12 files changed, 426 insertions, 6 deletions

diff --git a/drivers/net/ethernet/broadcom/bnge/Makefile b/drivers/net/ethernet/broadcom/bnge/Makefile
index 6142d9c57f49..ea6596854e5c 100644
--- a/drivers/net/ethernet/broadcom/bnge/Makefile
+++ b/drivers/net/ethernet/broadcom/bnge/Makefile
@@ -9,4 +9,5 @@ bng_en-y := bnge_core.o \
 	    bnge_rmem.o \
 	    bnge_resc.o \
 	    bnge_netdev.o \
-	    bnge_ethtool.o
+	    bnge_ethtool.o \
+	    bnge_auxr.o
diff --git a/drivers/net/ethernet/broadcom/bnge/bnge.h b/drivers/net/ethernet/broadcom/bnge/bnge.h
index 7aed5f81cd51..411744894349 100644
--- a/drivers/net/ethernet/broadcom/bnge/bnge.h
+++ b/drivers/net/ethernet/broadcom/bnge/bnge.h
@@ -11,6 +11,7 @@
 #include <linux/bnxt/hsi.h>
 #include "bnge_rmem.h"
 #include "bnge_resc.h"
+#include "bnge_auxr.h"
 
 #define DRV_VER_MAJ	1
 #define DRV_VER_MIN	15
@@ -22,6 +23,12 @@ enum board_idx {
 	BCM57708,
 };
 
+struct bnge_auxr_priv {
+	struct auxiliary_device aux_dev;
+	struct bnge_auxr_dev *auxr_dev;
+	int id;
+};
+
 struct bnge_pf_info {
 	u16	fw_fid;
 	u16	port_id;
@@ -197,6 +204,9 @@ struct bnge_dev {
 
 	struct bnge_irq		*irq_tbl;
 	u16			irqs_acquired;
+
+	struct bnge_auxr_priv	*aux_priv;
+	struct bnge_auxr_dev	*auxr_dev;
 };
 
 static inline bool bnge_is_roce_en(struct bnge_dev *bd)
diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_auxr.c b/drivers/net/ethernet/broadcom/bnge/bnge_auxr.c
new file mode 100644
index 000000000000..d64592b64e17
--- /dev/null
+++ b/drivers/net/ethernet/broadcom/bnge/bnge_auxr.c
@@ -0,0 +1,258 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2025 Broadcom.
+
+#include <linux/module.h>
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/netdevice.h>
+#include <linux/rtnetlink.h>
+#include <linux/bitops.h>
+#include <linux/irq.h>
+#include <asm/byteorder.h>
+#include <linux/bitmap.h>
+#include <linux/auxiliary_bus.h>
+#include <linux/bnxt/hsi.h>
+
+#include "bnge.h"
+#include "bnge_hwrm.h"
+#include "bnge_auxr.h"
+
+static DEFINE_IDA(bnge_aux_dev_ids);
+
+static void bnge_fill_msix_vecs(struct bnge_dev *bd,
+				struct bnge_msix_info *info)
+{
+	struct bnge_auxr_dev *auxr_dev = bd->auxr_dev;
+	int num_msix, i;
+
+	if (!auxr_dev->auxr_info->msix_requested) {
+		dev_warn(bd->dev, "Requested MSI-X vectors not allocated\n");
+		return;
+	}
+	num_msix = auxr_dev->auxr_info->msix_requested;
+	for (i = 0; i < num_msix; i++) {
+		info[i].vector = bd->irq_tbl[i].vector;
+		info[i].db_offset = bd->db_offset;
+		info[i].ring_idx = i;
+	}
+}
+
+int bnge_register_dev(struct bnge_auxr_dev *auxr_dev,
+		      void *handle)
+{
+	struct bnge_dev *bd = pci_get_drvdata(auxr_dev->pdev);
+	struct bnge_auxr_info *auxr_info;
+	int rc = 0;
+
+	netdev_lock(bd->netdev);
+	mutex_lock(&auxr_dev->auxr_dev_lock);
+	if (!bd->irq_tbl) {
+		rc = -ENODEV;
+		goto exit;
+	}
+
+	if (!bnge_aux_has_enough_resources(bd)) {
+		rc = -ENOMEM;
+		goto exit;
+	}
+
+	auxr_info = auxr_dev->auxr_info;
+	auxr_info->handle = handle;
+
+	auxr_info->msix_requested = bd->aux_num_msix;
+
+	bnge_fill_msix_vecs(bd, bd->auxr_dev->msix_info);
+	auxr_dev->flags |= BNGE_ARDEV_MSIX_ALLOC;
+
+exit:
+	mutex_unlock(&auxr_dev->auxr_dev_lock);
+	netdev_unlock(bd->netdev);
+	return rc;
+}
+EXPORT_SYMBOL(bnge_register_dev);
+
+void bnge_unregister_dev(struct bnge_auxr_dev *auxr_dev)
+{
+	struct bnge_dev *bd = pci_get_drvdata(auxr_dev->pdev);
+	struct bnge_auxr_info *auxr_info;
+
+	auxr_info = auxr_dev->auxr_info;
+	netdev_lock(bd->netdev);
+	mutex_lock(&auxr_dev->auxr_dev_lock);
+	if (auxr_info->msix_requested)
+		auxr_dev->flags &= ~BNGE_ARDEV_MSIX_ALLOC;
+	auxr_info->msix_requested = 0;
+
+	mutex_unlock(&auxr_dev->auxr_dev_lock);
+	netdev_unlock(bd->netdev);
+}
+EXPORT_SYMBOL(bnge_unregister_dev);
+
+int bnge_send_msg(struct bnge_auxr_dev *auxr_dev, struct bnge_fw_msg *fw_msg)
+{
+	struct bnge_dev *bd = pci_get_drvdata(auxr_dev->pdev);
+	struct output *resp;
+	struct input *req;
+	u32 resp_len;
+	int rc;
+
+	rc = bnge_hwrm_req_init(bd, req, 0 /* don't care */);
+	if (rc)
+		return rc;
+
+	rc = bnge_hwrm_req_replace(bd, req, fw_msg->msg, fw_msg->msg_len);
+	if (rc)
+		goto drop_req;
+
+	bnge_hwrm_req_timeout(bd, req, fw_msg->timeout);
+	resp = bnge_hwrm_req_hold(bd, req);
+	rc = bnge_hwrm_req_send(bd, req);
+	resp_len = le16_to_cpu(resp->resp_len);
+	if (resp_len) {
+		if (fw_msg->resp_max_len < resp_len)
+			resp_len = fw_msg->resp_max_len;
+
+		memcpy(fw_msg->resp, resp, resp_len);
+	}
+drop_req:
+	bnge_hwrm_req_drop(bd, req);
+	return rc;
+}
+EXPORT_SYMBOL(bnge_send_msg);
+
+void bnge_rdma_aux_device_uninit(struct bnge_dev *bd)
+{
+	struct bnge_auxr_priv *aux_priv;
+	struct auxiliary_device *adev;
+
+	/* Skip if no auxiliary device init was done. */
+	if (!bd->aux_priv)
+		return;
+
+	aux_priv = bd->aux_priv;
+	adev = &aux_priv->aux_dev;
+	auxiliary_device_uninit(adev);
+}
+
+static void bnge_aux_dev_release(struct device *dev)
+{
+	struct bnge_auxr_priv *aux_priv =
+			container_of(dev, struct bnge_auxr_priv, aux_dev.dev);
+	struct bnge_dev *bd = pci_get_drvdata(aux_priv->auxr_dev->pdev);
+
+	ida_free(&bnge_aux_dev_ids, aux_priv->id);
+	kfree(aux_priv->auxr_dev->auxr_info);
+	bd->auxr_dev = NULL;
+	kfree(aux_priv->auxr_dev);
+	kfree(aux_priv);
+	bd->aux_priv = NULL;
+}
+
+void bnge_rdma_aux_device_del(struct bnge_dev *bd)
+{
+	if (!bd->auxr_dev)
+		return;
+
+	auxiliary_device_delete(&bd->aux_priv->aux_dev);
+}
+
+static void bnge_set_auxr_dev_info(struct bnge_auxr_dev *auxr_dev,
+				   struct bnge_dev *bd)
+{
+	auxr_dev->pdev = bd->pdev;
+	auxr_dev->l2_db_size = bd->db_size;
+	auxr_dev->l2_db_size_nc = bd->db_size;
+	auxr_dev->l2_db_offset = bd->db_offset;
+	mutex_init(&auxr_dev->auxr_dev_lock);
+
+	if (bd->flags & BNGE_EN_ROCE_V1)
+		auxr_dev->flags |= BNGE_ARDEV_ROCEV1_SUPP;
+	if (bd->flags & BNGE_EN_ROCE_V2)
+		auxr_dev->flags |= BNGE_ARDEV_ROCEV2_SUPP;
+
+	auxr_dev->chip_num = bd->chip_num;
+	auxr_dev->hw_ring_stats_size = bd->hw_ring_stats_size;
+	auxr_dev->pf_port_id = bd->pf.port_id;
+	auxr_dev->en_state = bd->state;
+	auxr_dev->bar0 = bd->bar0;
+}
+
+void bnge_rdma_aux_device_add(struct bnge_dev *bd)
+{
+	struct auxiliary_device *aux_dev;
+	int rc;
+
+	if (!bd->auxr_dev)
+		return;
+
+	aux_dev = &bd->aux_priv->aux_dev;
+	rc = auxiliary_device_add(aux_dev);
+	if (rc) {
+		dev_warn(bd->dev, "Failed to add auxiliary device for ROCE\n");
+		auxiliary_device_uninit(aux_dev);
+		bd->flags &= ~BNGE_EN_ROCE;
+	}
+
+	bd->auxr_dev->net = bd->netdev;
+}
+
+void bnge_rdma_aux_device_init(struct bnge_dev *bd)
+{
+	struct auxiliary_device *aux_dev;
+	struct bnge_auxr_info *auxr_info;
+	struct bnge_auxr_priv *aux_priv;
+	struct bnge_auxr_dev *auxr_dev;
+	int rc;
+
+	if (!bnge_is_roce_en(bd))
+		return;
+
+	aux_priv = kzalloc(sizeof(*aux_priv), GFP_KERNEL);
+	if (!aux_priv)
+		goto exit;
+
+	aux_priv->id = ida_alloc(&bnge_aux_dev_ids, GFP_KERNEL);
+	if (aux_priv->id < 0) {
+		dev_warn(bd->dev, "ida alloc failed for aux device\n");
+		kfree(aux_priv);
+		goto exit;
+	}
+
+	aux_dev = &aux_priv->aux_dev;
+	aux_dev->id = aux_priv->id;
+	aux_dev->name = "rdma";
+	aux_dev->dev.parent = &bd->pdev->dev;
+	aux_dev->dev.release = bnge_aux_dev_release;
+
+	rc = auxiliary_device_init(aux_dev);
+	if (rc) {
+		ida_free(&bnge_aux_dev_ids, aux_priv->id);
+		kfree(aux_priv);
+		goto exit;
+	}
+	bd->aux_priv = aux_priv;
+
+	auxr_dev = kzalloc(sizeof(*auxr_dev), GFP_KERNEL);
+	if (!auxr_dev)
+		goto aux_dev_uninit;
+
+	aux_priv->auxr_dev = auxr_dev;
+
+	auxr_info = kzalloc(sizeof(*auxr_info), GFP_KERNEL);
+	if (!auxr_info)
+		goto aux_dev_uninit;
+
+	auxr_dev->auxr_info = auxr_info;
+	bd->auxr_dev = auxr_dev;
+	bnge_set_auxr_dev_info(auxr_dev, bd);
+
+	return;
+
+aux_dev_uninit:
+	auxiliary_device_uninit(aux_dev);
+exit:
+	bd->flags &= ~BNGE_EN_ROCE;
+}
diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_auxr.h b/drivers/net/ethernet/broadcom/bnge/bnge_auxr.h
new file mode 100644
index 000000000000..6c5c15ef2b0a
--- /dev/null
+++ b/drivers/net/ethernet/broadcom/bnge/bnge_auxr.h
@@ -0,0 +1,84 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2025 Broadcom */
+
+#ifndef _BNGE_AUXR_H_
+#define _BNGE_AUXR_H_
+
+#include <linux/auxiliary_bus.h>
+
+#define BNGE_MIN_ROCE_CP_RINGS	2
+#define BNGE_MIN_ROCE_STAT_CTXS	1
+
+#define BNGE_MAX_ROCE_MSIX	64
+
+struct hwrm_async_event_cmpl;
+struct bnge;
+
+struct bnge_msix_info {
+	u32	vector;
+	u32	ring_idx;
+	u32	db_offset;
+};
+
+struct bnge_fw_msg {
+	void	*msg;
+	int	msg_len;
+	void	*resp;
+	int	resp_max_len;
+	int	timeout;
+};
+
+struct bnge_auxr_info {
+	void		*handle;
+	u16		msix_requested;
+};
+
+enum {
+	BNGE_ARDEV_ROCEV1_SUPP		= BIT(0),
+	BNGE_ARDEV_ROCEV2_SUPP		= BIT(1),
+	BNGE_ARDEV_MSIX_ALLOC		= BIT(2),
+};
+
+#define BNGE_ARDEV_ROCE_SUPP	(BNGE_ARDEV_ROCEV1_SUPP | \
+				 BNGE_ARDEV_ROCEV2_SUPP)
+
+struct bnge_auxr_dev {
+	struct net_device	*net;
+	struct pci_dev		*pdev;
+	void __iomem		*bar0;
+
+	struct bnge_msix_info	msix_info[BNGE_MAX_ROCE_MSIX];
+
+	u32 flags;
+
+	struct bnge_auxr_info	*auxr_info;
+
+	/* Doorbell BAR size in bytes mapped by L2 driver. */
+	int	l2_db_size;
+	/* Doorbell BAR size in bytes mapped as non-cacheable. */
+	int	l2_db_size_nc;
+	/* Doorbell offset in bytes within l2_db_size_nc. */
+	int	l2_db_offset;
+
+	u16		chip_num;
+	u16		hw_ring_stats_size;
+	u16		pf_port_id;
+	unsigned long	en_state;
+
+	u16	auxr_num_msix_vec;
+	u16	auxr_num_ctxs;
+
+	/* serialize auxr operations */
+	struct mutex	auxr_dev_lock;
+};
+
+void bnge_rdma_aux_device_uninit(struct bnge_dev *bdev);
+void bnge_rdma_aux_device_del(struct bnge_dev *bdev);
+void bnge_rdma_aux_device_add(struct bnge_dev *bdev);
+void bnge_rdma_aux_device_init(struct bnge_dev *bdev);
+int bnge_register_dev(struct bnge_auxr_dev *adev,
+		      void *handle);
+void bnge_unregister_dev(struct bnge_auxr_dev *adev);
+int bnge_send_msg(struct bnge_auxr_dev *adev, struct bnge_fw_msg *fw_msg);
+
+#endif /* _BNGE_AUXR_H_ */
diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_core.c b/drivers/net/ethernet/broadcom/bnge/bnge_core.c
index 2c72dd34d50d..c94e132bebc8 100644
--- a/drivers/net/ethernet/broadcom/bnge/bnge_core.c
+++ b/drivers/net/ethernet/broadcom/bnge/bnge_core.c
@@ -41,6 +41,11 @@ static void bnge_print_device_info(struct pci_dev *pdev, enum board_idx idx)
 
 bool bnge_aux_registered(struct bnge_dev *bd)
 {
+	struct bnge_auxr_dev *ba_dev = bd->auxr_dev;
+
+	if (ba_dev && ba_dev->auxr_info->msix_requested)
+		return true;
+
 	return false;
 }
 
@@ -312,16 +317,20 @@ static int bnge_probe_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	spin_lock_init(&bd->db_lock);
 #endif
 
+	bnge_rdma_aux_device_init(bd);
+
 	rc = bnge_alloc_irqs(bd);
 	if (rc) {
 		dev_err(&pdev->dev, "Error IRQ allocation rc = %d\n", rc);
-		goto err_config_uninit;
+		goto err_uninit_auxr;
 	}
 
 	rc = bnge_netdev_alloc(bd, max_irqs);
 	if (rc)
 		goto err_free_irq;
 
+	bnge_rdma_aux_device_add(bd);
+
 	pci_save_state(pdev);
 
 	return 0;
@@ -329,6 +338,9 @@ static int bnge_probe_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 err_free_irq:
 	bnge_free_irqs(bd);
 
+err_uninit_auxr:
+	bnge_rdma_aux_device_uninit(bd);
+
 err_config_uninit:
 	bnge_net_uninit_dflt_config(bd);
 
@@ -354,10 +366,14 @@ static void bnge_remove_one(struct pci_dev *pdev)
 {
 	struct bnge_dev *bd = pci_get_drvdata(pdev);
 
+	bnge_rdma_aux_device_del(bd);
+
 	bnge_netdev_free(bd);
 
 	bnge_free_irqs(bd);
 
+	bnge_rdma_aux_device_uninit(bd);
+
 	bnge_net_uninit_dflt_config(bd);
 
 	bnge_devlink_unregister(bd);
diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_hwrm.c b/drivers/net/ethernet/broadcom/bnge/bnge_hwrm.c
index 0f971af24142..c3087e5cd875 100644
--- a/drivers/net/ethernet/broadcom/bnge/bnge_hwrm.c
+++ b/drivers/net/ethernet/broadcom/bnge/bnge_hwrm.c
@@ -98,6 +98,46 @@ void bnge_hwrm_req_alloc_flags(struct bnge_dev *bd, void *req, gfp_t gfp)
 		ctx->gfp = gfp;
 }
 
+int bnge_hwrm_req_replace(struct bnge_dev *bd, void *req, void *new_req,
+			  u32 len)
+{
+	struct bnge_hwrm_ctx *ctx = __hwrm_ctx_get(bd, req);
+	struct input *internal_req = req;
+	u16 req_type;
+
+	if (!ctx)
+		return -EINVAL;
+
+	if (len > BNGE_HWRM_CTX_OFFSET)
+		return -E2BIG;
+
+	/* free any existing slices */
+	ctx->allocated = BNGE_HWRM_DMA_SIZE - BNGE_HWRM_CTX_OFFSET;
+	if (ctx->slice_addr) {
+		dma_free_coherent(bd->dev, ctx->slice_size,
+				  ctx->slice_addr, ctx->slice_handle);
+		ctx->slice_addr = NULL;
+	}
+	ctx->gfp = GFP_KERNEL;
+
+	if ((bd->fw_cap & BNGE_FW_CAP_SHORT_CMD) || len > BNGE_HWRM_MAX_REQ_LEN) {
+		memcpy(internal_req, new_req, len);
+	} else {
+		internal_req->req_type = ((struct input *)new_req)->req_type;
+		ctx->req = new_req;
+	}
+
+	ctx->req_len = len;
+	ctx->req->resp_addr = cpu_to_le64(ctx->dma_handle +
+					  BNGE_HWRM_RESP_OFFSET);
+
+	/* update sentinel for potentially new request type */
+	req_type = le16_to_cpu(internal_req->req_type);
+	ctx->sentinel = bnge_cal_sentinel(ctx, req_type);
+
+	return 0;
+}
+
 void bnge_hwrm_req_flags(struct bnge_dev *bd, void *req,
 			 enum bnge_hwrm_ctx_flags flags)
 {
diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_hwrm.h b/drivers/net/ethernet/broadcom/bnge/bnge_hwrm.h
index 83794a12cc81..6df629761d95 100644
--- a/drivers/net/ethernet/broadcom/bnge/bnge_hwrm.h
+++ b/drivers/net/ethernet/broadcom/bnge/bnge_hwrm.h
@@ -107,4 +107,6 @@ int bnge_hwrm_req_send_silent(struct bnge_dev *bd, void *req);
 void bnge_hwrm_req_alloc_flags(struct bnge_dev *bd, void *req, gfp_t flags);
 void *bnge_hwrm_req_dma_slice(struct bnge_dev *bd, void *req, u32 size,
 			      dma_addr_t *dma);
+int bnge_hwrm_req_replace(struct bnge_dev *bd, void *req, void *new_req,
+			  u32 len);
 #endif /* _BNGE_HWRM_H_ */
diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_resc.c b/drivers/net/ethernet/broadcom/bnge/bnge_resc.c
index 62ebe03a0dcf..943df5f60f01 100644
--- a/drivers/net/ethernet/broadcom/bnge/bnge_resc.c
+++ b/drivers/net/ethernet/broadcom/bnge/bnge_resc.c
@@ -34,6 +34,18 @@ static unsigned int bnge_get_max_func_stat_ctxs(struct bnge_dev *bd)
 	return bd->hw_resc.max_stat_ctxs;
 }
 
+bool bnge_aux_has_enough_resources(struct bnge_dev *bd)
+{
+	unsigned int max_stat_ctxs;
+
+	max_stat_ctxs = bnge_get_max_func_stat_ctxs(bd);
+	if (max_stat_ctxs <= BNGE_MIN_ROCE_STAT_CTXS ||
+	    bd->nq_nr_rings == max_stat_ctxs)
+		return false;
+
+	return true;
+}
+
 static unsigned int bnge_get_max_func_cp_rings(struct bnge_dev *bd)
 {
 	return bd->hw_resc.max_cp_rings;
diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_resc.h b/drivers/net/ethernet/broadcom/bnge/bnge_resc.h
index 0d6213b27580..b62a634669f6 100644
--- a/drivers/net/ethernet/broadcom/bnge/bnge_resc.h
+++ b/drivers/net/ethernet/broadcom/bnge/bnge_resc.h
@@ -74,6 +74,7 @@ void bnge_net_uninit_dflt_config(struct bnge_dev *bd);
 void bnge_aux_init_dflt_config(struct bnge_dev *bd);
 u32 bnge_get_rxfh_indir_size(struct bnge_dev *bd);
 int bnge_cal_nr_rss_ctxs(u16 rx_rings);
+bool bnge_aux_has_enough_resources(struct bnge_dev *bd);
 
 static inline u32
 bnge_adjust_pow_two(u32 total_ent, u16 ent_per_blk)
diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c
index cb1011f6fd30..805daae9dd36 100644
--- a/drivers/net/ethernet/broadcom/bnx2.c
+++ b/drivers/net/ethernet/broadcom/bnx2.c
@@ -6444,7 +6444,6 @@ bnx2_reset_task(struct work_struct *work)
 	if (!(pcicmd & PCI_COMMAND_MEMORY)) {
 		/* in case PCI block has reset */
 		pci_restore_state(bp->pdev);
-		pci_save_state(bp->pdev);
 	}
 	rc = bnx2_init_nic(bp, 1);
 	if (rc) {
@@ -8718,7 +8717,6 @@ static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
 	} else {
 		pci_set_master(pdev);
 		pci_restore_state(pdev);
-		pci_save_state(pdev);
 
 		if (netif_running(dev))
 			err = bnx2_init_nic(bp, 1);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index aca4267babc8..6a1cc2032bf3 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -14216,7 +14216,6 @@ static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
 
 	pci_set_master(pdev);
 	pci_restore_state(pdev);
-	pci_save_state(pdev);
 
 	if (netif_running(dev))
 		bnx2x_set_power_state(bp, PCI_D0);
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index e21f7c6a6de7..75f66587983d 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -18337,7 +18337,6 @@ static pci_ers_result_t tg3_io_slot_reset(struct pci_dev *pdev)
 
 	pci_set_master(pdev);
 	pci_restore_state(pdev);
-	pci_save_state(pdev);
 
 	if (!netdev || !netif_running(netdev)) {
 		rc = PCI_ERS_RESULT_RECOVERED;