30.09.2019 03:33, Peter Geis пишет: > Good Evening, > > While testing Dmitry's cpuidle driver I found that tegra-udc is broken > completely on linux-next. > Even in peripheral mode, disconnected from the host, it locks at the same place. > > [ 2.864983] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver > [ 2.871723] tegra-ehci: Tegra EHCI driver > [ 2.880593] tegra-ehci 7d004000.usb: EHCI Host Controller > [ 2.886484] tegra-ehci 7d004000.usb: new USB bus registered, > assigned bus number 1 > [ 2.895250] tegra-ehci 7d004000.usb: irq 88, io mem 0x7d004000 > [ 2.916528] tegra-ehci 7d004000.usb: USB 2.0 started, EHCI 1.00 > [ 2.927441] hub 1-0:1.0: USB hub found > [ 2.931479] hub 1-0:1.0: 1 port detected > [ 2.939124] usbcore: registered new interface driver cdc_acm > [ 2.944889] cdc_acm: USB Abstract Control Model driver for USB > modems and ISDN adapters > [ 2.953185] usbcore: registered new interface driver cdc_wdm > [ 2.959107] usbcore: registered new interface driver uas > [ 2.964824] usbcore: registered new interface driver usb-storage > [ 2.974726] tegra-udc 7d000000.usb: 7d000000.usb supply vbus not > found, using dummy regulator > [ 2.990506] ci_hdrc ci_hdrc.0: EHCI Host Controller > [ 2.992320] udc ci_hdrc.0: registering UDC driver [g_ncm] > [ 2.995708] ci_hdrc ci_hdrc.0: new USB bus registered, assigned bus number 2 > [ 3.001232] using random self ethernet address > [ 3.012631] using random host ethernet address > [ 3.017190] g_ncm gadget: adding config #1 'CDC Ethernet (NCM)'/(ptrval) > [ 3.020523] ci_hdrc ci_hdrc.0: USB 2.0 started, EHCI 1.00 > [ 3.024058] g_ncm gadget: adding 'cdc_network'/(ptrval) to config > 'CDC Ethernet (NCM)'/(ptrval) > [ 3.033578] hub 2-0:1.0: USB hub found > [ 3.041721] usb0: HOST MAC 9e:a2:94:94:76:53 > [ 3.042085] hub 2-0:1.0: 1 port detected > [ 3.046706] usb0: MAC b2:13:8e:20:a9:fa > [ 3.054215] g_ncm gadget: CDC Network: dual speed IN/ep1in > OUT/ep1out NOTIFY/ep2in > [ 3.061861] g_ncm gadget: cfg 1/(ptrval) speeds: high full > [ 3.067402] g_ncm gadget: interface 0 = cdc_network/(ptrval) > [ 3.073292] g_ncm gadget: interface 1 = cdc_network/(ptrval) > [ 3.079206] g_ncm gadget: NCM Gadget > [ 3.082843] g_ncm gadget: g_ncm ready > [ 3.091020] rtc rtc1: alarm rollover: day > [ 3.096710] tegra_rtc 7000e000.rtc: char device (253:1) > [ 3.102059] tegra_rtc 7000e000.rtc: registered as rtc1 > [ 3.107257] tegra_rtc 7000e000.rtc: Tegra internal Real Time Clock > [ 3.114270] i2c /dev entries driver > [ 3.118781] tegra-apbdma 6000a000.dma: private_candidate: dma0chan0 busy > [ 3.128234] tegra-apbdma 6000a000.dma: private_candidate: dma0chan0 busy > [ 3.135069] tegra-apbdma 6000a000.dma: private_candidate: dma0chan1 busy > [ 3.141875] tegra-apbdma 6000a000.dma: private_candidate: dma0chan0 busy > [ 3.148644] tegra-apbdma 6000a000.dma: private_candidate: dma0chan1 busy > [ 3.155402] tegra-apbdma 6000a000.dma: private_candidate: dma0c > > Thank you for your time, > Peter > Do you mean that it works when: a) the cpuidle patches are *not* applied b) with cpuidle patches applied and USB driver being disabled The UDC driver works perfectly fine for me, I'm using it all the time on T20 and T30.
