- 25 Apr, 2008 40 commits
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Yoshihiro Shimoda authored
This driver ignored the value of bInterval and revised the problem that performed interrupt transfer. ASIX USB Ethernet adapter comes to work with this host controller by applying this patch. Signed-off-by:
Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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Paulius Zaleckas authored
Removes unimplemented TCFLSH handling from oti6858, because it was preventing TCFLSH handling by upper layer (line discipline) drivers (see drivers/char/tty_io.c line 3450). Signed-off-by:
Paulius Zaleckas <paulius.zaleckas@teltonika.lt> Acked-by:
Alan Cox <alan@redhat.com> Signed-off-by:
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Sarah Sharp authored
This patch refactors some shutdown code so it can be shared between ehci_stop() and ehci_shutdown(). This also fixes a couple potential bugs: - ehci_shutdown() was not locking ehci->lock before halting the HC. - ehci_shutdown() didn't disable the watchdog and IAA timers. - ehci_stop() was resetting the host controller when it may have been running, which the EHCI spec says "may result in undefined behavior". ehci_stop() was calling port_power() to turn off the ports, which waited 20ms after applying the port change. The msleep was for the case where the HC might take 20ms to turn the ports on; since we're shutting them off, we can avoid the msleep and just use ehci_turn_off_ports(). ehci_stop() doesn't need to clear the intr_enable register or revert ownership of the companion controllers to the BIOS, because the host controller reset should have done that. There might be a buggy host controller that doesn't follow the reset rules, but for now we assume it's redundant code and remove it. [ A subsequent patch will cancel the timers later ... this version carries forward existing bugs where timers could get re-armed after they're canceled. ] Signed-off-by:
Sarah Sharp <sarah.a.sharp@intel.com> Signed-off-by:
David Brownell <dbrownell@users.sourceforge.net> Signed-off-by:
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David Brownell authored
The at91sam9 chip are ARMv5 so they support preload instructions. Use preloading to load the FIFO a bit faster. Signed-off-by:
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Alan Stern authored
This patch (as1075) changes dummy-hcd to dynamically allocate its platform_device structures, using the core platform_device_alloc() interface. This is what it should have done all along, because the dynamically-allocated structures have a release method in the driver core and are therefore immune to being released after the module has been unloaded. Thanks to Richard Purdie for pointing out the need for this change. Signed-off-by:
Alan Stern <stern@rowland.harvard.edu> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by:
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David Brownell authored
Restore some section annotations: they were switched to "__devinit" while they should have been "__init", because of bogus warnings. The warnings are now fixed, so the runtime footprint of various drivers can now shrink a bit. On ARMv5, it's about 600 bytes except for the Ethernet gadget, where it can save a bit more. Signed-off-by:
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Alan Stern authored
Removing an interface's sysfs files before unregistering the interface doesn't work properly, because usb_unbind_interface() will reinstall altsetting 0 and thereby create new sysfs files. This patch (as1074) removes the files after the unregistration is finished. It's not quite as clean, but at least it works. Also, there's no need to check if an interface has been registered before removing its sysfs files. If it hasn't been registered then the files won't have been created, so usb_remove_sysfs_intf_files() will simply do nothing. Signed-off-by:
Jiri Slaby <jirislaby@gmail.com> Signed-off-by:
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Harvey Harrison authored
The kernel is written in C, not C++, use __func__ Signed-off-by:
Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by:
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Alan Stern authored
Drivers in the ohci-hcd family should perform certain tasks whenever their controller device is resumed. These include checking for loss of power during suspend, turning on port power, and enabling interrupt requests. Until now these jobs have been carried out when the root hub is resumed, not when the controller is. Many drivers work around the resulting awkwardness by automatically resuming their root hub whenever the controller is resumed. But this is wasteful and unnecessary. To simplify the situation, this patch (as1066) adds a new core routine, ohci_finish_controller_resume(), which can be used by all the OHCI-variant drivers. They can call the new routine instead of resuming their root hubs. And ohci-pci.c can call it instead of using its own special-purpose handler. Signed-off-by:
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Alan Stern authored
The .suspend and .resume method pointers in struct usb_hcd have not been fully understood by host-controller driver writers. They are meant for use with PCI controllers; other platform-specific drivers generally should not refer to them. To try and clarify matters, this patch (as1065) renames those methods to .pci_suspend and .pci_resume. It eliminates corresponding dead code and bogus references in the ohci-ssb and u132-hcd drivers. Signed-off-by:
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Alan Stern authored
Currently EHCI root hubs enumerate with a bDeviceProtocol code indicating that they possess a Transaction Translator. However the vast majority of controllers do not; they rely on a companion controller to handle full- and low-speed communications. This patch (as1064) changes the root-hub device descriptor to match the actual situation. Signed-off-by:
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Oliver Neukum authored
USB is moving to transfering status as a parameter. To ease the transition urb->status is to be touched only once in a function. The xpad driver has been overlooked. Dmitry wants this to go through the USB tree. Signed-off-by:
Oliver Neukum <oneukum@suse.de> Signed-off-by:
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Alan Stern authored
This patch (as1063) fixes a bug in the way ohci-hcd resumes its controllers. It leaves the Master Interrupt Enable bit turned off. If the root hub is resumed immediately this won't matter. But if the root hub is suspended (say because no devices are plugged in), it won't ever wake up by itself. Signed-off-by:
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Ingo van Lil authored
Fix a messed up combination of two nested switch statements in drivers/usb/gadget/dummy_hcd.c. According to the USB spec (section 5.8.3) the maximum packet size for bulk endpoints can be 512 for high-speed devices and 8, 16, 32 or 64 for full-speed devices. Low-speed devices must not have bulk endpoints. Signed-off-by:
Ingo van Lil <inguin@gmx.de> Cc: David Brownell <david-b@pacbell.net> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Acked-by:
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Jesper Juhl authored
In drivers/usb/gadget/amd5536udc.c::udc_pci_probe(), sizeof(struct udc) storage is allocated for 'dev'. There are many exit points from the function where 'dev' is not free'd but has also not yet been used for anything. The following patch free's 'dev' at the return points where it has not yet been used. Signed-off-by:
Jesper Juhl <jesper.juhl@gmail.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by:
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Alan Stern authored
This patch (as1060) makes usb-storage set the DMA alignment mask for SCSI slaves to match the maxpacket size of the bulk-IN endpoint, rather than always setting it to 511. For full-speed devices that mask is too restrictive, and wireless USB devices can have maxpacket sizes larger than 512. Signed-off-by:
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Craig W. Nadler authored
G_PRINTER: Bug fix for blocking reads and a fix for a memory leak. This fixes bugs in blocking IO calls. When the poll() entry point is called receive transfers will be setup if they have not already been. Another bug fix is that the poll() entry point now checks the current receive buffer for data when reporting if any data had been received. A memory leak was fixed that could have occurred when a USB reset happened. Signed-off-by:
Craig W. Nadler <craig@nadler.us> Signed-off-by:
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Jesper Juhl authored
platform_get_resource() may return null, so although it seems it will never do so here unless there's a bug elsewhere, it does no harm to be defensive and test. Signed-off-by:
Magnus Damm <magnus.damm@gmail.com> Signed-off-by:
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Matti Linnanvuori authored
Remove obsolete contact addresses. Signed-off-by:
Matti Linnanvuori <mattilinnanvuori@yahoo.com> Signed-off-by:
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Ming Lei authored
Remove useless @type note for rh_string() and @r note for usb_hcd_irq() since this two parameters were removed. Signed-off-by:
Ming Lei <tom.leiming@gmail.com> Signed-off-by:
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Daniel Walker authored
Signed-off-by:
Daniel Walker <dwalker@mvista.com> Signed-off-by:
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Daniel Walker authored
I was converting a semaphore in this file to a mutex when I noticed that this file has some fairly rampant style problems. Practically every line has spaces instead of tabs .. Once I cleared that up, checkpatch.pl showed a number of other problem.. I think this file might be a good one to review for new style checks that could be added.. Below are the only two remaining which I didn't remove. #5083: FILE: drivers/usb/host/u132-hcd.c:2907: + error: WARNING: labels should not be indented #5087: FILE: drivers/usb/host/u132-hcd.c:2911: + stall: These labels are actually inside a switch statement, and they are right under "default:". "default:" appears to be exempt and these other label should be too, or default shouldn't be exempt. I also deleted a few lines due to single statements inside { } , if (is_error()) { return; } becomes, if (is_error()) return; with one line deleted. Signed-off-by: -
Greg Kroah-Hartman authored
Original version of the driver done by Linxb, changes by Harald, and lots of cleanups by me in order to get it into a mergable state. Cc: Linxb <xubin.lin@worldplus.com.cn> Cc: Harald Klein <hari@vt100.at> Signed-off-by: -
Kevin Lloyd authored
This patch is for the sierra driver and adds support for a new group of devices that have a new USB configuration. This targets kernel 2.6.25-rc7 Signed-off-by:
Kevin Lloyd <klloyd@sierrawireless.com> Signed-off-by:
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Kevin Lloyd authored
This patch is for the sierra driver and fixes a Compass 597 bug that allows users to access the SD-Card. This targets kernel 2.6.25-rc7 Signed-off-by:
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Kevin Lloyd authored
This patch cleans up some of the sierra driver code. Please package this with the other patches in this group as I would like the driver version to reflect their changes as well. Signed-off-by:
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David Engraf authored
the following patch uses 16 write urbs and a writsize of wMaxPacketSize * 20. With this patch I get the maximum througput from my linux system with 20MB/sec read and 15 MB/sec write (full speed 1 MB/sec both) I also deleted the flag URB_NO_FSBR for the writeurbs, because this makes my full speed devices significant slower. Signed-off-by:
David Engraf <david.engraf@netcom.eu> Signed-off-by:
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David Engraf authored
It ensures that the tty level do not split the send buffer into 2KB blocks. Signed-off-by:
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Pete Zaitcev authored
Paolo asked to enable the mmap. I kept it off because I'm do not entirely understand how it workse these days after ->nopage etc. But it seems like working somewhat at least. Signed-Off-By:
Pete Zaitcev <zaitcev@gmail.com> Cc: Paolo Abeni <paolo.abeni@email.it> Signed-off-by:
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Robert P. J. Day authored
Signed-off-by:
Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by:
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Robert P. J. Day authored
According to David Brownell, this feature doesn't require an experimental designation any longer. Signed-off-by:
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Robert P. J. Day authored
Since this USB feature seems non-experimental, remove that dependency. Signed-off-by:
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Robert P. J. Day authored
Since support for the USB Mustek MDC800 Digital Camera has apparently been around since the beginning of the git repository, it's safe to assume it's no longer experimental. Signed-off-by:
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Robert P. J. Day authored
Since nothing under the USB serial/ directory seems to be obviously experimental, remove the EXPERIMENTAL dependency from all of those Kconfig entries. Signed-off-by:
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Robert P. J. Day authored
Since nothing under the USB misc/ seems to be obviously experimental, remove the EXPERIMENTAL dependency from those Kconfig entries. Signed-off-by:
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Robert P. J. Day authored
Based on a recent discussion on the Linux USB mailing list, remove the designation of EXPERIMENTAL from some USB gadget entries, and tag some of them as DEVELOPMENT. just for fun, i added a bit of help for gadgetfs, explaining the race condition. Signed-off-by:
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Robert P. J. Day authored
Since there seems to be little reason to mark the current USB storage features as "EXPERIMENTAL," remove that dependency. Signed-off-by:
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matthieu castet authored
I have got a cypress usb-ide bridge and I would like to tune or monitor my disk with tools like hdparm, hddtemp or smartctl. My controller support a way to send raw ATA command to the disk with something call atacb (see http://download.cypress.com.edgesuite.net/design_resources/datasheets/contents/cy7c68300c_8.pdf). Atacb support can be added for each application, but there is some disadvantages : - all application need to be patched - A race is possible if there other accesses, because the emulation can be split in 2 atacb scsi transactions. One for sending the command, one for reading the register (if ck_cond is set). I have implemented the emulation in usb-storage with a special proto_handler, and an unsual entry. Signed-off-by:
Matthieu CASTET <castet.matthieu@free.fr> Signed-off-by:
Matthew Dharm <mdharm-usb@one-eyed-alien.net> Signed-off-by:
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Robert P. J. Day authored
For the header files in include/linux/usb, add missing multiple inclusion protection and standardize what's already there. The apparent standards: * macro name of __LINUX_USB_headerfile_H * inclusion protection placed after leading comment block * macro name added as a comment on the final #endif * any obvious trivial whitespace cleanup associated with the above Signed-off-by:
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Tilman Schmidt authored
The the err() / info() / warn() macros in usb.h inserted __FILE__ at the beginning of the message, which expands to the complete pathname of the source file within the kernel tree, frequently taking up half of an 80 character screen line before the actual message even begins. Use the module name instead. Signed-off-by:
Tilman Schmidt <tilman@imap.cc> Signed-off-by:
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