On Thu, 1 Nov 2007 05:07:33 -0400 Jeff Garzik <jeff@xxxxxxxxxx> wrote: > > This is purely for comment and testing, not for merging (yet?). > > A common recipe in several vendor drivers (either GPL'd, or I have NDA'd > access to use them as a documentation-like reference) for ATAPI was > slightly different from ours. This recipe can be found in > atapi_tf_xfer_size(), and it's slightly different from Alan's. Looks mostly good. Might cause breakage on one or two controllers by setting lbam/lbah to 0 for DMA but we can test that and find out. Note however - the scheme in use now has been tested for over ten years in drivers/ide. The scheme below has not... Having an ata_tf_xfer_size method is definitely a good idea whatever methods we eventually decide on. - 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