A feature has been added in the libahci driver: the possibility to set
a new flag in hpriv->flags to let the core handle PHY suspend/resume
automatically. Make use of this feature to make suspend to RAM work
with SATA drives on A3700.
Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
---
drivers/ata/ahci_mvebu.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/ata/ahci_mvebu.c b/drivers/ata/ahci_mvebu.c
index bbab688d3c34..d4bba3ace45d 100644
--- a/drivers/ata/ahci_mvebu.c
+++ b/drivers/ata/ahci_mvebu.c
@@ -30,6 +30,7 @@
struct ahci_mvebu_plat_data {
int (*plat_config)(struct ahci_host_priv *hpriv);
+ unsigned int flags;
};
static void ahci_mvebu_mbus_config(struct ahci_host_priv *hpriv,
@@ -195,6 +196,7 @@ static int ahci_mvebu_probe(struct platform_device *pdev)
if (IS_ERR(hpriv))
return PTR_ERR(hpriv);
+ hpriv->flags |= pdata->flags;
hpriv->plat_data = (void *)pdata;
rc = ahci_platform_enable_resources(hpriv);
@@ -225,6 +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,
};
static const struct of_device_id ahci_mvebu_of_match[] = {
--
2.19.1
