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Date: Wed, 22 Jul 2020 02:29:11 +0300
From: Grygorii Strashko <grygorii.strashko@...com>
To: Kishon Vijay Abraham I <kishon@...com>
CC: Sekhar Nori <nsekhar@...com>, <linux-kernel@...r.kernel.org>,
Grygorii Strashko <grygorii.strashko@...com>
Subject: [PATCH 1/3] phy: ti: gmii-sel: move phy init in separate function
Move phy initialization in separate function to improve code readability
and simplify future changes.
Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>
---
drivers/phy/ti/phy-gmii-sel.c | 111 ++++++++++++++++++++--------------
1 file changed, 64 insertions(+), 47 deletions(-)
diff --git a/drivers/phy/ti/phy-gmii-sel.c b/drivers/phy/ti/phy-gmii-sel.c
index 7edd5c3bc536..d4b02ad023b2 100644
--- a/drivers/phy/ti/phy-gmii-sel.c
+++ b/drivers/phy/ti/phy-gmii-sel.c
@@ -22,7 +22,7 @@
#define AM33XX_GMII_SEL_MODE_RGMII 2
enum {
- PHY_GMII_SEL_PORT_MODE,
+ PHY_GMII_SEL_PORT_MODE = 0,
PHY_GMII_SEL_RGMII_ID_MODE,
PHY_GMII_SEL_RMII_IO_CLK_EN,
PHY_GMII_SEL_LAST,
@@ -242,6 +242,66 @@ static struct phy *phy_gmii_sel_of_xlate(struct device *dev,
return priv->if_phys[phy_id].if_phy;
}
+static int phy_gmii_init_phy(struct phy_gmii_sel_priv *priv, int port,
+ struct phy_gmii_sel_phy_priv *if_phy)
+{
+ const struct phy_gmii_sel_soc_data *soc_data = priv->soc_data;
+ struct device *dev = priv->dev;
+ const struct reg_field *fields;
+ struct regmap_field *regfield;
+ struct reg_field field;
+ int ret;
+
+ if_phy->id = port;
+ if_phy->priv = priv;
+
+ fields = soc_data->regfields[port - 1];
+ field = *fields++;
+ dev_dbg(dev, "%s field %x %d %d\n", __func__,
+ field.reg, field.msb, field.lsb);
+
+ regfield = devm_regmap_field_alloc(dev, priv->regmap, field);
+ if (IS_ERR(regfield))
+ return PTR_ERR(regfield);
+ if_phy->fields[PHY_GMII_SEL_PORT_MODE] = regfield;
+
+ field = *fields++;
+ if (field.reg != (~0)) {
+ regfield = devm_regmap_field_alloc(dev,
+ priv->regmap,
+ field);
+ if (IS_ERR(regfield))
+ return PTR_ERR(regfield);
+ if_phy->fields[PHY_GMII_SEL_RGMII_ID_MODE] = regfield;
+ dev_dbg(dev, "%s field %x %d %d\n", __func__,
+ field.reg, field.msb, field.lsb);
+ }
+
+ field = *fields;
+ if (field.reg != (~0)) {
+ regfield = devm_regmap_field_alloc(dev,
+ priv->regmap,
+ field);
+ if (IS_ERR(regfield))
+ return PTR_ERR(regfield);
+ if_phy->fields[PHY_GMII_SEL_RMII_IO_CLK_EN] = regfield;
+ dev_dbg(dev, "%s field %x %d %d\n", __func__,
+ field.reg, field.msb, field.lsb);
+ }
+
+ if_phy->if_phy = devm_phy_create(dev,
+ priv->dev->of_node,
+ &phy_gmii_sel_ops);
+ if (IS_ERR(if_phy->if_phy)) {
+ ret = PTR_ERR(if_phy->if_phy);
+ dev_err(dev, "Failed to create phy%d %d\n", port, ret);
+ return ret;
+ }
+ phy_set_drvdata(if_phy->if_phy, if_phy);
+
+ return 0;
+}
+
static int phy_gmii_sel_init_ports(struct phy_gmii_sel_priv *priv)
{
const struct phy_gmii_sel_soc_data *soc_data = priv->soc_data;
@@ -249,7 +309,7 @@ static int phy_gmii_sel_init_ports(struct phy_gmii_sel_priv *priv)
struct phy_gmii_sel_phy_priv *if_phys;
int i, num_ports, ret;
- num_ports = priv->soc_data->num_ports;
+ num_ports = soc_data->num_ports;
if_phys = devm_kcalloc(priv->dev, num_ports,
sizeof(*if_phys), GFP_KERNEL);
@@ -258,52 +318,9 @@ static int phy_gmii_sel_init_ports(struct phy_gmii_sel_priv *priv)
dev_dbg(dev, "%s %d\n", __func__, num_ports);
for (i = 0; i < num_ports; i++) {
- const struct reg_field *field;
- struct regmap_field *regfield;
-
- if_phys[i].id = i + 1;
- if_phys[i].priv = priv;
-
- field = &soc_data->regfields[i][PHY_GMII_SEL_PORT_MODE];
- dev_dbg(dev, "%s field %x %d %d\n", __func__,
- field->reg, field->msb, field->lsb);
-
- regfield = devm_regmap_field_alloc(dev, priv->regmap, *field);
- if (IS_ERR(regfield))
- return PTR_ERR(regfield);
- if_phys[i].fields[PHY_GMII_SEL_PORT_MODE] = regfield;
-
- field = &soc_data->regfields[i][PHY_GMII_SEL_RGMII_ID_MODE];
- if (field->reg != (~0)) {
- regfield = devm_regmap_field_alloc(dev,
- priv->regmap,
- *field);
- if (IS_ERR(regfield))
- return PTR_ERR(regfield);
- if_phys[i].fields[PHY_GMII_SEL_RGMII_ID_MODE] =
- regfield;
- }
-
- field = &soc_data->regfields[i][PHY_GMII_SEL_RMII_IO_CLK_EN];
- if (field->reg != (~0)) {
- regfield = devm_regmap_field_alloc(dev,
- priv->regmap,
- *field);
- if (IS_ERR(regfield))
- return PTR_ERR(regfield);
- if_phys[i].fields[PHY_GMII_SEL_RMII_IO_CLK_EN] =
- regfield;
- }
-
- if_phys[i].if_phy = devm_phy_create(dev,
- priv->dev->of_node,
- &phy_gmii_sel_ops);
- if (IS_ERR(if_phys[i].if_phy)) {
- ret = PTR_ERR(if_phys[i].if_phy);
- dev_err(dev, "Failed to create phy%d %d\n", i, ret);
+ ret = phy_gmii_init_phy(priv, i + 1, &if_phys[i]);
+ if (ret)
return ret;
- }
- phy_set_drvdata(if_phys[i].if_phy, &if_phys[i]);
}
priv->if_phys = if_phys;
--
2.17.1
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