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2009-09-23USB: sisusbvga: drop usb_buffer_allocPete Zaitcev2-42/+13
This patch falls out of my work to fix usbmon so it uses virtual addresses. It is not necessary, the "new" usbmon should work just fine with sisusbvga. However, it seems ridiculous that anyone would use uncached memory to transfer bulk data. Dropping the unnecessary use of usb_buffer_alloc should be beneficial here, in case anyone ever uses the dongle on anything beyond x86. I had no success in raising the author of the driver by e-mail, so the patch is not actually tested. Signed-off-by: Pete Zaitcev <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2009-09-19Driver-Core: extend devnode callbacks to provide permissionsKay Sievers2-4/+4
This allows subsytems to provide devtmpfs with non-default permissions for the device node. Instead of the default mode of 0600, null, zero, random, urandom, full, tty, ptmx now have a mode of 0666, which allows non-privileged processes to access standard device nodes in case no other userspace process applies the expected permissions. This also fixes a wrong assignment in pktcdvd and a checkpatch.pl complain. Signed-off-by: Kay Sievers <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2009-07-28USB: usbtest: no need for USB_DEVICEFSAlan Stern1-1/+1
THis patch (as1270) allows the usbtest module to be built even when USB_DEVICEFS isn't configured. Tests can be performed without USB_DEVICEFS, using the /dev/bus/usb/*/* device files. Signed-off-by: Alan Stern <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2009-07-12headers: smp_lock.h reduxAlexey Dobriyan3-0/+3
* Remove smp_lock.h from files which don't need it (including some headers!) * Add smp_lock.h to files which do need it * Make smp_lock.h include conditional in hardirq.h It's needed only for one kernel_locked() usage which is under CONFIG_PREEMPT This will make hardirq.h inclusion cheaper for every PREEMPT=n config (which includes allmodconfig/allyesconfig, BTW) Signed-off-by: Alexey Dobriyan <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2009-06-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds2-15/+26
* 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. ...
2009-06-15USB: usbtest fix endless loop in unlink tests.Martin Fuzzey1-14/+25
In tests 11 and 12 if the URB completes with an error status (eg babble) the asynchrous unlink entered an endless loop trying to unlink a non resubmitted URB. Signed-off-by: Martin Fuzzey <[email protected]> Acked-by: David Brownell <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2009-06-15usb: misc: SiS usbvga dangle: accept MUSB_HDRC as a fast enough host controllerBryan Wu1-1/+1
Acked-by: Mike Frysinger <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2009-06-15Driver Core: usb: add nodename support for usb drivers.Kay Sievers2-0/+12
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 <[email protected]> Signed-off-by: Jan Blunck <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2009-03-24USB: remove phidget drivers from kernel tree.Greg Kroah-Hartman7-1678/+0
These devices are better controlled with the LGPL userspace library found at: http://www.phidgets.com/downloads.php?os_id=3 and full documentation at: http://www.phidgets.com/documentation/web/cdoc/index.html Cc: Chester Fitchett <[email protected]> Acked-by: Sean Young <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2009-03-24USB: make transfer_buffer_lengths in struct urb field u32Greg Kroah-Hartman1-3/+3
Roel Kluin pointed out that transfer_buffer_lengths in struct urb was declared as an 'int'. This patch changes this field to be 'u32' to prevent any potential negative conversion and comparison errors. This triggered a few compiler warning messages when these fields were being used with the min macro, so they have also been fixed up in this patch. Cc: Roel Kluin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2009-03-17USB: misc/vstusb, fix lock imbalanceJiri Slaby1-0/+1
Make sure we don't leak locked vstdev->lock in vstusb_write. Unlock properly on one fail path. Signed-off-by: Jiri Slaby <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2009-03-17USB: misc/adutux, fix lock imbalanceJiri Slaby1-3/+3
Don't unlock adutux_mutex when not held. Signed-off-by: Jiri Slaby <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2009-01-27USB: remove vernier labpro from ldusbsware1-2/+0
Labpro device is in both ldusb and vstusb device tables. Should only be a vstusb device. Signed-off-by: stephen ware <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2009-01-07USB: emi26: fix oops on loadMarcin Slusarz1-1/+1
Fix oops introduced by commit ae93a55bf948753de0bb8e43fa9c027f786abb05 (emi26: use request_firmware()): usb 1-1: new full speed USB device using uhci_hcd and address 2 usb 1-1: configuration #1 chosen from 1 choice emi26 - firmware loader 1-1:1.0: emi26_probe start usb 1-1: firmware: requesting emi26/loader.fw usb 1-1: firmware: requesting emi26/bitstream.fw usb 1-1: firmware: requesting emi26/firmware.fw usb 1-1: emi26_set_reset - 1 usb 1-1: emi26_set_reset - 0 BUG: unable to handle kernel NULL pointer dereference at 00000000 IP: [<f80dc487>] emi26_probe+0x2f7/0x620 [emi26] *pde = 00000000 Oops: 0000 [#1] SMP last sysfs file: /sys/devices/pci0000:00/0000:00:1d.0/usb1/1-1/firmware/1-1/loading Modules linked in: emi26(+) ipv6 cpufreq_ondemand coretemp arc4 ecb iwl3945 irtty_sir sir_dev nsc_ircc ehci_hcd uhci_hcd mac80211 irda usbcore snd_hda_intel thinkpad_acpi rfkill hwmon led_class e1000e snd_pcm cfg80211 snd_timer crc_ccitt snd snd_page_alloc aes_generic Pid: 5082, comm: modprobe Not tainted (2.6.28 #2) 17023QG EIP: 0060:[<f80dc487>] EFLAGS: 00010206 CPU: 0 EIP is at emi26_probe+0x2f7/0x620 [emi26] EAX: 0000015c EBX: 00000000 ECX: c1ffd9c0 EDX: 00000000 ESI: 0000015c EDI: f6bb215c EBP: f6bb0400 ESP: f00ebcfc DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Process modprobe (pid: 5082, ti=f00ea000 task=f5c7c700 task.ti=f00ea000) Stack: 0000015c 000000a5 f6a67cb8 f80dc7e0 c01c6262 fbef2986 f6bb2000 00008fe0 0000015c f715f748 f715f740 f715f738 f715f748 f6a67c00 f80dd040 f80dcfc0 f6bb0400 fbacb290 f6a67c94 fbae0160 c01c70bf 00000000 f6a67c1c 00000000 Call Trace: [<c01c6262>] sysfs_add_one+0x12/0x50 [<fbacb290>] usb_probe_interface+0xa0/0x140 [usbcore] [<c01c70bf>] sysfs_create_link+0xf/0x20 [<c02dead2>] driver_probe_device+0x82/0x180 [<fbac9eeb>] usb_match_id+0x3b/0x50 [usbcore] [<c02dec4e>] __driver_attach+0x7e/0x80 [<c02de27a>] bus_for_each_dev+0x3a/0x60 [<c02de956>] driver_attach+0x16/0x20 [<c02debd0>] __driver_attach+0x0/0x80 [<c02de7b1>] bus_add_driver+0x1a1/0x220 [<c02dee4d>] driver_register+0x4d/0x120 [<c024e622>] idr_get_empty_slot+0xf2/0x290 [<fbacab71>] usb_register_driver+0x81/0x100 [usbcore] [<f806c000>] emi26_init+0x0/0x14 [emi26] [<c0101126>] do_one_initcall+0x36/0x1b0 [<c01c5e70>] sysfs_ilookup_test+0x0/0x10 [<c0197a61>] ifind+0x31/0x90 [<c01c6229>] __sysfs_add_one+0x59/0x80 [<c01c64e4>] sysfs_addrm_finish+0x14/0x1c0 [<c0175ca3>] __vunmap+0xa3/0xd0 [<c014b854>] load_module+0x1544/0x1640 [<c014b9d7>] sys_init_module+0x87/0x1b0 [<c0187f41>] sys_read+0x41/0x70 [<c01032a5>] sysenter_do_call+0x12/0x21 [<c03d0000>] wait_for_common+0x40/0x110 Code: 66 c1 e8 08 66 09 d0 75 a5 31 d2 89 e8 e8 72 fc ff ff 85 c0 0f 88 9a 02 00 00 b8 fa 00 00 00 e8 30 46 05 c8 8b 74 24 28 8b 5e 04 <8b> 03 89 44 24 1c 0f c8 89 44 24 1c 0f b7 4b 04 c7 44 24 20 00 EIP: [<f80dc487>] emi26_probe+0x2f7/0x620 [emi26] SS:ESP 0068:f00ebcfc ---[ end trace 2eefa13825431230 ]--- After the last "package" of firmware data is sent to the device, we dereference NULL pointer (on access to rec->addr). Fix it. Reported--by: David Flatz <[email protected]> Tested-by: David Flatz <[email protected]> Signed-off-by: Marcin Slusarz <[email protected]> Cc: David Woodhouse <[email protected]> Cc: stable <[email protected]> [2.6.27, 2.6.28] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2009-01-07USB: power availability check for berry_chargeOliver Neukum1-0/+5
this introduces a sanity check into berry_charge to give up before damage is done if we lack juice. Signed-off-by: Oliver Neukum <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2009-01-07USB: clean up redundant tests on unsignedroel kluin1-2/+0
temp, bytes and param->{length,sglen,vary} are unsigned so these tests do nothing. Signed-off-by: Roel Kluin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-11-13USB: SISUSB2VGA driver: add 0x0711, 0x0903Albert Comerma1-0/+1
Signed-off-by: Albert Comerma <[email protected]> Cc: Alan Cox <[email protected]> Cc: David Brownell <[email protected]> Cc: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-11-13USB: vstusb: fix compiler warning on x86-64Greg Kroah-Hartman1-1/+1
This fixes a reported compiler warning. Reported-by: Randy Dunlap <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-10-22USB: usbtest.c: length, sglen and vary are unsigned, so cannot be negativeroel kluin1-2/+1
length, sglen and vary are unsigned, so cannot be negative see vi drivers/usb/misc/usbtest.c +18 struct usbtest_param { ... unsigned iterations; unsigned length; unsigned vary; unsigned sglen; ... }; Signed-off-by: Roel Kluin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-10-17USB: remove err() macro from usb misc driversGreg Kroah-Hartman5-29/+37
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 <[email protected]>
2008-10-17USB: remove info() macro from usb/misc driversGreg Kroah-Hartman10-34/+47
USB should not be having it's own printk macros, so remove info() and use the system-wide standard of dev_info() wherever possible. Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-10-17USB: remove warn() macro from usb driversGreg Kroah-Hartman2-4/+5
USB should not be having it's own printk macros, so remove warn() and use the system-wide standard of dev_warn() wherever possible. In the few places that will not work out, use a basic printk(). Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-10-17USB: fix up problems in the vtusb driverStephen Ware1-20/+34
Add range check on buffer sizes passed in from user space (max is 8*PAGE_SIZE) which will work for the most common spectrometers even at pages as small as 1K. Add kref to vst device structure to preserve reference to the usb object until we truly are done with it. From: Stephen Ware <[email protected]> From: Dennis O'Brien <[email protected]> Signed-off-by: Dennis O'Brien <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-10-17USB: ftdi-elan: Always pass usb_bulk_msg() a timeout in milliseconds.Sarah Sharp1-5/+5
The kernel doc for usb_bulk_msg() says the timeout for a bulk message should be specified in milliseconds. The ftdi-elan driver converts milliseconds to jiffies before passing the timeout to usb_bulk_msg(). This is mostly harmless, since it will just lead to very long timeouts, but was obviously not the intent of the original author. Signed-off-by: Sarah Sharp <[email protected]> Acked-by: Tony Olech <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-10-17usb: vstusb.c : new driver for spectrometers used by Vernier Software & ↵Stephen Ware3-0/+784
Technology, Inc. This patch adds the vstusb driver to the drivers/usb/misc directory. This driver provides support for Vernier Software & Technology spectrometers, all made by Ocean Optics. The driver provides both IOCTL and read()/write() methods for sending raw data to spectrometers across the bulk channel. Each method allows for a configured timeout. From: Stephen Ware <[email protected]> Signed-off-by: Dennis O'Brien <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-10-17USB: drivers/usb/misc: Use an IS_ERR test rather than a NULL testJulien Brunel1-1/+1
In case of error, the function backlight_device_register returns an ERR pointer, but never returns a NULL pointer. So a NULL test that may come after a call to this function should be strengthened by an IS_ERR test. The semantic match that finds this problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @match_bad_null_test@ expression x, E; statement S1,S2; @@ x = backlight_device_register(...) ... when != x = E * if (x != NULL) S1 else S2 // </smpl> Signed-off-by: Julien Brunel <[email protected]> Signed-off-by: Julia Lawall <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-10-17USB: Added driver for a Delcom USB 7-segment LED DisplayHarrison Metzger3-0/+404
Added basic support for a Delcom USB 7-segment LED Display Signed-off by: Harrison Metzger <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-10-16device create: usb: convert device_create_drvdata to device_createGreg Kroah-Hartman3-9/+6
Now that device_create() has been audited, rename things back to the original call to be sane. Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-08-23removed unused #include <linux/version.h>'sAdrian Bunk1-1/+0
This patch lets the files using linux/version.h match the files that #include it. Signed-off-by: Adrian Bunk <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-08-21USB: sisusbvga: add USB ID for 0711:0918 Magic Control Technology Corp.Stefan Lippers-Hollmann1-0/+1
sisusbvga: add USB ID for 0711:0918 Magic Control Technology Corp. usb 1-2: new high speed USB device using ehci_hcd and address 4 usb 1-2: configuration #1 chosen from 1 choice usb 1-2: USB2VGA dongle found at address 4 usb 1-2: Allocated 8 output buffers usb 1-2: 8MB 1 ch/1 r SDR SDRAM, bus width 32 usb 1-2: New USB device found, idVendor=0711, idProduct=0918 usb 1-2: New USB device strings: Mfr=0, Product=0, SerialNumber=0 Signed-off-by: Stefan Lippers-Hollmann <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-08-13usb: auerswald: remove driver (obsolete)Wolfgang Mües3-2163/+0
This patch removes the auerswald USB driver from the linux kernel 2.6.26. This driver was included into the kernel mainly to connect to the ISDN framework. This was done in linux 2.4.x. For 2.6.x, due to the fragile and moving ISDN support, this connection was never realized, and the only use of this driver was for device configuration. In the age of DSL, the demand of ISDN support is getting very low. Meanwhile, with the advent of libusb, an userspace driver was done for the device configuration which works fine for linux and mac. (Thanks to the libusb developers!). The userspace driver is downloadable from the auerswald web site. So this driver is obsolete now and has to be removed. Many thanks to all developers which helped me to bring this driver up and working. Signed-off-by: Wolfgang Muees <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-08-12isight_firmware: fix a leak and double kfree()Parag Warudkar1-2/+2
Signed-off-by: Parag Warudkar <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-07-25Rename WARN() to WARNING() to clear the namespaceArjan van de Ven1-2/+2
We want to use WARN() as a variant of WARN_ON(), however a few drivers are using WARN() internally. This patch renames these to WARNING() to avoid the namespace clash. A few cases were defining but not using the thing, for those cases I just deleted the definition. Signed-off-by: Arjan van de Ven <[email protected]> Acked-by: Greg KH <[email protected]> Cc: Karsten Keil <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-07-21USB: sisusb: Push down the BKLAlan Cox1-7/+6
This is another case where the lock_kernel appears to be unneccessary and could be removed with a bit more investigative work Signed-off-by: Alan Cox <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-07-21USB: rio100: Push down the BKLAlan Cox1-4/+4
The BKL is actually probably not needed as the mutex seems sufficient. If so then a further patch to drop it would be a good followup. Signed-off-by: Alan Cox <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-07-21USB: auerwald: Push down the BKL into the driverAlan Cox1-4/+6
Also fix the unknown ioctl return code Signed-off-by: Alan Cox <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-07-21USB: iowarrior: Push down BKLAlan Cox1-3/+5
I'm pretty sure the mutex is sufficient for all locking but will come back to that later if the USB folks don't beat me to it. For now get rid of the old BKL ioctl method and wrap the ioctl handler Signed-off-by: Alan Cox <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-07-21USB: usblcd: Push down BKL into driverAlan Cox1-2/+4
I'm pretty sure this can be eliminated however I couldn't prove (or find) what stopped the device vanishing mid IOCTL_GET_HARD_VERSION. Perhaps a USB wizard could double check that and see if the lock_kernel can go entirely. Signed-off-by: Alan Cox <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-07-21USB: ftdi_usb: Eliminate ioctl and BKL ioctl useAlan Cox1-24/+0
ftdi has one ioctl, which is buggy and for debugging. Kill it off Signed-off-by: Alan Cox <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-07-21USB: remove CVS keywordsAdrian Bunk1-2/+0
This patch removes CVS keywords that weren't updated for a long time from comments. Signed-off-by: Adrian Bunk <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-07-10emi62: use request_firmware()David Woodhouse3-17747/+73
Signed-off-by: David Woodhouse <[email protected]>
2008-07-10emi26: use request_firmware()David Woodhouse2-5809/+66
Signed-off-by: David Woodhouse <[email protected]>
2008-07-10isight: treat firmware data as const[email protected]1-1/+1
Signed-off-by: Greg Kroah-Hartman <[email protected]> Signed-off-by: David Woodhouse <[email protected]>
2008-07-03sisusbvga: Fix oops on disconnect.Will Newton1-2/+0
Remove dev_info call on disconnect. The sisusb_dev pointer may have been set to zero by sisusb_delete at this point causing an oops. The message does not provide any extra information over the standard USB subsystem output so removing it does not affect functionality. Signed-off-by: Will Newton <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-06-11isight_firmware: Avoid crash on loading invalid firmwareMatthew Garrett1-7/+16
Different tools generate slightly different formats of the isight firmware. Ensure that the firmware buffer is not overrun, while still ensuring that the correct amount of data is written if trailing data is present. Signed-off-by: Matthew Garrett <[email protected]> Report-by: Justin Mattock <[email protected]> Tested-by: Justin Mattock <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-06-11USB: fix build bug in USB_ISIGHTFWIngo Molnar1-0/+1
USB: fix build bug in USB_ISIGHTFW -tip tree testing found this build bug: drivers/built-in.o: In function `isight_firmware_load': isight_firmware.c:(.text+0x1ade08): undefined reference to `request_firmware' isight_firmware.c:(.text+0x1adf9c): undefined reference to `release_firmware' select FW_LOADER in USB_ISIGHTFW. From: Ingo Molnar <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-05-29USB: Firmware loader driver for USB Apple iSight cameraMatthew Garrett3-0/+143
Uninitialised Apple iSight drivers present with a distinctive USB ID. Once firmware has been uploaded, they disconnect and reconnect with a new ID. At this point they can be driven by the uvcvideo driver. As this is unique to the Apple cameras and not functionality shared by any other UVC devices, it makes sense to provide the firmware loading functionality in a separate driver. This driver will read an isight.fw file extracted from the Apple driver using the tools at http://bersace03.free.fr/ift/ and upload it to the camera. It will also handle the case where the device loses its firmware during hibernation and must have it reloaded. Signed-off-by: Matthew Garrett <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-05-20USB: Phidget: fix race in device_createGreg Kroah-Hartman3-10/+9
There is a race from when a device is created with device_create() and then the drvdata is set with a call to dev_set_drvdata() in which a sysfs file could be open, yet the drvdata will be NULL, causing all sorts of bad things to happen. This patch fixes the problem by using the new function, device_create_drvdata(). It fixes all 3 phidget drivers, which all have the same problem. Cc: Kay Sievers <[email protected]> Cc: Sean Young <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-05-14usbtest: comment on why this code "expects" negative and positive errnosMarcin Slusarz1-0/+5
On Mon, May 12, 2008 at 01:02:22AM -0700, David Brownell wrote: > On Sunday 11 May 2008, Marcin Slusarz wrote: > > > > test_ctrl_queue expects (?) positive and negative errnos. > > what is going on here? > > The sign is just a way to flag something: > > /* some faults are allowed, not required */ > > The negative ones are required. Positive codes are optional, > in the sense that, depending on how the peripheral happens > to be implemented, they won't necessarily be triggered. > > For example, the test to fetch a device qualifier desriptor > must succeed if the device is running at high speed. So that > test is marked as negative. But when it's full speed, it > could legitimately fail; marked as positive. And so on for > other tests. > > Look at how the codes are *interpreted* to see it work. Lets document it. Based on comment from David Brownell <[email protected]>. Signed-off-by: Marcin Slusarz <[email protected]> Cc: David Brownell <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2008-05-14USB: remove PICDEM FS USB demo (04d8:000c) device from ldusbXiaofan Chen1-4/+0
Microchip has changed the PICDEM FS USB demo device (0x04d8:000c) to use bulk transfer and not interrupt transfer. So I've updated the libusb based program here (Post #31). http://forum.microchip.com/tm.aspx?m=106426&mpage=2 So I believe that the in-kernel ldusb driver will no longer work with the demo firmware. It should be removed. Signed-off-by: Xiaofan Chen <[email protected]> Cc: Michael Hund <[email protected]> Cc: stable <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
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