Re: musb: communication issue with more than 12 FTDI ports

2015-10-14 Thread Bin Liu
On 10/14/2015 12:19 PM, Felipe Balbi wrote: Hi, Bin Liu writes: On 10/14/2015 12:05 PM, Felipe Balbi wrote: Hi, Bin Liu writes: Felipe, On 10/14/2015 11:25 AM, Felipe Balbi wrote: Hi, Bin Liu writes: On 10/14/2015 10:56 AM, Felipe Balbi wrote: Hi, Bin Liu writes: Hi, On 10/

Re: musb: communication issue with more than 12 FTDI ports

2015-10-14 Thread Felipe Balbi
Hi, Bin Liu writes: > On 10/14/2015 12:05 PM, Felipe Balbi wrote: >> >> Hi, >> >> Bin Liu writes: >>> Felipe, >>> >>> On 10/14/2015 11:25 AM, Felipe Balbi wrote: Hi, Bin Liu writes: > On 10/14/2015 10:56 AM, Felipe Balbi wrote: >> >> Hi, >> >> Bin Liu w

Re: musb: communication issue with more than 12 FTDI ports

2015-10-14 Thread Bin Liu
On 10/14/2015 12:05 PM, Felipe Balbi wrote: Hi, Bin Liu writes: Felipe, On 10/14/2015 11:25 AM, Felipe Balbi wrote: Hi, Bin Liu writes: On 10/14/2015 10:56 AM, Felipe Balbi wrote: Hi, Bin Liu writes: Hi, On 10/13/2015 01:22 PM, Felipe Balbi wrote: Yegor Yefremov writes: On Mo

Re: musb: communication issue with more than 12 FTDI ports

2015-10-14 Thread Felipe Balbi
Hi, Bin Liu writes: > Felipe, > > On 10/14/2015 11:25 AM, Felipe Balbi wrote: >> >> Hi, >> >> Bin Liu writes: >>> On 10/14/2015 10:56 AM, Felipe Balbi wrote: Hi, Bin Liu writes: > Hi, > > On 10/13/2015 01:22 PM, Felipe Balbi wrote: >> Yegor Yefremov writes:

Re: musb: communication issue with more than 12 FTDI ports

2015-10-14 Thread Bin Liu
Felipe, On 10/14/2015 11:25 AM, Felipe Balbi wrote: Hi, Bin Liu writes: On 10/14/2015 10:56 AM, Felipe Balbi wrote: Hi, Bin Liu writes: Hi, On 10/13/2015 01:22 PM, Felipe Balbi wrote: Yegor Yefremov writes: On Mon, Oct 12, 2015 at 11:34 AM, Yegor Yefremov wrote: We have a problem,

Re: musb: communication issue with more than 12 FTDI ports

2015-10-14 Thread Felipe Balbi
Hi, Bin Liu writes: > On 10/14/2015 10:56 AM, Felipe Balbi wrote: >> >> Hi, >> >> Bin Liu writes: >>> Hi, >>> >>> On 10/13/2015 01:22 PM, Felipe Balbi wrote: Yegor Yefremov writes: > On Mon, Oct 12, 2015 at 11:34 AM, Yegor Yefremov > wrote: >> We have a problem, when using mo

Re: musb: communication issue with more than 12 FTDI ports

2015-10-14 Thread Bin Liu
On 10/14/2015 10:56 AM, Felipe Balbi wrote: Hi, Bin Liu writes: Hi, On 10/13/2015 01:22 PM, Felipe Balbi wrote: Yegor Yefremov writes: On Mon, Oct 12, 2015 at 11:34 AM, Yegor Yefremov wrote: We have a problem, when using more than 12 FTDI ports. Kernels tried: 3.18.1, 4.2.3 and 4.3-rc5.

Re: musb: communication issue with more than 12 FTDI ports

2015-10-14 Thread Felipe Balbi
Hi, Bin Liu writes: > Hi, > > On 10/13/2015 01:22 PM, Felipe Balbi wrote: >> Yegor Yefremov writes: >>> On Mon, Oct 12, 2015 at 11:34 AM, Yegor Yefremov >>> wrote: We have a problem, when using more than 12 FTDI ports. Kernels tried: 3.18.1, 4.2.3 and 4.3-rc5. SoC am335x 600MHz

Re: musb: communication issue with more than 12 FTDI ports

2015-10-14 Thread Bin Liu
Hi, On 10/13/2015 01:22 PM, Felipe Balbi wrote: Yegor Yefremov writes: On Mon, Oct 12, 2015 at 11:34 AM, Yegor Yefremov wrote: We have a problem, when using more than 12 FTDI ports. Kernels tried: 3.18.1, 4.2.3 and 4.3-rc5. SoC am335x 600MHz Below the USB topology: # lsusb -t /: Bus 02.Po

Re: musb: communication issue with more than 12 FTDI ports

2015-10-13 Thread Felipe Balbi
Yegor Yefremov writes: > On Mon, Oct 12, 2015 at 11:34 AM, Yegor Yefremov > wrote: >> We have a problem, when using more than 12 FTDI ports. Kernels tried: >> 3.18.1, 4.2.3 and 4.3-rc5. SoC am335x 600MHz >> >> Below the USB topology: >> >> # lsusb -t >> /: Bus 02.Port 1: Dev 1, Class=root_hub, D

RE: musb: communication issue with more than 12 FTDI ports

2015-10-12 Thread Konstantin Shkolnyy
linux-usb Cc: linux-o...@vger.kernel.org; Felipe Balbi Subject: Re: musb: communication issue with more than 12 FTDI ports On Mon, Oct 12, 2015 at 11:34 AM, Yegor Yefremov wrote: > We have a problem, when using more than 12 FTDI ports. Kernels tried: > 3.18.1, 4.2.3 and 4.3-rc5. SoC am

Re: musb: communication issue with more than 12 FTDI ports

2015-10-12 Thread Yegor Yefremov
On Mon, Oct 12, 2015 at 11:34 AM, Yegor Yefremov wrote: > We have a problem, when using more than 12 FTDI ports. Kernels tried: > 3.18.1, 4.2.3 and 4.3-rc5. SoC am335x 600MHz > > Below the USB topology: > > # lsusb -t > /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=musb-hdrc/1p, 480M > /: Bus