Summary: Driver for ATI/Philips USB RF remotes
This is a new input driver for ATI/Philips USB RF remotes (eg. ATI
Remote Wonder II).
Signed-off-by: Ville Syrjälä <syrjala@sci.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove
duplicates of ARRAY_SIZE. Some trailing whitespaces are also removed.
Patch is compile-tested on i386.
Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as621) fixes a local variable conflict I accidently
introduced into usb_set_configuration.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Bugs involving the REPORT LUNS SCSI-3 command are much easier to track
down if usb-storage displays the command's name, rather than "(Unknown
command)".
Signed-off-by: Paul Walmsley <paul@booyaka.com>
Cc: <mdharm-usb@one-eyed-alien.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch adds another usb-storage subdriver, which supports two fairly
old dual-XD/SmartMedia reader-writers (USB1.1 devices).
This driver was written by Daniel Drake <dsd@gentoo.org> -- he notes
that he wrote this driver without specs, however a vendor-supplied GPL
driver for the previous generation of products ("sma03") did prove to be
quite useful, as did the sddr09 driver which also has to deal with
low-level physical block layout on SmartMedia.
The original patch has been reformed by me, as it clashed with the
libusual patches.
We really need to consolidate some of this common SmartMedia code, and
get together with the MTD guys to share it with them as well.
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is the third of three patches to prepare the sddr09 subdriver for
conversion to the Sim-SCSI framework. This patch (as596) moves the
computation of the LBA to the start of the read/write routines, so that
addresses completely beyond the end of the device can be detected and
reported differently from transfers that are partially within the
device's capacity.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Andries Brouwer <Andries.Brouwer@cwi.nl>
Signed-off-by: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is the second of three patches to prepare the sddr09 subdriver for
conversion to the Sim-SCSI framework. This patch (as595) updates the
code to use standard error values for return codes instead of our
special-purpose USB_STOR_TRANSPORT_... codes. The reverse update is
then needed in the transport routine, but with the Sim-SCSI framework
that routine will go away.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Andries Brouwer <Andries.Brouwer@cwi.nl>
Signed-off-by: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is the first of three patches to prepare the sddr09 subdriver for
conversion to the Sim-SCSI framework. This patch (as594) straightens
out the initialization procedures and headers:
Some ugly code from usb.c was moved into sddr09.c.
Set-up of the private data structures was moved into the
initialization routine.
The connection between the "dpcm" version and the standalone
version was clarified.
A private declaration was moved from a header file into the
subdriver's .c file.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Andries Brouwer <Andries.Brouwer@cwi.nl>
Signed-off-by: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The OneTouch subdriver submits its own interrupt URB for notifications
about button presses. Consequently it needs to know about suspend and
resume events, so it can cancel or restart the URB.
This patch (as593) adds a hook to struct us_data, to be used for
notifying subdrivers about Power Management events, and it implements
the hook in the OneTouch driver.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Nick Sillik <n.sillik@temple.edu>
Signed-off-by: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Alan Stern pointed out that (in 2.6 kernel) one successful submission results
in one callback, even for ISO-out transfers. Thus, the silly check can be
removed from usbmon. This reduces the amount of garbage printed in case
of ISO and Interrupt transfers.
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as615b) edits a large number of comments in the uhci-hcd code,
mainly removing excess apostrophes.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as616) changed the uhci_explen macro in uhci-hcd.h so that
it now accepts the desired length, rather than length - 1 with special
handling for 0. This also fixes a minor bug that would show up only
when a driver submits a 0-length bulk URB.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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They deal with wrapping correctly and are nicer to read.
Signed-off-by: Marcelo Feitoza Parisi <marcelo@feitoza.com.br>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Minimum data length must be UART_STATE + 1, as data[UART_STATE] is being
accessed for the new line_state. Although PL-2303 hardware is not
expected to send data with exactly UART_STATE length, this keeps it on
the safe side.
Signed-off-by: Horst Schirmeier <horst@schirmeier.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch adds an unusual_devs.h entry for NIKON Coolpix 2000 camera
wich cause error: "Not Ready: Medium not present"
Works fine with th patched kernel...
Here are the informations in /proc/bus/usb/devices:
T: Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=04b0 ProdID=0301 Rev= 0.10
S: Manufacturer=NIKON
S: Product=NIKON DSC E2000
C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 3 Cls=08(stor.) Sub=06 Prot=50
Driver=usb-storage
E: Ad=01(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=83(I) Atr=03(Int.) MxPS= 8 Ivl=16ms
Signed-off-by: Fabien COSSE <fabien.cosse@wanadoo.fr>
Signed-off-by: Phil Dibowitz <phil@ipom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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