Thanks. This patch seems to fix all my problems (usb_control/bulk_msg: timeout) with usb-storage (external
IDE drive case) and ehci on VIA USB 2.0 PCI addon card. I just bought this
usb 2 stuff yesterday, so this is a really quick fix ;)
And a quick confirmation, many thanks!
I'm not sure if this is usb 2.0 chip issue, but I get arround 7.7 mb/sec
transfer rate with this chip and i get 10 mb/s with intel usb 2.0 from 865p
chipset from my friend. Is it possible that transfer rate will be much higher on 2.5 (as described on Linux and USB 2.0 document at linux-usb.org, using
usb_sg_submit())? Could this bit of functionality be backported to 2.4
easily?
I'd expect faster transfers from most usb-storage devices on 2.5, for that very reason. "Your mileage may vary" of course.
As for backport, don't hold your breath. It could be done, but the changes are more invasive than I'd expect to merge into 2.4, especially given where we are in the 2.5 cycle.
- Dave
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