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-rw-r--r--drivers/ata/ahci.h2
-rw-r--r--drivers/ata/ahci_mvebu.c2
-rw-r--r--drivers/ata/libahci_platform.c2
3 files changed, 4 insertions, 2 deletions
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index d991dd46e89c..98b8baa47dc5 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -240,6 +240,8 @@ enum {
as default lpm_policy */
AHCI_HFLAG_SUSPEND_PHYS = (1 << 26), /* handle PHYs during
suspend/resume */
+ AHCI_HFLAG_IGN_NOTSUPP_POWER_ON = (1 << 27), /* ignore -EOPNOTSUPP
+ from phy_power_on() */
/* ap->flags bits */
diff --git a/drivers/ata/ahci_mvebu.c b/drivers/ata/ahci_mvebu.c
index d4bba3ace45d..3ad46d26d9d5 100644
--- a/drivers/ata/ahci_mvebu.c
+++ b/drivers/ata/ahci_mvebu.c
@@ -227,7 +227,7 @@ static const struct ahci_mvebu_plat_data ahci_mvebu_armada_380_plat_data = {
static const struct ahci_mvebu_plat_data ahci_mvebu_armada_3700_plat_data = {
.plat_config = ahci_mvebu_armada_3700_config,
- .flags = AHCI_HFLAG_SUSPEND_PHYS,
+ .flags = AHCI_HFLAG_SUSPEND_PHYS | AHCI_HFLAG_IGN_NOTSUPP_POWER_ON,
};
static const struct of_device_id ahci_mvebu_of_match[] = {
diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c
index 86261deeb4c5..de638dafce21 100644
--- a/drivers/ata/libahci_platform.c
+++ b/drivers/ata/libahci_platform.c
@@ -59,7 +59,7 @@ int ahci_platform_enable_phys(struct ahci_host_priv *hpriv)
}
rc = phy_power_on(hpriv->phys[i]);
- if (rc) {
+ if (rc && !(rc == -EOPNOTSUPP && (hpriv->flags & AHCI_HFLAG_IGN_NOTSUPP_POWER_ON))) {
phy_exit(hpriv->phys[i]);
goto disable_phys;
}