diff mbox series

[v3,2/3] ata: ahci_brcm: Perform reset after obtaining resources

Message ID 20200107183022.26224-3-f.fainelli@gmail.com
State Not Applicable
Delegated to: David Miller
Headers show
Series ata: ahci_brcm: Follow-up changes for BCM7216 | expand

Commit Message

Florian Fainelli Jan. 7, 2020, 6:30 p.m. UTC
Resources such as clocks, PHYs, regulators are likely to get a probe
deferral return code, which could lead to the AHCI controller being
reset a few times until it gets successfully probed. Since this is
typically the most time consuming operation, move it after the resources
have been acquired.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 drivers/ata/ahci_brcm.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/drivers/ata/ahci_brcm.c b/drivers/ata/ahci_brcm.c
index 718516fe6997..c229fea39a47 100644
--- a/drivers/ata/ahci_brcm.c
+++ b/drivers/ata/ahci_brcm.c
@@ -456,15 +456,9 @@  static int brcm_ahci_probe(struct platform_device *pdev)
 	if (IS_ERR(priv->rcdev))
 		return PTR_ERR(priv->rcdev);
 
-	ret = reset_control_deassert(priv->rcdev);
-	if (ret)
-		return ret;
-
 	hpriv = ahci_platform_get_resources(pdev, 0);
-	if (IS_ERR(hpriv)) {
-		ret = PTR_ERR(hpriv);
-		goto out_reset;
-	}
+	if (IS_ERR(hpriv))
+		return PTR_ERR(hpriv);
 
 	hpriv->plat_data = priv;
 	hpriv->flags = AHCI_HFLAG_WAKE_BEFORE_STOP | AHCI_HFLAG_NO_WRITE_TO_RO;
@@ -481,6 +475,10 @@  static int brcm_ahci_probe(struct platform_device *pdev)
 		break;
 	}
 
+	ret = reset_control_deassert(priv->rcdev);
+	if (ret)
+		return ret;
+
 	ret = ahci_platform_enable_clks(hpriv);
 	if (ret)
 		goto out_reset;