On Sun, Sep 20, 2009 at 5:02 PM, Robert Hancock <hancockrwd@xxxxxxxxx> wrote: > Update the AHCI driver to display all of the HBA capabilities defined in the > AHCI 1.3 specification. Some of these are in a new CAP2 (HBA Capabilities > Extended) register which is only defined on AHCI 1.2 or later. The spec says > that undefined registers should always return 0 on read, but to be safe we > assume a value of 0 unless the controller reports AHCI version 1.2 or later. > The value can also be retrieved through sysfs as with the existing capability > field. > > For example, on an Intel Ibex Peak (PCH) controller: > > ahci 0000:00:1f.2: flags: 64bit ncq sntf stag pm led clo pmp pio slum part ems > sxs apst > > We don't do anything special with the new flags yet. > > Also, change the code that displays the flags to use the same bit enumerations > that are used to control actual operation. > > Signed-off-by: Robert Hancock <hancockrwd@xxxxxxxxx> > Ping? -- 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
