[PATCH v3 4/4] net: nb8800: Add support for suspend/resume
Måns Rullgård
mans at mansr.com
Tue Nov 14 05:02:32 PST 2017
Marc Gonzalez <marc_gonzalez at sigmadesigns.com> writes:
> Signed-off-by: Marc Gonzalez <marc_gonzalez at sigmadesigns.com>
Missing patch description. Don't bother though. I won't approve of
this implementation.
Suspend support has to depend on the chip since the EMAC core doesn't
have anything of the kind.
> ---
> drivers/net/ethernet/aurora/nb8800.c | 22 ++++++++++++++++++++++
> 1 file changed, 22 insertions(+)
>
> diff --git a/drivers/net/ethernet/aurora/nb8800.c b/drivers/net/ethernet/aurora/nb8800.c
> index b71d8fb80610..9af2423aed03 100644
> --- a/drivers/net/ethernet/aurora/nb8800.c
> +++ b/drivers/net/ethernet/aurora/nb8800.c
> @@ -1437,6 +1437,26 @@ static int nb8800_remove(struct platform_device *pdev)
> return 0;
> }
>
> +static int nb8800_suspend(struct platform_device *pdev, pm_message_t state)
> +{
> + struct net_device *dev = platform_get_drvdata(pdev);
> +
> + if (netif_running(dev))
> + return nb8800_stop(dev);
> +
> + return 0;
> +}
> +
> +static int nb8800_resume(struct platform_device *pdev)
> +{
> + struct net_device *dev = platform_get_drvdata(pdev);
> +
> + if (netif_running(dev))
> + return nb8800_open(dev);
> +
> + return 0;
> +}
> +
> static struct platform_driver nb8800_driver = {
> .driver = {
> .name = "nb8800",
> @@ -1444,6 +1464,8 @@ static struct platform_driver nb8800_driver = {
> },
> .probe = nb8800_probe,
> .remove = nb8800_remove,
> + .suspend = nb8800_suspend,
> + .resume = nb8800_resume,
> };
>
> module_platform_driver(nb8800_driver);
> --
> 2.15.0
>
--
Måns Rullgård
More information about the linux-arm-kernel
mailing list