On 09/23/2016 03:10 PM, Norbert Lange wrote: > Hi, > > I wanted to reply to the Linux mailing List (your patch thread), I > dont know exactly where since the addresses are blanked out. > Just tell me where I should move this discussion. > > The board can use both USB peripherals (haven`t tested the OTG Port). > The issue starts if the board has *no* USB peripherals attached > (either booting without any USB peripherals, or disconnecting all > peripherals). I have checked my patches with kernel next-20160923, I didn't meet your problem. The firefly RK3288 release board works fine. > *Then* I cant connect a single peripheral, just getting read errors. > > Seems like something is getting powered down if no USB peripheral is > connected, and can`t start up again. > > Kind regard, > Norbert > > 2016-09-23 2:48 GMT+02:00 Ayaka <ayaka at soulik.info>: >> >> ??? iPad ?? >> >>> Norbert Lange <nolange79 at gmail.com> ? 2016?9?23? ??7:37 ??? >>> >>> Hello Randi, >>> I am Randy >>> sorry for stalking you, but I have a problem with the USB Ports on >> You have better CC to Linux-use as well >>> RK3288 and Heiko pointed me to your patch [1]. >>> >>> Firefly RK3288 >>> Linux Kernel 4.8rc3 with multi_v7_defconfig and some additional >>> modules and mali drm driver >>> Your patch v7 applied [2] >>> >>> [1] https://irclog.whitequark.org/linux-rockchip/2016-09-20 >>> [2] https://www.spinics.net/lists/linux-usb/msg146496.html >>> >>> I can easily reproduce the issue, if no USB Device is connected then >>> attaching USB Devices will produce Read Errors. >>> The only way around that is to always leave one device connected. >>> >> So the board could only connect to use one usb peripheral device? >>> # plug in an USB Stick >>> Sep 10 23:05:19 hipase2firefly kernel: usb 1-1: reset high-speed USB device numb >>> Sep 10 23:05:24 hipase2firefly kernel: usb 1-1: device descriptor read/64, error >>> Sep 10 23:05:40 hipase2firefly kernel: usb 1-1: device descriptor read/64, error >>> Sep 10 23:05:42 hipase2firefly kernel: usb usb1-port1: Cannot enable. Maybe the >>> Sep 10 23:05:43 hipase2firefly kernel: usb usb1-port1: Cannot enable. Maybe the >>> Sep 10 23:05:44 hipase2firefly kernel: usb usb1-port1: Cannot enable. Maybe the >>> Sep 10 23:05:44 hipase2firefly kernel: usb 1-1: USB disconnect, device number 2 >>> Sep 10 23:05:45 hipase2firefly kernel: usb usb1-port1: Cannot enable. Maybe the >>> Sep 10 23:05:47 hipase2firefly kernel: usb usb1-port1: Cannot enable. Maybe the >>> Sep 10 23:05:48 hipase2firefly kernel: usb usb1-port1: Cannot enable. Maybe the >>> Sep 10 23:05:49 hipase2firefly kernel: usb usb1-port1: Cannot enable. Maybe the >>> Sep 10 23:05:49 hipase2firefly kernel: usb usb1-port1: unable to enumerate USB d >>> >>> # reset without disconnecting USB >>> # connecting a second USB Device (Logitech Receiver) >>> >>> Sep 10 23:03:14 hipase2firefly kernel: usb 1-1.4: new full-speed USB device numb >>> Sep 10 23:03:14 hipase2firefly mtp-probe[2207]: checking bus 1, device 4: "/sys/ >>> Sep 10 23:03:14 hipase2firefly mtp-probe[2207]: bus: 1, device: 4 was not an MTP >>> Sep 10 23:03:14 hipase2firefly kernel: logitech-djreceiver 0003:046D:C52B.0003: >>> Sep 10 23:03:14 hipase2firefly kernel: input: Logitech K400 as /devices/platform >>> Sep 10 23:03:14 hipase2firefly kernel: logitech-hidpp-device 0003:046D:4024.0004 >>> >>> # disconnectin 1 USB Device >>> Sep 10 23:04:00 hipase2firefly kernel: usb 1-1.4: USB disconnect, device number >>> >>> #reconnecting the same device >>> Sep 10 23:05:49 hipase2firefly kernel: usb 1-1.4: new full-speed USB device numb >>> Sep 10 23:05:49 hipase2firefly kernel: logitech-djreceiver 0003:046D:C52B.0007: >>> Sep 10 23:05:49 hipase2firefly mtp-probe[2276]: checking bus 1, device 5: "/sys/ >>> Sep 10 23:05:49 hipase2firefly mtp-probe[2276]: bus: 1, device: 5 was not an MTP >>> Sep 10 23:05:49 hipase2firefly kernel: input: Logitech K400 as /devices/platform >>> Sep 10 23:05:49 hipase2firefly kernel: logitech-hidpp-device 0003:046D:4024.0008 >>> >>> # disconnecting both USB Devices >>> Sep 10 23:06:45 hipase2firefly kernel: usb 1-1.4: USB disconnect, device number >>> Sep 10 23:06:49 hipase2firefly kernel: usb 1-1.1: USB disconnect, device number >>> Sep 10 23:06:49 hipase2firefly systemd-udevd[2339]: >>> inotify_add_watch(9, /dev/sdb, 10) failed: No such file or directory >>> >>> # reconnecting the Logitech Receiver >>> Sep 10 23:08:40 hipase2firefly kernel: usb 1-1: reset high-speed USB >>> device number 2 using dwc2 >>> Sep 10 23:08:46 hipase2firefly kernel: usb 1-1: device descriptor >>> read/64, error -110 >>> Sep 10 23:09:01 hipase2firefly kernel: usb 1-1: device descriptor >>> read/64, error -110 >>> Sep 10 23:09:03 hipase2firefly kernel: usb usb1-port1: Cannot enable. Maybe the >>> Sep 10 23:09:04 hipase2firefly kernel: usb usb1-port1: Cannot enable. Maybe the >>> Sep 10 23:09:05 hipase2firefly kernel: usb usb1-port1: Cannot enable. Maybe the >>> Sep 10 23:09:05 hipase2firefly kernel: usb 1-1: USB disconnect, device number 2 >>> Sep 10 23:09:07 hipase2firefly kernel: usb usb1-port1: Cannot enable. Maybe the >>> Sep 10 23:09:08 hipase2firefly kernel: usb usb1-port1: Cannot enable. Maybe the >>> Sep 10 23:09:09 hipase2firefly kernel: usb usb1-port1: Cannot enable. Maybe the >>> Sep 10 23:09:11 hipase2firefly kernel: usb usb1-port1: Cannot enable. Maybe the >>> Sep 10 23:09:11 hipase2firefly kernel: usb usb1-port1: unable to >>> enumerate USB device >>> >>> Kind regards, >>> Norbert
