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. -- balbi
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