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[RFC,1/6] PCI: rockchip: split out rockchip_pcie_get_phys

Message ID 1500004101-240296-2-git-send-email-shawn.lin@rock-chips.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Shawn Lin July 14, 2017, 3:48 a.m. UTC 
We plan to introduce per-lanes PHY, so split out new
function to make it easy in the future. No functional
change intended.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
---

 drivers/pci/host/pcie-rockchip.c | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)
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Patch

diff --git a/drivers/pci/host/pcie-rockchip.c b/drivers/pci/host/pcie-rockchip.c
index 5acf869..6632a51 100644
--- a/drivers/pci/host/pcie-rockchip.c
+++ b/drivers/pci/host/pcie-rockchip.c
@@ -853,6 +853,19 @@  static void rockchip_pcie_legacy_int_handler(struct irq_desc *desc)
 	chained_irq_exit(chip, desc);
 }
 
+static int rockchip_pcie_get_phys(struct rockchip_pcie *rockchip)
+{
+	struct device *dev = rockchip->dev;
+
+	rockchip->phy = devm_phy_get(dev, "pcie-phy");
+	if (IS_ERR(rockchip->phy)) {
+		if (PTR_ERR(rockchip->phy) != -EPROBE_DEFER)
+			dev_err(dev, "missing phy\n");
+		return PTR_ERR(rockchip->phy);
+	}
+
+	return 0;
+}
 
 /**
  * rockchip_pcie_parse_dt - Parse Device Tree
@@ -883,12 +896,8 @@  static int rockchip_pcie_parse_dt(struct rockchip_pcie *rockchip)
 	if (IS_ERR(rockchip->apb_base))
 		return PTR_ERR(rockchip->apb_base);
 
-	rockchip->phy = devm_phy_get(dev, "pcie-phy");
-	if (IS_ERR(rockchip->phy)) {
-		if (PTR_ERR(rockchip->phy) != -EPROBE_DEFER)
-			dev_err(dev, "missing phy\n");
+	if (rockchip_pcie_get_phys(rockchip))
 		return PTR_ERR(rockchip->phy);
-	}
 
 	rockchip->lanes = 1;
 	err = of_property_read_u32(node, "num-lanes", &rockchip->lanes);