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* Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds2009-06-16
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (143 commits) USB: xhci depends on PCI. USB: xhci: Add Makefile, MAINTAINERS, and Kconfig entries. USB: xhci: Respect critical sections. USB: xHCI: Fix interrupt moderation. USB: xhci: Remove packed attribute from structures. usb; xhci: Fix TRB offset calculations. USB: xhci: replace if-elseif-else with switch-case USB: xhci: Make xhci-mem.c include linux/dmapool.h USB: xhci: drop spinlock in xhci_urb_enqueue() error path. USB: Change names of SuperSpeed ep companion descriptor structs. USB: xhci: Avoid compiler reordering in Link TRB giveback. USB: xhci: Clean up xhci_irq() function. USB: xhci: Avoid global namespace pollution. USB: xhci: Fix Link TRB handoff bit twiddling. USB: xhci: Fix register write order. USB: xhci: fix some compiler warnings in xhci.h USB: xhci: fix lots of compiler warnings. USB: xhci: use xhci_handle_event instead of handle_event USB: xhci: URB cancellation support. USB: xhci: Scatter gather list support for bulk transfers. ...
| * USB: usbtmc: fix switch statmentGreg Kroah-Hartman2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | Steve Holland pointed out that we forgot to call break; in the switch statment. This probably resolves a lot of the bug reports I've gotten for the driver lately. Stupid me... Reported-by: Steve Holland <sdh4@iastate.edu> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * USB: cdc-acm: quirk for Alcatel OT-I650Kir Kolyshkin2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | This mobile phone fails to work as a modem, failing with: cdc_acm: Zero length descriptor references cdc_acm: probe of 1-6.1.3:1.1 failed with error -22 Tested to work fine with this patch. Signed-off-by: Kir Kolyshkin <kir@openvz.org> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * USB: support for cdc-acm of single interface devicesOliver Neukum2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This implement support in cdc-acm for acm devices another popular OS can handle - adds support for autodetection of devices that use one interface - autodetection of endpoints - add a quirk for surpressing a setting that OS doesn't use - autoassume that quirk for single interface devices Signed-off-by: Oliver Neukum <oliver@neukum.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | Driver Core: usb: add nodename support for usb drivers.Kay Sievers2009-06-16
|/ | | | | | | | | | This adds support for USB drivers to report their requested nodename to userspace. It also updates a number of USB drivers to provide the needed subdirectory and device name to be used for them. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Jan Blunck <jblunck@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* tty: Clean up the ACM driver to CodingStyleAlan Cox2009-06-11
| | | | | | | | | | Or at least most of it. There are further clean ups possible and there are are also thing checkpatch moans about that would be silly to "fix". Also note some FIXME points found as the cleanup was done. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* tty: cdc_acm add krefsAlan Cox2009-06-11
| | | | | | | Now we have a port structure begin using the fields and kref counts Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* tty: Update cdc_acmAlan Cox2009-06-11
| | | | | | | | The CDC ACM driver uses the tty layer correctly so needs conversion. Start by adding and initializing the port structures. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* USB: Yet another Conexant Clone to add to cdc-acm.cXiao Kaijian2009-05-28
| | | | | | | | This patch adds another quirky Conexant USB Modem Clone to usb cdc-acm.c Signed-off-by: Xiao Kaijian <xiaokj@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: correct error handling in cdc-wdmOliver Neukum2009-04-23
| | | | | | | | | | | | | | | This patch to cdc-wdm - checks for partial extra descriptors - fixes a leak in the error case of probe - checks for an exact number of endpoints - adds a clarifying comment Signed-off-by: Oliver Neukum <oliver@neukum.org> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: fix oops in cdc-wdm in case of malformed descriptorsOliver Neukum2009-04-17
| | | | | | | | | | cdc-wdm needs to ignore extremely malformed descriptors. Signed-off-by: Oliver Neukum <oliver@neukum.org> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* cdc-acm: Fix long standing abuse of tty->low_latencyAlan Cox2009-04-14
| | | | | | | | | | | | | | ACM sets the low latency flag but calls the flip buffer routines from IRQ context which isn't permitted (and as of 2.6.29 causes a warning hence this one was caught) Fortunatelt ACM doesn't need to set this flag in the first place as it only set it to work around problems in ancient (pre tty flip rewrite) kernels. Reported-by: Chuck Ebbert <cebbert@redhat.com> Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* cdc-acm: zydas 1602 identifier neededAlan Cox2009-04-06
| | | | | | | Bugzilla #9095 and a couple of other confirmations Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* usb: Auto-load cdc_acm module when device opened.Scott James Remnant2009-04-06
| | | | | | | | | | | The cdc_acm module is missing the char-major-166-* alias that would cause it to be auto-loaded when a device of that type is opened. This patch adds the alias. Signed-off-by: Scott James Remnant <scott@canonical.com> Signed-off-by: Tim Gardner <tim.gardner@canonical.com> Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* usblp: continuously poll for statusPete Zaitcev2009-03-24
| | | | | | | | | | | | | | | | The usblp in 2.6.18 polled for status regardless if we actually needed it. At some point I dropped it, to save the batteries if nothing else. As it turned out, printers exist (e.g. Canon BJC-3000) that need prodding this way or else they stop. This patch restores the old behaviour. If you want to save battery, don't leave jobs in the print queue. I tested this on my printers by printing and examining usbmon traces to make sure status is being requested and printers continue to print. Tuomas Jäntti verified the fix on BJC-3000. Signed-off-by: Pete Zaitcev <zaitcev@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: usbtmc: add protocol 1 supportGreg Kroah-Hartman2009-03-17
| | | | | | | | | | | | The driver already supports the 1 protocol support, so just add it to the MODULE_DEVICE_TABLE entry so it properly picks up these devices. Thanks to Jouni Rynö for pointing this out. Reported-by: Jouni Ryno <Jouni.Ryno@fmi.fi> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: usbtmc: fix stupid bug in open()Greg Kroah-Hartman2009-03-17
| | | | | | | | | | | open() will never succeed, as we always return -ENODEV. Fix this obvious bug. Thanks to Jouni Ryno for reporting it. Reported-by: Jouni Ryno <Jouni.Ryno@fmi.fi> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: Quirk for Hummingbird huc56s / Conexant ACM modemAdam Richter2009-02-27
| | | | | | | Signed-off-by: Adam J. Richter <adam_richter2004@yahoo.com> Cc: Oliver Neukum <oliver@neukum.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: cdc-acm: add usb id for motomagx phonesDmitriy Taychenachev2009-02-27
| | | | | | | | | | | | | The Motorola MOTOMAGX phones (Z6, E8, Zn5 so far) are providing combined ACM/BLAN USB configuration. Since it has Vendor Specific class, the corresponding drivers (cdc-acm, zaurus) can't find it just by interface info. This patch adds usb id so the cdc-acm driver can properly handle this combined device. Signed-off-by: Dmitriy Taychenachev <dimichxp@gmail.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: cdc-acm.c: remove duplicate lines for MTK gps supportJames Treacy2009-02-09
| | | | | | | | | The same patch to add support for MTK gps loggers was submitted by two different people and applied twice. Remove the redundant lines. Signed-off-by: James Treacy <treacy@debian.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: cdc-acm: Add another conexant modem to the quirksAlan Cox2009-01-27
| | | | | | | | | Another Conexant, another device with the same quirk Signed-off-by: Alan Cox <alan@redhat.com> Acked-by: Oliver Neukum <oliver@neukum.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: usblp.c: add USBLP_QUIRK_BIDIR to Brother HL-1440Brandon Philips2009-01-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | My Brother HL-1440 would print one document before CUPS would stop printing with the error "Printer not connected; will retry in 30 seconds...". I traced this down to the CUPS usb backend getting an EIO out of usblp on the IOCNR_GET_DEVICE_ID IOCTL. Adding the USBLP_QUIRK_BIDIR fixes the problem but is it the right solution? output from strace /usr/lib/cups/backend/usb after printing a document (Note: SNDCTL_DSP_SYNC == IOCNR_GET_DEVICE_ID): before patch open("/dev/usb/lp0", O_RDWR|O_EXCL) = 3 ioctl(3, SNDCTL_DSP_SYNC, 0x7fff2478cef0) = -1 EIO (Input/output error) after patch open("/dev/usb/lp0", O_RDWR|O_EXCL) = 3 ioctl(3, SNDCTL_DSP_SYNC, 0x7fffb8d474c0) = 0 Possibly related bug: https://bugs.launchpad.net/ubuntu/+source/cupsys/+bug/35638 Signed-off-by: Brandon Philips <bphilips@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: CDC-ACM quirk for MTK GPSAndrew Lunn2009-01-27
| | | | | | | | | | | | | | This patch adds a device quirk for a MediaTek Inc GPS chipset. The device implements USB CDC ACM, but is missing the union descriptor, so the ACM class driver fails to probe the device. I've tested this patch with an iBlue A+ GPS which uses this chipset and using kernel 2.6.28-rc9. Signed-off-by: Andrew Lunn, <andrew@lunn.ch> Acked-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: cdc-acm: support some gps data loggersJames A. Treacy2009-01-27
| | | | | | | | | | | Below is a patch which allows a number of GPS loggers to work under linux. It is known to support the i-Blue 747 (all models), i-Blue 757, Qstarz BT-Q1000, i.Trek Z1, Konet BGL-32, and the Holux M-241. From: James A. Treacy <treacy@debian.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: Enhance usage of pm_message_tAlan Stern2009-01-07
| | | | | | | | | | | | | | | | | | | | | | This patch (as1177) modifies the USB core suspend and resume routines. The resume functions now will take a pm_message_t argument, so they will know what sort of resume is occurring. The new argument is also passed to the port suspend/resume and bus suspend/resume routines (although they don't use it for anything but debugging). In addition, special pm_message_t values are used for user-initiated, device-initiated (i.e., remote wakeup), and automatic suspend/resume. By testing these values, drivers can tell whether or not a particular suspend was an autosuspend. Unfortunately, they can't do the same for resumes -- not until the pm_message_t argument is also passed to the drivers' resume methods. That will require a bigger change. IMO, the whole Power Management framework should have been set up this way in the first place. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: usbtmc: indent & braces disagree, something else is desiredIlpo Järvinen2009-01-07
| | | | | | | | | | | | | It seems that there's rather involved way to say something which is commonly written in a plain simple form. Some type changes would probably be necessary to get gcc to do bitops instead of divide but it's no worse after my change than before I think. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: fix problem with usbtmc driver not loading properlyGreg Kroah-Hartman2008-12-17
| | | | | | | | | | | The usbtmc driver forgot to export its device table to userspace. Without this, it is never loaded properly when such a device is seen by the system. Cc: Marcel Janssen <marcel.janssen@admesy.nl> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: cdc-acm.c: fix recursive lock in acm_start_wb error pathBrandon Philips2008-11-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes an obvious bug in cdc-acm by avoiding a recursive lock on acm_start_wb()'s error path. Should apply towards 2.6.27 stable and 2.6.28. ============================================= [ INFO: possible recursive locking detected ] 2.6.27-2-pae #109 --------------------------------------------- python/31449 is trying to acquire lock: (&acm->write_lock){++..}, at: [<f89a0348>] acm_start_wb+0x5c/0x7b [cdc_acm] but task is already holding lock: (&acm->write_lock){++..}, at: [<f89a04fb>] acm_tty_write+0xe1/0x167 [cdc_acm] other info that might help us debug this: 2 locks held by python/31449: #0: (&tty->atomic_write_lock){--..}, at: [<c0260fae>] tty_write_lock+0x14/0x3b #1: (&acm->write_lock){++..}, at: [<f89a04fb>] acm_tty_write+0xe1/0x167 [cdc_acm] stack backtrace: Pid: 31449, comm: python Not tainted 2.6.27-2-pae #109 [<c030f42f>] ? printk+0xf/0x18 [<c0149f33>] __lock_acquire+0xc7b/0x1316 [<c014a63e>] lock_acquire+0x70/0x97 [<f89a0348>] ? acm_start_wb+0x5c/0x7b [cdc_acm] [<c0312109>] _spin_lock_irqsave+0x37/0x47 [<f89a0348>] ? acm_start_wb+0x5c/0x7b [cdc_acm] [<f89a0348>] acm_start_wb+0x5c/0x7b [cdc_acm] [<f89a055d>] acm_tty_write+0x143/0x167 [cdc_acm] [<c0262a98>] write_chan+0x1cd/0x297 [<c012527e>] ? default_wake_function+0x0/0xd [<c026111e>] tty_write+0x149/0x1b9 [<c02628cb>] ? write_chan+0x0/0x297 [<c01912c5>] ? rw_verify_area+0x76/0x98 [<c0260fd5>] ? tty_write+0x0/0x1b9 [<c01919ba>] vfs_write+0x8c/0x136 [<c0191afd>] sys_write+0x3b/0x60 [<c0103beb>] sysenter_do_call+0x12/0x3f ======================= Signed-off-by: Brandon Philips <bphilips@suse.de> Cc: Oliver Neukum <oliver@neukum.org> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: usbtmc: Use explicit unsigned type for input buffer instead of char*Chris Malley2008-10-29
| | | | | | | | | | | | Silences compiler warning about comparison with 0x80, and type now matches the corresponding _bulk_out function. drivers/usb/class/usbtmc.c: In function ‘usbtmc_ioctl_abort_bulk_in’: drivers/usb/class/usbtmc.c:163: warning: comparison is always false due to limited range of data type Signed-off-by: Chris Malley <mail@chrismalley.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: fix memory leak in cdc-acmOliver Neukum2008-10-22
| | | | | | | | | | | | This fixes a memory leak on disconnect in cdc-acm Thanks to 施金前 for finding it. Signed-off-by: Oliver Neukum <oneukum@suse.de> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: cdc-wdm: make module autoload workOliver Neukum2008-10-22
| | | | | | | | | | this fixes an omission that led to no alias being computed for the cdc-wdm module. Signed-off-by: Oliver Neukum <oneukum@suse.de> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: remove err() macro from usb class driversGreg Kroah-Hartman2008-10-17
| | | | | | | | | USB should not be having it's own printk macros, so remove err() and use the system-wide standard of dev_err() wherever possible. In the few places that will not work out, use a basic printk(). Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: remove info() macro from remaining usb driversGreg Kroah-Hartman2008-10-17
| | | | | | | | | | | USB should not be having it's own printk macros, so remove info() and use the system-wide standard of dev_info() wherever possible. In the few places that will not work out, use a basic printk(). Clean up the remaining usages of this in the drivers/usb/ directory. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* drivers/usb/class/usblp.c: adjust error handling codeJulia Lawall2008-10-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In this code, it is possible to tell statically whether usblp will be NULL in the error handling code. Oliver Neukum suggested to make a goto to the final return rather than return directly. The semantic match that finds this problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @@ identifier f,err,l,l1; type T; expression x,E; statement S; @@ x = NULL ... when != goto l1; * x = f(...) ... when != x err = E; goto l; ... * if (x != NULL) S return err; // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Cc: Pete Zaitcev <zaitcev@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: add USB test and measurement class driverGreg Kroah-Hartman2008-10-17
| | | | | | | | | | | | | | | | | | | This driver was originaly written by Stefan Kopp, but massively reworked by Greg for submission. Thanks to Felipe Balbi <me@felipebalbi.com> for lots of work in cleaning up this driver. Thanks to Oliver Neukum <oliver@neukum.org> for reviewing previous versions and pointing out problems. Cc: Stefan Kopp <stefan_kopp@agilent.com> Cc: Marcel Janssen <korgull@home.nl> Cc: Felipe Balbi <me@felipebalbi.com> Cc: Oliver Neukum <oliver@neukum.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: cdc-acm: don't unlock acm->mutex on error pathAlexey Dobriyan2008-08-21
| | | | | | | | | | | | | | | | | On Wed, Jul 23, 2008 at 03:52:36PM +0300, Andrei Popa wrote: > I installed gnokii-0.6.22-r2 and gave the command "gnokii --identify" > and the kernel oopsed: > > BUG: unable to handle kernel NULL pointer dereference at 00000458 > IP: [<c0444b52>] mutex_unlock+0x0/0xb > [<c03830ae>] acm_tty_open+0x4c/0x214 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Tested-by: Andrei Popa <andrei.popa@i-neo.ro> Cc: stable <stable@kernel.org> [2.6.25.x, 2.6.26.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: cdc-acm: quirk for Conexant CX93010 USB modemEric Sandeen2008-08-21
| | | | | | | | | | | This patch gets my Rosewill RNX-56USB USB modem (with Conexant CX93010 chipset) up and running to the point where I can send AT commands and retrieve caller ID data, which is all I want to do with it. Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Acked-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: cdc-acm: drain writes on closeDavid Brownell2008-08-13
| | | | | | | | | | | | | | | | | | | Add a mechanism to let the write queue drain naturally before closing the TTY, rather than always losing that data. There is a timeout, so it can't wait too long. Provide missing locking inside acm_wb_is_avail(); it matters more now. Note, this presumes an earlier patch was applied, removing a call to this routine where the lock was held. Slightly improved diagnostics on write URB completion, so we can tell when a write URB gets killed and, if so, how much data it wrote first ... and so that I/O path is normally silent (and can't much change timings). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: cdc-acm: stop dropping tx buffersDavid Brownell2008-08-13
| | | | | | | | | | | | | | | | | | | | The "increase cdc-acm write throughput" patch left in place two now-obsolete mechanisms, either of which can make the cdc-acm driver drop TX data (nasty!). This patch removes them: - The write_ready flag ... if an URB and buffer were found, they can (and should!) always be used. - TX path acm_wb_is_used() ... used when the buffer was just allocated, so that check is pointless. Also fix a won't-yet-matter leak of a write buffer on a disconnect path. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: David Engraf <david.engraf@netcom.eu> Acked-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: cdc-acm: bugfix release()David Brownell2008-08-13
| | | | | | | | | | | | | | | | | | | Bugfixes to the usb_driver_release_interface() usage; (a) make sure releasing *either* interface first will release the other, instead of insisting it be the control interface; (b) remove the recently-added self-deadlock. (The "fix disconnect bug in cdc-acm" patch was incomplete and incorrect.) Plus a small "sparse" fix: rename a local variable so it doesn't shadow a function parameter. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Acked-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: cdc-acm.c: Fix compile warningsTakashi Iwai2008-08-13
| | | | | | | | | | | | | The irq flags should be unsigned long. CC [M] drivers/usb/class/cdc-acm.o drivers/usb/class/cdc-acm.c: In function 'acm_waker': drivers/usb/class/cdc-acm.c:527: warning: comparison of distinct pointer types lacks a cast drivers/usb/class/cdc-acm.c:529: warning: comparison of distinct pointer types lacks a cast Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* tty: rework break handlingAlan Cox2008-07-22
| | | | | | | | | Some hardware needs to do break handling itself and may have partial support only. Make break_ctl return an error code. Add a tty driver flag so you can indicate driver hardware side break support. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* USB: fix build error in cdc-acm for CONFIG_PM=nOliver Neukum2008-07-21
| | | | | | | | Here's the fix. cdc-wdm has the same problem. The fix is the same. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: fix disconnect bug in cdc-acmOliver Neukum2008-07-21
| | | | | | | | | | cdc-acm must give up secondary interfaces if the primary is disconnected and vice versa. This wasn't done correctly. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: autosuspend for cdc-wdmOliver Neukum2008-07-21
| | | | | | | | | | | | this patch implements - suspend/resume - aggressive autosuspend for the cdc-wdm driver - pre/post_reset Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: additional power savings for cdc-acm devices that support remote wakeupOliver Neukum2008-07-21
| | | | | | | | | | | | | | this patch saves power for cdc-acm devices that support remote wakeup while the device is connected. - request needs_remote_wakeup when needed - delayed write while a device is autoresumed - the device is marked busy when appropriate Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: cdc-wdm cleanupOliver Neukum2008-07-21
| | | | | | | | | | - fixes an error with filling out control requests - increases grepability and error logging - fixes the short read code path Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: fix cdc-acm resume()Oliver Neukum2008-07-03
| | | | | | | | | | | cdc-acm has - a memory leak in resume() - will fail to reactivate the read code path if this is needed. his corrects it by deleting the useless relict code. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* cdc-wdm endianness fixesAl Viro2008-06-04
| | | | | | | | | | * wMaxPacketSize is le16; copying it to a field of local structure and then using that field as host-endian (size of object to be allocated) is broken. * bMaxPacketSize0 is 8-bit; feeding it to le16_to_cpu() is bogus and since the result is used as host-endian, it's not even misspelled cpu_to_le16(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* USB: CDC WDM driverOliver Neukum2008-05-20
| | | | | | Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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