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Commit 825a0d5f authored by Suraj Jaiswal's avatar Suraj Jaiswal
Browse files

data-kernel: EMAC: Etherent wol optimization. 



Enable wake on lan on interface open not during
ethernet driver probe to reduce driver initialization
time.

Change-Id: Icee83f29e1276df2ce5287ed790f30368d4d09bc
Signed-off-by: default avatarSunil Paidimarri <hisunil@codeaurora.org>
parent bdc07671

drivers/emac-dwc-eqos/DWC_ETH_QOS_mdio.c

+42 −40
Original line number Diff line number Diff line
@@ -445,6 +445,43 @@ void dump_phy_registers(struct DWC_ETH_QOS_prv_data *pdata) 
	pr_alert("\n****************************************************\n");

}



static void DWC_ETH_QOS_request_phy_wol(struct DWC_ETH_QOS_prv_data *pdata)

{

	pdata->phy_wol_supported = 0;

	pdata->phy_wol_wolopts = 0;



	/* Check if phydev is valid*/

	/* Check and enable Wake-on-LAN functionality in PHY*/

	if (pdata->phydev) {

		struct ethtool_wolinfo wol = {.cmd = ETHTOOL_GWOL};

		wol.supported = 0;

		wol.wolopts= 0;



		phy_ethtool_get_wol(pdata->phydev, &wol);

		pdata->phy_wol_supported = wol.supported;



		/* Try to enable supported Wake-on-LAN features in PHY*/

		if (wol.supported) {



			device_set_wakeup_capable(&pdata->pdev->dev, 1);



			wol.cmd = ETHTOOL_SWOL;

			wol.wolopts = wol.supported;



			if (!phy_ethtool_set_wol(pdata->phydev, &wol)){

				pdata->phy_wol_wolopts = wol.wolopts;



				enable_irq_wake(pdata->phy_irq);



				device_set_wakeup_enable(&pdata->pdev->dev, 1);

				EMACDBG("Enabled WoL[0x%x] in %s\n", wol.wolopts,

						 pdata->phydev->drv->name);

				pdata->wol_enabled = 1;

			}

		}

	}

}



/*!

 * \brief API to enable or disable PHY hibernation mode

 *
@@ -1007,6 +1044,9 @@ void DWC_ETH_QOS_adjust_link(struct net_device *dev) 
		}

#endif



		if (pdata->phy_intr_en && !pdata->wol_enabled)

			DWC_ETH_QOS_request_phy_wol(pdata);



		if (pdata->ipa_enabled && netif_running(dev)) {

			if (phydev->link == 1)

				 DWC_ETH_QOS_ipa_offload_event_handler(pdata, EV_PHY_LINK_UP);
@@ -1030,42 +1070,6 @@ void DWC_ETH_QOS_adjust_link(struct net_device *dev) 
	DBGPR_MDIO("<--DWC_ETH_QOS_adjust_link\n");

}



static void DWC_ETH_QOS_request_phy_wol(struct DWC_ETH_QOS_prv_data *pdata)

{

	pdata->phy_wol_supported = 0;

	pdata->phy_wol_wolopts = 0;



	/* Check if phydev is valid*/

	/* Check and enable Wake-on-LAN functionality in PHY*/

	if (pdata->phydev) {

		struct ethtool_wolinfo wol = {.cmd = ETHTOOL_GWOL};

		wol.supported = 0;

		wol.wolopts= 0;



		phy_ethtool_get_wol(pdata->phydev, &wol);

		pdata->phy_wol_supported = wol.supported;



		/* Try to enable supported Wake-on-LAN features in PHY*/

		if (wol.supported) {



			device_set_wakeup_capable(&pdata->pdev->dev, 1);



			wol.cmd = ETHTOOL_SWOL;

			wol.wolopts = wol.supported;



			if (!phy_ethtool_set_wol(pdata->phydev, &wol)){

				pdata->phy_wol_wolopts = wol.wolopts;



				enable_irq_wake(pdata->phy_irq);



				device_set_wakeup_enable(&pdata->pdev->dev, 1);

				EMACDBG("Enabled WoL[0x%x] in %s\n", wol.wolopts,

						 pdata->phydev->drv->name);

			}

		}

	}

}



bool DWC_ETH_QOS_is_phy_link_up(struct DWC_ETH_QOS_prv_data *pdata)

{

	/* PHY driver initializes phydev->link=1.
@@ -1194,10 +1198,8 @@ static int DWC_ETH_QOS_init_phy(struct net_device *dev) 
		phydev->irq = PHY_IGNORE_INTERRUPT;

		phydev->interrupts =  PHY_INTERRUPT_ENABLED;



		if (phydev->drv->config_intr &&

			!phydev->drv->config_intr(phydev)){

			DWC_ETH_QOS_request_phy_wol(pdata);

		} else {

		if (!(phydev->drv->config_intr &&

			!phydev->drv->config_intr(phydev))){

			EMACERR("Failed to configure PHY interrupts");

			BUG();

		}

drivers/emac-dwc-eqos/DWC_ETH_QOS_yheader.h

+1 −0
Original line number Diff line number Diff line
@@ -1878,6 +1878,7 @@ struct DWC_ETH_QOS_prv_data { 
	struct class* avb_class_b_class;

	struct delayed_work ipv6_addr_assign_wq;

	bool print_kpi;

	bool wol_enabled;

};



struct ip_params {