On Fri, 24 Apr 2009 07:33:46 -0400 Jeff Garzik <jeff@xxxxxxxxxx> wrote: > Alan Cox wrote: > >>> Signed-off-by: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx> > >> I tend to doubt "safe", given the complicated and buggy silicon state > >> machine that recreates the legacy IDE interface on SATA... > > > > The two channels on the ICH and PIIX are independant. There are other > > Starting with ICH5, not true. Think PATA/SATA combined mode... The register sets as presented to us are independent, and there are no interactions on our side. Wecould be extra paranoid about this but testing says it works, code inspection says it works and there is nothing in the chip docs or errata saying don't do it. So at this point I don't think assuming the worst case is actually useful because its only by trying this that we are going to find out if there are any corner cases. 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
