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path: root/drivers/usb/wusbcore
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2016-03-17Merge tag 'usb-4.6-rc1' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB updates from Greg KH: "Here is the big USB patchset for 4.6-rc1. The normal mess is here, gadget and xhci fixes and updates, and lots of other driver updates and cleanups as well. Full details are in the shortlog. All have been in linux-next for a while with no reported issues" * tag 'usb-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (266 commits) USB: core: let USB device know device node usb: devio: Add ioctl to disallow detaching kernel USB drivers. usb: gadget: f_acm: Fix configfs attr name usb: udc: lpc32xx: remove USB PLL and USB OTG clock management usb: udc: lpc32xx: remove direct access to clock controller registers usb: udc: lpc32xx: switch to clock prepare/unprepare model usb: renesas_usbhs: gadget: fix giveback status code in usbhsg_pipe_disable() usb: gadget: renesas_usb3: Use ARCH_RENESAS usb: dwc2: Fix issues in dwc2_complete_non_isoc_xfer_ddma() usb: dwc2: Add support for Lantiq ARX and XRX SoCs usb: phy: generic: Handle late registration of gadget usb: gadget: bdc_udc: fix race condition in bdc_udc_exit() usb: musb: core: added missing const qualifier to musb_hdrc_platform_data::config usb: dwc2: Move host-specific core functions into hcd.c usb: dwc2: Move register save and restore functions usb: dwc2: Use kmem_cache_free() usb: dwc2: host: If using uframe scheduler, end splits better usb: dwc2: host: Totally redo the microframe scheduler usb: dwc2: host: Properly set even/odd frame usb: dwc2: host: Add dwc2_hcd_get_future_frame_number() call ...
2016-01-27wusb: Use skcipherHerbert Xu1-14/+16
This patch replaces uses of blkcipher with skcipher. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-01-24USB: core, wusbcore: use bus_to_hcdGeliang Tang1-1/+1
Use bus_to_hcd() instead of open-coding it. Signed-off-by: Geliang Tang <geliangtang@163.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-04-03wusbcore: rh: use USB_DT_HUBSergei Shtylyov1-1/+1
Fix using the bare number to set the 'bDescriptorType' field of the Hub Descriptor while the value is #define'd in <linux/usb/ch11.h>. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-02-15Merge tag 'usb-3.20-rc1' of ↵Linus Torvalds1-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB patches from Greg KH: "Here's the big pull request for the USB driver tree for 3.20-rc1. Nothing major happening here, just lots of gadget driver updates, new device ids, and a bunch of cleanups. All of these have been in linux-next for a while with no reported issues" * tag 'usb-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (299 commits) usb: musb: fix device hotplug behind hub usb: dwc2: Fix a bug in reading the endpoint directions from reg. staging: emxx_udc: fix the build error usb: Retry port status check on resume to work around RH bugs Revert "usb: Reset USB-3 devices on USB-3 link bounce" uhci-hub: use HUB_CHAR_* usb: kconfig: replace PPC_OF with PPC ehci-pci: disable for Intel MID platforms (update) usb: gadget: Kconfig: use bool instead of boolean usb: musb: blackfin: remove incorrect __exit_p() USB: fix use-after-free bug in usb_hcd_unlink_urb() ehci-pci: disable for Intel MID platforms usb: host: pci_quirks: joing string literals USB: add flag for HCDs that can't receive wakeup requests (isp1760-hcd) USB: usbfs: allow URBs to be reaped after disconnection cdc-acm: kill unnecessary messages cdc-acm: add sanity checks usb: phy: phy-generic: Fix USB PHY gpio reset usb: dwc2: fix USB core dependencies usb: renesas_usbhs: fix NULL pointer dereference in dma_release_channel() ...
2015-02-13usb: use %*pb[l] to print bitmaps including cpumasks and nodemasksTejun Heo3-11/+6
printk and friends can now format bitmaps using '%*pb[l]'. cpumask and nodemask also provide cpumask_pr_args() and nodemask_pr_args() respectively which can be used to generate the two printf arguments necessary to format the specified cpu/nodemask. * drivers/uwb/drp.c::uwb_drp_handle_alien_drp() was formatting mas.bm into a buffer but never used it. Removed. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-01-25wusbcore: rh: use HUB_CHAR_*Sergei Shtylyov1-2/+2
Fix using the bare numbers to set the 'wHubCharacteristics' field of the Hub Descriptor while the values are #define'd in <linux/usb/ch11.h>. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-02wusb: replace memset by memzero_explicitJulia Lawall2-5/+5
Memset on a local variable may be removed when it is called just before the variable goes out of scope. Using memzero_explicit defeats this optimization. A simplified version of the semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ identifier x; type T; @@ { ... when any T x[...]; ... when any when exists - memset + memzero_explicit (x, -0, ...) ... when != x when strict } // </smpl> This change was suggested by Daniel Borkmann <dborkman@redhat.com> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-23usb: hub: rename khubd to hub_wq in documentation and commentsPetr Mladek2-4/+4
USB hub has started to use a workqueue instead of kthread. Let's update the documentation and comments here and there. This patch mostly just replaces "khubd" with "hub_wq". There are only few exceptions where the whole sentence was updated. These more complicated changes can be found in the following files: Documentation/usb/hotplug.txt drivers/net/usb/usbnet.c drivers/usb/core/hcd.c drivers/usb/host/ohci-hcd.c drivers/usb/host/xhci.c Signed-off-by: Petr Mladek <pmladek@suse.cz> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-23usb: wusbcore: fix device disconnect on rekey timeoutThomas Pugliese2-1/+19
If three or more wireless devices are connected and two of them disconnect between 1-3 seconds apart, it can cause the HWA to disconnect the remaining devices due to failing to see a DN_Alive message from them. This happens because when the HWA detects that the first device is gone, it will attempt to rekey the remaining devices. If one of the devices is not responding because it has also been disconnected but not yet timed out, the synchronous rekey operation running on the wusbd workqueue can block for up to 5 seconds. This will prevent the KEEPALIVE timer from running and DN_Alive messages from being processed because they are processed by the same workqueue. This patch moves the rekey operation to a separate workqueue since it is the only wusb work item that needs to communicate directly with wireless devices. The rest of the WUSB work items either perform no device IO or communicate directly with the host controller and should not be blocked out by a non-responding wireless device. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-23usb: wusbcore: skip done segs before completing aborted transferThomas Pugliese1-3/+14
When completing an aborted transfer, skip done segs before calling wa_complete_remaining_xfer_segs to avoid a runtime warning. The warning is harmless in this case but avoiding it prevents false error reports. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-23usb: wusbcore: USB_WUSB_CBAF depends on USBThomas Pugliese1-0/+1
Add USB build dependency for USB_WUSB_CBAF. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-23usb: wusbcore: remove USB_WUSB build dependency on PCIThomas Pugliese1-1/+0
Wireless USB does not require PCI so remove USB_WUSB build dependency on PCI. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-23wusb: delete double assignmentJulia Lawall1-2/+0
Delete successive assignments to the same location. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression i; @@ *i = ...; i = ...; // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-08-19usb: wusbcore: fix below build warningPeter Chen1-2/+1
linux-2.6/drivers/usb/wusbcore/wa-xfer.c: In function 'wa_buf_in_cb': linux-2.6/drivers/usb/wusbcore/wa-xfer.c:2590: warning: 'rpipe' may be used uninitialized in this function Signed-off-by: Peter Chen <peter.chen@freescale.com> Suggested-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-27USB: wusbcore: fix control-pipe directionsJohan Hovold1-2/+2
Fix incorrect pipe directions in control requests (which has been silently fixed up by USB core). Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-04-24usb: wusbcore: fix panic in wusbhc_chid_setThomas Pugliese1-1/+1
If no valid CHID value has previously been set on an HWA, writing a value of all zeros will cause a kernel panic in uwb_radio_stop because wusbhc->uwb_rc has not been set. This patch skips the call to uwb_radio_stop if wusbhc->uwb_rc has not been initialized. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-04-24usb: wusbcore: convert nested lock to use spin_lock instead of spin_lock_irqThomas Pugliese1-2/+2
Nesting a spin_lock_irq/unlock_irq inside a lock that has already disabled interrupts will enable interrupts before we are ready when spin_unlock_irq is called. This patch converts the inner lock to use spin_lock and spin_unlock instead. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-03-08usb: wusbcore: use multiple urbs for HWA iso transfer result frame readsThomas Pugliese3-74/+134
Submit multiple concurrent urbs for HWA isochronous transfer result data frame reads. This keeps the read pipeline full and significantly improves performance in cases where the frame reads cannot be combined because they are not contiguous or multiples of the max packet size. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-03-08usb: wusbcore: combine iso transfer result frame reads when possibleThomas Pugliese1-30/+76
When reading the transfer result data for an isochronous in request, if the current frame actual_length is contiguous with the next frame and actual_length is a multiple of the DTI endpoint max packet size, combine the current frame with the next frame in a single URB. This reduces the number of URBs that must be submitted in that case which increases performance and reduces CPU interrupt overhead. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-03-07usb: wusbcore: disable transfer notifications for Alereon HWAsThomas Pugliese2-34/+60
The HWA driver does not do anything with transfer notifications after receiving the first one and the Alereon HWA allows them to be disabled as a performance optimization. This patch sends a vendor specific command to the Alereon HWA on startup to disable transfer notifications. If the command is successful, the DTI system is started immediately since that would normally be started upon the first reception of a transfer notification which will no longer be sent. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-03-07usb: wusbcore: don't mark WA_SEG_DTI_PENDING segs as done in urb_dequeueThomas Pugliese1-1/+10
Data for transfer segments in the WA_SEG_DTI_PENDING state is actively being read by the driver. Let the buffer read callback handle the transfer cleanup since cleaning it up in wa_urb_dequeue will cause the read callback to access invalid memory if the transfer is completed. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-03-07usb: wusbcore: fix potential double list_del on urb dequeueThomas Pugliese1-2/+6
This patch locks rpipe->seg_lock around the entire transfer segment cleanup loop in wa_urb_dequeue instead of just one case of the switch statement. This fixes a race between __wa_xfer_delayed_run and wa_urb_dequeue where a transfer segment in the WA_SEG_DELAYED state could be removed from the rpipe seg_list twice leading to memory corruption. It also switches the spin_lock call to use the non-irqsave version since the xfer->lock is already held and irqs already disabled. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28usb: wusbcore: fix compile warningsThomas Pugliese2-7/+3
Fix "pointer targets differ in signedness" and "variable set but not used" warnings Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28usb: wusbcore: add info to HWA debug printsThomas Pugliese1-9/+16
This patch adds a debug print in the transfer dequeue case where a transfer result arrives for a transfer that has already been cleaned up. It also adds the transfer ID to some debug prints and prints error codes as signed integers in a couple of others. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28usb: wusbcore: read actual_length bytes isoc in segmentsThomas Pugliese1-1/+1
Use the iso_frame_desc.actual_length field instead of length when reading isoc in data segments from the HWA. This fixes a case where the isoc in read URB would never complete because it expected the HWA to send more data than it actually did. When this happened the URB would be stuck in the driver preventing module unload and clean shutdown. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28usb: wusbcore: adjust iterator correctly when searching for ep comp descriptorThomas Pugliese1-1/+1
If the endpoint companion descriptor is not the first descriptor in the extra descriptor buffer of a usb_host_endpoint, the loop in rpipe_epc_find will get its buffer pointer and remaining size values out of sync. The buffer ptr 'itr' is advanced by the descriptor's bLength field but the remaining size value 'itr_size' is decremented by the bDescriptorType field which is incorrect. This patch fixes the loop to decrement itr_size by bLength as it should. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28usb: wusbcore: add a convenience function for completing a transfer segmentThomas Pugliese1-21/+27
This patch adds a convenience function for the commonly performed task of marking a transfer segment as done. It combines the 3 steps of setting the segment status, incrementing the segs_done field of the transfer and checking if the completed segment results in the transfer also being done. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28usb: wusbcore: prevent urb dequeue and giveback raceThomas Pugliese1-10/+27
This patch takes a reference to the wa_xfer object in wa_urb_dequeue to prevent the urb giveback code from completing the xfer and freeing it while wa_urb_dequeue is executing. It also checks for done at the start to avoid a double completion scenario. Adding the check for done in urb_dequeue means that any other place where a submitted transfer segment is marked as done must complete the transfer if it is done. __wa_xfer_delayed_run was not checking this case so that check was added as well. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28usb: wusbcore: fix stranded URB after HWA unplugThomas Pugliese1-5/+51
This patch adds error checking to the abort request callback to forcibly clean up the dequeued transfers if the abort request failed. The wa_complete_remaining_xfer_segs was modified so that it could be used in this situation as well. This fixes a stranded URB/PNP hang when the HWA is unplugged while playing audio to a wireless audio device. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28usb: wusbcore: fix kernel panic on HWA unplugThomas Pugliese1-4/+44
This patch adds ref counting to sections of code that operate on struct wa_xfer objects that were missing it. Specifically, error handling cases need to be protected from freeing the xfer while it is still in use elsewhere. This fixes a kernel panic that can occur when pulling the HWA dongle while data is being transferred to a wireless device. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-01-08usb: delete non-required instances of include <linux/init.h>Paul Gortmaker2-2/+0
None of these files are actually using any __init type directives and hence don't need to include <linux/init.h>. Most are just a left over from __devinit and __cpuinit removal, or simply due to code getting copied from one driver to the next. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-01-07USB: wusbcore: fix up coding style issues in wa-nep.cRahul Bedarkar1-4/+6
Signed-off-by: Rahul Bedarkar <rahulbedarkar89@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-01-07USB: wusbcore: fix up coding style issues in wa-rpipe.cRahul Bedarkar1-3/+3
Signed-off-by: Rahul Bedarkar <rahulbedarkar89@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-01-07USB: wusbcore: fix up coding style issues in wusbhc.c and wusbhc.hRahul Bedarkar2-8/+14
Signed-off-by: Rahul Bedarkar <rahulbedarkar89@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-01-07USB: wusbcore: fix up line break coding style issues in mmc.cRahul Bedarkar1-3/+6
Signed-off-by: Rahul Bedarkar <rahulbedarkar89@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-01-07USB: wusbcore: fix up line break coding style issues in security.cRahul Bedarkar1-7/+11
Signed-off-by: Rahul Bedarkar <rahulbedarkar89@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-01-07USB: wusbcore: fix up line break coding style issues in wa-hc.hRahul Bedarkar1-4/+4
Signed-off-by: Rahul Bedarkar <rahulbedarkar89@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-01-07USB: wusbcore: fix up minor coding style issues in cbaf.cRahul Bedarkar1-5/+7
Signed-off-by: Rahul Bedarkar <rahulbedarkar89@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-01-07USB: wusbcore: correct spelling mistakes in comments and error stringRahul Bedarkar7-12/+12
Signed-off-by: Rahul Bedarkar <rahulbedarkar89@gmail.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-20usb: wusbcore: add debug prints to reservation and channel changeThomas Pugliese2-0/+2
This patch adds debug prints to the reservation and channel change sequence to help with debugging channel change problems. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-17usb: wusbcore: add isochronous IN support to HWAThomas Pugliese1-98/+207
This patch adds support for isochronous IN transfers to the HWA driver. The changes include removing the checks that return errors for isoc IN URBs and adding functionality to read the isoc data returned from the HWA. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-16Merge branch 3.13-rc4 into usb-nextGreg Kroah-Hartman5-103/+153
2013-12-09usb: wusbcore: set packet count correctly on isoc transfersThomas Pugliese1-0/+5
This patch correctly sets the dwNumOfPackets field of the HWA transfer request for isochronous transfers with multiple segments. Previously all segments used the value that was set for the first segment which may not be correct. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-09usb: wusbcore: move isoc_frame_index from wa_xfer to wa_segThomas Pugliese1-11/+10
If multiple segments belonging to an isoc transfer are submitted concurrently, the isoc_frame_index field in struct wa_xfer can get corrupted. This patch moves the isoc_frame_index field from struct wa_xfer to struct wa_seg to prevent this from happening. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-09usb: wusbcore: use USB_CTRL_SET_TIMEOUT and USB_CTRL_GET_TIMEOUTThomas Pugliese4-22/+23
Use USB_CTRL_SET_TIMEOUT and USB_CTRL_GET_TIMEOUT for USB control messages instead of an arbitrary 1s timeout value. This is particularly useful for WUSB since in the worst case RF scanario, a WUSB device can be unresponsive for up to 4s and still be connected. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-09usb: wusbcore: fix short transfersThomas Pugliese1-54/+74
If a URB is broken up into multiple transfer segments and a short transfer occurs in any segment other than the last, the URB will currently get stuck in the driver forever. This patch adds a check for a short transfer and cleans up any pending segments so the URB can complete properly. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-08usb: wusbcore: return -ENOENT for unlinked URBs.Thomas Pugliese1-3/+5
Return -ENOENT for unlinked URBs. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-08usb: wusbcore: add more info to debug prints in urb_unlink pathThomas Pugliese1-10/+11
Add more info to debug prints in urb_unlink path Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-08usb: wusbcore: add calls to usb_hcd_link_urb_to_ep, ↵Thomas Pugliese2-3/+25
usb_hcd_unlink_urb_from_ep, and Add calls to usb_hcd_link_urb_to_ep, usb_hcd_unlink_urb_from_ep, and usb_hcd_check_unlink_urb in the appropriate locations. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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