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path: root/drivers/pci/host/pcie-qcom.c
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Diffstat (limited to 'drivers/pci/host/pcie-qcom.c')
-rw-r--r--drivers/pci/host/pcie-qcom.c30
1 files changed, 12 insertions, 18 deletions
diff --git a/drivers/pci/host/pcie-qcom.c b/drivers/pci/host/pcie-qcom.c
index 5ec2d440a6b7..ef0a84c7a588 100644
--- a/drivers/pci/host/pcie-qcom.c
+++ b/drivers/pci/host/pcie-qcom.c
@@ -86,12 +86,10 @@ struct qcom_pcie_ops {
};
struct qcom_pcie {
- struct pcie_port pp;
- struct device *dev;
+ struct pcie_port pp; /* pp.dbi_base is DT dbi */
+ void __iomem *parf; /* DT parf */
+ void __iomem *elbi; /* DT elbi */
union qcom_pcie_resources res;
- void __iomem *parf;
- void __iomem *dbi;
- void __iomem *elbi;
struct phy *phy;
struct gpio_desc *reset;
struct qcom_pcie_ops *ops;
@@ -136,7 +134,7 @@ static int qcom_pcie_establish_link(struct qcom_pcie *pcie)
static int qcom_pcie_get_resources_v0(struct qcom_pcie *pcie)
{
struct qcom_pcie_resources_v0 *res = &pcie->res.v0;
- struct device *dev = pcie->dev;
+ struct device *dev = pcie->pp.dev;
res->vdda = devm_regulator_get(dev, "vdda");
if (IS_ERR(res->vdda))
@@ -188,7 +186,7 @@ static int qcom_pcie_get_resources_v0(struct qcom_pcie *pcie)
static int qcom_pcie_get_resources_v1(struct qcom_pcie *pcie)
{
struct qcom_pcie_resources_v1 *res = &pcie->res.v1;
- struct device *dev = pcie->dev;
+ struct device *dev = pcie->pp.dev;
res->vdda = devm_regulator_get(dev, "vdda");
if (IS_ERR(res->vdda))
@@ -237,7 +235,7 @@ static void qcom_pcie_deinit_v0(struct qcom_pcie *pcie)
static int qcom_pcie_init_v0(struct qcom_pcie *pcie)
{
struct qcom_pcie_resources_v0 *res = &pcie->res.v0;
- struct device *dev = pcie->dev;
+ struct device *dev = pcie->pp.dev;
u32 val;
int ret;
@@ -359,7 +357,7 @@ static void qcom_pcie_deinit_v1(struct qcom_pcie *pcie)
static int qcom_pcie_init_v1(struct qcom_pcie *pcie)
{
struct qcom_pcie_resources_v1 *res = &pcie->res.v1;
- struct device *dev = pcie->dev;
+ struct device *dev = pcie->pp.dev;
int ret;
ret = reset_control_deassert(res->core);
@@ -426,7 +424,7 @@ err_res:
static int qcom_pcie_link_up(struct pcie_port *pp)
{
struct qcom_pcie *pcie = to_qcom_pcie(pp);
- u16 val = readw(pcie->dbi + PCIE20_CAP + PCI_EXP_LNKSTA);
+ u16 val = readw(pcie->pp.dbi_base + PCIE20_CAP + PCI_EXP_LNKSTA);
return !!(val & PCI_EXP_LNKSTA_DLLLA);
}
@@ -509,8 +507,8 @@ static int qcom_pcie_probe(struct platform_device *pdev)
if (!pcie)
return -ENOMEM;
+ pp = &pcie->pp;
pcie->ops = (struct qcom_pcie_ops *)of_device_get_match_data(dev);
- pcie->dev = dev;
pcie->reset = devm_gpiod_get_optional(dev, "perst", GPIOD_OUT_LOW);
if (IS_ERR(pcie->reset))
@@ -522,9 +520,9 @@ static int qcom_pcie_probe(struct platform_device *pdev)
return PTR_ERR(pcie->parf);
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi");
- pcie->dbi = devm_ioremap_resource(dev, res);
- if (IS_ERR(pcie->dbi))
- return PTR_ERR(pcie->dbi);
+ pp->dbi_base = devm_ioremap_resource(dev, res);
+ if (IS_ERR(pp->dbi_base))
+ return PTR_ERR(pp->dbi_base);
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "elbi");
pcie->elbi = devm_ioremap_resource(dev, res);
@@ -539,9 +537,7 @@ static int qcom_pcie_probe(struct platform_device *pdev)
if (ret)
return ret;
- pp = &pcie->pp;
pp->dev = dev;
- pp->dbi_base = pcie->dbi;
pp->root_bus_nr = -1;
pp->ops = &qcom_pcie_dw_ops;
@@ -569,8 +565,6 @@ static int qcom_pcie_probe(struct platform_device *pdev)
return ret;
}
- platform_set_drvdata(pdev, pcie);
-
return 0;
}