On Saturday 25 April 2015 11:37:51 Tejun Heo wrote:
> I thought more about it and it's weird to have ATA_LFLAG_CHANGED and
> last_lpm_change timestamp in libata core side and then open-code the
> actual logic in ahci. How about implementing a generic helper, say,
> bool sata_lpm_ignore_phy_events(
On Sat, Apr 25, 2015 at 11:34:29AM +0200, Gabriele Mazzotta wrote:
> When the LPM policy is set to ATA_LPM_MAX_POWER, the device might
> generate a spurious PHY event that might cause errors on the link.
> Ignore this event if it occurred within 10s after the policy change.
>
> The timeout was cho
When the LPM policy is set to ATA_LPM_MAX_POWER, the device might
generate a spurious PHY event that might cause errors on the link.
Ignore this event if it occurred within 10s after the policy change.
The timeout was chosen observing that on a Dell XPS13 9333 these
spurious events can occur up to
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