From: Luiz Angelo Daros de Luca Date: Fri, 28 Jan 2022 06:05:00 +0000 (-0300) Subject: net: dsa: realtek: remove direct calls to realtek-smi X-Git-Tag: v6.1-rc5~1746^2~498^2~9 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cd645dc556e2f633cee88a3f1ca3e7209bcdaa7e;p=platform%2Fkernel%2Flinux-starfive.git net: dsa: realtek: remove direct calls to realtek-smi Remove the only two direct calls from subdrivers to realtek-smi. Now they are called from realtek_priv. Subdrivers can now be linked independently from realtek-smi. Signed-off-by: Luiz Angelo Daros de Luca Reviewed-by: Alvin Šipraga Reviewed-by: Linus Walleij Reviewed-by: Florian Fainelli Signed-off-by: David S. Miller --- diff --git a/drivers/net/dsa/realtek/realtek-smi-core.c b/drivers/net/dsa/realtek/realtek-smi-core.c index 7dfd86a..5fb86ae 100644 --- a/drivers/net/dsa/realtek/realtek-smi-core.c +++ b/drivers/net/dsa/realtek/realtek-smi-core.c @@ -292,12 +292,10 @@ static int realtek_smi_write_reg(struct realtek_priv *priv, * is when issueing soft reset. Since the device reset as soon as we write * that bit, no ACK will come back for natural reasons. */ -int realtek_smi_write_reg_noack(struct realtek_priv *priv, u32 addr, - u32 data) +static int realtek_smi_write_reg_noack(void *ctx, u32 reg, u32 val) { - return realtek_smi_write_reg(priv, addr, data, false); + return realtek_smi_write_reg(ctx, reg, val, false); } -EXPORT_SYMBOL_GPL(realtek_smi_write_reg_noack); /* Regmap accessors */ @@ -342,8 +340,9 @@ static int realtek_smi_mdio_write(struct mii_bus *bus, int addr, int regnum, return priv->ops->phy_write(priv, addr, regnum, val); } -int realtek_smi_setup_mdio(struct realtek_priv *priv) +static int realtek_smi_setup_mdio(struct dsa_switch *ds) { + struct realtek_priv *priv = ds->priv; struct device_node *mdio_np; int ret; @@ -363,10 +362,10 @@ int realtek_smi_setup_mdio(struct realtek_priv *priv) priv->slave_mii_bus->read = realtek_smi_mdio_read; priv->slave_mii_bus->write = realtek_smi_mdio_write; snprintf(priv->slave_mii_bus->id, MII_BUS_ID_SIZE, "SMI-%d", - priv->ds->index); + ds->index); priv->slave_mii_bus->dev.of_node = mdio_np; priv->slave_mii_bus->parent = priv->dev; - priv->ds->slave_mii_bus = priv->slave_mii_bus; + ds->slave_mii_bus = priv->slave_mii_bus; ret = devm_of_mdiobus_register(priv->dev, priv->slave_mii_bus, mdio_np); if (ret) { @@ -413,6 +412,9 @@ static int realtek_smi_probe(struct platform_device *pdev) priv->cmd_write = var->cmd_write; priv->ops = var->ops; + priv->setup_interface = realtek_smi_setup_mdio; + priv->write_reg_noack = realtek_smi_write_reg_noack; + dev_set_drvdata(dev, priv); spin_lock_init(&priv->lock); diff --git a/drivers/net/dsa/realtek/realtek.h b/drivers/net/dsa/realtek/realtek.h index 6e8d385..4152eba 100644 --- a/drivers/net/dsa/realtek/realtek.h +++ b/drivers/net/dsa/realtek/realtek.h @@ -66,6 +66,8 @@ struct realtek_priv { struct rtl8366_mib_counter *mib_counters; const struct realtek_ops *ops; + int (*setup_interface)(struct dsa_switch *ds); + int (*write_reg_noack)(void *ctx, u32 addr, u32 data); int vlan_enabled; int vlan4k_enabled; @@ -115,11 +117,6 @@ struct realtek_variant { size_t chip_data_sz; }; -/* SMI core calls */ -int realtek_smi_write_reg_noack(struct realtek_priv *priv, u32 addr, - u32 data); -int realtek_smi_setup_mdio(struct realtek_priv *priv); - /* RTL8366 library helpers */ int rtl8366_mc_is_used(struct realtek_priv *priv, int mc_index, int *used); int rtl8366_set_vlan(struct realtek_priv *priv, int vid, u32 member, diff --git a/drivers/net/dsa/realtek/rtl8365mb.c b/drivers/net/dsa/realtek/rtl8365mb.c index 6b8797b..a50cae2 100644 --- a/drivers/net/dsa/realtek/rtl8365mb.c +++ b/drivers/net/dsa/realtek/rtl8365mb.c @@ -1767,9 +1767,8 @@ static int rtl8365mb_reset_chip(struct realtek_priv *priv) { u32 val; - realtek_smi_write_reg_noack(priv, RTL8365MB_CHIP_RESET_REG, - FIELD_PREP(RTL8365MB_CHIP_RESET_HW_MASK, - 1)); + priv->write_reg_noack(priv, RTL8365MB_CHIP_RESET_REG, + FIELD_PREP(RTL8365MB_CHIP_RESET_HW_MASK, 1)); /* Realtek documentation says the chip needs 1 second to reset. Sleep * for 100 ms before accessing any registers to prevent ACK timeouts. @@ -1849,10 +1848,12 @@ static int rtl8365mb_setup(struct dsa_switch *ds) if (ret) goto out_teardown_irq; - ret = realtek_smi_setup_mdio(priv); - if (ret) { - dev_err(priv->dev, "could not set up MDIO bus\n"); - goto out_teardown_irq; + if (priv->setup_interface) { + ret = priv->setup_interface(ds); + if (ret) { + dev_err(priv->dev, "could not set up MDIO bus\n"); + goto out_teardown_irq; + } } /* Start statistics counter polling */ diff --git a/drivers/net/dsa/realtek/rtl8366rb.c b/drivers/net/dsa/realtek/rtl8366rb.c index fa222a6..b301408 100644 --- a/drivers/net/dsa/realtek/rtl8366rb.c +++ b/drivers/net/dsa/realtek/rtl8366rb.c @@ -1030,10 +1030,12 @@ static int rtl8366rb_setup(struct dsa_switch *ds) if (ret) dev_info(priv->dev, "no interrupt support\n"); - ret = realtek_smi_setup_mdio(priv); - if (ret) { - dev_info(priv->dev, "could not set up MDIO bus\n"); - return -ENODEV; + if (priv->setup_interface) { + ret = priv->setup_interface(ds); + if (ret) { + dev_err(priv->dev, "could not set up MDIO bus\n"); + return -ENODEV; + } } return 0; @@ -1707,8 +1709,8 @@ static int rtl8366rb_reset_chip(struct realtek_priv *priv) u32 val; int ret; - realtek_smi_write_reg_noack(priv, RTL8366RB_RESET_CTRL_REG, - RTL8366RB_CHIP_CTRL_RESET_HW); + priv->write_reg_noack(priv, RTL8366RB_RESET_CTRL_REG, + RTL8366RB_CHIP_CTRL_RESET_HW); do { usleep_range(20000, 25000); ret = regmap_read(priv->map, RTL8366RB_RESET_CTRL_REG, &val);