diff mbox series

[net-next,v3,2/2] net: phy: xilinx-gmii2rgmii: Adopt clock support

Message ID 20240528062008.1594657-3-vineeth.karumanchi@amd.com (mailing list archive)
State New, archived
Headers show
Series net: xilinx_gmii2rgmii: Add clock support | expand

Commit Message

Vineeth Karumanchi May 28, 2024, 6:20 a.m. UTC
Add clock support to the gmii_to_rgmii IP.
Make clk optional to keep DTB backward compatibility.

Signed-off-by: Vineeth Karumanchi <vineeth.karumanchi@amd.com>
---
 drivers/net/phy/xilinx_gmii2rgmii.c | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Wojciech Drewek May 28, 2024, 9:33 a.m. UTC | #1
On 28.05.2024 08:20, Vineeth Karumanchi wrote:
> Add clock support to the gmii_to_rgmii IP.
> Make clk optional to keep DTB backward compatibility.
> 
> Signed-off-by: Vineeth Karumanchi <vineeth.karumanchi@amd.com>
> ---

Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>

>  drivers/net/phy/xilinx_gmii2rgmii.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/net/phy/xilinx_gmii2rgmii.c b/drivers/net/phy/xilinx_gmii2rgmii.c
> index 7b1bc5fcef9b..7c51daecf18e 100644
> --- a/drivers/net/phy/xilinx_gmii2rgmii.c
> +++ b/drivers/net/phy/xilinx_gmii2rgmii.c
> @@ -15,6 +15,7 @@
>  #include <linux/mii.h>
>  #include <linux/mdio.h>
>  #include <linux/phy.h>
> +#include <linux/clk.h>
>  #include <linux/of_mdio.h>
>  
>  #define XILINX_GMII2RGMII_REG		0x10
> @@ -85,11 +86,17 @@ static int xgmiitorgmii_probe(struct mdio_device *mdiodev)
>  	struct device *dev = &mdiodev->dev;
>  	struct device_node *np = dev->of_node, *phy_node;
>  	struct gmii2rgmii *priv;
> +	struct clk *clkin;
>  
>  	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
>  	if (!priv)
>  		return -ENOMEM;
>  
> +	clkin = devm_clk_get_optional_enabled(dev, NULL);
> +	if (IS_ERR(clkin))
> +		return dev_err_probe(dev, PTR_ERR(clkin),
> +					"Failed to get and enable clock from Device Tree\n");
> +
>  	phy_node = of_parse_phandle(np, "phy-handle", 0);
>  	if (!phy_node) {
>  		dev_err(dev, "Couldn't parse phy-handle\n");
diff mbox series

Patch

diff --git a/drivers/net/phy/xilinx_gmii2rgmii.c b/drivers/net/phy/xilinx_gmii2rgmii.c
index 7b1bc5fcef9b..7c51daecf18e 100644
--- a/drivers/net/phy/xilinx_gmii2rgmii.c
+++ b/drivers/net/phy/xilinx_gmii2rgmii.c
@@ -15,6 +15,7 @@ 
 #include <linux/mii.h>
 #include <linux/mdio.h>
 #include <linux/phy.h>
+#include <linux/clk.h>
 #include <linux/of_mdio.h>
 
 #define XILINX_GMII2RGMII_REG		0x10
@@ -85,11 +86,17 @@  static int xgmiitorgmii_probe(struct mdio_device *mdiodev)
 	struct device *dev = &mdiodev->dev;
 	struct device_node *np = dev->of_node, *phy_node;
 	struct gmii2rgmii *priv;
+	struct clk *clkin;
 
 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
+	clkin = devm_clk_get_optional_enabled(dev, NULL);
+	if (IS_ERR(clkin))
+		return dev_err_probe(dev, PTR_ERR(clkin),
+					"Failed to get and enable clock from Device Tree\n");
+
 	phy_node = of_parse_phandle(np, "phy-handle", 0);
 	if (!phy_node) {
 		dev_err(dev, "Couldn't parse phy-handle\n");