On Tue, Apr 15, 2014 at 10:27:11PM -0700, Jacob Pan wrote: > On Intel Valleyview SoC, SATA device sleep is not reliable. When > DEVSLP is attempted on certain SSDs, port_devslp write would fail > and result in malfunction of AHCI controller. AHCI controller may > be not shown in PCI enumeration after reset. Complete power source > removal may be required to recover from this failure. So we blacklist > this device and override host device reported capabilities such that > device LPM will only attempt slumber but not DEVSLP. > > Signed-off-by: Jacob Pan <[email protected]> > Acked-by: Dan Williams <[email protected]>
Applied to libata/for-3.15-fixes. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

