[PATCH net-next 2/2] net: mdio: add amlogic gxl mdio mux support
Jerome Brunet
jbrunet at baylibre.com
Mon Jan 16 05:27:57 PST 2023
On Mon 16 Jan 2023 at 13:11, Simon Horman <simon.horman at corigine.com> wrote:
> On Mon, Jan 16, 2023 at 10:16:36AM +0100, Jerome Brunet wrote:
>> Add support for the mdio mux and internal phy glue of the GXL SoC
>> family
>>
>> Signed-off-by: Jerome Brunet <jbrunet at baylibre.com>
>> ---
>> drivers/net/mdio/Kconfig | 11 ++
>> drivers/net/mdio/Makefile | 1 +
>> drivers/net/mdio/mdio-mux-meson-gxl.c | 160 ++++++++++++++++++++++++++
>> 3 files changed, 172 insertions(+)
>> create mode 100644 drivers/net/mdio/mdio-mux-meson-gxl.c
>
> Hi Jerome,
>
> please run this patch through checkpatch.
Shame ... I really thought I did, but I forgot indeed.
I am really sorry for this. I'll fix everything.
>
> ...
>
>> diff --git a/drivers/net/mdio/mdio-mux-meson-gxl.c b/drivers/net/mdio/mdio-mux-meson-gxl.c
>> new file mode 100644
>> index 000000000000..205095d845ea
>> --- /dev/null
>> +++ b/drivers/net/mdio/mdio-mux-meson-gxl.c
>
> ...
>
>> +static int gxl_enable_internal_mdio(struct gxl_mdio_mux *priv)
>> +{
>
> nit: I think void would be a more appropriate return type for this
> function. Likewise gxl_enable_external_mdio()
>
> ...
>
>> +static int gxl_mdio_mux_probe(struct platform_device *pdev){
>
> nit: '{' should be at the beginning of a new line
>
>> + struct device *dev = &pdev->dev;
>> + struct clk *rclk;
>> + struct gxl_mdio_mux *priv;
>
> nit: reverse xmas tree for local variable declarations.
>
>> + int ret;
>> +
>> + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
>> + if (!priv)
>> + return -ENOMEM;
>
> nit: may be it is nicer to use dev_err_probe() here for consistency.
That was on purpose. I only use the `dev_err_probe()` when the probe may
defer, which I don't expect here.
I don't mind changing if you prefer it this way.
>
>> + platform_set_drvdata(pdev, priv);
>> +
>> + priv->regs = devm_platform_ioremap_resource(pdev, 0);
>> + if (IS_ERR(priv->regs))
>> + return PTR_ERR(priv->regs);
>
> And here.
>
> ...
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