Merging upstream version 6.9.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 207 insertions, 143 deletions

diff --git a/drivers/net/ethernet/broadcom/asp2/bcmasp.c b/drivers/net/ethernet/broadcom/asp2/bcmasp.c
index 80245c65cc..a806dadc41 100644
--- a/drivers/net/ethernet/broadcom/asp2/bcmasp.c
+++ b/drivers/net/ethernet/broadcom/asp2/bcmasp.c
@@ -31,6 +31,20 @@ static void _intr2_mask_set(struct bcmasp_priv *priv, u32 mask)
 	priv->irq_mask |= mask;
 }
 
+void bcmasp_enable_phy_irq(struct bcmasp_intf *intf, int en)
+{
+	struct bcmasp_priv *priv = intf->parent;
+
+	/* Only supported with internal phys */
+	if (!intf->internal_phy)
+		return;
+
+	if (en)
+		_intr2_mask_clear(priv, ASP_INTR2_PHY_EVENT(intf->channel));
+	else
+		_intr2_mask_set(priv, ASP_INTR2_PHY_EVENT(intf->channel));
+}
+
 void bcmasp_enable_tx_irq(struct bcmasp_intf *intf, int en)
 {
 	struct bcmasp_priv *priv = intf->parent;
@@ -79,6 +93,9 @@ static void bcmasp_intr2_handling(struct bcmasp_intf *intf, u32 status)
 			__napi_schedule_irqoff(&intf->tx_napi);
 		}
 	}
+
+	if (status & ASP_INTR2_PHY_EVENT(intf->channel))
+		phy_mac_interrupt(intf->ndev->phydev);
 }
 
 static irqreturn_t bcmasp_isr(int irq, void *data)
@@ -972,7 +989,26 @@ static void bcmasp_core_init(struct bcmasp_priv *priv)
 		      ASP_INTR2_CLEAR);
 }
 
-static void bcmasp_core_clock_select(struct bcmasp_priv *priv, bool slow)
+static void bcmasp_core_clock_select_many(struct bcmasp_priv *priv, bool slow)
+{
+	u32 reg;
+
+	reg = ctrl2_core_rl(priv, ASP_CTRL2_CORE_CLOCK_SELECT);
+	if (slow)
+		reg &= ~ASP_CTRL2_CORE_CLOCK_SELECT_MAIN;
+	else
+		reg |= ASP_CTRL2_CORE_CLOCK_SELECT_MAIN;
+	ctrl2_core_wl(priv, reg, ASP_CTRL2_CORE_CLOCK_SELECT);
+
+	reg = ctrl2_core_rl(priv, ASP_CTRL2_CPU_CLOCK_SELECT);
+	if (slow)
+		reg &= ~ASP_CTRL2_CPU_CLOCK_SELECT_MAIN;
+	else
+		reg |= ASP_CTRL2_CPU_CLOCK_SELECT_MAIN;
+	ctrl2_core_wl(priv, reg, ASP_CTRL2_CPU_CLOCK_SELECT);
+}
+
+static void bcmasp_core_clock_select_one(struct bcmasp_priv *priv, bool slow)
 {
 	u32 reg;
 
@@ -1166,6 +1202,24 @@ static void bcmasp_wol_irq_destroy_per_intf(struct bcmasp_priv *priv)
 	}
 }
 
+static void bcmasp_eee_fixup(struct bcmasp_intf *intf, bool en)
+{
+	u32 reg, phy_lpi_overwrite;
+
+	reg = rx_edpkt_core_rl(intf->parent, ASP_EDPKT_SPARE_REG);
+	phy_lpi_overwrite = intf->internal_phy ? ASP_EDPKT_SPARE_REG_EPHY_LPI :
+			    ASP_EDPKT_SPARE_REG_GPHY_LPI;
+
+	if (en)
+		reg |= phy_lpi_overwrite;
+	else
+		reg &= ~phy_lpi_overwrite;
+
+	rx_edpkt_core_wl(intf->parent, reg, ASP_EDPKT_SPARE_REG);
+
+	usleep_range(50, 100);
+}
+
 static struct bcmasp_hw_info v20_hw_info = {
 	.rx_ctrl_flush = ASP_RX_CTRL_FLUSH,
 	.umac2fb = UMAC2FB_OFFSET,
@@ -1178,6 +1232,7 @@ static const struct bcmasp_plat_data v20_plat_data = {
 	.init_wol = bcmasp_init_wol_per_intf,
 	.enable_wol = bcmasp_enable_wol_per_intf,
 	.destroy_wol = bcmasp_wol_irq_destroy_per_intf,
+	.core_clock_select = bcmasp_core_clock_select_one,
 	.hw_info = &v20_hw_info,
 };
 
@@ -1194,17 +1249,39 @@ static const struct bcmasp_plat_data v21_plat_data = {
 	.init_wol = bcmasp_init_wol_shared,
 	.enable_wol = bcmasp_enable_wol_shared,
 	.destroy_wol = bcmasp_wol_irq_destroy_shared,
+	.core_clock_select = bcmasp_core_clock_select_one,
+	.hw_info = &v21_hw_info,
+};
+
+static const struct bcmasp_plat_data v22_plat_data = {
+	.init_wol = bcmasp_init_wol_shared,
+	.enable_wol = bcmasp_enable_wol_shared,
+	.destroy_wol = bcmasp_wol_irq_destroy_shared,
+	.core_clock_select = bcmasp_core_clock_select_many,
 	.hw_info = &v21_hw_info,
+	.eee_fixup = bcmasp_eee_fixup,
 };
 
+static void bcmasp_set_pdata(struct bcmasp_priv *priv, const struct bcmasp_plat_data *pdata)
+{
+	priv->init_wol = pdata->init_wol;
+	priv->enable_wol = pdata->enable_wol;
+	priv->destroy_wol = pdata->destroy_wol;
+	priv->core_clock_select = pdata->core_clock_select;
+	priv->eee_fixup = pdata->eee_fixup;
+	priv->hw_info = pdata->hw_info;
+}
+
 static const struct of_device_id bcmasp_of_match[] = {
 	{ .compatible = "brcm,asp-v2.0", .data = &v20_plat_data },
 	{ .compatible = "brcm,asp-v2.1", .data = &v21_plat_data },
+	{ .compatible = "brcm,asp-v2.2", .data = &v22_plat_data },
 	{ /* sentinel */ },
 };
 MODULE_DEVICE_TABLE(of, bcmasp_of_match);
 
 static const struct of_device_id bcmasp_mdio_of_match[] = {
+	{ .compatible = "brcm,asp-v2.2-mdio", },
 	{ .compatible = "brcm,asp-v2.1-mdio", },
 	{ .compatible = "brcm,asp-v2.0-mdio", },
 	{ /* sentinel */ },
@@ -1265,16 +1342,13 @@ static int bcmasp_probe(struct platform_device *pdev)
 	if (!pdata)
 		return dev_err_probe(dev, -EINVAL, "unable to find platform data\n");
 
-	priv->init_wol = pdata->init_wol;
-	priv->enable_wol = pdata->enable_wol;
-	priv->destroy_wol = pdata->destroy_wol;
-	priv->hw_info = pdata->hw_info;
+	bcmasp_set_pdata(priv, pdata);
 
 	/* Enable all clocks to ensure successful probing */
 	bcmasp_core_clock_set(priv, ASP_CTRL_CLOCK_CTRL_ASP_ALL_DISABLE, 0);
 
 	/* Switch to the main clock */
-	bcmasp_core_clock_select(priv, false);
+	priv->core_clock_select(priv, false);
 
 	bcmasp_intr2_mask_set_all(priv);
 	bcmasp_intr2_clear_all(priv);
@@ -1381,7 +1455,7 @@ static int __maybe_unused bcmasp_suspend(struct device *d)
 	 */
 	bcmasp_core_clock_set(priv, 0, ASP_CTRL_CLOCK_CTRL_ASP_TX_DISABLE);
 
-	bcmasp_core_clock_select(priv, true);
+	priv->core_clock_select(priv, true);
 
 	clk_disable_unprepare(priv->clk);
 
@@ -1399,7 +1473,7 @@ static int __maybe_unused bcmasp_resume(struct device *d)
 		return ret;
 
 	/* Switch to the main clock domain */
-	bcmasp_core_clock_select(priv, false);
+	priv->core_clock_select(priv, false);
 
 	/* Re-enable all clocks for re-initialization */
 	bcmasp_core_clock_set(priv, ASP_CTRL_CLOCK_CTRL_ASP_ALL_DISABLE, 0);
diff --git a/drivers/net/ethernet/broadcom/asp2/bcmasp.h b/drivers/net/ethernet/broadcom/asp2/bcmasp.h
index ec90add6b0..f93cb3da44 100644
--- a/drivers/net/ethernet/broadcom/asp2/bcmasp.h
+++ b/drivers/net/ethernet/broadcom/asp2/bcmasp.h
@@ -19,6 +19,8 @@
 #define ASP_INTR2_TX_DESC(intr)			BIT((intr) + 14)
 #define ASP_INTR2_UMC0_WAKE			BIT(22)
 #define ASP_INTR2_UMC1_WAKE			BIT(28)
+#define ASP_INTR2_PHY_EVENT(intr)		((intr) ? BIT(30) | BIT(31) : \
+						BIT(24) | BIT(25))
 
 #define ASP_WAKEUP_INTR2_OFFSET			0x1200
 #define  ASP_WAKEUP_INTR2_STATUS		0x0
@@ -33,6 +35,12 @@
 #define ASP_WAKEUP_INTR2_FILT_1			BIT(3)
 #define ASP_WAKEUP_INTR2_FW			BIT(4)
 
+#define ASP_CTRL2_OFFSET			0x2000
+#define  ASP_CTRL2_CORE_CLOCK_SELECT		0x0
+#define   ASP_CTRL2_CORE_CLOCK_SELECT_MAIN	BIT(0)
+#define  ASP_CTRL2_CPU_CLOCK_SELECT		0x4
+#define   ASP_CTRL2_CPU_CLOCK_SELECT_MAIN	BIT(0)
+
 #define ASP_TX_ANALYTICS_OFFSET			0x4c000
 #define  ASP_TX_ANALYTICS_CTRL			0x0
 
@@ -134,8 +142,11 @@ enum asp_rx_net_filter_block {
 #define ASP_EDPKT_RX_PKT_CNT			0x138
 #define ASP_EDPKT_HDR_EXTR_CNT			0x13c
 #define ASP_EDPKT_HDR_OUT_CNT			0x140
+#define ASP_EDPKT_SPARE_REG			0x174
+#define  ASP_EDPKT_SPARE_REG_EPHY_LPI		BIT(4)
+#define  ASP_EDPKT_SPARE_REG_GPHY_LPI		BIT(3)
 
-#define ASP_CTRL				0x101000
+#define ASP_CTRL_OFFSET				0x101000
 #define  ASP_CTRL_ASP_SW_INIT			0x04
 #define   ASP_CTRL_ASP_SW_INIT_ACPUSS_CORE	BIT(0)
 #define   ASP_CTRL_ASP_SW_INIT_ASP_TX		BIT(1)
@@ -306,6 +317,7 @@ struct bcmasp_intf {
 	struct bcmasp_desc		*rx_edpkt_cpu;
 	dma_addr_t			rx_edpkt_dma_addr;
 	dma_addr_t			rx_edpkt_dma_read;
+	dma_addr_t			rx_edpkt_dma_valid;
 
 	/* RX buffer prefetcher ring*/
 	void				*rx_ring_cpu;
@@ -337,7 +349,7 @@ struct bcmasp_intf {
 	int				wol_irq;
 	unsigned int			wol_irq_enabled:1;
 
-	struct ethtool_eee		eee;
+	struct ethtool_keee		eee;
 };
 
 #define NUM_NET_FILTERS				32
@@ -372,6 +384,8 @@ struct bcmasp_plat_data {
 	void (*init_wol)(struct bcmasp_priv *priv);
 	void (*enable_wol)(struct bcmasp_intf *intf, bool en);
 	void (*destroy_wol)(struct bcmasp_priv *priv);
+	void (*core_clock_select)(struct bcmasp_priv *priv, bool slow);
+	void (*eee_fixup)(struct bcmasp_intf *priv, bool en);
 	struct bcmasp_hw_info		*hw_info;
 };
 
@@ -390,6 +404,8 @@ struct bcmasp_priv {
 	void (*init_wol)(struct bcmasp_priv *priv);
 	void (*enable_wol)(struct bcmasp_intf *intf, bool en);
 	void (*destroy_wol)(struct bcmasp_priv *priv);
+	void (*core_clock_select)(struct bcmasp_priv *priv, bool slow);
+	void (*eee_fixup)(struct bcmasp_intf *intf, bool en);
 
 	void __iomem			*base;
 	struct	bcmasp_hw_info		*hw_info;
@@ -530,7 +546,8 @@ BCMASP_CORE_IO_MACRO(rx_analytics, ASP_RX_ANALYTICS_OFFSET);
 BCMASP_CORE_IO_MACRO(rx_ctrl, ASP_RX_CTRL_OFFSET);
 BCMASP_CORE_IO_MACRO(rx_filter, ASP_RX_FILTER_OFFSET);
 BCMASP_CORE_IO_MACRO(rx_edpkt, ASP_EDPKT_OFFSET);
-BCMASP_CORE_IO_MACRO(ctrl, ASP_CTRL);
+BCMASP_CORE_IO_MACRO(ctrl, ASP_CTRL_OFFSET);
+BCMASP_CORE_IO_MACRO(ctrl2, ASP_CTRL2_OFFSET);
 
 struct bcmasp_intf *bcmasp_interface_create(struct bcmasp_priv *priv,
 					    struct device_node *ndev_dn, int i);
@@ -541,6 +558,8 @@ void bcmasp_enable_tx_irq(struct bcmasp_intf *intf, int en);
 
 void bcmasp_enable_rx_irq(struct bcmasp_intf *intf, int en);
 
+void bcmasp_enable_phy_irq(struct bcmasp_intf *intf, int en);
+
 void bcmasp_flush_rx_port(struct bcmasp_intf *intf);
 
 extern const struct ethtool_ops bcmasp_ethtool_ops;
diff --git a/drivers/net/ethernet/broadcom/asp2/bcmasp_ethtool.c b/drivers/net/ethernet/broadcom/asp2/bcmasp_ethtool.c
index ce6a3d56fb..484fc2b562 100644
--- a/drivers/net/ethernet/broadcom/asp2/bcmasp_ethtool.c
+++ b/drivers/net/ethernet/broadcom/asp2/bcmasp_ethtool.c
@@ -360,29 +360,26 @@ void bcmasp_eee_enable_set(struct bcmasp_intf *intf, bool enable)
 	umac_wl(intf, reg, UMC_EEE_CTRL);
 
 	intf->eee.eee_enabled = enable;
-	intf->eee.eee_active = enable;
 }
 
-static int bcmasp_get_eee(struct net_device *dev, struct ethtool_eee *e)
+static int bcmasp_get_eee(struct net_device *dev, struct ethtool_keee *e)
 {
 	struct bcmasp_intf *intf = netdev_priv(dev);
-	struct ethtool_eee *p = &intf->eee;
+	struct ethtool_keee *p = &intf->eee;
 
 	if (!dev->phydev)
 		return -ENODEV;
 
-	e->eee_enabled = p->eee_enabled;
-	e->eee_active = p->eee_active;
 	e->tx_lpi_enabled = p->tx_lpi_enabled;
 	e->tx_lpi_timer = umac_rl(intf, UMC_EEE_LPI_TIMER);
 
 	return phy_ethtool_get_eee(dev->phydev, e);
 }
 
-static int bcmasp_set_eee(struct net_device *dev, struct ethtool_eee *e)
+static int bcmasp_set_eee(struct net_device *dev, struct ethtool_keee *e)
 {
 	struct bcmasp_intf *intf = netdev_priv(dev);
-	struct ethtool_eee *p = &intf->eee;
+	struct ethtool_keee *p = &intf->eee;
 	int ret;
 
 	if (!dev->phydev)
@@ -399,7 +396,6 @@ static int bcmasp_set_eee(struct net_device *dev, struct ethtool_eee *e)
 		}
 
 		umac_wl(intf, e->tx_lpi_timer, UMC_EEE_LPI_TIMER);
-		intf->eee.eee_active = ret >= 0;
 		intf->eee.tx_lpi_enabled = e->tx_lpi_enabled;
 		bcmasp_eee_enable_set(intf, true);
 	}
diff --git a/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c b/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c
index 529172a87a..82768b0e90 100644
--- a/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c
+++ b/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c
@@ -382,6 +382,7 @@ static void bcmasp_netif_start(struct net_device *dev)
 
 	bcmasp_enable_rx_irq(intf, 1);
 	bcmasp_enable_tx_irq(intf, 1);
+	bcmasp_enable_phy_irq(intf, 1);
 
 	phy_start(dev->phydev);
 }
@@ -614,6 +615,7 @@ static void bcmasp_adj_link(struct net_device *dev)
 	struct phy_device *phydev = dev->phydev;
 	u32 cmd_bits = 0, reg;
 	int changed = 0;
+	bool active;
 
 	if (intf->old_link != phydev->link) {
 		changed = 1;
@@ -671,8 +673,8 @@ static void bcmasp_adj_link(struct net_device *dev)
 		}
 		umac_wl(intf, reg, UMC_CMD);
 
-		intf->eee.eee_active = phy_init_eee(phydev, 0) >= 0;
-		bcmasp_eee_enable_set(intf, intf->eee.eee_active);
+		active = phy_init_eee(phydev, 0) >= 0;
+		bcmasp_eee_enable_set(intf, active);
 	}
 
 	reg = rgmii_rl(intf, RGMII_OOB_CNTRL);
@@ -686,40 +688,78 @@ static void bcmasp_adj_link(struct net_device *dev)
 		phy_print_status(phydev);
 }
 
-static int bcmasp_init_rx(struct bcmasp_intf *intf)
+static int bcmasp_alloc_buffers(struct bcmasp_intf *intf)
 {
 	struct device *kdev = &intf->parent->pdev->dev;
 	struct page *buffer_pg;
-	dma_addr_t dma;
-	void *p;
-	u32 reg;
-	int ret;
 
+	/* Alloc RX */
 	intf->rx_buf_order = get_order(RING_BUFFER_SIZE);
 	buffer_pg = alloc_pages(GFP_KERNEL, intf->rx_buf_order);
 	if (!buffer_pg)
 		return -ENOMEM;
 
-	dma = dma_map_page(kdev, buffer_pg, 0, RING_BUFFER_SIZE,
-			   DMA_FROM_DEVICE);
-	if (dma_mapping_error(kdev, dma)) {
-		__free_pages(buffer_pg, intf->rx_buf_order);
-		return -ENOMEM;
-	}
 	intf->rx_ring_cpu = page_to_virt(buffer_pg);
-	intf->rx_ring_dma = dma;
-	intf->rx_ring_dma_valid = intf->rx_ring_dma + RING_BUFFER_SIZE - 1;
+	intf->rx_ring_dma = dma_map_page(kdev, buffer_pg, 0, RING_BUFFER_SIZE,
+					 DMA_FROM_DEVICE);
+	if (dma_mapping_error(kdev, intf->rx_ring_dma))
+		goto free_rx_buffer;
+
+	intf->rx_edpkt_cpu = dma_alloc_coherent(kdev, DESC_RING_SIZE,
+						&intf->rx_edpkt_dma_addr, GFP_KERNEL);
+	if (!intf->rx_edpkt_cpu)
+		goto free_rx_buffer_dma;
+
+	/* Alloc TX */
+	intf->tx_spb_cpu = dma_alloc_coherent(kdev, DESC_RING_SIZE,
+					      &intf->tx_spb_dma_addr, GFP_KERNEL);
+	if (!intf->tx_spb_cpu)
+		goto free_rx_edpkt_dma;
 
-	p = dma_alloc_coherent(kdev, DESC_RING_SIZE, &intf->rx_edpkt_dma_addr,
+	intf->tx_cbs = kcalloc(DESC_RING_COUNT, sizeof(struct bcmasp_tx_cb),
 			       GFP_KERNEL);
-	if (!p) {
-		ret = -ENOMEM;
-		goto free_rx_ring;
-	}
-	intf->rx_edpkt_cpu = p;
+	if (!intf->tx_cbs)
+		goto free_tx_spb_dma;
 
-	netif_napi_add(intf->ndev, &intf->rx_napi, bcmasp_rx_poll);
+	return 0;
+
+free_tx_spb_dma:
+	dma_free_coherent(kdev, DESC_RING_SIZE, intf->tx_spb_cpu,
+			  intf->tx_spb_dma_addr);
+free_rx_edpkt_dma:
+	dma_free_coherent(kdev, DESC_RING_SIZE, intf->rx_edpkt_cpu,
+			  intf->rx_edpkt_dma_addr);
+free_rx_buffer_dma:
+	dma_unmap_page(kdev, intf->rx_ring_dma, RING_BUFFER_SIZE,
+		       DMA_FROM_DEVICE);
+free_rx_buffer:
+	__free_pages(buffer_pg, intf->rx_buf_order);
+
+	return -ENOMEM;
+}
+
+static void bcmasp_reclaim_free_buffers(struct bcmasp_intf *intf)
+{
+	struct device *kdev = &intf->parent->pdev->dev;
 
+	/* RX buffers */
+	dma_free_coherent(kdev, DESC_RING_SIZE, intf->rx_edpkt_cpu,
+			  intf->rx_edpkt_dma_addr);
+	dma_unmap_page(kdev, intf->rx_ring_dma, RING_BUFFER_SIZE,
+		       DMA_FROM_DEVICE);
+	__free_pages(virt_to_page(intf->rx_ring_cpu), intf->rx_buf_order);
+
+	/* TX buffers */
+	dma_free_coherent(kdev, DESC_RING_SIZE, intf->tx_spb_cpu,
+			  intf->tx_spb_dma_addr);
+	kfree(intf->tx_cbs);
+}
+
+static void bcmasp_init_rx(struct bcmasp_intf *intf)
+{
+	/* Restart from index 0 */
+	intf->rx_ring_dma_valid = intf->rx_ring_dma + RING_BUFFER_SIZE - 1;
+	intf->rx_edpkt_dma_valid = intf->rx_edpkt_dma_addr + (DESC_RING_SIZE - 1);
 	intf->rx_edpkt_dma_read = intf->rx_edpkt_dma_addr;
 	intf->rx_edpkt_index = 0;
 
@@ -745,65 +785,24 @@ static int bcmasp_init_rx(struct bcmasp_intf *intf)
 	rx_edpkt_dma_wq(intf, intf->rx_edpkt_dma_addr, RX_EDPKT_DMA_WRITE);
 	rx_edpkt_dma_wq(intf, intf->rx_edpkt_dma_addr, RX_EDPKT_DMA_READ);
 	rx_edpkt_dma_wq(intf, intf->rx_edpkt_dma_addr, RX_EDPKT_DMA_BASE);
-	rx_edpkt_dma_wq(intf, intf->rx_edpkt_dma_addr + (DESC_RING_SIZE - 1),
-			RX_EDPKT_DMA_END);
-	rx_edpkt_dma_wq(intf, intf->rx_edpkt_dma_addr + (DESC_RING_SIZE - 1),
-			RX_EDPKT_DMA_VALID);
-
-	reg = UMAC2FB_CFG_DEFAULT_EN |
-	      ((intf->channel + 11) << UMAC2FB_CFG_CHID_SHIFT);
-	reg |= (0xd << UMAC2FB_CFG_OK_SEND_SHIFT);
-	umac2fb_wl(intf, reg, UMAC2FB_CFG);
+	rx_edpkt_dma_wq(intf, intf->rx_edpkt_dma_valid, RX_EDPKT_DMA_END);
+	rx_edpkt_dma_wq(intf, intf->rx_edpkt_dma_valid, RX_EDPKT_DMA_VALID);
 
-	return 0;
-
-free_rx_ring:
-	dma_unmap_page(kdev, intf->rx_ring_dma, RING_BUFFER_SIZE,
-		       DMA_FROM_DEVICE);
-	__free_pages(virt_to_page(intf->rx_ring_cpu), intf->rx_buf_order);
-
-	return ret;
+	umac2fb_wl(intf, UMAC2FB_CFG_DEFAULT_EN | ((intf->channel + 11) <<
+		   UMAC2FB_CFG_CHID_SHIFT) | (0xd << UMAC2FB_CFG_OK_SEND_SHIFT),
+		   UMAC2FB_CFG);
 }
 
-static void bcmasp_reclaim_free_all_rx(struct bcmasp_intf *intf)
-{
-	struct device *kdev = &intf->parent->pdev->dev;
 
-	dma_free_coherent(kdev, DESC_RING_SIZE, intf->rx_edpkt_cpu,
-			  intf->rx_edpkt_dma_addr);
-	dma_unmap_page(kdev, intf->rx_ring_dma, RING_BUFFER_SIZE,
-		       DMA_FROM_DEVICE);
-	__free_pages(virt_to_page(intf->rx_ring_cpu), intf->rx_buf_order);
-}
-
-static int bcmasp_init_tx(struct bcmasp_intf *intf)
+static void bcmasp_init_tx(struct bcmasp_intf *intf)
 {
-	struct device *kdev = &intf->parent->pdev->dev;
-	void *p;
-	int ret;
-
-	p = dma_alloc_coherent(kdev, DESC_RING_SIZE, &intf->tx_spb_dma_addr,
-			       GFP_KERNEL);
-	if (!p)
-		return -ENOMEM;
-
-	intf->tx_spb_cpu = p;
+	/* Restart from index 0 */
 	intf->tx_spb_dma_valid = intf->tx_spb_dma_addr + DESC_RING_SIZE - 1;
 	intf->tx_spb_dma_read = intf->tx_spb_dma_addr;
-
-	intf->tx_cbs = kcalloc(DESC_RING_COUNT, sizeof(struct bcmasp_tx_cb),
-			       GFP_KERNEL);
-	if (!intf->tx_cbs) {
-		ret = -ENOMEM;
-		goto free_tx_spb;
-	}
-
 	intf->tx_spb_index = 0;
 	intf->tx_spb_clean_index = 0;
 	memset(intf->tx_cbs, 0, sizeof(struct bcmasp_tx_cb) * DESC_RING_COUNT);
 
-	netif_napi_add_tx(intf->ndev, &intf->tx_napi, bcmasp_tx_poll);
-
 	/* Make sure channels are disabled */
 	tx_spb_ctrl_wl(intf, 0x0, TX_SPB_CTRL_ENABLE);
 	tx_epkt_core_wl(intf, 0x0, TX_EPKT_C_CFG_MISC);
@@ -819,26 +818,6 @@ static int bcmasp_init_tx(struct bcmasp_intf *intf)
 	tx_spb_dma_wq(intf, intf->tx_spb_dma_addr, TX_SPB_DMA_BASE);
 	tx_spb_dma_wq(intf, intf->tx_spb_dma_valid, TX_SPB_DMA_END);
 	tx_spb_dma_wq(intf, intf->tx_spb_dma_valid, TX_SPB_DMA_VALID);
-
-	return 0;
-
-free_tx_spb:
-	dma_free_coherent(kdev, DESC_RING_SIZE, intf->tx_spb_cpu,
-			  intf->tx_spb_dma_addr);
-
-	return ret;
-}
-
-static void bcmasp_reclaim_free_all_tx(struct bcmasp_intf *intf)
-{
-	struct device *kdev = &intf->parent->pdev->dev;
-
-	/* Free descriptors */
-	dma_free_coherent(kdev, DESC_RING_SIZE, intf->tx_spb_cpu,
-			  intf->tx_spb_dma_addr);
-
-	/* Free cbs */
-	kfree(intf->tx_cbs);
 }
 
 static void bcmasp_ephy_enable_set(struct bcmasp_intf *intf, bool enable)
@@ -928,12 +907,10 @@ static void bcmasp_netif_deinit(struct net_device *dev)
 	/* Disable interrupts */
 	bcmasp_enable_tx_irq(intf, 0);
 	bcmasp_enable_rx_irq(intf, 0);
+	bcmasp_enable_phy_irq(intf, 0);
 
 	netif_napi_del(&intf->tx_napi);
-	bcmasp_reclaim_free_all_tx(intf);
-
 	netif_napi_del(&intf->rx_napi);
-	bcmasp_reclaim_free_all_rx(intf);
 }
 
 static int bcmasp_stop(struct net_device *dev)
@@ -947,6 +924,8 @@ static int bcmasp_stop(struct net_device *dev)
 
 	bcmasp_netif_deinit(dev);
 
+	bcmasp_reclaim_free_buffers(intf);
+
 	phy_disconnect(dev->phydev);
 
 	/* Disable internal EPHY or external PHY */
@@ -1067,12 +1046,11 @@ static int bcmasp_netif_init(struct net_device *dev, bool phy_connect)
 			goto err_phy_disable;
 		}
 
+		if (intf->internal_phy)
+			dev->phydev->irq = PHY_MAC_INTERRUPT;
+
 		/* Indicate that the MAC is responsible for PHY PM */
 		phydev->mac_managed_pm = true;
-	} else if (!intf->wolopts) {
-		ret = phy_resume(dev->phydev);
-		if (ret)
-			goto err_phy_disable;
 	}
 
 	umac_reset(intf);
@@ -1085,17 +1063,12 @@ static int bcmasp_netif_init(struct net_device *dev, bool phy_connect)
 	intf->old_link = -1;
 	intf->old_pause = -1;
 
-	ret = bcmasp_init_tx(intf);
-	if (ret)
-		goto err_phy_disconnect;
-
-	/* Turn on asp */
+	bcmasp_init_tx(intf);
+	netif_napi_add_tx(intf->ndev, &intf->tx_napi, bcmasp_tx_poll);
 	bcmasp_enable_tx(intf, 1);
 
-	ret = bcmasp_init_rx(intf);
-	if (ret)
-		goto err_reclaim_tx;
-
+	bcmasp_init_rx(intf);
+	netif_napi_add(intf->ndev, &intf->rx_napi, bcmasp_rx_poll);
 	bcmasp_enable_rx(intf, 1);
 
 	intf->crc_fwd = !!(umac_rl(intf, UMC_CMD) & UMC_CMD_CRC_FWD);
@@ -1106,12 +1079,6 @@ static int bcmasp_netif_init(struct net_device *dev, bool phy_connect)
 
 	return 0;
 
-err_reclaim_tx:
-	netif_napi_del(&intf->tx_napi);
-	bcmasp_reclaim_free_all_tx(intf);
-err_phy_disconnect:
-	if (phydev)
-		phy_disconnect(phydev);
 err_phy_disable:
 	if (intf->internal_phy)
 		bcmasp_ephy_enable_set(intf, false);
@@ -1127,13 +1094,24 @@ static int bcmasp_open(struct net_device *dev)
 
 	netif_dbg(intf, ifup, dev, "bcmasp open\n");
 
-	ret = clk_prepare_enable(intf->parent->clk);
+	ret = bcmasp_alloc_buffers(intf);
 	if (ret)
 		return ret;
 
-	ret = bcmasp_netif_init(dev, true);
+	ret = clk_prepare_enable(intf->parent->clk);
 	if (ret)
+		goto err_free_mem;
+
+	ret = bcmasp_netif_init(dev, true);
+	if (ret) {
 		clk_disable_unprepare(intf->parent->clk);
+		goto err_free_mem;
+	}
+
+	return ret;
+
+err_free_mem:
+	bcmasp_reclaim_free_buffers(intf);
 
 	return ret;
 }
@@ -1349,6 +1327,9 @@ static void bcmasp_suspend_to_wol(struct bcmasp_intf *intf)
 				     ASP_WAKEUP_INTR2_MASK_CLEAR);
 	}
 
+	if (intf->eee.eee_enabled && intf->parent->eee_fixup)
+		intf->parent->eee_fixup(intf, true);
+
 	netif_dbg(intf, wol, ndev, "entered WOL mode\n");
 }
 
@@ -1356,7 +1337,6 @@ int bcmasp_interface_suspend(struct bcmasp_intf *intf)
 {
 	struct device *kdev = &intf->parent->pdev->dev;
 	struct net_device *dev = intf->ndev;
-	int ret = 0;
 
 	if (!netif_running(dev))
 		return 0;
@@ -1366,10 +1346,6 @@ int bcmasp_interface_suspend(struct bcmasp_intf *intf)
 	bcmasp_netif_deinit(dev);
 
 	if (!intf->wolopts) {
-		ret = phy_suspend(dev->phydev);
-		if (ret)
-			goto out;
-
 		if (intf->internal_phy)
 			bcmasp_ephy_enable_set(intf, false);
 		else
@@ -1386,17 +1362,16 @@ int bcmasp_interface_suspend(struct bcmasp_intf *intf)
 
 	clk_disable_unprepare(intf->parent->clk);
 
-	return ret;
-
-out:
-	bcmasp_netif_init(dev, false);
-	return ret;
+	return 0;
 }
 
 static void bcmasp_resume_from_wol(struct bcmasp_intf *intf)
 {
 	u32 reg;
 
+	if (intf->eee.eee_enabled && intf->parent->eee_fixup)
+		intf->parent->eee_fixup(intf, false);
+
 	reg = umac_rl(intf, UMC_MPD_CTRL);
 	reg &= ~UMC_MPD_CTRL_MPD_EN;
 	umac_wl(intf, reg, UMC_MPD_CTRL);