Re: [net-next PATCH v5 15/15] net: dpaa2-mac: Add ACPI support for DPAA2 MAC driver

From: Andy Shevchenko
Date: Mon Feb 15 2021 - 10:19:23 EST


On Mon, Feb 15, 2021 at 2:33 PM Calvin Johnson
<calvin.johnson@xxxxxxxxxxx> wrote:
> On Mon, Feb 08, 2021 at 04:28:31PM +0000, Russell King - ARM Linux admin wrote:

...

> I think of_phy_is_fixed_link() needs to be fixed. I'll add below fix.
>
> --- a/drivers/net/mdio/of_mdio.c
> +++ b/drivers/net/mdio/of_mdio.c
> @@ -439,6 +439,9 @@ bool of_phy_is_fixed_link(struct device_node *np)
> int len, err;
> const char *managed;
>
> + if (!np)
> + return false;

AFAICS this doesn't add anything: all of the of_* APIs should handle
OF nodes being NULL below.

> /* New binding */
> dn = of_get_child_by_name(np, "fixed-link");
> if (dn) {

--
With Best Regards,
Andy Shevchenko