Commit 91195700 authored by Meng Li's avatar Meng Li Committed by David S. Miller
Browse files

net: stmmac: socfpga: add runtime suspend/resume callback for stratix10 platform 



According to upstream commit 5ec55823("net: stmmac:
add clocks management for gmac driver"), it improve clocks
management for stmmac driver. So, it is necessary to implement
the runtime callback in dwmac-socfpga driver because it doesn't
use the common stmmac_pltfr_pm_ops instance. Otherwise, clocks
are not disabled when system enters suspend status.

Fixes: 5ec55823 ("net: stmmac: add clocks management for gmac driver")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarMeng Li <Meng.Li@windriver.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b06cf78f

drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c

+22 −2
Original line number Diff line number Diff line
@@ -485,8 +485,28 @@ static int socfpga_dwmac_resume(struct device *dev) 
}

#endif /* CONFIG_PM_SLEEP */



static SIMPLE_DEV_PM_OPS(socfpga_dwmac_pm_ops, stmmac_suspend,

					       socfpga_dwmac_resume);

static int __maybe_unused socfpga_dwmac_runtime_suspend(struct device *dev)

{

	struct net_device *ndev = dev_get_drvdata(dev);

	struct stmmac_priv *priv = netdev_priv(ndev);



	stmmac_bus_clks_config(priv, false);



	return 0;

}



static int __maybe_unused socfpga_dwmac_runtime_resume(struct device *dev)

{

	struct net_device *ndev = dev_get_drvdata(dev);

	struct stmmac_priv *priv = netdev_priv(ndev);



	return stmmac_bus_clks_config(priv, true);

}



static const struct dev_pm_ops socfpga_dwmac_pm_ops = {

	SET_SYSTEM_SLEEP_PM_OPS(stmmac_suspend, socfpga_dwmac_resume)

	SET_RUNTIME_PM_OPS(socfpga_dwmac_runtime_suspend, socfpga_dwmac_runtime_resume, NULL)

};



static const struct socfpga_dwmac_ops socfpga_gen5_ops = {

	.set_phy_mode = socfpga_gen5_set_phy_mode,