diff options
| author | Shawn Lin <shawn.lin@rock-chips.com> | 2017-07-19 17:55:12 +0800 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2017-08-16 11:43:59 -0500 |
| commit | 2ba5991f340b28fe467333740a01a17412ba63dc (patch) | |
| tree | e525a2efb6a1995d3f4e541c73158c8b18f6cb2c /drivers/pci/host/pcie-rockchip.c | |
| parent | b6502e0dcf7077bd05664ddfc7e30cce49bc0b0d (diff) | |
PCI: rockchip: Factor out rockchip_pcie_get_phys()
We plan to introduce per-lane PHYs, so factor out rockchip_pcie_get_phys()
to make it easier in the future. No functional change intended.
Tested-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'drivers/pci/host/pcie-rockchip.c')
| -rw-r--r-- | drivers/pci/host/pcie-rockchip.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/pci/host/pcie-rockchip.c b/drivers/pci/host/pcie-rockchip.c index 80b9a8814768..35d6f59a0a70 100644 --- a/drivers/pci/host/pcie-rockchip.c +++ b/drivers/pci/host/pcie-rockchip.c @@ -854,6 +854,19 @@ 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 @@ -884,12 +897,9 @@ 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"); - return PTR_ERR(rockchip->phy); - } + err = rockchip_pcie_get_phys(rockchip); + if (err) + return err; rockchip->lanes = 1; err = of_property_read_u32(node, "num-lanes", &rockchip->lanes); |