[PATCH 09/10] phy: qcom-qmp-ufs: restructure PHY creation

Johan Hovold
2022-10-24T09:01:48Z

In preparation for supporting devicetree bindings which do not use a
child node, move the PHY creation to probe() proper and parse the serdes
resource in what is now the legacy devicetree helper.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---
drivers/phy/qualcomm/phy-qcom-qmp-ufs.c | 34 ++++++++++++-------------
1 file changed, 16 insertions(+), 18 deletions(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
index fa703e856eb7..bf5c1a6b9ca4 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
@@ -983,12 +983,15 @@ static int qmp_ufs_clk_init(struct qmp_ufs *qmp)
return devm_clk_bulk_get(dev, num, qmp->clks);
}

-static int qmp_ufs_create(struct qmp_ufs *qmp, struct device_node *np)
+static int qmp_ufs_parse_dt_legacy(struct qmp_ufs *qmp, struct device_node *np)
{
+ struct platform_device *pdev = to_platform_device(qmp->dev);
const struct qmp_phy_cfg *cfg = qmp->cfg;
struct device *dev = qmp->dev;
- struct phy *generic_phy;
- int ret;
+
+ qmp->serdes = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(qmp->serdes))
+ return PTR_ERR(qmp->serdes);

/*
* Get memory resources for the PHY:
@@ -1025,16 +1028,6 @@ static int qmp_ufs_create(struct qmp_ufs *qmp, struct device_node *np)
if (IS_ERR(qmp->pcs_misc))
dev_vdbg(dev, "PHY pcs_misc-reg not used\n");

- generic_phy = devm_phy_create(dev, np, &qcom_qmp_ufs_phy_ops);
- if (IS_ERR(generic_phy)) {
- ret = PTR_ERR(generic_phy);
- dev_err(dev, "failed to create PHY: %d\n", ret);
- return ret;
- }
-
- qmp->phy = generic_phy;
- phy_set_drvdata(generic_phy, qmp);
-
return 0;
}

@@ -1056,10 +1049,6 @@ static int qmp_ufs_probe(struct platform_device *pdev)
if (!qmp->cfg)
return -EINVAL;

- qmp->serdes = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(qmp->serdes))
- return PTR_ERR(qmp->serdes);
-
ret = qmp_ufs_clk_init(qmp);
if (ret)
return ret;
@@ -1072,10 +1061,19 @@ static int qmp_ufs_probe(struct platform_device *pdev)
if (!child)
return -EINVAL;

- ret = qmp_ufs_create(qmp, child);
+ ret = qmp_ufs_parse_dt_legacy(qmp, child);
if (ret)
goto err_node_put;

+ qmp->phy = devm_phy_create(dev, child, &qcom_qmp_ufs_phy_ops);
+ if (IS_ERR(qmp->phy)) {
+ ret = PTR_ERR(qmp->phy);
+ dev_err(dev, "failed to create PHY: %d\n", ret);
+ goto err_node_put;
+ }
+
+ phy_set_drvdata(qmp->phy, qmp);
+
of_node_put(child);

phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
--
2.37.3