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Message-ID: <202602030223.QlbiPC8d-lkp@intel.com>
Date: Tue, 3 Feb 2026 02:20:11 +0800
From: kernel test robot <lkp@...el.com>
To: Vladimir Moravcevic <vmoravcevic@...ado.com>,
Krutik Shah <krutikshah@...ado.com>,
Prasad Bolisetty <pbolisetty@...ado.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-usb@...r.kernel.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, openbmc@...ts.ozlabs.org,
Vladimir Moravcevic <vmoravcevic@...ado.com>
Subject: Re: [PATCH 2/3] usb: gadget: udc: Add UDC driver for Axiado Device
controller IP Corigine
Hi Vladimir,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 63804fed149a6750ffd28610c5c1c98cce6bd377]
url: https://github.com/intel-lab-lkp/linux/commits/Vladimir-Moravcevic/dt-bindings-usb-axiado-ax3000-udc-Add-Axiado-UDC/20260202-211951
base: 63804fed149a6750ffd28610c5c1c98cce6bd377
patch link: https://lore.kernel.org/r/20260202-axiado-ax3000-usb-device-controller-v1-2-45ce0a8b014f%40axiado.com
patch subject: [PATCH 2/3] usb: gadget: udc: Add UDC driver for Axiado Device controller IP Corigine
config: nios2-allmodconfig (https://download.01.org/0day-ci/archive/20260203/202602030223.QlbiPC8d-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260203/202602030223.QlbiPC8d-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202602030223.QlbiPC8d-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from include/linux/printk.h:621,
from include/asm-generic/bug.h:31,
from ./arch/nios2/include/generated/asm/bug.h:1,
from include/linux/bug.h:5,
from include/linux/random.h:6,
from include/linux/net.h:18,
from drivers/usb/gadget/udc/crg_udc.c:7:
drivers/usb/gadget/udc/crg_udc.c: In function 'crg_udc_epcx_setup':
>> drivers/usb/gadget/udc/crg_udc.c:624:31: warning: format '%ld' expects argument of type 'long int', but argument 5 has type 'unsigned int' [-Wformat=]
624 | dev_dbg(crg_udc->dev, "DCI %d, sizeof ep_cx %ld\n", DCI, sizeof(struct ep_cx_s));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:231:29: note: in definition of macro '__dynamic_func_call_cls'
231 | func(&id, ##__VA_ARGS__); \
| ^~~~~~~~~~~
include/linux/dynamic_debug.h:261:9: note: in expansion of macro '_dynamic_func_call_cls'
261 | _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:284:9: note: in expansion of macro '_dynamic_func_call'
284 | _dynamic_func_call(fmt, __dynamic_dev_dbg, \
| ^~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:165:9: note: in expansion of macro 'dynamic_dev_dbg'
165 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/dev_printk.h:165:30: note: in expansion of macro 'dev_fmt'
165 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~
drivers/usb/gadget/udc/crg_udc.c:624:9: note: in expansion of macro 'dev_dbg'
624 | dev_dbg(crg_udc->dev, "DCI %d, sizeof ep_cx %ld\n", DCI, sizeof(struct ep_cx_s));
| ^~~~~~~
drivers/usb/gadget/udc/crg_udc.c:624:55: note: format string is defined here
624 | dev_dbg(crg_udc->dev, "DCI %d, sizeof ep_cx %ld\n", DCI, sizeof(struct ep_cx_s));
| ~~^
| |
| long int
| %d
In file included from include/linux/printk.h:621,
from include/asm-generic/bug.h:31,
from ./arch/nios2/include/generated/asm/bug.h:1,
from include/linux/bug.h:5,
from include/linux/random.h:6,
from include/linux/net.h:18,
from drivers/usb/gadget/udc/crg_udc.c:7:
drivers/usb/gadget/udc/crg_udc.c: In function 'setup_datastage_trb':
>> drivers/usb/gadget/udc/crg_udc.c:774:31: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'dma_addr_t' {aka 'unsigned int'} [-Wformat=]
774 | dev_dbg(crg_udc->dev, "dma = 0x%llx, ", usb_req->dma);
| ^~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:231:29: note: in definition of macro '__dynamic_func_call_cls'
231 | func(&id, ##__VA_ARGS__); \
| ^~~~~~~~~~~
include/linux/dynamic_debug.h:261:9: note: in expansion of macro '_dynamic_func_call_cls'
261 | _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:284:9: note: in expansion of macro '_dynamic_func_call'
284 | _dynamic_func_call(fmt, __dynamic_dev_dbg, \
| ^~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:165:9: note: in expansion of macro 'dynamic_dev_dbg'
165 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/dev_printk.h:165:30: note: in expansion of macro 'dev_fmt'
165 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~
drivers/usb/gadget/udc/crg_udc.c:774:9: note: in expansion of macro 'dev_dbg'
774 | dev_dbg(crg_udc->dev, "dma = 0x%llx, ", usb_req->dma);
| ^~~~~~~
drivers/usb/gadget/udc/crg_udc.c:774:43: note: format string is defined here
774 | dev_dbg(crg_udc->dev, "dma = 0x%llx, ", usb_req->dma);
| ~~~^
| |
| long long unsigned int
| %x
In file included from include/linux/printk.h:621,
from include/asm-generic/bug.h:31,
from ./arch/nios2/include/generated/asm/bug.h:1,
from include/linux/bug.h:5,
from include/linux/random.h:6,
from include/linux/net.h:18,
from drivers/usb/gadget/udc/crg_udc.c:7:
drivers/usb/gadget/udc/crg_udc.c: In function 'crg_udc_queue_trbs':
>> drivers/usb/gadget/udc/crg_udc.c:896:25: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
896 | (void *)sg_addr, buffer_length, num_trbs_needed);
| ^
include/linux/dynamic_debug.h:231:29: note: in definition of macro '__dynamic_func_call_cls'
231 | func(&id, ##__VA_ARGS__); \
| ^~~~~~~~~~~
include/linux/dynamic_debug.h:261:9: note: in expansion of macro '_dynamic_func_call_cls'
261 | _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:284:9: note: in expansion of macro '_dynamic_func_call'
284 | _dynamic_func_call(fmt, __dynamic_dev_dbg, \
| ^~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:165:9: note: in expansion of macro 'dynamic_dev_dbg'
165 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~
drivers/usb/gadget/udc/crg_udc.c:894:17: note: in expansion of macro 'dev_dbg'
894 | dev_dbg(crg_udc->dev,
| ^~~~~~~
drivers/usb/gadget/udc/crg_udc.c:881:13: warning: variable 'num_sgs' set but not used [-Wunused-but-set-variable]
881 | u32 num_sgs = 0;
| ^~~~~~~
drivers/usb/gadget/udc/crg_udc.c: In function 'crg_udc_ep_enable':
drivers/usb/gadget/udc/crg_udc.c:1812:26: warning: variable 'uccr' set but not used [-Wunused-but-set-variable]
1812 | struct crg_uccr *uccr;
| ^~~~
drivers/usb/gadget/udc/crg_udc.c:1811:25: warning: variable 'epcx' set but not used [-Wunused-but-set-variable]
1811 | struct ep_cx_s *epcx;
| ^~~~
In file included from include/linux/printk.h:621,
from include/asm-generic/bug.h:31,
from ./arch/nios2/include/generated/asm/bug.h:1,
from include/linux/bug.h:5,
from include/linux/random.h:6,
from include/linux/net.h:18,
from drivers/usb/gadget/udc/crg_udc.c:7:
drivers/usb/gadget/udc/crg_udc.c: In function 'init_ep0':
drivers/usb/gadget/udc/crg_udc.c:2681:31: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'dma_addr_t' {aka 'unsigned int'} [-Wformat=]
2681 | dev_dbg(crg_udc->dev, "ep0 ring dma addr = 0x%llx\n", udc_ep_ptr->tran_ring_info.dma);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:231:29: note: in definition of macro '__dynamic_func_call_cls'
231 | func(&id, ##__VA_ARGS__); \
| ^~~~~~~~~~~
include/linux/dynamic_debug.h:261:9: note: in expansion of macro '_dynamic_func_call_cls'
261 | _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:284:9: note: in expansion of macro '_dynamic_func_call'
284 | _dynamic_func_call(fmt, __dynamic_dev_dbg, \
| ^~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:165:9: note: in expansion of macro 'dynamic_dev_dbg'
165 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/dev_printk.h:165:30: note: in expansion of macro 'dev_fmt'
165 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~
drivers/usb/gadget/udc/crg_udc.c:2681:9: note: in expansion of macro 'dev_dbg'
2681 | dev_dbg(crg_udc->dev, "ep0 ring dma addr = 0x%llx\n", udc_ep_ptr->tran_ring_info.dma);
| ^~~~~~~
drivers/usb/gadget/udc/crg_udc.c:2681:57: note: format string is defined here
2681 | dev_dbg(crg_udc->dev, "ep0 ring dma addr = 0x%llx\n", udc_ep_ptr->tran_ring_info.dma);
| ~~~^
| |
| long long unsigned int
| %x
In file included from include/linux/printk.h:621,
from include/asm-generic/bug.h:31,
from ./arch/nios2/include/generated/asm/bug.h:1,
from include/linux/bug.h:5,
from include/linux/random.h:6,
from include/linux/net.h:18,
from drivers/usb/gadget/udc/crg_udc.c:7:
drivers/usb/gadget/udc/crg_udc.c: In function 'getstatusrequest':
drivers/usb/gadget/udc/crg_udc.c:3131:31: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'dma_addr_t' {aka 'unsigned int'} [-Wformat=]
3131 | dev_dbg(crg_udc->dev, "udc_req_ptr->usb_req.dma = 0x%llx\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:231:29: note: in definition of macro '__dynamic_func_call_cls'
231 | func(&id, ##__VA_ARGS__); \
| ^~~~~~~~~~~
include/linux/dynamic_debug.h:261:9: note: in expansion of macro '_dynamic_func_call_cls'
261 | _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:284:9: note: in expansion of macro '_dynamic_func_call'
284 | _dynamic_func_call(fmt, __dynamic_dev_dbg, \
| ^~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:165:9: note: in expansion of macro 'dynamic_dev_dbg'
165 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/dev_printk.h:165:30: note: in expansion of macro 'dev_fmt'
165 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~
drivers/usb/gadget/udc/crg_udc.c:3131:9: note: in expansion of macro 'dev_dbg'
3131 | dev_dbg(crg_udc->dev, "udc_req_ptr->usb_req.dma = 0x%llx\n",
| ^~~~~~~
drivers/usb/gadget/udc/crg_udc.c:3131:64: note: format string is defined here
3131 | dev_dbg(crg_udc->dev, "udc_req_ptr->usb_req.dma = 0x%llx\n",
| ~~~^
| |
| long long unsigned int
| %x
drivers/usb/gadget/udc/crg_udc.c: In function 'crg_udc_common_irq':
drivers/usb/gadget/udc/crg_udc.c:4250:13: warning: variable 'retval' set but not used [-Wunused-but-set-variable]
4250 | int retval = 0;
vim +624 drivers/usb/gadget/udc/crg_udc.c
609
610 static void crg_udc_epcx_setup(struct crg_udc_ep *udc_ep)
611 {
612 struct crg_gadget_dev *crg_udc = udc_ep->crg_udc;
613 const struct usb_endpoint_descriptor *desc = udc_ep->desc;
614 const struct usb_ss_ep_comp_descriptor *comp_desc = udc_ep->comp_desc;
615 u8 DCI = udc_ep->DCI;
616 struct ep_cx_s *epcx = (struct ep_cx_s *)(crg_udc->p_epcx + DCI - 2);
617 enum EP_TYPE_E ep_type;
618 u16 maxburst = 0;
619 u8 maxstreams = 0;
620 u16 maxsize;
621 u32 dw;
622
623 dev_dbg(crg_udc->dev, "crgudc->p_epcx %p, epcx %p\n", crg_udc->p_epcx, epcx);
> 624 dev_dbg(crg_udc->dev, "DCI %d, sizeof ep_cx %ld\n", DCI, sizeof(struct ep_cx_s));
625 dev_dbg(crg_udc->dev, "desc epaddr = 0x%x\n", desc->bEndpointAddress);
626
627 /*corigine gadget dir should be opposite to host dir*/
628 if (usb_endpoint_dir_out(desc))
629 ep_type = usb_endpoint_type(desc) + EP_TYPE_INVALID2;
630 else
631 ep_type = usb_endpoint_type(desc);
632
633 maxsize = usb_endpoint_maxp(desc) & 0x07ff; /* D[0:10] */
634
635 if (crg_udc->gadget.speed >= USB_SPEED_SUPER) {
636 maxburst = comp_desc->bMaxBurst;
637
638 if (usb_endpoint_xfer_bulk(udc_ep->desc))
639 maxstreams = comp_desc->bmAttributes & 0x1f;
640
641 } else if ((crg_udc->gadget.speed == USB_SPEED_HIGH ||
642 crg_udc->gadget.speed == USB_SPEED_FULL) &&
643 (usb_endpoint_xfer_int(udc_ep->desc) ||
644 usb_endpoint_xfer_isoc(udc_ep->desc))) {
645 if (crg_udc->gadget.speed == USB_SPEED_HIGH)
646 maxburst = (usb_endpoint_maxp(desc) >> 11) & 0x3;
647 if (maxburst == 0x3) {
648 dev_err(crg_udc->dev, "invalid maxburst\n");
649 maxburst = 0x2;
650 }
651 }
652
653 /* fill ep_dw0 */
654 dw = 0;
655 dw = SETF_VAR(EP_CX_LOGICAL_EP_NUM, dw, udc_ep->DCI / 2);
656 dw = SETF_VAR(EP_CX_INTERVAL, dw, desc->bInterval);
657 if (maxstreams) {
658 dev_err(crg_udc->dev, "%s maxstream=%d is not expected\n",
659 __func__, maxstreams);
660 }
661 epcx->dw0 = cpu_to_le32(dw);
662
663 /* fill ep_dw1 */
664 dw = 0;
665 dw = SETF_VAR(EP_CX_EP_TYPE, dw, ep_type);
666 dw = SETF_VAR(EP_CX_MAX_PACKET_SIZE, dw, maxsize);
667 dw = SETF_VAR(EP_CX_MAX_BURST_SIZE, dw, maxburst);
668 epcx->dw1 = cpu_to_le32(dw);
669
670 /* fill ep_dw2 */
671 dw = lower_32_bits(udc_ep->tran_ring_info.dma) & EP_CX_TR_DQPT_LO_MASK;
672 dw = SETF_VAR(EP_CX_DEQ_CYC_STATE, dw, udc_ep->pcs);
673 epcx->dw2 = cpu_to_le32(dw);
674
675 /* fill ep_dw3 */
676 dw = upper_32_bits(udc_ep->tran_ring_info.dma);
677 epcx->dw3 = cpu_to_le32(dw);
678 /* Ensure that epcx is updated */
679 wmb();
680 }
681
682 static void crg_udc_epcx_update_dqptr(struct crg_udc_ep *udc_ep)
683 {
684 struct crg_gadget_dev *crg_udc = udc_ep->crg_udc;
685 u8 DCI = udc_ep->DCI;
686 struct ep_cx_s *epcx = (struct ep_cx_s *)(crg_udc->p_epcx + DCI - 2);
687 u32 dw;
688 dma_addr_t dqptaddr;
689 u32 cmd_param0;
690
691 if (DCI == 0) {
692 dev_err(crg_udc->dev, "%s Cannot update dqptr for ep0\n", __func__);
693 return;
694 }
695
696 dqptaddr = tran_trb_virt_to_dma(udc_ep, udc_ep->deq_pt);
697
698 /* fill ep_dw2 */
699 dw = lower_32_bits(dqptaddr) & EP_CX_TR_DQPT_LO_MASK;
700 dw = SETF_VAR(EP_CX_DEQ_CYC_STATE, dw, udc_ep->pcs);
701 epcx->dw2 = cpu_to_le32(dw);
702
703 /* fill ep_dw3 */
704 dw = upper_32_bits(dqptaddr);
705 epcx->dw3 = cpu_to_le32(dw);
706
707 cmd_param0 = (0x1 << udc_ep->DCI);
708 /* Ensure that dqptr is updated */
709 wmb();
710
711 crg_issue_command(crg_udc, CRG_CMD_SET_TR_DQPTR, cmd_param0, 0);
712 }
713
714 static void setup_status_trb(struct crg_gadget_dev *crg_udc,
715 struct transfer_trb_s *p_trb,
716 struct usb_request *usb_req, u8 pcs, u8 set_addr, u8 stall)
717 {
718 u32 tmp, dir = 0;
719
720 /* There are some cases where seutp_status_trb() is called with
721 * usb_req set to NULL.
722 */
723
724 p_trb->dw0 = 0;
725 p_trb->dw1 = 0;
726
727 dev_dbg(crg_udc->dev, "data_buf_ptr_lo = 0x%x, data_buf_ptr_hi = 0x%x\n",
728 p_trb->dw0, p_trb->dw1);
729
730 tmp = 0;
731 tmp = SETF_VAR(TRB_INTR_TARGET, tmp, 0);
732 p_trb->dw2 = tmp;
733
734 tmp = 0;
735 tmp = SETF_VAR(TRB_CYCLE_BIT, tmp, pcs);
736 tmp = SETF_VAR(TRB_INTR_ON_COMPLETION, tmp, 1);/*IOC:1*/
737 tmp = SETF_VAR(TRB_TYPE, tmp, TRB_TYPE_XFER_STATUS_STAGE);
738
739 dir = (crg_udc->setup_status == STATUS_STAGE_XFER) ? 0 : 1;
740 tmp = SETF_VAR(DATA_STAGE_TRB_DIR, tmp, dir);
741
742 tmp = SETF_VAR(TRB_SETUP_TAG, tmp, crg_udc->setup_tag);
743 tmp = SETF_VAR(STATUS_STAGE_TRB_STALL, tmp, stall);
744 tmp = SETF_VAR(STATUS_STAGE_TRB_SET_ADDR, tmp, set_addr);
745
746 p_trb->dw3 = tmp;
747 dev_dbg(crg_udc->dev, "trb_dword2 = 0x%x, trb_dword3 = 0x%x\n",
748 p_trb->dw2, p_trb->dw3);
749 /* Ensure that status trb is updated */
750 wmb();
751 }
752
753 static void knock_doorbell(struct crg_gadget_dev *crg_udc, int DCI)
754 {
755 u32 tmp;
756 struct crg_uccr *uccr;
757
758 uccr = crg_udc->uccr;
759 /* Ensure evreything is written before notifying the HW */
760 wmb();
761
762 tmp = CRG_U3DC_DB_TARGET(DCI);
763 dev_dbg(crg_udc->dev, "DOORBELL = 0x%x\n", tmp);
764 writel(tmp, &uccr->doorbell);
765 }
766
767 static void setup_datastage_trb(struct crg_gadget_dev *crg_udc,
768 struct transfer_trb_s *p_trb, struct usb_request *usb_req,
769 u8 pcs, u32 num_trb, u32 transfer_length, u32 td_size,
770 u8 IOC, u8 AZP, u8 dir, u8 setup_tag)
771 {
772 u32 tmp;
773
> 774 dev_dbg(crg_udc->dev, "dma = 0x%llx, ", usb_req->dma);
775 dev_dbg(crg_udc->dev, "buf = 0x%lx, ", (unsigned long)usb_req->buf);
776
777 p_trb->dw0 = lower_32_bits(usb_req->dma);
778 p_trb->dw1 = upper_32_bits(usb_req->dma);
779
780 dev_dbg(crg_udc->dev, "data_buf_ptr_lo = 0x%x, data_buf_ptr_hi = 0x%x\n",
781 p_trb->dw0, p_trb->dw1);
782
783
784 /* TRB_Transfer_Length
785 *For USB_DIR_OUT, this field is the number of data bytes expected from
786 *xhc. For USB_DIR_IN, this field is the number of data bytes the device
787 *will send.
788 */
789 tmp = 0;
790 tmp = SETF_VAR(TRB_TRANSFER_LEN, tmp, transfer_length);
791 tmp = SETF_VAR(TRB_TD_SIZE, tmp, td_size);
792 tmp = SETF_VAR(TRB_INTR_TARGET, tmp, 0);
793 p_trb->dw2 = tmp;
794
795 tmp = 0;
796 tmp = SETF_VAR(TRB_CYCLE_BIT, tmp, pcs);
797 tmp = SETF_VAR(TRB_INTR_ON_SHORT_PKT, tmp, 1);
798 tmp = SETF_VAR(TRB_INTR_ON_COMPLETION, tmp, IOC);
799 tmp = SETF_VAR(TRB_TYPE, tmp, TRB_TYPE_XFER_DATA_STAGE);
800 tmp = SETF_VAR(TRB_APPEND_ZLP, tmp, AZP);
801 tmp = SETF_VAR(DATA_STAGE_TRB_DIR, tmp, dir);
802 tmp = SETF_VAR(TRB_SETUP_TAG, tmp, setup_tag);
803
804 p_trb->dw3 = tmp;
805 /* Ensure that datastage trb is updated */
806 wmb();
807
808 dev_dbg(crg_udc->dev, "trb_dword0 = 0x%x, trb_dword1 = 0x%x trb_dword2 = 0x%x, trb_dword3 = 0x%x\n",
809 p_trb->dw0, p_trb->dw1, p_trb->dw2, p_trb->dw3);
810 }
811
--
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