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path: root/drivers/usb/dwc2/gadget.c
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2015-10-01usb: dwc2: gadget: kill ep0 requests before reinitializing coreMian Yousaf Kaukab1-5/+3
Make sure there are no requests pending on ep0 before reinitializing core. Otherwise, dwc2_hsotg_enqueue_setup will fail afterwards. Also, take hsotg->lock before calling dwc2_hsotg_core_init_disconnected() from dwc2_conn_id_status_change() as dwc2_hsotg_complete_request() expect lock to be held. Signed-off-by: Mian Yousaf Kaukab <[email protected]> Tested-by: Robert Baldyga <[email protected]> Tested-by: Dinh Nguyen <[email protected]> Tested-by: John Youn <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-10-01usb: dwc2: gadget: stop current transfer on dequeueMian Yousaf Kaukab1-0/+77
If the request being dequeued is already started, disable endpoint to stop the transfer and then call dwc2_hsotg_complete_request(). Endpoint will be re-enabled on next call to dwc2_hsotg_start_req(). Signed-off-by: Mian Yousaf Kaukab <[email protected]> Tested-by: Robert Baldyga <[email protected]> Tested-by: Dinh Nguyen <[email protected]> Tested-by: John Youn <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-10-01usb: dwc2: gadget: print complete setup packetMian Yousaf Kaukab1-3/+4
wIndex field was missing. Also print in natural order instead of Req first, so that its easier to compare for example against bus analyzer logs. Signed-off-by: Mian Yousaf Kaukab <[email protected]> Tested-by: Robert Baldyga <[email protected]> Tested-by: Dinh Nguyen <[email protected]> Tested-by: John Youn <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-10-01usb: dwc2: gadget: ignore stall check for ep0Mian Yousaf Kaukab1-1/+1
dwc2_hsotg_start_req starts a request only if endpoint is not stalled. Ignore this check for ep0 as core will clear DOEPCTL0.Stall after sending stall handshake. Prepare instead for receiving next setup packet. Signed-off-by: Mian Yousaf Kaukab <[email protected]> Tested-by: Robert Baldyga <[email protected]> Tested-by: Dinh Nguyen <[email protected]> Tested-by: John Youn <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-10-01usb: dwc2: gadget: abort core init if core_reset failsGregory Herrero1-1/+2
No point of continue with initialization if core is not in a sane state. Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Tested-by: Robert Baldyga <[email protected]> Tested-by: Dinh Nguyen <[email protected]> Tested-by: John Youn <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-10-01usb: dwc2: gadget: set op_state in vbus_session callGregory Herrero1-0/+1
Some device may have external id pin control enabled, so op_state will not be set on id pin interrupt change. Thus, ensure op_state is set to peripheral during vbus detection. Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Tested-by: Robert Baldyga <[email protected]> Tested-by: Dinh Nguyen <[email protected]> Tested-by: John Youn <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-10-01usb: dwc2: gadget: don't modify pullup state in host modeGregory Herrero1-1/+8
Modifying the pullup state during host mode trig a new enumeration of attached device. Thus, avoid modifying pullup in host mode. Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Tested-by: Robert Baldyga <[email protected]> Tested-by: Dinh Nguyen <[email protected]> Tested-by: John Youn <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-10-01usb: dwc2: gadget: initialize op_state for peripheral only configurationMian Yousaf Kaukab1-0/+2
ID status change interrupt will not be handled in peripheral only configuration. So initialize op_state during gadget init. Signed-off-by: Mian Yousaf Kaukab <[email protected]> Tested-by: Robert Baldyga <[email protected]> Tested-by: Dinh Nguyen <[email protected]> Tested-by: John Youn <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-10-01usb: dwc2: gadget: ensure lx_state corresponds to current stateGregory Herrero1-4/+4
Correctly update lx_state on gadget connection and disconnection. When usb cable is disconnected, lx_state must be updated to L3 as controller could be in power off state. When usb cable is connected, lx_state must be updated to L0 as controller is powered. Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Tested-by: Robert Baldyga <[email protected]> Tested-by: Dinh Nguyen <[email protected]> Tested-by: John Youn <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-09-27usb: dwc2: Use platform endianness when accessing registersAntti Seppälä1-142/+142
This patch switches calls to readl/writel to their dwc2_readl/dwc2_writel equivalents which preserve platform endianness. This patch is necessary to access dwc2 registers correctly on big-endian systems such as the mips based SoCs made by Lantiq. Then dwc2 can be used to replace ifx-hcd driver for Lantiq platforms found e.g. in OpenWrt. The patch was autogenerated with the following commands: $EDITOR core.h sed -i "s/\<readl\>/dwc2_readl/g" *.c hcd.h hw.h sed -i "s/\<writel\>/dwc2_writel/g" *.c hcd.h hw.h Some files were then hand-edited to fix checkpatch.pl warnings about too long lines. Signed-off-by: Antti Seppälä <[email protected]> Signed-off-by: Vincent Pelletier <[email protected]> Signed-off-by: John Youn <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-09-27usb: dwc2: rename all s3c_* to dwc2_*Felipe Balbi1-348/+348
this driver has long ago became dwc2.ko with both peripheral and host roles, there's no point in keeping the old function names. Acked-by: John Youn <[email protected]> Tested-by: John Youn <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-08-04usb: dwc2: gadget: add ep capabilities supportRobert Baldyga1-0/+13
Convert endpoint configuration to new capabilities model. Signed-off-by: Robert Baldyga <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-07-29usb: dwc2: gadget: use | instead of + for bitmasksFelipe Balbi1-1/+1
It's just a lot clearer to use | operator instead of + operator. Caught by coccicheck: " drivers/usb/dwc2/gadget.c:2883:26-27: WARNING: sum of probable bitmasks, consider | " Cc: John Youn <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-04-29usb: dwc2: remove dwc2_platform.koMian Yousaf Kaukab1-5/+0
As dwc2 pci module is now exporting dwc2 platform device, include platform.o in dwc2-y and remove USB_DWC2_PLATFORM configuration option. Driver will be built as two modules, dwc2.ko and dwc2_pci.ko. dwc2.ko is the new platform driver. Remove all EXPORT_SYMBOL_GPL as they are not needed any more. Acked-by: John Youn <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-04-29usb: dwc2: gadget: remove s3c_hsotg_ep_disable_forceMian Yousaf Kaukab1-5/+1
Force argument is not used anymore. Clean up leftovers from https://lkml.org/lkml/2014/12/9/283 Acked-by: John Youn <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-04-29usb: dwc2: gadget: enable otg flag in dual role configurationGregory Herrero1-0/+2
Inform that device is otg-capable in case of otg configuration. Acked-by: John Youn <[email protected]> Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-04-29usb: dwc2: gadget: powerup controller if neededGregory Herrero1-0/+9
During vbus session, usb controller needs to exit hibernation if it was previously in suspend state. Since controller will be resetted and configured, there is no need to restore registers. Moreover, set lx_state to L0 on B session. vbus_session callback may not be used by all platforms. Thus, controller software state needs to be set to L0 if the controller detects a valid B session. Otherwise, lx_state will remain L2 and prevent any request submission. Acked-by: John Youn <[email protected]> Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-04-29usb: dwc2: gadget: prevent new request submission during suspendGregory Herrero1-0/+7
If usb controller is in partial power down, any write to registers may cause unpredictable behavior. Thus, prevent any new request submission once controller is in partial power down. Acked-by: John Youn <[email protected]> Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-04-29usb: dwc2: gadget: ignore pm suspend/resume in L2Gregory Herrero1-0/+6
Nothing to be done in pm suspend/resume when controller is in L2. Don't disconnect or reset. State is already saved when putting controller in hibernation and will be restored on USB bus resume. Acked-by: John Youn <[email protected]> Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-04-29usb: dwc2: gadget: use reset detect interruptGregory Herrero1-3/+16
ResetDet interrupt is used to detect a reset of the bus while the controller is suspended. This may happens for example when using Command Verifier. Acked-by: John Youn <[email protected]> Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-04-29usb: dwc2: move debugfs code to a separate fileMian Yousaf Kaukab1-404/+1
Prepare to add more debug code. Moreover, don't save dentry * for each file in struct dwc2_hsotg as clean up is done with debugfs_remove_recursive(). s3c_hsotg_delete_debug() is removed altogether for the same reason. Acked-by: John Youn <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-02-04usb: dwc2: Fix a bug in reading the endpoint directions from reg.Roshan Pius1-1/+1
According to the DWC2 datasheet, the HWCFG1 register stores the configured endpoint directions for endpoints 0-15 in bit positions 0-31. ========================== Endpoint Direction (EpDir) This 32-bit field uses two bits per endpoint to determine the endpoint direction. Endpoint Bits [31:30]: Endpoint 15 direction Bits [29:28]: Endpoint 14 direction .... Bits [3:2]: Endpoint 1 direction Bits[1:0]: Endpoint 0 direction (always BIDIR) ========================== The DWC2 driver is currently interpreting the contents of the register as directions for endpoints 1-15 which leads to an error in determining the configured endpoint directions in the core because the first 2 bits determine the direction of endpoint 0 and not 1. This is based on testing/next branch in Felipe's git. Signed-off-by: Roshan Pius <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-30usb: dwc2: gadget: initialize controller in pullup callbackGregory Herrero1-0/+1
USB reset interrupt is no more used to reset the controller. Thus, reset the controller in pullup callback as described by Synopsys programming guide. Otherwise enumeration sometimes fails when usb configuration is switched without physical disconnection. Tested-by: Robert Baldyga <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-30usb: dwc2: gadget: replace constants with definesMian Yousaf Kaukab1-12/+12
Defines are more readable and searchable than constants. Tested-by: Robert Baldyga <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-30usb: dwc2: gadget: fix phy interface configurationMian Yousaf Kaukab1-3/+7
hsotg->phyif is set in dwc2_gadget_init according to phy interface width. Use it for configuration instead of hardcoded value. Moreover, set USB turnaround time according to phy width. Tested-by: Robert Baldyga <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-30usb: dwc2: gadget: fix debug message for zlpMian Yousaf Kaukab1-1/+6
Print debug message according to zlp direction. Always saying "Sending" is misleading. Tested-by: Robert Baldyga <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-30usb: dwc2: gadget: don't modify pullup status during resetGregory Herrero1-1/+0
Pullup doesn't need to be enabled during usb reset since it is already enabled. This leads to shorter chirp-k duration if done during usb reset. Tested-by: Robert Baldyga <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-30usb: dwc2: gadget: add reset flag in init functionGregory Herrero1-12/+21
Add a flag to request physical reset of the controller when s3c_hsotg_core_init_disconnected is called. During the usb reset, controller must not be fully reconfigured and resetted. Else this leads to shorter chirp-k duration during enumeration. Tested-by: Robert Baldyga <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-30usb: dwc2: gadget: add unaligned buffers supportMian Yousaf Kaukab1-1/+61
When using DMA, dwc2 requires buffers to be 4 bytes aligned. Use bounce buffers if they are not. Tested-by: Robert Baldyga <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-30usb: dwc2: gadget: remove hardcoded if (0) and if (1) checksMian Yousaf Kaukab1-13/+1
Remove dead code as well. Tested-by: Robert Baldyga <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-30usb: dwc2: gadget: fix a typo in commentGregory Herrero1-1/+1
s3c_hsotg_process_req_feature comments was not correct Tested-by: Robert Baldyga <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-30usb: dwc2: gadget: add TEST_MODE feature supportGregory Herrero1-7/+182
Handle SET_FEATURE TEST_MODE request sent by the host. Slightly rework FEATURE request handling to allow parsing other request types than Endpoint. Also add a debugfs to change test mode value from user space. Tested-by: Robert Baldyga <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-30usb: dwc2: gadget: fix clear halt feature handlingGregory Herrero1-7/+13
When clearing HALT on an endpoint, req->complete of in progress requests must be called with locks off. New request should only be started if there is not already a pending request on the endpoint. Tested-by: Robert Baldyga <[email protected]> Acked-by: John Youn <[email protected]> Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-19Merge tag 'v3.19-rc5' into nextFelipe Balbi1-1/+5
Linux 3.19-rc5 Conflicts: drivers/usb/dwc2/gadget.c drivers/usb/gadget/udc/bdc/bdc_ep.c
2015-01-12usb: dwc2: gadget: report disconnection after resetMian Yousaf Kaukab1-1/+4
If usb bus is reset without a physical disconnection, all endpoints will remain open. Call s3c_hsotg_disconnect() from reset handler to report a disconnect to gadget framework. hsotg->connected is checked in s3c_hsotg_disconnect() before processing disconnect. In some cases, USBRst is seen before EnumDone and after it as well. So move setting of hsotg->connected to set-address to avoid reporting extra disconnection in this case. Tested-by: Robert Baldyga <[email protected]> Acked-by: Paul Zimmerman <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-12usb: dwc2: gadget: force gadget initialization in dev modeGregory Herrero1-0/+16
When booting with id pin grounded, dwc2 default to host mode. Thus, force device mode prior initializing gadget part. Else fifo init will fail since fifo values are not correct in host mode. Tested-by: Robert Baldyga <[email protected]> Acked-by: Paul Zimmerman <[email protected]> Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-12usb: dwc2: gadget: add vbus_draw supportGregory Herrero1-0/+17
This callback informs the driver about the total amount of current it is allowed to draw. Share this information with the phy so that current limits can be set for charging for example. Tested-by: Robert Baldyga <[email protected]> Acked-by: Paul Zimmerman <[email protected]> Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-12usb: dwc2: gadget: fix pullup handlingGregory Herrero1-0/+1
Gadget must be informed about disconnection when pullup is removed. Tested-by: Robert Baldyga <[email protected]> Acked-by: Paul Zimmerman <[email protected]> Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-12usb: dwc2: gadget: reset fifo_map when initializing fifosGregory Herrero1-0/+4
After all endpoints are disabled, fifo_map should have reached 0. Its a bug if if didn't, so warn about it and reset it to 0 so that driver can continue using all the fifos. Tested-by: Robert Baldyga <[email protected]> Acked-by: Paul Zimmerman <[email protected]> Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-12usb: dwc2: gadget: fix fifo allocation leakMian Yousaf Kaukab1-1/+12
When selecting different alt setting, s3c_hsotg_ep_enable can be called with fifo already allocated. Allocate fifo again only if required and after deallocating the previous fifo. Tested-by: Robert Baldyga <[email protected]> Acked-by: Paul Zimmerman <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-12usb: dwc2: gadget: pick smallest acceptable fifoMian Yousaf Kaukab1-10/+15
Current algorithm picks the first fifo which is equal to or greater than the required size. This can result in bigger fifos assigned to endpoints with smaller maxps. Change the algorithm to pick the smallest fifo which is greater than or equal to the required size. Moreover, only use signed variables when required. Tested-by: Robert Baldyga <[email protected]> Acked-by: Paul Zimmerman <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-12usb: dwc2: gadget: rename sent_zlp to send_zlpMian Yousaf Kaukab1-4/+4
This flag is set before sending the zlp. So use present tense instead of the past tense. Tested-by: Robert Baldyga <[email protected]> Acked-by: Paul Zimmerman <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-12usb: dwc2: gadget: add vbus_session supportGregory Herrero1-0/+24
Enable phy driver to report vbus session. This allows us to remove D+ pullup when vbus is not present. Tested-by: Robert Baldyga <[email protected]> Acked-by: Paul Zimmerman <[email protected]> Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-12usb: dwc2: gadget: don't block after fifo flush timeoutGregory Herrero1-0/+1
Can't stay in the loop forever. Break it after timeout. Tested-by: Robert Baldyga <[email protected]> Acked-by: Paul Zimmerman <[email protected]> Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-12usb: dwc2: gadget: dont warn if endpoint is not enabledMian Yousaf Kaukab1-1/+1
The warning is probably good but it has false positives in both dma and non-dma cases. So its not very helpful in either. Tested-by: Robert Baldyga <[email protected]> Acked-by: Paul Zimmerman <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-12usb: dwc2: gadget: fix zero length packet transfersMian Yousaf Kaukab1-29/+22
According to programming guide, zero length packet should be programmed on its own and should not be counted in DIEPTSIZ.PktCnt with other packets. For ep0, this is the zlp for DATA IN stage (if required) and not for the STATUS stage. Tested-by: Robert Baldyga <[email protected]> Acked-by: Paul Zimmerman <[email protected]> Signed-off-by: Gregory Herrero <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-12usb: dwc2: gadget: manage ep0 state in softwareMian Yousaf Kaukab1-78/+78
Manage ep0 state in software to add handling of status OUT stage. Just toggling hsotg->setup in s3c_hsotg_handle_outdone leaves it in wrong state in 2-stage control transfers. Moreover, ensure that for setup-packet s3c_hsotg_handle_outdone is called either from SetupDone or OutDone but not both. Dwc2 ip v3.00a generates both SetupDone and OutDone on setup packets. Tested-by: Robert Baldyga <[email protected]> Acked-by: Paul Zimmerman <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-12usb: dwc2: gadget: kill requests after disabling epMian Yousaf Kaukab1-2/+3
kill_all_requests() can flush the fifo. Call it after disabling the endpoint. Tested-by: Robert Baldyga <[email protected]> Acked-by: Paul Zimmerman <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-12usb: dwc2: gadget: consider all tx fifosMian Yousaf Kaukab1-2/+4
When matching tx fifo to endpoint, consider all fifos instead of hard limiting to 8 Moreover, print error in case no fifo could be found. Tested-by: Robert Baldyga <[email protected]> Acked-by: Paul Zimmerman <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
2015-01-12usb: dwc2: gadget: fix debug loop limitsMian Yousaf Kaukab1-4/+4
< 15 check doesn't show debug information for endpoint 15. It is possible to have less than 15 endpoints so use limit provided by hardware configuration. Tested-by: Robert Baldyga <[email protected]> Acked-by: Paul Zimmerman <[email protected]> Signed-off-by: Mian Yousaf Kaukab <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
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