diff options
| author |  Shawn Lin <shawn.lin@rock-chips.com>
| 2017-08-23 15:02:49 +0800 |
|---|---|---|
| committer |  Bjorn Helgaas <bhelgaas@google.com>
| 2017-08-29 13:18:07 -0500 |
| commit | de8473f51470805cfd3132cc91598471bb9c5151 (patch) | |
| tree | 4e6e9aadb7bf5f94644710be4626a6fdae4020b8 /drivers/pci/host | |
| parent | PCI: rockchip: Factor out rockchip_pcie_disable_clocks() (diff) | |
| download | linux-de8473f51470805cfd3132cc91598471bb9c5151.tar.gz linux-de8473f51470805cfd3132cc91598471bb9c5151.tar.bz2 linux-de8473f51470805cfd3132cc91598471bb9c5151.zip | |
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>
Diffstat (limited to 'drivers/pci/host')
| -rw-r--r-- | drivers/pci/host/pcie-rockchip.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/drivers/pci/host/pcie-rockchip.c b/drivers/pci/host/pcie-rockchip.c index 1797b4ee8223..9879a6725c3d 100644 --- a/drivers/pci/host/pcie-rockchip.c +++ b/drivers/pci/host/pcie-rockchip.c @@ -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); |