O> Does READ_CD work fine via DMA? 2K+ filtering filters most if not all > misc commands so usually only sector (2K) aligned READ and WRITEs are > done via DMA. Interesting exceptions are READ_CD[_MSF] and > READ/WRITE_BUFFER which usually exceed 2K but aren't aligned to 2K. I > guess it's about time to write a test case program which issues a bunch > of problematic commands and see which works. I'm not 100% sure but the reports for both IT821x and ALi with that are that it does and the IT821x case I'm pretty certain of. Getting a tester to move a CD drive between the ALi and a PIIX controller shows the behaviour is controller specific Alan - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
