各位大神，有哪位在 f1c100s上调通了USB摄像头呢？现在我的板子USB HOST可正常识别U盘，但无法识别USB摄像头（UVC），内核已加了UVC相关驱动支持，看LOG应该不是UVC驱动的问题，问题出在HCD驱动，但具体原因不清楚，哪位大神用过或知道的请指点一哈，谢谢！
备注：内核为BSP内核3.10
[ 17.178381] ------------IRQ CONNECT-------------
[ 17.178381]
[ 17.186936] usb usb1: usb wakeup-resume
[ 17.193169] usb usb1: usb auto-resume
[ 17.197269] hub 1-0:1.0: hub_resume
[ 17.203016] hub 1-0:1.0: port 1: status 0101 change 0001
[ 17.310880] hub 1-0:1.0: state 7 ports 1 chg 0002 evt 0000
[ 17.317119] hub 1-0:1.0: port 1, status 0101, change 0000, 12 Mb/s
[ 17.325112] [sunxi_hcd]: reset port.
[ 17.380800] [sunxi_hcd]: reset port stopped.
[ 17.440864] usb 1-1: new high-speed USB device number 2 using sunxi_hcd_host0
[ 17.448890] ERR: sunxi_hcd_h_ep0_irq, no response, csr0 0010
[ 17.456394] ERR: sunxi_hcd_h_ep0_irq, no response, csr0 0010
[ 17.463682] ERR: sunxi_hcd_h_ep0_irq, no response, csr0 0010
[ 17.470089] [sunxi_hcd]: reset port.
[ 17.530792] [sunxi_hcd]: reset port stopped.
[ 17.590855] usb 1-1: device descriptor read/64, error -71
[ 17.700885] ERR: sunxi_hcd_h_ep0_irq, no response, csr0 0010
[ 17.707367] ERR: sunxi_hcd_h_ep0_irq, no response, csr0 0010
[ 17.714795] ERR: sunxi_hcd_h_ep0_irq, no response, csr0 0010
[ 17.722002] [sunxi_hcd]: reset port.
[ 17.780795] [sunxi_hcd]: reset port stopped.
[ 17.840853] usb 1-1: device descriptor read/64, error -71
[ 17.950833] [sunxi_hcd]: sunxi_hcd_h_disable, epnum = 0
[ 17.956646] [sunxi_hcd]: sunxi_hcd_h_disable, epnum = 0
[ 17.963569] [sunxi_hcd]: reset port.
[ 18.020802] [sunxi_hcd]: reset port stopped.
[ 18.080853] usb 1-1: new high-speed USB device number 3 using sunxi_hcd_host0
[ 18.088873] ERR: sunxi_hcd_h_ep0_irq, no response, csr0 0010
[ 18.096390] ERR: sunxi_hcd_h_ep0_irq, no response, csr0 0010
[ 18.103749] ERR: sunxi_hcd_h_ep0_irq, no response, csr0 0010
[ 18.110182] [sunxi_hcd]: reset port.
[ 18.170790] [sunxi_hcd]: reset port stopped.
[ 18.230857] usb 1-1: device descriptor read/64, error -71
[ 18.340877] ERR: sunxi_hcd_h_ep0_irq, no response, csr0 0010
[ 18.347355] ERR: sunxi_hcd_h_ep0_irq, no response, csr0 0010
[ 18.354785] ERR: sunxi_hcd_h_ep0_irq, no response, csr0 0010
[ 18.361991] [sunxi_hcd]: reset port.
[ 18.420794] [sunxi_hcd]: reset port stopped.
[ 18.480848] usb 1-1: device descriptor read/64, error -71
[ 18.590831] [sunxi_hcd]: sunxi_hcd_h_disable, epnum = 0
[ 18.596640] [sunxi_hcd]: sunxi_hcd_h_disable, epnum = 0
[ 18.603570] [sunxi_hcd]: reset port.
[ 18.660789] [sunxi_hcd]: reset port stopped.
[ 18.720857] usb 1-1: new high-speed USB device number 4 using sunxi_hcd_host0
[ 18.728881] ERR: sunxi_hcd_h_ep0_irq, no response, csr0 0010
[ 18.940873] ERR: sunxi_hcd_h_ep0_irq, no response, csr0 0010
[ 19.150807] usb 1-1: device not accepting address 4, error -71
[ 19.157344] [sunxi_hcd]: sunxi_hcd_h_disable, epnum = 0
[ 19.164419] [sunxi_hcd]: sunxi_hcd_h_disable, epnum = 0
[ 19.170331] [sunxi_hcd]: reset port.
[ 19.230784] [sunxi_hcd]: reset port stopped.
[ 19.290848] usb 1-1: new high-speed USB device number 5 using sunxi_hcd_host0
[ 19.298868] ERR: sunxi_hcd_h_ep0_irq, no response, csr0 0010
[ 19.510865] ERR: sunxi_hcd_h_ep0_irq, no response, csr0 0010
[ 19.720796] usb 1-1: device not accepting address 5, error -71
[ 19.727339] [sunxi_hcd]: sunxi_hcd_h_disable, epnum = 0
[ 19.734205] [sunxi_hcd]: sunxi_hcd_h_disable, epnum = 0
[ 19.740067] hub 1-0:1.0: unable to enumerate USB device on port 1
[ 19.747988] hub 1-0:1.0: state 7 ports 1 chg 0000 evt 0002
[ 19.754989] hub 1-0:1.0: port 1 enable change, status 00000501
[ 19.762440] hub 1-0:1.0: hub_suspend
[ 19.766472] usb usb1: bus auto-suspend, wakeup 1
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感谢指点，我之前也这样认为，但确实是U盘可以，摄像头老是报错，但后面几经周折后发现又可以用了，也不知道为什么，也没改什么东西，主要是fex和dts文件，现在可以了就没去研究了。
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