diff mbox

SATA link power management issues

Message ID 2526428.uJaEqCTeIa@xps13
State Not Applicable
Delegated to: David Miller
Headers show

Commit Message

Gabriele Mazzotta Jan. 12, 2015, 11:05 p.m. UTC 
I just tried the following and I no longer get errors:



I haven't read the specification, so this might be bad. I did this in
base of some consideration I made that, as far as I know, could be
completely wrong. I hope you can get something meaningful out of this.

Gabriele
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diff mbox

Patch

diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 97683e4..c815b31 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -1708,10 +1708,10 @@  static void ahci_handle_port_interrupt(struct ata_port *ap,
 		status &= ~PORT_IRQ_BAD_PMP;
 
 	/* if LPM is enabled, PHYRDY doesn't mean anything */
-	if (ap->link.lpm_policy > ATA_LPM_MAX_POWER) {
+//	if (ap->link.lpm_policy > ATA_LPM_MAX_POWER) {
 		status &= ~PORT_IRQ_PHYRDY;
 		ahci_scr_write(&ap->link, SCR_ERROR, SERR_PHYRDY_CHG);
-	}
+// 	}
 
 	if (unlikely(status & PORT_IRQ_ERROR)) {
 		ahci_error_intr(ap, status);