Dear Huang Shijie, > 于 2012年10月18日 16:49, Marek Vasut 写道: > > Dear Huang Shijie, > > > >> 于 2012年10月18日 16:16, Marek Vasut 写道: > >>> So we can't stream data from the chip? About time to adjust the MTD > >>> framework to allow that. Maybe implement a command queue? > >> > >> IMHO, it's not possible. Because the READ-PAGE(00h-30h) command needs to > >> check the busy status > >> which means we have to stop in the middle, so we can not chain the all > >> the read-pages DMA commands. > > > > Can the DMA not branch? > > it's too complicated to the MTD layer, as well as the gpmi driver. Can you please elaborate ? Best regards, Marek Vasut -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html