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path: root/drivers/usb
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2006-03-21Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (81 commits) [PATCH] USB: omninet: fix up debugging comments [PATCH] USB serial: add navman driver [PATCH] USB: Fix irda-usb use after use [PATCH] USB: rtl8150 small fix [PATCH] USB: ftdi_sio: add Icom ID1 USB product and vendor ids [PATCH] USB: cp2101: add new device IDs [PATCH] USB: fix check_ctrlrecip to allow control transfers in state ADDRESS [PATCH] USB: vicam.c: fix a NULL pointer dereference [PATCH] USB: ZC0301 driver bugfix [PATCH] USB: add support for Creativelabs Silvercrest USB keyboard [PATCH] USB: storage: new unusual_devs.h entry: Mitsumi 7in1 Card Reader [PATCH] USB: storage: unusual_devs.h entry 0420:0001 [PATCH] USB: storage: another unusual_devs.h entry [PATCH] USB: storage: sandisk unusual_devices entry [PATCH] USB: fix initdata issue in isp116x-hcd [PATCH] USB: usbcore: usb_set_configuration oops (NULL ptr dereference) [PATCH] USB: usbcore: Don't assume a USB configuration includes any interfaces [PATCH] USB: ub 03 drop stall clearing [PATCH] USB: ub 02 remove diag [PATCH] USB: ub 01 remove first_open ...
2006-03-20[PATCH] USB: omninet: fix up debugging commentsGreg Kroah-Hartman
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB serial: add navman driverGreg Kroah-Hartman
Thanks to Warren Lewis <wlewis@scn.org> for the information needed to write the driver and for testing it out. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: rtl8150 small fixPetko Manolov
This one is about announcing the device registration after the last check has been made. From: Petko Manolov <petkan@nucleusys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: ftdi_sio: add Icom ID1 USB product and vendor idsA. Maitland Bottoms
The Icom ID-1 1.2 GHz band digital transceiver is a new radio that has a USB interface. With this patch, the ftdi_sio driver will report "Detected FT8U232AM" and provide a serial device interface. Signed-off-by: "A. Maitland Bottoms" <bottoms@debian.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: cp2101: add new device IDsCraig Shelley
This patch adds a new device ID to the cp2101 driver Signed-off-by: Craig Shelley <craig@microtron.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: fix check_ctrlrecip to allow control transfers in state ADDRESSHorst Schirmeier
check_ctrlrecip() disallows any control transfers if the device is deconfigured (in configuration 0, ie. state ADDRESS). This for example makes it impossible to read the device descriptors without configuring the device, although most standard device requests are allowed in this state by the spec. This patch allows control transfers for the ADDRESS state, too. Signed-off-by: Horst Schirmeier <horst@schirmeier.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: vicam.c: fix a NULL pointer dereferenceAdrian Bunk
This patch fixes a NULL pointer dereference spotted by the Coverity checker. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: ZC0301 driver bugfixLuca Risolia
ZC0301 driver bugfix. Use correct PID/VID USB entries. Signed-off-by: Luca Risolia <luca.risolia@studio.unibo.it> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: add support for Creativelabs Silvercrest USB keyboardWolfgang Rohdewald
Signed-off-by: Wolfgang Rohdewald <wolfgang@rohdewald.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: storage: new unusual_devs.h entry: Mitsumi 7in1 Card ReaderRodolfo Quesada
This patch (as661) adds an unusual_devs entry for the Mitsumi 7in1 Card Reader. From: Rodolfo Quesada <rquesada@roqz.net> Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: storage: unusual_devs.h entry 0420:0001Pete Zaitcev
Ref https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=176584 Signed-off-by: Phil Dibowitz <phil@ipom.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: storage: another unusual_devs.h entryPete Zaitcev
Signed-off-by: Phil Dibowitz <phil@ipom.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: storage: sandisk unusual_devices entryPhil Dibowitz
The following adds an unusual_devs entry for the SanDisk ImageMate CompactFlash USB drive, for the US_FL_FIX_CAPACITY flag. Additionally, it removes trailing whitespace from the previous entry. It's based on the patch sent by Roman Hodek <roman@hodek.net>. Signed-off-by: Phil Dibowitz <phil@ipom.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: fix initdata issue in isp116x-hcdGreg Kroah-Hartman
As found by Sam's scripts. Cc: Sam Ravnborg <sam@ravnborg.org> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: usbcore: usb_set_configuration oops (NULL ptr dereference)Horst Schirmeier
When trying to deconfigure a device via usb_set_configuration(dev, 0), 2.6.16-rc kernels after 55c527187c9d78f840b284d596a0b298bc1493af oops with "Unable to handle NULL pointer dereference at...". This is due to an unchecked dereference of cp in the power budget part. Signed-off-by: Horst Schirmeier <horst@schirmeier.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: usbcore: Don't assume a USB configuration includes any interfacesAlan Stern
In a couple of places, usbcore assumes that a USB device configuration will have a nonzero number of interfaces. Having no interfaces may or may not be allowed by the USB spec; in any event we shouldn't die if we encounter such a thing. This patch (as662) removes the assumptions. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: UHCI: Increase port-reset completion delay for HP controllersAlan Stern
This patch (as657) increases the port-reset completion delay in uhci-hcd for HP's embedded controllers. Unlike other UHCI controllers, the HP chips can take as long as 250 us to carry out the processing associated with finishing a port reset. This fixes Novell bug #148761. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: support for USB-to-serial cable from Speed Dragon MultimediaDick Streefland
The USB data cable for my Samsung GSM phone contains the USB-to-serial converter chip MS3303H from Speed Dragon Multimedia, Inc. that appears to be compatible with the PL2303 chip. The following patch adds support for this chip to the pl2303 driver. Signed-off-by: Dick Streefland <dick@streefland.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: PL2303 and TIOCMIWAITJulian Bradfield
A while ago, I posted about TIOCMIWAIT not working with the PL2303 USB-serial adapter. After a brief exchange with Greg, I tracked this to a missing wake-up in the USB interrupt procedures. I got our systems staff to install the enclosed very simple patch to our 2.6.12 kernels, and it all works fine as expected. I guess this should also apply to the latest version and go into the mainstream. Apologies for the long delay in posting the result. The routine being patched is pl2303_update_line_status Signed-off-by: Julian Bradfield <jcb+luu@inf.ed.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: cypress_m8: add support for the Nokia ca42-version 2 cableLonnie Mendez
This patch adds support for the Nokia ca42 version 2 cable to the cypress_m8 driver. The device was tested by others with this patch and found to be compatible with the cypress_m8 driver. A special note should be taken that this cable seems to vary in the type of chipset used. This patch supports the cable with product id 0x4101. Signed-off-by: Lonnie Mendez <lmendez19@austin.rr.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: ZC0301 driver updatesLuca Risolia
ZC0301 driver updates. Changes: + new, - removed, * cleanup, @ bugfix @ Need usb_get|put_dev() when disconnecting, if the device is open * Cleanups and updates in the documentation + Use per-device sensor structures + Add frame_timeout module parameter Signed-off-by: Luca Risolia <luca.risolia@studio.unibo.it> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: ET61X[12]51 driver updatesLuca Risolia
USB: ET61X[12]51 driver updates Changes: + new, - removed, * cleanup, @ bugfix @ Fix stream_interrupt() @ Fix vidioc_enum_input() and split vidioc_gs_input() @ Need usb_get|put_dev() when disconnecting, if the device is open * Use wait_event_interruptible_timeout() instead of wait_event_interruptible() when waiting for video frames * replace wake_up_interruptible(&wait_stream) with wake_up(&wait_stream) * Cleanups and updates in the documentation * Use mutexes instead of semaphores + Use per-device sensor structures + Add support for PAS202BCA image sensors + Add frame_timeout module parameter Signed-off-by: Luca Risolia <luca.risolia@studio.unibo.it> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: SN9C10x driver updatesLuca Risolia
SN9C10x driver updates. Changes: + new, - removed, * cleanup, @ bugfix @ Fix stream_interrupt() @ Fix vidioc_enum_input() and split vidioc_gs_input() @ Need usb_get|put_dev() when disconnecting, if the device is open * Use wait_event_interruptible_timeout() instead of wait_event_interruptible() when waiting for video frames * replace wake_up_interruptible(&wait_stream) with wake_up(&wait_stream) * Cleanups and updates in the documentation + Use per-device sensor structures + Add support for PAS202BCA image sensors + Add frame_timeout module parameter Signed-off-by: Luca Risolia <luca.risolia@studio.unibo.it> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: kzalloc() conversion in drivers/usb/gadgetEric Sesterhenn
this patch converts drivers/usb to kzalloc usage. Compile tested with allyes config. I think there was a bug in drivers/usb/gadget/inode.c because it used sizeof(*data) for the kmalloc() and sizeof(data) for the memset(), since sizeof(data) just returns the size for a pointer. Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: kzalloc() conversion for rest of drivers/usbEric Sesterhenn
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: ZC0301 driver updatesLuca Risolia
"Cosmetic" driver updates for the ZC0301 driver: - Fix stream_interrupt() (and work around a possible kernel bug); - Fix vidioc_enum_input() and split vidioc_gs_input() in two parts; - Use wait_event_interruptible_timeout() instead of wait_event_interruptible() when waiting for video frames; - replace erroneous wake_up_interruptible(&wait_stream) with wake_up(&wait_stream); - Cosmetic cleanups in the documentation. Signed-off-by: Luca Risolia <luca.risolia@studio.unibo.it> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: Fix warning in drivers/usb/media/ov511.cMatthew Martin
Gcc 4.0.2 had the warning: drivers/usb/media/ov511.c: In function 'show_exposure': drivers/usb/media/ov511.c:5642: warning: 'exp' may be used uninitialized in this function Here is the patch to fix that warning. Signed-off-by: Matthew Martin <lihnucks@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: ethernet gadget driver section fixupsAras Vaichas
This patch allows you to set the iSerialNumber field in the usb_device_descriptor structure for your USB ethernet gadget. It also changes the parameters shown through sysfs so they're no longer declared as __initdata, preventing potential oopses. That's most useful for the Ethernet addresses, which may in some cases be random "locally administered" addresses. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: gadget driver section fixupsDavid Brownell
This adds __init section annotations to gadget driver bind() routines to remove calls from .text into .init sections (for endpoint autoconfig). Likewise it adds __exit section annotations to their unbind() routines. The specification of the gadget driver register/unregister functions is updated to explicitly allow use of those sections. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] usbcore: fix compile error with CONFIG_USB_SUSPEND=nAlan Stern
This patch (as647) fixes a small error introduced by a recent change to the USB core suspend/resume code. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB core and HCDs: don't put_device while atomicAlan Stern
This patch (as640) removes several put_device and the corresponding get_device calls from the USB core and HCDs. Some of the puts were done in atomic contexts, and none of them are needed since the core now guarantees that every endpoint will be disabled and every URB completed before a USB device is released. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Acked-by: David Brownell <david-b@pacbell.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] uhci-hcd: fix mistaken usage of list_prepare_entryAlan Stern
A recent update to the uhci-hcd driver invoked the list_prepare_entry macro incorrectly. This patch (as646) corrects it. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] UHCI: Don't log short transfersAlan Stern
Even when the URB_SHORT_NOT_OK flag is set, a short transfer shouldn't generate a debugging log message. Especially not one with the confusing claim that the transfer "failed with status 0". This patch (as627) fixes that behavior in uhci-hcd. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] UHCI: improve debugging codeAlan Stern
This patch (as626) makes some improvements to the debugging code in uhci-hcd. The main change is that now the code won't get compiled if CONFIG_USB_DEBUG isn't set. But there are other changes too, like adding a missing .owner field and printing a debugging dump if the controller dies. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] UHCI: remove main list of URBsAlan Stern
As part of reorienting uhci-hcd away from URBs and toward endpoint queues, this patch (as625) eliminates the driver's main list of URBs. The list wsa used mainly in checking for URB completions; now the driver goes through the list of active endpoints and checks the members of the queues. As a side effect, I had to remove the code that looks for FSBR timeouts. For now, FSBR will remain on so long as any URBs on a full-speed control or bulk queue request it, even if the queue isn't advancing. A later patch can add more intelligent handling. This isn't a huge drawback; it's pretty rare for an URB to get stuck for more than a fraction of a second. (And it will help the people trying to use those insane HP USB devices.) Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] UHCI: use dummy TDsAlan Stern
This patch (as624) fixes a hardware race in uhci-hcd by adding a dummy TD to the end of each endpoint's queue. Without the dummy the host controller will effectively turn off the queue when it reaches the end, which happens asynchronously. This leads to a potential problem when new transfer descriptors are added to the end of the queue; they may never get used. With a dummy TD present the controller never turns off the queue; instead it just stops at the dummy and leaves the queue on but inactive. When new TDs are added to the end of the queue, the first new one gets written over the dummy. Thus there's never any question about whether the queue is running or needs to be restarted. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] UHCI: use one QH per endpoint, not per URBAlan Stern
This patch (as623) changes the uhci-hcd driver to make it use one QH per device endpoint, instead of a QH per URB as it does now. Numerous areas of the code are affected by this. For example, the distinction between "queued" URBs and non-"queued" URBs no longer exists; all URBs belong to a queue and some just happen to be at the queue's head. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: Fix masking bug initialization of Freescale EHCI controllerKumar Gala
In setting up the of PHY we masked off too many bits, instead just initialize PORTSC for the type of PHY we are using. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: Zero driver: Removed duplicated codeFranck Bui-Huu
Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: Pegasus: Linksys USBVPN1 support + cleanupMalte Doersam
This patch adds a second linksys vendor-id (077b) and the product id of the pegasus based adapter USBVPN1 http://www1.linksys.com/Products/product.asp?prid=3D543&scid=3D30 Furthermore it replaces all LINKSYS_GPIO_RESET with DEFAULT_GPIO_RESET as both are declared like this: #define DEFAULT_GPIO_RESET 0x24 #define LINKSYS_GPIO_RESET 0x24 This is misleading and confusing. The check is now done via the VENDOR_ID in pegasus.c: if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS Signed-off-by: Malte Doersam <mdoersam@arcor.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] usbhid: add error handlingAlan Stern
This patch (as628c) adds error handling to the USB HID core. When an error is reported for an interrupt URB, the driver will do delayed retries, at increasing intervals, for up to one second. If that doesn't work, it will try to reset the device. Testing by users has shown that both the retries and the resets end up getting used. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: remove usbcore-specific wakeup flagsDavid Brownell
This makes usbcore use the driver model wakeup flags for host controllers and for their root hubs. Since previous patches have removed all users of the HCD flags they replace, this converts the last users of those flags. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: ohci uses driver model wakeup flagsDavid Brownell
This makes OHCI use the driver model wakeup control bits for its root hub (e.g. disable on amd756, because of chip erratum) and for the controller itself. It no longer uses the hcd glue bits with those roles, and depends on the previous patch making the root hub available earlier. Note that on most platforms (boot code properly setting the RWC bit) this gives a partial workaround for the way PCI isn't currently flagging devices that support PME# signals. (Because of odd PCI init sequencing on PPC.) That's because many OHCI controllers support "legacy PCI PM" ... without involving any PCI PM capability. USB wakeup from STR, if it works on your system, may still involve tweaking things by hand in /proc/acpi/wakeup. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: usbcore sets up root hubs earlierDavid Brownell
Make the HCD initialization sequence more sane ... notably, setting up root hubs before HCDs are asked to do their one-time init. Among other things, that lets the HCDs do custom root hub init along with all the other one-time initialization done in the (now misnamed) reset() method. This also copies the controller wakeup flags into the root hub; it's done a bit later than would be ideal, but that'll be necessary until the PCI code initializes them correctly. (The PCI patch breaks on PPC due to how it sequences PCI initialization.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] recognize three more usb peripheral controllersDavid Brownell
This adds declarations for three USB peripheral controllers: - Two high speed USB cores that can be licensed from Mentor Graphics to be integrated into silicon: * "musbhsfc" is for peripherals only, as found in for example the IBM/AMCC 44EP processors. * "musbhdrc" is OTG-capable (dual role), and is found in various products including OMAP 2430 and the new DaVinci SOCs. The "musbh" standing for "Mentor USB Highspeed", the rest standing for "Function Controller" or "Dual Role Controller" (OTG-capable). - The full speed controller on the FreeScale MPC8272. Adding these definitions just allows gadget driver code to handle any controller-specific logic; controller drivers are quite separate. Signed-off-by: David Brownell <david-b@pacbell.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: minor gadget/rndis tweakDavid Brownell
Resove a minor FIXME: don't change MTU while RNDIS link is active, the other end won't expect such things... Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: add support for AT91 gadgetDavid Brownell
This adds support for the USB peripheral controller on AT91 (rm9200, eventually also sam9261 or uClinux) platforms. More SOC support for Linux-USB ... an uncomplicated pure PIO driver. It'd be worth using this as a model, if you're starting a driver for some other peripheral controller. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: add support for OCHI on AT91rm9200Andrew Victor
This adds support for OHCI on AT91rm9200 based boards. Possibly of interest here is the way this uses <linux/clk.h> to gate clocks on/off during system pm state transitions. That's typical for non-PCI systems. Some can go further; Mini-A host side connectors enable ID-pin sensing. From: Andrew Victor <andrew@sanpeople.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-03-20[PATCH] USB: EHCI unlink tweaksDavid Brownell
This patch modifies the behavior of the EHCI driver in an unlink path that seems to be causing various issues on some systems. Those problems have included issues with disconnection, driver unbinding, and similar cases where urb unlinking would just not work right. This patch should help avoid those problems by not turning off the async (control/bulk) schedule until it's not expecting an "async advance" IRQ, which comes from the processing passing the schedule head. Whether the driver attempts to do such things is dependent on system timings, so many folk would never have seen these problems. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>