On Tuesday 07 July 2009 15:50:28 Piotr Zięcik wrote: > > I did not find time yet to test on my AT91RM9200 board. I hope to do a > > test this week. Did you at semihalf find anything? >
Hi, > I had Checked USB behaviour on PowerPC without hardware cache coherency. > The problem also exists here and patch helps. In my source code view the busdma sync function is empty for power-pc. Your patch should have no effect at all for sync operations? > > I also generated some logs which you asked for: Thanks. I will try to make a build for AT91RM9200 tonight. Did you test my suggested patch: > Try adding: > > cpu_dcache_wb_range((vm_offset_t)buf, len); > cpu_l2cache_wb_range((vm_offset_t)buf, len); > > Before: > > cpu_dcache_wbinv_range((vm_offset_t)buf, len); > cpu_l2cache_wbinv_range((vm_offset_t)buf, len); > > In: sys/arm/arm/busdma_machdep.c Or have you got any comments on that? --HPS _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "[email protected]"
