| Message ID | 20210103112542.35149-6-samuel@sholland.org (mailing list archive) |
|---|---|
| State | Not Applicable |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | dwmac-sun8i cleanup and shutdown hook | expand |
| Context | Check | Description |
|---|---|---|
| netdev/apply | fail | Patch does not apply to net-next |
| netdev/tree_selection | success | Clearly marked for net-next |
On Sun, Jan 3, 2021 at 7:25 PM Samuel Holland <samuel@sholland.org> wrote: > > The Ethernet MAC and PHY are usually major consumers of power on boards > which may not be able to fully power off (that have no PMIC). Powering > down the MAC and internal PHY saves power while these boards are "off". > > Signed-off-by: Samuel Holland <samuel@sholland.org> Reviewed-by: Chen-Yu Tsai <wens@csie.org>
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c index 4638d4203af5..926e8d5e8963 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c @@ -1282,6 +1282,15 @@ static int sun8i_dwmac_remove(struct platform_device *pdev) return 0; } +static void sun8i_dwmac_shutdown(struct platform_device *pdev) +{ + struct net_device *ndev = platform_get_drvdata(pdev); + struct stmmac_priv *priv = netdev_priv(ndev); + struct sunxi_priv_data *gmac = priv->plat->bsp_priv; + + sun8i_dwmac_exit(pdev, gmac); +} + static const struct of_device_id sun8i_dwmac_match[] = { { .compatible = "allwinner,sun8i-h3-emac", .data = &emac_variant_h3 }, @@ -1302,6 +1311,7 @@ MODULE_DEVICE_TABLE(of, sun8i_dwmac_match); static struct platform_driver sun8i_dwmac_driver = { .probe = sun8i_dwmac_probe, .remove = sun8i_dwmac_remove, + .shutdown = sun8i_dwmac_shutdown, .driver = { .name = "dwmac-sun8i", .pm = &stmmac_pltfr_pm_ops,
The Ethernet MAC and PHY are usually major consumers of power on boards which may not be able to fully power off (that have no PMIC). Powering down the MAC and internal PHY saves power while these boards are "off". Signed-off-by: Samuel Holland <samuel@sholland.org> --- drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c | 10 ++++++++++ 1 file changed, 10 insertions(+)