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PCI: rockchip: Factor out rockchip_pcie_deinit_phys() 

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>
This commit is contained in:
Shawn Lin 2017-08-23 15:02:49 +08:00 committed by Bjorn Helgaas
parent 41b70b2c6f
commit de8473f514
1 changed files with 15 additions and 14 deletions
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29
drivers/pci/host/pcie-rockchip.c
View 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);