Xu Nakajima wrote: > If you look at zd_usb_enable_int() in zd_usb.c, > the USB transfer_buffer is currently kmalloced; Any > idea what is the advantage of using a DMA buffer > instead?
> And BTW, there is a comment there saying: > /* TODO: make it a DMA buffer */ It is a little bit easier todo, because the respective flag doesn't need to be set. The performance impact should be minimal because interrupt buffers have maximum size of 64 byte. We could allocate a dma buffer and set the flag, but this shouldn't have any dramatic effect on performance. Regards, Uli -- Uli Kunitz - [EMAIL PROTECTED] ------------------------------------------------------- All the advantages of Linux Managed Hosting--Without the Cost and Risk! Fully trained technicians. The highest number of Red Hat certifications in the hosting industry. Fanatical Support. Click to learn more http://sel.as-us.falkag.net/sel?cmd=lnk&kid=107521&bid=248729&dat=121642 _______________________________________________ Zd1211-devs mailing list - http://zd1211.ath.cx/ Unsubscribe: https://lists.sourceforge.net/lists/listinfo/zd1211-devs
