[PATCH net-next 2/2] net: mdio: add amlogic gxl mdio mux support
Simon Horman
simon.horman at corigine.com
Mon Jan 16 05:51:20 PST 2023
On Mon, Jan 16, 2023 at 02:27:57PM +0100, Jerome Brunet wrote:
>
> 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.
No problem, it happens.
> > ...
> >
> >> 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.
I have no strong opinion on this :)
> >> + 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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