[PATCH net-next v3 4/8] net: txgbe: Add SFP module identify

Jiawen Wu
2023-04-19T08:31:32Z

Register SFP platform device to get modules information.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
---
drivers/net/ethernet/wangxun/Kconfig | 1 +
.../net/ethernet/wangxun/txgbe/txgbe_phy.c | 27 +++++++++++++++++++
.../net/ethernet/wangxun/txgbe/txgbe_type.h | 1 +
3 files changed, 29 insertions(+)

diff --git a/drivers/net/ethernet/wangxun/Kconfig b/drivers/net/ethernet/wangxun/Kconfig
index 8acd6a0d84dc..d2dbaf19e53d 100644
--- a/drivers/net/ethernet/wangxun/Kconfig
+++ b/drivers/net/ethernet/wangxun/Kconfig
@@ -42,6 +42,7 @@ config TXGBE
depends on PCI
select I2C_DESIGNWARE_PLATFORM
select LIBWX
+ select SFP
help
This driver supports Wangxun(R) 10GbE PCI Express family of
adapters.
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
index 8bb7f1d9acc7..faa0479f1df3 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
@@ -105,6 +105,25 @@ static int txgbe_i2c_register(struct txgbe *txgbe)
return 0;
}

+static int txgbe_sfp_register(struct txgbe *txgbe)
+{
+ struct pci_dev *pdev = txgbe->wx->pdev;
+ struct platform_device_info info = {};
+ struct platform_device *sfp_dev;
+
+ info.parent = &pdev->dev;
+ info.fwnode = software_node_fwnode(txgbe->nodes.group[SWNODE_SFP]);
+ info.name = "sfp";
+ info.id = (pdev->bus->number << 8) | pdev->devfn;
+ sfp_dev = platform_device_register_full(&info);
+ if (IS_ERR(sfp_dev))
+ return PTR_ERR(sfp_dev);
+
+ txgbe->sfp_dev = sfp_dev;
+
+ return 0;
+}
+
int txgbe_init_phy(struct txgbe *txgbe)
{
int ret;
@@ -121,6 +140,12 @@ int txgbe_init_phy(struct txgbe *txgbe)
goto err;
}

+ ret = txgbe_sfp_register(txgbe);
+ if (ret) {
+ wx_err(txgbe->wx, "failed to register sfp\n");
+ goto err;
+ }
+
return 0;

err:
@@ -131,6 +156,8 @@ int txgbe_init_phy(struct txgbe *txgbe)

void txgbe_remove_phy(struct txgbe *txgbe)
{
+ if (txgbe->sfp_dev)
+ platform_device_unregister(txgbe->sfp_dev);
if (txgbe->i2c_dev)
platform_device_unregister(txgbe->i2c_dev);

diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h b/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
index 771aefbc7c80..aa94c4fce311 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
@@ -149,6 +149,7 @@ struct txgbe_nodes {
struct txgbe {
struct wx *wx;
struct txgbe_nodes nodes;
+ struct platform_device *sfp_dev;
struct platform_device *i2c_dev;
};

--
2.27.0