- 07 Feb, 2007 40 commits
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Oliver Neukum authored
The whole approach is simply wrong. Forking a thread means that - errors are ignored - locking is ignored Doing this correctly would require major surgery for questionable benefit. Signed-off-by:
Oliver Neukum <oneukum@suse.de> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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David Brownell authored
This updates the AT91 UDC driver's handling of wakeup events: - Fix a bug in the original scheme, which was never updated after the {enable,disable}_irq_wake() semantics were updated to address refcounting issues (i.e. behave for shared irqs). - Couple handling of both type of wakeup events, to be more direct. The controller can be source of wakeup events for cases like bus reset and USB resume. On some boards, VBUS sensing is also IRQ driven. Signed-off-by:David Brownell <dbrownell@users.sourceforge.net> Signed-off-by:
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Alan Stern authored
This patch (as710) adds a sysfs class-device attribute file named "companion" for EHCI controllers. The file contains a list of port numbers that are dedicated to the companion controller; by writing a port number to the file the user can force a high-speed device attached directly to the computer to run at full speed. (As far as I know it is not possible to do this for a device attached to an external hub.) A port is removed from the file by writing the negative of its port number. Several users have asked for this facility and it seems like a useful thing to have. Every now and then one runs across a device which behaves much better at full speed than at high speed. Signed-off-by:
Alan Stern <stern@rowland.harvard.edu> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by:
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Alan Stern authored
This patch (as709) changes the way ehci-hcd presents port status values for ports owned by the companion controller. It no longer hides the information; in particular, it allows the core to see the disconnect event that occurs when a full- or low-speed device is switched over to the companion. This is required for the next patch in this series. Signed-off-by:
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Alan Stern authored
This patch (as708) introduces a local variable to hold the port status-register address in ehci-hub.c. There's not much improvement in the object code, but it sure is a lot easier to read. Signed-off-by:
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Alan Stern authored
This patch (as841) removes from usbcore a couple of support routines meant to help with bandwidth allocation. With the changes to uhci-hcd in the previous patch, these routines are no longer used anywhere. Also removed is the CONFIG_USB_BANDWIDTH option; it no longer does anything and is no longer needed since the HCDs now handle bandwidth issues correctly. Signed-off-by:
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Alan Stern authored
This patch (as840) fixes the bandwidth allocation mechanism in uhci-hcd. It has never worked correctly. Signed-off-by:
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Geoff Levand authored
USB OHCI driver bus glue for the PS3 game console. Signed-off-by:
Geoff Levand <geoffrey.levand@am.sony.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by:
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Benjamin Herrenschmidt authored
Restructure the ohci_hcd_mod_init error handling code in to better support the multiple platform drivers. This does not change the functionality. Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by:
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Geoff Levand authored
Add the USB HID quirk HID_QUIRK_SONY_PS3_CONTROLLER. This sends an HID_REQ_GET_REPORT to the the PS3 controller to put the device into 'operational mode'. Signed-off-by:
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Geoff Levand authored
USB EHCI driver bus glue for the PS3 game console. Signed-off-by:
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Oliver Neukum authored
this implements enough ethtool support to make NetworkManager happy. Signed-off-by:
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Oliver Neukum authored
- implements suspend when the network interface is down - fixes a typo in comments - adds debugging output for power management - fixes a compiler warning Signed-off-by:
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Phil Endecott authored
Gadgetfs had a mode in which endpoint descriptors were written by the user program before connection. This mode had some bugs, and hasn't seen much (if any) use. This patch removes that mode, leaving the mode of operation where the user program waits for endpoint 0 to report a SET_CONFIGURATION, and only then configures the endpoints. From: "Phil Endecott" <spam_from_usb_devel@chezphil.org> Signed-off-by:
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David Brownell authored
Remove some whitespace bugs in gadgetfs (mostly from someone's patch updating the AIO support). Signed-off-by:
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Marc Pignat authored
The attached patch fixes the unbalanced calls to enable_irq_wake() and disable_irq_wake() in the AT91 USB Host driver. It should resolve these kernel messages: Unbalanced IRQ x wake disable BUG: warning at kernel/irq/manage.c:167/set_irq_wake() (The original code was debugged before a bug in the genirq wakeup irq logic was fixed by adding the IRQ wake enable/disable refcounting. Not all code yet uses the bugfixed model.) Signed-off-by:
Andrew Victor <andrew@sanpeople.com> Signed-off-by:
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Alan Stern authored
This patch (as835) removes from usb-storage the code which sets all devices to a SCSI level of at least SCSI-2. The original reasons for doing this no longer apply, and in fact it prevents certain kinds of ATA pass-thru commands from being used. The patch also marks CB and CBI devices that are SCSI-0 (legacy SCSI) as being single-LUN, since the combined SCSI-over-USB transport protocol has no way to convey LUN information to these devices. Signed-off-by:
Matthew Dharm <mdharm-usb@one-eyed-alien.net> Signed-off-by:
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Alan Stern authored
Isochronous queues don't need a dummy TD because the Queue Header isn't managed by the hardware. This patch (as836) removes the unnecessary dummy TDs. The patch also fixes a long-standing typo in a comment (a "don't" was missing -- potentially very confusing!). Signed-off-by:
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Alan Stern authored
This patch (as768) improves the debugging checks for the uhci-hcd frame list. The number of entries displayed is limited to 10, and the driver now checks for the correct Skeleton QH link value at the end of each chain of Isochronous TDs. The code to compute these link values is now used in two spots, so it is moved into its own separate subroutine. Signed-off-by:
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Oliver Neukum authored
I overlooked one. Setting the flag and killing the URBs must be under the lock so that no URB is submitted after usb_kill_urb() Signed-off-by:
Oliver Neukum <oliver@neukum.org> Signed-off-by:
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Pete Zaitcev authored
This patch adds a new, "binary" API in addition to the old, text API usbmon had before. The new API allows for less CPU use, and it allows to capture all data from a packet where old API only captured 32 bytes at most. There are some limitations and conditions to this, e.g. in case someone constructs a URB with 1GB of data, it's not likely to be captured, because even the huge buffers of the new reader are finite. Nonetheless, I expect this new capability to capture all data for all real life scenarios. The downside is, a special user mode application is required where cat(1) worked before. I have sample code at http://people.redhat.com/zaitcev/linux/ and Paolo Abeni is working on patching libpcap. This patch was initially written by Paolo and later I tweaked it, and we had a little back-and-forth. So this is a jointly authored patch, but I am submitting this I am responsible for the bugs. Signed-off-by:
Paolo Abeni <paolo.abeni@email.it> Signed-off-by:
Pete Zaitcev <zaitcev@redhat.com> Signed-off-by:
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Sarah Bailey authored
Added a function to check if an endpoint is a control endpoint. There were similar functions for bulk, interrupt, and isoc, but not for control endpoints. Signed-off-by:
Sarah Bailey <saharabeara@gmail.com> Signed-off-by:
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John Daiker authored
Went looking through some usb stuff and found some unnecessary casts in file_storage.c This is part of the KernelJanitors TODO list. Signed-off-by:
John Daiker <daikerjohn@gmail.com> Acked-by:
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Johannes Hölzl authored
While adding the dynamic-id support to usb serial I found a small bug in the air cable driver: Adds module and name information to the usb_serial_driver instance of aircable. So the aircable driver is correctly shown under /sys/bus/usb-serial/drivers/aircable and has the module link. Signed-off-by:
Johannes Hölzl <johannes.hoelzl@gmx.de> Signed-off-by:
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Johannes Hölzl authored
Every usb serial driver should have a pointer to the corresponding usb driver. So the usb serial core can add a new id not only to the usb serial driver, but also to the usb driver. Also the usb drivers of ark3116, mos7720 and mos7840 missed the flag no_dynamic_id=1. This is added now. Signed-off-by:
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Greg Kroah-Hartman authored
Thanks to Johannes Hölzl <johannes.hoelzl@gmx.de> for fixing a few things and getting it all working properly. This adds support for dynamic usb ids to the usb serial core. The file "new_id" will show up under the usb serial driver, not the usb driver associated with the usb-serial driver (yeah, it can be a bit confusing at first glance...) This patch also modifies the USB core to allow the usb-serial core to reuse much of the dynamic id logic. Signed-off-by:
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Sylvain Munaut authored
PPC embedded systems can have a ohci controller builtin. In the new model, it will end up as a driver on the of_platform bus, this patches takes care of them. Signed-off-by:
Sylvain Munaut <tnt@246tNt.com> Acked-by:
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Sylvain Munaut authored
The previous model had the module_init & module_exit function in the bus glue .c files themselves. That's a problem if several glues need to be selected at once and the driver is built has module. This case is quite common in embedded system where you want to handle both the integrated ohci controller and some extra controller on PCI. The ohci-hcd.c file now provide the module_init & module_exit and appropriate driver registering/unregistering is done conditionally, using #ifdefs. Signed-off-by:
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Ole Andre Vadla Ravnas authored
Windows Mobile 5 based devices described as supporting "ActiveSync": - Speak RNDIS but lack the CDC and union descriptors. This patch updates the cdc ethernet code to fake ACM descriptors we need. - Require RNDIS_MSG_QUERY messages to include a buffer of the size the response should generate. This patch updates the rndis host code to pass this will-be-ignored data. The resulting RNDIS host code has been reported to work with several WM5 based devices. (Note that a fancier patch is available at synce.sf.net.) Some bugfixes, affecting not just ActiveSync: (a) when cleaning up after RNDS init fails, scrub the second interface just like cdc_ether does, so disconnect won't oops. (b) handle peripherals that use the pad-to-end-of-packet option; some devices can't talk to us if that option doesn't work. (c) when choosing configurations, don't forget about an RNDIS config just because the RNDIS driver is dynamically linked. Cleanup, streamlining, bugfixes, Kconfig, and matching hub driver update. Also for paranoia's sake, refuse to talk to something that looks like a real modem instead of RNDIS. Signed-off-by:Ole Andre Vadla Ravnaas <oleavr@gmail.com> Signed-off-by:
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David Brownell authored
It turns out that minor tweaks to the "CDC Subset" support in the Ethernet gadget driver, just updating a config descriptor, let it be automagically recognized by a Windows driver supported by MCCI. This patch adds those descriptors, so systems using PXA 255 processors (like Gumstix etc) can interop with those commercial MS-Windows drivers. This is a Good Thing since Microsoft's RNDIS code has bugginess issues, which are unfortunately compounded by "won't fix" issues as well as "the published specs are incomplete and wrong" issues. Being able to talk to the MCCI driver gives Windows users another connectivity option. (MCCI also has CDC Ethernet drivers, which can help most non-PXA processors.) Signed-off-by:
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Alan Stern authored
This patch (as830) removes some unnecessary error checking. According to the kerneldoc, schedule_work() can't fail. Signed-off-by:
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David Brownell authored
Update /proc/bus/usb/devices output to report active altsettings. Signed-off-by:
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Dan Carpenter authored
It should hopefully fix the list corruption bug on: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=214402 Add a missing INIT_LIST_HEAD() Signed-off-by:
Dan Carpenter <error27@gmail.com> Signed-off-by:
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Oliver Neukum authored
this makes the rio500 misc usb driver use mutexes and turns uninterruptible sleep into interruptible sleep where the semantics are not affected. Signed-off-by:
Oliver Neukum <oliver@neukum.name> Signed-off-by:
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Tobias Klauser authored
The patch removes unneeded void * casts for the following (void *) pointers: - struct file: private_data The patch also contains some whitespace and coding style cleanups in the relevant areas. Signed-off-by:
Tobias Klauser <tklauser@distanz.ch> Signed-off-by:
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David Brownell authored
Add USB_CLASS_MISC to <linux/usb/ch9.h> Signed-off-by:
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David Brownell authored
This moves <linux/usb_ch9.h> to <linux/usb/ch9.h> to reduce some of the clutter of usb header files. Signed-off-by:
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Benjamin Herrenschmidt authored
This patch fixes a warning introduced by the big endian MMIO EHCI support patch on platforms that don't have readl_be/writel_be variants (though mostly harmless as those are called in an if (0) statement, but gcc still warns). Signed-off-by: -
Benjamin Herrenschmidt authored
This patch fixes a warning introduces by the split endian OHCI support patch on platforms that don't have readl_be/writel_be variants (though mostly harmless as those are called in an if (0) statement, but gcc still warns). Signed-off-by:
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Benjamin Herrenschmidt authored
This patch implements supports for EHCI controllers whose MMIO registers are big endian and enables that functionality for the Toshiba SCC chip. It does _not_ add support for big endian in-memory data structures as this is not needed for that chip and I hope it will never be. The guts of the patch are to convert readl(...) to ehci_readl(ehci, ...) and similarly for register writes. Signed-off-by:
Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Signed-off-by:
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