Hi, On Tue, Jun 14, 2011 at 05:34:09PM +0800, Aaron Wu wrote: > Since the wifi card we are using is of the USB interface. We tried on > two diffrent USB controllers, looks like the ISP1362 works OK and > problems happens only on MUSB controller. For both USB controllers we > are using the same kernel version and USB wifi card. Yeah, USB host has quite some performance issues to be fixed. To start with, it uses only DMA Mode0, which is bound to packet boundaries. BTW, which embedded platform are you using ? Which SoC ? -- balbi
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