Re: [PATCH net-next v6 9/9] net: dsa: microchip: Ensure Stable PME Pin State for Wake-on-LAN

From: Vladimir Oltean
Date: Thu Oct 19 2023 - 13:24:15 EST


On Thu, Oct 19, 2023 at 02:28:50PM +0200, Oleksij Rempel wrote:
> Ensures a stable PME (Power Management Event) pin state by disabling PME
> on system start and enabling it on shutdown only if WoL (Wake-on-LAN) is
> configured. This is needed to avoid issues with some PMICs (Power
> Management ICs).
>
> Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
> ---
> index fa8d0318b437..9e6f1e4b57b7 100644
> --- a/drivers/net/dsa/microchip/ksz9477.h
> +++ b/drivers/net/dsa/microchip/ksz9477.h
> @@ -62,6 +62,7 @@ void ksz9477_get_wol(struct ksz_device *dev, int port,
> struct ethtool_wolinfo *wol);
> int ksz9477_set_wol(struct ksz_device *dev, int port,
> struct ethtool_wolinfo *wol);
> +void ksz9477_wol_pre_shutdown(struct ksz_device *dev, bool *wol_is_on);

nitpick: Please synchronize the prototype definition with the
declaration (the name of the "wol_is_on" argument differs).

>
> int ksz9477_port_acl_init(struct ksz_device *dev, int port);
> void ksz9477_port_acl_free(struct ksz_device *dev, int port);

Otherwise:

Reviewed-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>