On Sat, Jul 05, 2008 at 18:44:21 +0300, Felipe Balbi wrote: > Hi, > > On Sat, Jul 5, 2008 at 6:23 PM, Arjan van de Ven <arjan@xxxxxxxxxxxxx> wrote: [...] > > Also take a look at > > http://kerneltrap.org/mailarchive/linux-kernel/2008/5/8/1771024 because > > these patches save like 0.75W in our lab. > > cool, is it merged upstream ? If I got this right, at least Linux 2.6.25 allows to control this via "/sys/class/scsi_host/host*/link_power_management_policy". Setting it to "min_power" does the trick. This is also covered by powertop 1.10 and later. Regards, Tino -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html