從我的 iPad 傳送 > Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx> 於 2016年8月16日 下午3:10 寫道： > > > Hi, > > ayaka <ayaka@xxxxxxxxxxx> writes: >>> On 08/13/2016 01:44 AM, Greg KH wrote: >>>> On Sat, Aug 13, 2016 at 12:38:46AM +0800, ayaka wrote: >>>> >>>>> On 08/12/2016 03:40 PM, Greg KH wrote: >>>>>> On Fri, Aug 12, 2016 at 10:23:15AM +0800, ayaka wrote: >>>>>> Hello all: >>>>>> I recently add a support for customize am3358 board using the branch >>>>>> processor-sdk-linux-03.00.00 from Ti git. But I meet a problem with musb >>>>>> at the peripheral mode. >>>>> Then you are going to have to get support from TI for this, nothing we >>>>> can do here about random vendor kernel trees, sorry. >>>>> >>>>> If you can use the 4.7 tree, or better yet, the 4.8-rc tree, then we >>>> I have tried the 4.8-rc1, I meet the same problem. >>> What problem is that exactly? >> Sorry, the USB1 can't work at high speed gadget mode and have DMA problem. >> musb-hdrc musb-hdrc.0.auto: Failed to request rx1. >> musb-hdrc musb-hdrc.0.auto: musb_init_controller failed with status -517 > > -517 is EPROBE_DEFER. Most likely DMA hasn't probed and MUSB is > deferring to try later. This does _NOT_ MUSB can't work with > DMA. Perhaps you didn't enable support for MUSB's DMA engine. > I have set the status of cppi41dma to okay in dts. And CONFIG_USB_TI_CPPI41_DMA, CONFIG_TI_CPPI41 and CONFIG_TI_EDMA are enabled with build into kernel. Anything else I should do? > -- > balbi -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
