Add clock support to the ahci_mvebu.c driver. This is needed in order
to get suspend to RAM working.
Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
---
drivers/ata/ahci_mvebu.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/ata/ahci_mvebu.c b/drivers/ata/ahci_mvebu.c
index 902971bfe301..cad35806c3c2 100644
--- a/drivers/ata/ahci_mvebu.c
+++ b/drivers/ata/ahci_mvebu.c
@@ -195,6 +195,16 @@ static int ahci_mvebu_probe(struct platform_device *pdev)
if (!hpriv->plat_data)
return -EINVAL;
+ /* The clock property is absent in old bindings */
+ hpriv->clks[0] = devm_clk_get(&pdev->dev, NULL);
+ if (IS_ERR(hpriv->clks[0])) {
+ if (PTR_ERR(hpriv->clks[0]) == -EPROBE_DEFER)
+ return PTR_ERR(hpriv->clks[0]);
+
+ dev_warn(&pdev->dev, "no clock available\n");
+ hpriv->clks[0] = NULL;
+ }
+
rc = ahci_platform_enable_resources(hpriv);
if (rc)
return rc;
--
2.19.1
