atl1c: Do not use legacy PCI power management

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / net / atl1c / atl1c_main.c

diff --git a/drivers/net/atl1c/atl1c_main.c b/drivers/net/atl1c/atl1c_main.c
index c7b8ef5..bdf11d8 100644 (file)
--- a/drivers/net/atl1c/atl1c_main.c
+++ b/drivers/net/atl1c/atl1c_main.c
@@ -66,6 +66,8 @@ static void atl1c_set_aspm(struct atl1c_hw *hw, bool linkup);
 static void atl1c_setup_mac_ctrl(struct atl1c_adapter *adapter);
 static void atl1c_clean_rx_irq(struct atl1c_adapter *adapter, u8 que,
                   int *work_done, int work_to_do);
+static int atl1c_up(struct atl1c_adapter *adapter);
+static void atl1c_down(struct atl1c_adapter *adapter);
 
 static const u16 atl1c_pay_load_size[] = {
        128, 256, 512, 1024, 2048, 4096,
@@ -700,6 +702,7 @@ static int __devinit atl1c_sw_init(struct atl1c_adapter *adapter)
 
 
        adapter->wol = 0;
+       device_set_wakeup_enable(&pdev->dev, false);
        adapter->link_speed = SPEED_0;
        adapter->link_duplex = FULL_DUPLEX;
        adapter->num_rx_queues = AT_DEF_RECEIVE_QUEUE;
@@ -1562,7 +1565,7 @@ static struct net_device_stats *atl1c_get_stats(struct net_device *netdev)
 {
        struct atl1c_adapter *adapter = netdev_priv(netdev);
        struct atl1c_hw_stats  *hw_stats = &adapter->hw_stats;
-       struct net_device_stats *net_stats = &adapter->net_stats;
+       struct net_device_stats *net_stats = &netdev->stats;
 
        atl1c_update_hw_stats(adapter);
        net_stats->rx_packets = hw_stats->rx_ok;
@@ -1590,7 +1593,7 @@ static struct net_device_stats *atl1c_get_stats(struct net_device *netdev)
        net_stats->tx_aborted_errors = hw_stats->tx_abort_col;
        net_stats->tx_window_errors  = hw_stats->tx_late_col;
 
-       return &adapter->net_stats;
+       return net_stats;
 }
 
 static inline void atl1c_clear_phy_int(struct atl1c_adapter *adapter)
@@ -1700,7 +1703,7 @@ static irqreturn_t atl1c_intr(int irq, void *data)
 
                /* link event */
                if (status & (ISR_GPHY | ISR_MANUAL)) {
-                       adapter->net_stats.tx_carrier_errors++;
+                       netdev->stats.tx_carrier_errors++;
                        atl1c_link_chg_event(adapter);
                        break;
                }
@@ -1719,7 +1722,7 @@ static inline void atl1c_rx_checksum(struct atl1c_adapter *adapter,
         * cannot figure out if the packet is fragmented or not,
         * so we tell the KERNEL CHECKSUM_NONE
         */
-       skb->ip_summed = CHECKSUM_NONE;
+       skb_checksum_none_assert(skb);
 }
 
 static int atl1c_alloc_rx_buffer(struct atl1c_adapter *adapter, const int ringid)
@@ -2243,7 +2246,7 @@ static netdev_tx_t atl1c_xmit_frame(struct sk_buff *skb,
                return NETDEV_TX_OK;
        }
 
-       if (unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) {
+       if (unlikely(vlan_tx_tag_present(skb))) {
                u16 vlan = vlan_tx_tag_get(skb);
                __le16 tag;
 
@@ -2309,7 +2312,7 @@ static int atl1c_request_irq(struct atl1c_adapter *adapter)
        return err;
 }
 
-int atl1c_up(struct atl1c_adapter *adapter)
+static int atl1c_up(struct atl1c_adapter *adapter)
 {
        struct net_device *netdev = adapter->netdev;
        int num;
@@ -2351,7 +2354,7 @@ err_alloc_rx:
        return err;
 }
 
-void atl1c_down(struct atl1c_adapter *adapter)
+static void atl1c_down(struct atl1c_adapter *adapter)
 {
        struct net_device *netdev = adapter->netdev;
 
@@ -2442,8 +2445,9 @@ static int atl1c_close(struct net_device *netdev)
        return 0;
 }
 
-static int atl1c_suspend(struct pci_dev *pdev, pm_message_t state)
+static int atl1c_suspend(struct device *dev)
 {
+       struct pci_dev *pdev = to_pci_dev(dev);
        struct net_device *netdev = pci_get_drvdata(pdev);
        struct atl1c_adapter *adapter = netdev_priv(netdev);
        struct atl1c_hw *hw = &adapter->hw;
@@ -2452,7 +2456,6 @@ static int atl1c_suspend(struct pci_dev *pdev, pm_message_t state)
        u32 wol_ctrl_data = 0;
        u16 mii_intr_status_data = 0;
        u32 wufc = adapter->wol;
-       int retval = 0;
 
        atl1c_disable_l0s_l1(hw);
        if (netif_running(netdev)) {
@@ -2460,9 +2463,6 @@ static int atl1c_suspend(struct pci_dev *pdev, pm_message_t state)
                atl1c_down(adapter);
        }
        netif_device_detach(netdev);
-       retval = pci_save_state(pdev);
-       if (retval)
-               return retval;
 
        if (wufc)
                if (atl1c_phy_power_saving(hw) != 0)
@@ -2523,12 +2523,8 @@ static int atl1c_suspend(struct pci_dev *pdev, pm_message_t state)
                AT_WRITE_REG(hw, REG_WOL_CTRL, wol_ctrl_data);
                AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data);
 
-               /* pcie patch */
-               device_set_wakeup_enable(&pdev->dev, 1);
-
                AT_WRITE_REG(hw, REG_GPHY_CTRL, GPHY_CTRL_DEFAULT |
                        GPHY_CTRL_EXT_RESET);
-               pci_prepare_to_sleep(pdev);
        } else {
                AT_WRITE_REG(hw, REG_GPHY_CTRL, GPHY_CTRL_POWER_SAVING);
                master_ctrl_data |= MASTER_CTRL_CLK_SEL_DIS;
@@ -2538,25 +2534,17 @@ static int atl1c_suspend(struct pci_dev *pdev, pm_message_t state)
                AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data);
                AT_WRITE_REG(hw, REG_WOL_CTRL, 0);
                hw->phy_configured = false; /* re-init PHY when resume */
-               pci_enable_wake(pdev, pci_choose_state(pdev, state), 0);
        }
 
-       pci_disable_device(pdev);
-       pci_set_power_state(pdev, pci_choose_state(pdev, state));
-
        return 0;
 }
 
-static int atl1c_resume(struct pci_dev *pdev)
+static int atl1c_resume(struct device *dev)
 {
+       struct pci_dev *pdev = to_pci_dev(dev);
        struct net_device *netdev = pci_get_drvdata(pdev);
        struct atl1c_adapter *adapter = netdev_priv(netdev);
 
-       pci_set_power_state(pdev, PCI_D0);
-       pci_restore_state(pdev);
-       pci_enable_wake(pdev, PCI_D3hot, 0);
-       pci_enable_wake(pdev, PCI_D3cold, 0);
-
        AT_WRITE_REG(&adapter->hw, REG_WOL_CTRL, 0);
        atl1c_reset_pcie(&adapter->hw, ATL1C_PCIE_L0S_L1_DISABLE |
                        ATL1C_PCIE_PHY_RESET);
@@ -2580,7 +2568,12 @@ static int atl1c_resume(struct pci_dev *pdev)
 
 static void atl1c_shutdown(struct pci_dev *pdev)
 {
-       atl1c_suspend(pdev, PMSG_SUSPEND);
+       struct net_device *netdev = pci_get_drvdata(pdev);
+       struct atl1c_adapter *adapter = netdev_priv(netdev);
+
+       atl1c_suspend(&pdev->dev);
+       pci_wake_from_d3(pdev, adapter->wol);
+       pci_set_power_state(pdev, PCI_D3hot);
 }
 
 static const struct net_device_ops atl1c_netdev_ops = {
@@ -2884,16 +2877,16 @@ static struct pci_error_handlers atl1c_err_handler = {
        .resume = atl1c_io_resume,
 };
 
+static SIMPLE_DEV_PM_OPS(atl1c_pm_ops, atl1c_suspend, atl1c_resume);
+
 static struct pci_driver atl1c_driver = {
        .name     = atl1c_driver_name,
        .id_table = atl1c_pci_tbl,
        .probe    = atl1c_probe,
        .remove   = __devexit_p(atl1c_remove),
-       /* Power Managment Hooks */
-       .suspend  = atl1c_suspend,
-       .resume   = atl1c_resume,
        .shutdown = atl1c_shutdown,
-       .err_handler = &atl1c_err_handler
+       .err_handler = &atl1c_err_handler,
+       .driver.pm = &atl1c_pm_ops,
 };
 
 /*