[PATCH 07/13] phy: qcom-qmp-usb: clean up probe initialisation

Johan Hovold
2022-10-24T10:07:13Z

Stop abusing the driver data pointer and instead pass the driver state
structure directly to the initialisation helpers during probe.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---
drivers/phy/qualcomm/phy-qcom-qmp-usb.c | 46 ++++++++++++-------------
1 file changed, 22 insertions(+), 24 deletions(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-usb.c b/drivers/phy/qualcomm/phy-qcom-qmp-usb.c
index ccb834a08d5b..2e603831e45e 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-usb.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-usb.c
@@ -2250,9 +2250,10 @@ static const struct dev_pm_ops qmp_usb_pm_ops = {
qmp_usb_runtime_resume, NULL)
};

-static int qmp_usb_vreg_init(struct device *dev, const struct qmp_phy_cfg *cfg)
+static int qmp_usb_vreg_init(struct qmp_usb *qmp)
{
- struct qmp_usb *qmp = dev_get_drvdata(dev);
+ const struct qmp_phy_cfg *cfg = qmp->cfg;
+ struct device *dev = qmp->dev;
int num = cfg->num_vregs;
int i;

@@ -2266,9 +2267,10 @@ static int qmp_usb_vreg_init(struct device *dev, const struct qmp_phy_cfg *cfg)
return devm_regulator_bulk_get(dev, num, qmp->vregs);
}

-static int qmp_usb_reset_init(struct device *dev, const struct qmp_phy_cfg *cfg)
+static int qmp_usb_reset_init(struct qmp_usb *qmp)
{
- struct qmp_usb *qmp = dev_get_drvdata(dev);
+ const struct qmp_phy_cfg *cfg = qmp->cfg;
+ struct device *dev = qmp->dev;
int i;
int ret;

@@ -2287,9 +2289,10 @@ static int qmp_usb_reset_init(struct device *dev, const struct qmp_phy_cfg *cfg)
return 0;
}

-static int qmp_usb_clk_init(struct device *dev, const struct qmp_phy_cfg *cfg)
+static int qmp_usb_clk_init(struct qmp_usb *qmp)
{
- struct qmp_usb *qmp = dev_get_drvdata(dev);
+ const struct qmp_phy_cfg *cfg = qmp->cfg;
+ struct device *dev = qmp->dev;
int num = cfg->num_clks;
int i;

@@ -2385,10 +2388,10 @@ static void __iomem *qmp_usb_iomap(struct device *dev, struct device_node *np,
return devm_of_iomap(dev, np, index, NULL);
}

-static int qmp_usb_create(struct device *dev, struct device_node *np,
- void __iomem *serdes, const struct qmp_phy_cfg *cfg)
+static int qmp_usb_create(struct qmp_usb *qmp, struct device_node *np)
{
- struct qmp_usb *qmp = dev_get_drvdata(dev);
+ const struct qmp_phy_cfg *cfg = qmp->cfg;
+ struct device *dev = qmp->dev;
struct phy *generic_phy;
bool exclusive = true;
int ret;
@@ -2402,8 +2405,6 @@ static int qmp_usb_create(struct device *dev, struct device_node *np,
if (of_device_is_compatible(dev->of_node, "qcom,sm8350-qmp-usb3-uni-phy"))
exclusive = false;

- qmp->cfg = cfg;
- qmp->serdes = serdes;
/*
* Get memory resources for the PHY:
* Resources are indexed as: tx -> 0; rx -> 1; pcs -> 2.
@@ -2468,8 +2469,6 @@ static int qmp_usb_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct device_node *child;
struct phy_provider *phy_provider;
- void __iomem *serdes;
- const struct qmp_phy_cfg *cfg = NULL;
struct qmp_usb *qmp;
int ret;

@@ -2478,31 +2477,30 @@ static int qmp_usb_probe(struct platform_device *pdev)
return -ENOMEM;

qmp->dev = dev;
- dev_set_drvdata(dev, qmp);

- cfg = of_device_get_match_data(dev);
- if (!cfg)
+ qmp->cfg = of_device_get_match_data(dev);
+ if (!qmp->cfg)
return -EINVAL;

- serdes = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(serdes))
- return PTR_ERR(serdes);
+ qmp->serdes = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(qmp->serdes))
+ return PTR_ERR(qmp->serdes);

- if (cfg->has_phy_dp_com_ctrl) {
+ if (qmp->cfg->has_phy_dp_com_ctrl) {
qmp->dp_com = devm_platform_ioremap_resource(pdev, 1);
if (IS_ERR(qmp->dp_com))
return PTR_ERR(qmp->dp_com);
}

- ret = qmp_usb_clk_init(dev, cfg);
+ ret = qmp_usb_clk_init(qmp);
if (ret)
return ret;

- ret = qmp_usb_reset_init(dev, cfg);
+ ret = qmp_usb_reset_init(qmp);
if (ret)
return ret;

- ret = qmp_usb_vreg_init(dev, cfg);
+ ret = qmp_usb_vreg_init(qmp);
if (ret)
return ret;

@@ -2520,7 +2518,7 @@ static int qmp_usb_probe(struct platform_device *pdev)
*/
pm_runtime_forbid(dev);

- ret = qmp_usb_create(dev, child, serdes, cfg);
+ ret = qmp_usb_create(qmp, child);
if (ret)
goto err_node_put;

--
2.37.3