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各位高人请帮忙看看,小弟用的飞思卡尔处理器imx28,使用了HUB芯片2514,想分出两个USB口,开机后打印信息如下所示,无法枚举,请大家帮忙看看!
hub 2-1:1.0: USB hub found
hub 2-1:1.0: 4 ports detected
usb 2-1.1: new full speed USB device using fsl-ehci and address 3
usb 2-1.1: device descriptor read/64, error -32
usb 2-1.1: device descriptor read/64, error -32
usb 2-1.1: new full speed USB device using fsl-ehci and address 4
usb 2-1.1: device descriptor read/64, error -32
usb 2-1.1: device descriptor read/64, error -32
usb 2-1.1: new full speed USB device using fsl-ehci and address 5
usb 2-1.1: device not accepting address 5, error -32
usb 2-1.1: new full speed USB device using fsl-ehci and address 6
usb 2-1.1: device not accepting address 6, error -32
hub 2-1:1.0: unable to enumerate USB device on port 1 |
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