RE: [PATCH] usb: fsl_udc: errata - postpone freeing current dTD

2012-05-20 Thread Christoph Fritz
Hi Chen, On Mon, 2012-05-21 at 01:05 +, Chen Peter-B29397 wrote: > > > > > > USB controller may access a wrong address for the dTD (endpoint transfer > > descriptor) and then hang. This happens a lot when doing tests with > > g_ether module and iperf, a tool for measuring maximum TCP and U

RE: [PATCH] usb: fsl_udc: errata - postpone freeing current dTD

2012-05-20 Thread Chen Peter-B29397
> > USB controller may access a wrong address for the dTD (endpoint transfer > descriptor) and then hang. This happens a lot when doing tests with > g_ether module and iperf, a tool for measuring maximum TCP and UDP > bandwidth. > > This hardware bug is explained in detail by errata number 28

[PATCH] usb: fsl_udc: errata - postpone freeing current dTD

2012-05-20 Thread Christoph Fritz
USB controller may access a wrong address for the dTD (endpoint transfer descriptor) and then hang. This happens a lot when doing tests with g_ether module and iperf, a tool for measuring maximum TCP and UDP bandwidth. This hardware bug is explained in detail by errata number 2858 for i.MX23: http