PCI: rockchip: Factor out rockchip_pcie_deinit_phys()
authorShawn Lin <shawn.lin@rock-chips.com>
Wed, 23 Aug 2017 07:02:49 +0000 (15:02 +0800)
committerBjorn Helgaas <bhelgaas@google.com>
Tue, 29 Aug 2017 18:18:07 +0000 (13:18 -0500)
Factor out rockchip_pcie_deinit_phys() so it can be reused by
rockchip_pcie_suspend_noirq() and rockchip_pcie_remove().  No functional
change intended.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
drivers/pci/host/pcie-rockchip.c

index 1797b4ee8223212c4b8f047ab325afd3cab759da..9879a6725c3dcbdf82ac7b451d440eeafd0d6529 100644 (file)
@@ -756,6 +756,18 @@ static int rockchip_pcie_init_port(struct rockchip_pcie *rockchip)
        return 0;
 }
 
+static void rockchip_pcie_deinit_phys(struct rockchip_pcie *rockchip)
+{
+       int i;
+
+       for (i = 0; i < MAX_LANE_NUM; i++) {
+               /* inactive lanes are already powered off */
+               if (rockchip->lanes_map & BIT(i))
+                       phy_power_off(rockchip->phys[i]);
+               phy_exit(rockchip->phys[i]);
+       }
+}
+
 static irqreturn_t rockchip_pcie_subsys_irq_handler(int irq, void *arg)
 {
        struct rockchip_pcie *rockchip = arg;
@@ -1430,7 +1442,7 @@ static void rockchip_pcie_disable_clocks(void *data)
 static int __maybe_unused rockchip_pcie_suspend_noirq(struct device *dev)
 {
        struct rockchip_pcie *rockchip = dev_get_drvdata(dev);
-       int ret, i;
+       int ret;
 
        /* disable core and cli int since we don't need to ack PME_ACK */
        rockchip_pcie_write(rockchip, (PCIE_CLIENT_INT_CLI << 16) |
@@ -1443,12 +1455,7 @@ static int __maybe_unused rockchip_pcie_suspend_noirq(struct device *dev)
                return ret;
        }
 
-       for (i = 0; i < MAX_LANE_NUM; i++) {
-               /* inactive lanes are already powered off */
-               if (rockchip->lanes_map & BIT(i))
-                       phy_power_off(rockchip->phys[i]);
-               phy_exit(rockchip->phys[i]);
-       }
+       rockchip_pcie_deinit_phys(rockchip);
 
        rockchip_pcie_disable_clocks(rockchip);
 
@@ -1637,19 +1644,13 @@ static int rockchip_pcie_remove(struct platform_device *pdev)
 {
        struct device *dev = &pdev->dev;
        struct rockchip_pcie *rockchip = dev_get_drvdata(dev);
-       int i;
 
        pci_stop_root_bus(rockchip->root_bus);
        pci_remove_root_bus(rockchip->root_bus);
        pci_unmap_iospace(rockchip->io);
        irq_domain_remove(rockchip->irq_domain);
 
-       for (i = 0; i < MAX_LANE_NUM; i++) {
-               /* inactive lanes are already powered off */
-               if (rockchip->lanes_map & BIT(i))
-                       phy_power_off(rockchip->phys[i]);
-               phy_exit(rockchip->phys[i]);
-       }
+       rockchip_pcie_deinit_phys(rockchip);
 
        rockchip_pcie_disable_clocks(rockchip);