linux/drivers/usb/dwc3, branch v4.2

usb: dwc3: Reset the transfer resource index on SET_INTERFACE

2015-07-22T13:52:42Z

This fixes an issue introduced in commit b23c843992b6 (usb: dwc3: gadget: fix DEPSTARTCFG for non-EP0 EPs) that made sure we would only use DEPSTARTCFG once per SetConfig. The trick is that we should use one DEPSTARTCFG per SetConfig *OR* SetInterface. SetInterface was completely missed from the original patch. This problem became aparent after commit 76e838c9f776 (usb: dwc3: gadget: return error if command sent to DEPCMD register fails) added checking of the return status of device endpoint commands. 'Set Endpoint Transfer Resource' command was caught failing occasionally. This is because the Transfer Resource Index was not getting reset during a SET_INTERFACE request. Finally, to fix the issue, was we have to do is make sure that our start_config_issued flag gets reset whenever we receive a SetInterface request. To verify the problem (and its fix), all we have to do is run test 9 from testusb with 'testusb -t 9 -s 2048 -a -c 5000'. Tested-by: Huang Rui Tested-by: Subbaraya Sundeep Bhatta Fixes: b23c843992b6 (usb: dwc3: gadget: fix DEPSTARTCFG for non-EP0 EPs) Cc: # v3.2+ Signed-off-by: John Youn Signed-off-by: Felipe Balbi

usb: dwc3: core: avoid NULL pointer dereference

2015-07-06T17:34:08Z

commit 3e10a2ce98d1 ("usb: dwc3: add hsphy_interface property") introduced a possible NULL pointer dereference because dwc->hsphy_interface can be NULL. In order to fix it, all we have to do is guard strncmp() against a NULL argument. Fixes: 3e10a2ce98d1 ("usb: dwc3: add hsphy_interface property") Tested-by: Murali Karicheri Signed-off-by: Felipe Balbi

usb: dwc3: Use ASCII space in Kconfig

2015-06-13T00:42:31Z

The USB_DWC3_ULPI Kconfig entry uses a UTF-8 non-breaking space (0xca20) instead of a regular ASCII space (0x20). Commit 2e0d737fc76f ("kconfig: don't silently ignore unhandled characters") exposes this by warning about unhandled characters. Signed-off-by: Thierry Reding Signed-off-by: Greg Kroah-Hartman

Merge 4.1-rc7 into usb-next

2015-06-08T17:57:51Z

This resolves a merge issue in musb_core.c and we want the fixes that were in Linus's tree in this branch as well for testing. Signed-off-by: Greg Kroah-Hartman

Merge tag 'usb-for-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

2015-06-02T01:47:03Z

Felipe writes: usb: patches for v4.2 merge window - dwc2 adds hibernation support - preparation for sunxi glue to musb driver - new ULPI bus - new ULPI PHY driver for TUSB1210 - musb patches to support multiple DMA engines on same binary - support for R-Car E2 on renesas_usbhs Signed-off-by: Felipe Balbi

usb: dwc3: gadget: don't clear EP_BUSY too early

2015-05-29T15:19:51Z

In case of non-Isochronous transfers, we don't want to clear DWC3_EP_BUSY flag until XferComplete event. That's because XferInProgress was only enabled so we can recycle TRBs and usb_requests quicker, but there are still other pending requests being transferred. In order to make sure we don't allow for another StartTransfer command while the HW is still processing other transfers, we must keep DWC3_EP_BUSY flag set and this what this patch does. Fixes: f3af36511e60 (usb: dwc3: gadget: always enable IOC on bulk/interrupt transfers) Cc: # v3.15+ Reported-by: sundeep subbaraya Tested-by: sundeep subbaraya Signed-off-by: Felipe Balbi

usb: dwc3: gadget: return error if command sent to DEPCMD register fails

2015-05-26T15:39:29Z

We need to return error to caller if command is not sent to controller succesfully. Signed-off-by: Subbaraya Sundeep Bhatta Fixes: 72246da40f37 (usb: Introduce DesignWare USB3 DRD Driver) Cc: Signed-off-by: Felipe Balbi

usb: dwc3: gadget: return error if command sent to DGCMD register fails

2015-05-26T15:39:23Z

We need to return error to caller if command is not sent to controller succesfully. Signed-off-by: Subbaraya Sundeep Bhatta Fixes: b09bb64239c8 (usb: dwc3: gadget: implement Global Command support) Cc: #v3.5+ Signed-off-by: Felipe Balbi

usb: dwc3: gadget: Fix incorrect DEPCMD and DGCMD status macros

2015-05-26T14:44:55Z

Fixed the incorrect macro definitions correctly as per databook. Signed-off-by: Subbaraya Sundeep Bhatta Fixes: b09bb64239c8 (usb: dwc3: gadget: implement Global Command support) Cc: #v3.5+ Signed-off-by: Felipe Balbi

usb: dwc3: add ULPI interface support

2015-05-13T17:06:52Z

Registers DWC3's ULPI interface with the ULPI bus when it's available. Signed-off-by: Heikki Krogerus Acked-by: David Cohen Signed-off-by: Felipe Balbi