diff options
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/libahci_platform.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c index 32495ae96567..1e9e825d6cc5 100644 --- a/drivers/ata/libahci_platform.c +++ b/drivers/ata/libahci_platform.c @@ -402,8 +402,14 @@ struct ahci_host_priv *ahci_platform_get_resources(struct platform_device *pdev, devres_add(dev, hpriv); - hpriv->mmio = devm_ioremap_resource(dev, - platform_get_resource(pdev, IORESOURCE_MEM, 0)); + /* + * If the DT provided an "ahci" named resource, use it. Otherwise, + * fallback to using the default first resource for the device node. + */ + if (platform_get_resource_byname(pdev, IORESOURCE_MEM, "ahci")) + hpriv->mmio = devm_platform_ioremap_resource_byname(pdev, "ahci"); + else + hpriv->mmio = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(hpriv->mmio)) { rc = PTR_ERR(hpriv->mmio); goto err_out; |