From mboxrd@z Thu Jan 1 00:00:00 1970 From: Francesco Lavra Subject: Re: dwc2 gadget issues Date: Tue, 28 Feb 2017 12:43:58 +0100 Message-ID: <08714699-8460-fccd-c786-aa5ef5d7a44e@gmail.com> References: <2b818d21-62a6-515e-8116-f243a2c07e08@gmail.com> <2860160.8p22jOG6z4@phil> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Vardan Mikayelyan , Heiko Stuebner Cc: "linux-rockchip@lists.infradead.org" , "linux-usb@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "John.Youn@synopsys.com" List-Id: linux-rockchip.vger.kernel.org Hi Vardan, On 02/28/2017 09:41 AM, Vardan Mikayelyan wrote: > On 2/27/2017 11:55 PM, Francesco Lavra wrote: >> Hi, >> >> On 02/23/2017 08:27 PM, Heiko Stuebner wrote: >>> Hi Francesco, >>> >>> Am Donnerstag, 23. Februar 2017, 19:11:37 CET schrieb Francesco Lavra: >>>> I'm having trouble getting the RK3288 OTG controller (the one at >>>> ff580000) to work in peripheral mode. I'm using a Firefly Reload board, >>>> and I know the hardware is fine because I can successfully use the port >>>> in device mode with U-Boot's mass storage gadget driver. >>>> Under Linux, the OTG port works fine when used in host mode, but fails >>>> to work in device mode: nothing happens when the a USB host is plugged >>>> into the OTG port, not even a single interrupt is generated by the >>>> controller. I'm using the latest device tree definitions from >>>> git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git. >>> >>> you shouldn't use my tree as base for any real work :-) . Best to use the >>> regular mainline kernel or alternatively try linux-next to get all recent usb >>> changes schedules for the next release. >> >> Thanks for your inputs. >> >> I was actually using the mainline kernel (4.8.1), in which the dwc2 >> driver wasn't working, that's why I went to your tree to pick up any >> fixes or new features that might have been done. I also went to the >> linux-usb tree for the same reason. >> >> Anyway, today I tried with the latest mainline release 4.10.0, and also >> with linux-next. Unfortunately, still no luck: I can load a gadget >> driver, which gets correctly bound to the OTG controller, but then >> nothing happens if a USB host is connected to the OTG port. >> I'm pasting below the dmesg contents (obtained with 4.10.0, with verbose >> debugging enabled for the dwc2 driver) when a gadget driver is loaded, >> in case you might spot something suspicious: >> >> [ 1147.035367] dwc2 ff580000.usb: bound driver g_audio >> [ 1147.041203] dwc2 ff580000.usb: dwc2_hsotg_pullup: is_on: 1 op_state: 3 >> [ 1147.041250] dwc2 ff580000.usb: dwc2_core_reset() >> [ 1147.041345] dwc2 ff580000.usb: FIFOs reset, timeout at 100 >> [ 1147.041405] dwc2 ff580000.usb: EP0: DIEPCTL0=0x00008000, >> DOEPCTL0=0x00008000 >> [ 1147.041447] dwc2 ff580000.usb: gsintmsk now 0xd08c3cc4 >> [ 1147.041554] dwc2 ff580000.usb: DCTL=0x00000002 >> [ 1147.041631] dwc2 ff580000.usb: dwc2_hsotg_enqueue_setup: queueing >> setup request >> [ 1147.041692] dwc2 ff580000.usb: ep0: req ee241680: 8@ee241198, noi=0, >> zero=0, snok=0 >> [ 1147.041757] dwc2 ff580000.usb: dwc2_hsotg_start_req: >> DxEPCTL=0x80008000, ep 0, dir out >> [ 1147.041799] dwc2 ff580000.usb: ureq->length:8 ureq->actual:0 >> [ 1147.041896] dwc2 ff580000.usb: dwc2_hsotg_start_req: 1@8/8, >> 0x00080008 => 0x00000b10 >> [ 1147.041975] dwc2 ff580000.usb: dwc2_hsotg_start_req: 2e243000 pad => >> 0x00000b14 >> [ 1147.042014] dwc2 ff580000.usb: ep0 state:0 >> [ 1147.042055] dwc2 ff580000.usb: dwc2_hsotg_start_req: DxEPCTL=0x80008000 >> [ 1147.042097] dwc2 ff580000.usb: dwc2_hsotg_start_req: DXEPCTL=0x80008000 >> [ 1147.042169] dwc2 ff580000.usb: EP0: DIEPCTL0=0x00008000, >> DOEPCTL0=0x80008000 >> >> Thanks, >> Francesco >> -- > > Hi Francesco, > > Could you please provide full log (with debugs enabled) from DWC2 driver > loading to issue point? Two logs are not giving us the full picture. The full log from the DWC2 driver is below: [ 1.498030] dwc2 ff580000.usb: ff580000.usb supply vusb_d not found, using dummy regulator [ 1.507431] dwc2 ff580000.usb: ff580000.usb supply vusb_a not found, using dummy regulator [ 1.880012] dwc2 ff580000.usb: dwc2_check_param_tx_fifo_sizes: Invalid parameter g-tx-fifo-size, setting to default average [ 1.892596] dwc2 ff580000.usb: EPs: 10, dedicated fifos, 972 entries in SPRAM [ 1.901018] dwc2 ff580000.usb: DCFG=0x08100000, DCTL=0x00000002, DIEPMSK=00000000 [ 1.909432] dwc2 ff580000.usb: GAHBCFG=0x00000000, GHWCFG1=0x00006664 [ 1.916698] dwc2 ff580000.usb: GRXFSIZ=0x00000400, GNPTXFSIZ=0x00100400 [ 1.924161] dwc2 ff580000.usb: DPTx[1] FSize=256, StAddr=0x00000410 [ 1.931224] dwc2 ff580000.usb: DPTx[2] FSize=256, StAddr=0x00000900 [ 1.938261] dwc2 ff580000.usb: DPTx[3] FSize=256, StAddr=0x00000a00 [ 1.945318] dwc2 ff580000.usb: DPTx[4] FSize=256, StAddr=0x00000b00 [ 1.952375] dwc2 ff580000.usb: DPTx[5] FSize=256, StAddr=0x00000c00 [ 1.959410] dwc2 ff580000.usb: DPTx[6] FSize=256, StAddr=0x00000d00 [ 1.966456] dwc2 ff580000.usb: DPTx[7] FSize=0, StAddr=0x00000e00 [ 1.973317] dwc2 ff580000.usb: DPTx[8] FSize=0, StAddr=0x00000f00 [ 1.980180] dwc2 ff580000.usb: DPTx[9] FSize=256, StAddr=0x00000410 [ 1.987216] dwc2 ff580000.usb: ep0-in: EPCTL=0x00008800, SIZ=0x00000000, DMA=0x379a4f2d [ 1.996232] dwc2 ff580000.usb: ep0-out: EPCTL=0x00008000, SIZ=0x00000000, DMA=0xe3103c4f [ 2.005352] dwc2 ff580000.usb: ep1-in: EPCTL=0x00001000, SIZ=0x00000000, DMA=0x5cf9a35d [ 2.014369] dwc2 ff580000.usb: ep1-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x8b00a168 [ 2.023482] dwc2 ff580000.usb: ep2-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0xfef360cf [ 2.032497] dwc2 ff580000.usb: ep2-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x9f637bc4 [ 2.041609] dwc2 ff580000.usb: ep3-in: EPCTL=0x00002000, SIZ=0x00000000, DMA=0xf03470c5 [ 2.050625] dwc2 ff580000.usb: ep3-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x8b00a168 [ 2.059715] dwc2 ff580000.usb: ep4-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0xfef360cf [ 2.068731] dwc2 ff580000.usb: ep4-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0xb6c8c271 [ 2.077843] dwc2 ff580000.usb: ep5-in: EPCTL=0x00003000, SIZ=0x00000000, DMA=0x84245611 [ 2.086858] dwc2 ff580000.usb: ep5-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x8b00a168 [ 2.095970] dwc2 ff580000.usb: ep6-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0xfef360cf [ 2.104986] dwc2 ff580000.usb: ep6-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x0a6c1c90 [ 2.114102] dwc2 ff580000.usb: ep7-in: EPCTL=0x00004000, SIZ=0x00000000, DMA=0xaccb75ec [ 2.123111] dwc2 ff580000.usb: ep7-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x8b00a168 [ 2.132222] dwc2 ff580000.usb: ep8-in: EPCTL=0x00004800, SIZ=0x00000000, DMA=0x4625773c [ 2.141254] dwc2 ff580000.usb: ep8-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x437c9154 [ 2.150371] dwc2 ff580000.usb: ep9-in: EPCTL=0x00005000, SIZ=0x00000000, DMA=0x9cb1c89c [ 2.159365] dwc2 ff580000.usb: ep9-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x6ec79617 [ 2.168476] dwc2 ff580000.usb: DVBUSDIS=0x00000b8f, DVBUSPULSE=000002c6 [ 2.175996] usb 1-1: new high-speed USB device number 2 using dwc2 [ 2.176105] dwc2 ff580000.usb: DWC OTG Controller [ 2.176147] dwc2 ff580000.usb: new USB bus registered, assigned bus number 2 [ 2.176195] dwc2 ff580000.usb: irq 41, io mem 0xff580000 [ 2.176450] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002 [ 2.176462] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 2.176470] usb usb2: Product: DWC OTG Controller [ 2.176478] usb usb2: Manufacturer: Linux 4.10.0+ dwc2_hsotg [ 2.176485] usb usb2: SerialNumber: ff580000.usb [ 1147.035367] dwc2 ff580000.usb: bound driver g_audio [ 1147.041203] dwc2 ff580000.usb: dwc2_hsotg_pullup: is_on: 1 op_state: 3 [ 1147.041250] dwc2 ff580000.usb: dwc2_core_reset() [ 1147.041345] dwc2 ff580000.usb: FIFOs reset, timeout at 100 [ 1147.041405] dwc2 ff580000.usb: EP0: DIEPCTL0=0x00008000, DOEPCTL0=0x00008000 [ 1147.041447] dwc2 ff580000.usb: gsintmsk now 0xd08c3cc4 [ 1147.041554] dwc2 ff580000.usb: DCTL=0x00000002 [ 1147.041631] dwc2 ff580000.usb: dwc2_hsotg_enqueue_setup: queueing setup request [ 1147.041692] dwc2 ff580000.usb: ep0: req ee241680: 8@ee241198, noi=0, zero=0, snok=0 [ 1147.041757] dwc2 ff580000.usb: dwc2_hsotg_start_req: DxEPCTL=0x80008000, ep 0, dir out [ 1147.041799] dwc2 ff580000.usb: ureq->length:8 ureq->actual:0 [ 1147.041896] dwc2 ff580000.usb: dwc2_hsotg_start_req: 1@8/8, 0x00080008 => 0x00000b10 [ 1147.041975] dwc2 ff580000.usb: dwc2_hsotg_start_req: 2e243000 pad => 0x00000b14 [ 1147.042014] dwc2 ff580000.usb: ep0 state:0 [ 1147.042055] dwc2 ff580000.usb: dwc2_hsotg_start_req: DxEPCTL=0x80008000 [ 1147.042097] dwc2 ff580000.usb: dwc2_hsotg_start_req: DXEPCTL=0x80008000 [ 1147.042169] dwc2 ff580000.usb: EP0: DIEPCTL0=0x00008000, DOEPCTL0=0x80008000 Thanks, Francesco > Thanks, > Vardan. > From mboxrd@z Thu Jan 1 00:00:00 1970 From: francescolavra.fl@gmail.com (Francesco Lavra) Date: Tue, 28 Feb 2017 12:43:58 +0100 Subject: dwc2 gadget issues In-Reply-To: References: <2b818d21-62a6-515e-8116-f243a2c07e08@gmail.com> <2860160.8p22jOG6z4@phil> Message-ID: <08714699-8460-fccd-c786-aa5ef5d7a44e@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Vardan, On 02/28/2017 09:41 AM, Vardan Mikayelyan wrote: > On 2/27/2017 11:55 PM, Francesco Lavra wrote: >> Hi, >> >> On 02/23/2017 08:27 PM, Heiko Stuebner wrote: >>> Hi Francesco, >>> >>> Am Donnerstag, 23. Februar 2017, 19:11:37 CET schrieb Francesco Lavra: >>>> I'm having trouble getting the RK3288 OTG controller (the one at >>>> ff580000) to work in peripheral mode. I'm using a Firefly Reload board, >>>> and I know the hardware is fine because I can successfully use the port >>>> in device mode with U-Boot's mass storage gadget driver. >>>> Under Linux, the OTG port works fine when used in host mode, but fails >>>> to work in device mode: nothing happens when the a USB host is plugged >>>> into the OTG port, not even a single interrupt is generated by the >>>> controller. I'm using the latest device tree definitions from >>>> git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git. >>> >>> you shouldn't use my tree as base for any real work :-) . Best to use the >>> regular mainline kernel or alternatively try linux-next to get all recent usb >>> changes schedules for the next release. >> >> Thanks for your inputs. >> >> I was actually using the mainline kernel (4.8.1), in which the dwc2 >> driver wasn't working, that's why I went to your tree to pick up any >> fixes or new features that might have been done. I also went to the >> linux-usb tree for the same reason. >> >> Anyway, today I tried with the latest mainline release 4.10.0, and also >> with linux-next. Unfortunately, still no luck: I can load a gadget >> driver, which gets correctly bound to the OTG controller, but then >> nothing happens if a USB host is connected to the OTG port. >> I'm pasting below the dmesg contents (obtained with 4.10.0, with verbose >> debugging enabled for the dwc2 driver) when a gadget driver is loaded, >> in case you might spot something suspicious: >> >> [ 1147.035367] dwc2 ff580000.usb: bound driver g_audio >> [ 1147.041203] dwc2 ff580000.usb: dwc2_hsotg_pullup: is_on: 1 op_state: 3 >> [ 1147.041250] dwc2 ff580000.usb: dwc2_core_reset() >> [ 1147.041345] dwc2 ff580000.usb: FIFOs reset, timeout at 100 >> [ 1147.041405] dwc2 ff580000.usb: EP0: DIEPCTL0=0x00008000, >> DOEPCTL0=0x00008000 >> [ 1147.041447] dwc2 ff580000.usb: gsintmsk now 0xd08c3cc4 >> [ 1147.041554] dwc2 ff580000.usb: DCTL=0x00000002 >> [ 1147.041631] dwc2 ff580000.usb: dwc2_hsotg_enqueue_setup: queueing >> setup request >> [ 1147.041692] dwc2 ff580000.usb: ep0: req ee241680: 8 at ee241198, noi=0, >> zero=0, snok=0 >> [ 1147.041757] dwc2 ff580000.usb: dwc2_hsotg_start_req: >> DxEPCTL=0x80008000, ep 0, dir out >> [ 1147.041799] dwc2 ff580000.usb: ureq->length:8 ureq->actual:0 >> [ 1147.041896] dwc2 ff580000.usb: dwc2_hsotg_start_req: 1 at 8/8, >> 0x00080008 => 0x00000b10 >> [ 1147.041975] dwc2 ff580000.usb: dwc2_hsotg_start_req: 2e243000 pad => >> 0x00000b14 >> [ 1147.042014] dwc2 ff580000.usb: ep0 state:0 >> [ 1147.042055] dwc2 ff580000.usb: dwc2_hsotg_start_req: DxEPCTL=0x80008000 >> [ 1147.042097] dwc2 ff580000.usb: dwc2_hsotg_start_req: DXEPCTL=0x80008000 >> [ 1147.042169] dwc2 ff580000.usb: EP0: DIEPCTL0=0x00008000, >> DOEPCTL0=0x80008000 >> >> Thanks, >> Francesco >> -- > > Hi Francesco, > > Could you please provide full log (with debugs enabled) from DWC2 driver > loading to issue point? Two logs are not giving us the full picture. The full log from the DWC2 driver is below: [ 1.498030] dwc2 ff580000.usb: ff580000.usb supply vusb_d not found, using dummy regulator [ 1.507431] dwc2 ff580000.usb: ff580000.usb supply vusb_a not found, using dummy regulator [ 1.880012] dwc2 ff580000.usb: dwc2_check_param_tx_fifo_sizes: Invalid parameter g-tx-fifo-size, setting to default average [ 1.892596] dwc2 ff580000.usb: EPs: 10, dedicated fifos, 972 entries in SPRAM [ 1.901018] dwc2 ff580000.usb: DCFG=0x08100000, DCTL=0x00000002, DIEPMSK=00000000 [ 1.909432] dwc2 ff580000.usb: GAHBCFG=0x00000000, GHWCFG1=0x00006664 [ 1.916698] dwc2 ff580000.usb: GRXFSIZ=0x00000400, GNPTXFSIZ=0x00100400 [ 1.924161] dwc2 ff580000.usb: DPTx[1] FSize=256, StAddr=0x00000410 [ 1.931224] dwc2 ff580000.usb: DPTx[2] FSize=256, StAddr=0x00000900 [ 1.938261] dwc2 ff580000.usb: DPTx[3] FSize=256, StAddr=0x00000a00 [ 1.945318] dwc2 ff580000.usb: DPTx[4] FSize=256, StAddr=0x00000b00 [ 1.952375] dwc2 ff580000.usb: DPTx[5] FSize=256, StAddr=0x00000c00 [ 1.959410] dwc2 ff580000.usb: DPTx[6] FSize=256, StAddr=0x00000d00 [ 1.966456] dwc2 ff580000.usb: DPTx[7] FSize=0, StAddr=0x00000e00 [ 1.973317] dwc2 ff580000.usb: DPTx[8] FSize=0, StAddr=0x00000f00 [ 1.980180] dwc2 ff580000.usb: DPTx[9] FSize=256, StAddr=0x00000410 [ 1.987216] dwc2 ff580000.usb: ep0-in: EPCTL=0x00008800, SIZ=0x00000000, DMA=0x379a4f2d [ 1.996232] dwc2 ff580000.usb: ep0-out: EPCTL=0x00008000, SIZ=0x00000000, DMA=0xe3103c4f [ 2.005352] dwc2 ff580000.usb: ep1-in: EPCTL=0x00001000, SIZ=0x00000000, DMA=0x5cf9a35d [ 2.014369] dwc2 ff580000.usb: ep1-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x8b00a168 [ 2.023482] dwc2 ff580000.usb: ep2-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0xfef360cf [ 2.032497] dwc2 ff580000.usb: ep2-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x9f637bc4 [ 2.041609] dwc2 ff580000.usb: ep3-in: EPCTL=0x00002000, SIZ=0x00000000, DMA=0xf03470c5 [ 2.050625] dwc2 ff580000.usb: ep3-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x8b00a168 [ 2.059715] dwc2 ff580000.usb: ep4-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0xfef360cf [ 2.068731] dwc2 ff580000.usb: ep4-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0xb6c8c271 [ 2.077843] dwc2 ff580000.usb: ep5-in: EPCTL=0x00003000, SIZ=0x00000000, DMA=0x84245611 [ 2.086858] dwc2 ff580000.usb: ep5-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x8b00a168 [ 2.095970] dwc2 ff580000.usb: ep6-in: EPCTL=0x00000000, SIZ=0x00000000, DMA=0xfef360cf [ 2.104986] dwc2 ff580000.usb: ep6-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x0a6c1c90 [ 2.114102] dwc2 ff580000.usb: ep7-in: EPCTL=0x00004000, SIZ=0x00000000, DMA=0xaccb75ec [ 2.123111] dwc2 ff580000.usb: ep7-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x8b00a168 [ 2.132222] dwc2 ff580000.usb: ep8-in: EPCTL=0x00004800, SIZ=0x00000000, DMA=0x4625773c [ 2.141254] dwc2 ff580000.usb: ep8-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x437c9154 [ 2.150371] dwc2 ff580000.usb: ep9-in: EPCTL=0x00005000, SIZ=0x00000000, DMA=0x9cb1c89c [ 2.159365] dwc2 ff580000.usb: ep9-out: EPCTL=0x00000000, SIZ=0x00000000, DMA=0x6ec79617 [ 2.168476] dwc2 ff580000.usb: DVBUSDIS=0x00000b8f, DVBUSPULSE=000002c6 [ 2.175996] usb 1-1: new high-speed USB device number 2 using dwc2 [ 2.176105] dwc2 ff580000.usb: DWC OTG Controller [ 2.176147] dwc2 ff580000.usb: new USB bus registered, assigned bus number 2 [ 2.176195] dwc2 ff580000.usb: irq 41, io mem 0xff580000 [ 2.176450] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002 [ 2.176462] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 2.176470] usb usb2: Product: DWC OTG Controller [ 2.176478] usb usb2: Manufacturer: Linux 4.10.0+ dwc2_hsotg [ 2.176485] usb usb2: SerialNumber: ff580000.usb [ 1147.035367] dwc2 ff580000.usb: bound driver g_audio [ 1147.041203] dwc2 ff580000.usb: dwc2_hsotg_pullup: is_on: 1 op_state: 3 [ 1147.041250] dwc2 ff580000.usb: dwc2_core_reset() [ 1147.041345] dwc2 ff580000.usb: FIFOs reset, timeout at 100 [ 1147.041405] dwc2 ff580000.usb: EP0: DIEPCTL0=0x00008000, DOEPCTL0=0x00008000 [ 1147.041447] dwc2 ff580000.usb: gsintmsk now 0xd08c3cc4 [ 1147.041554] dwc2 ff580000.usb: DCTL=0x00000002 [ 1147.041631] dwc2 ff580000.usb: dwc2_hsotg_enqueue_setup: queueing setup request [ 1147.041692] dwc2 ff580000.usb: ep0: req ee241680: 8 at ee241198, noi=0, zero=0, snok=0 [ 1147.041757] dwc2 ff580000.usb: dwc2_hsotg_start_req: DxEPCTL=0x80008000, ep 0, dir out [ 1147.041799] dwc2 ff580000.usb: ureq->length:8 ureq->actual:0 [ 1147.041896] dwc2 ff580000.usb: dwc2_hsotg_start_req: 1 at 8/8, 0x00080008 => 0x00000b10 [ 1147.041975] dwc2 ff580000.usb: dwc2_hsotg_start_req: 2e243000 pad => 0x00000b14 [ 1147.042014] dwc2 ff580000.usb: ep0 state:0 [ 1147.042055] dwc2 ff580000.usb: dwc2_hsotg_start_req: DxEPCTL=0x80008000 [ 1147.042097] dwc2 ff580000.usb: dwc2_hsotg_start_req: DXEPCTL=0x80008000 [ 1147.042169] dwc2 ff580000.usb: EP0: DIEPCTL0=0x00008000, DOEPCTL0=0x80008000 Thanks, Francesco > Thanks, > Vardan. >