Dear Benoît Thébaudeau, > This patch takes advantage of the hardware EHCI qTD queuing mechanism to > avoid software and transfer splitting overhead so as to make transfers as > fast as possible. > > The only drawback is a call to memalign. However, this is fast compared to > the transfer timings, and the heap size to allocate is small, e.g. 128 kiB > in the worst case for a transfer length of 65535 packets of 512 bytes. > > Tested on i.MX25, i.MX35 and i.MX51. In my test conditions, the speed gain > was very significant (several times faster), which is really appreciable > when accessing large files. > > Signed-off-by: Benoît Thébaudeau <benoit.thebaud...@advansee.com> > Cc: Marek Vasut <ma...@denx.de> > Cc: Ilya Yanok <ilya.ya...@cogentembedded.com> > Cc: Stefan Herbrechtsmeier <ste...@herbrechtsmeier.net> [...]
Seems fine :) Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
