linux-kernel - [PATCH net-next 4/7] net: hns3: remove unused field 'io_base' in struct hns3_enet

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Message-ID: <1599533994-32744-5-git-send-email-tanhuazhong@huawei.com>
Date:   Tue, 8 Sep 2020 10:59:51 +0800
From:   Huazhong Tan <tanhuazhong@...wei.com>
To:     <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <salil.mehta@...wei.com>, <yisen.zhuang@...wei.com>,
        <linuxarm@...wei.com>, <kuba@...nel.org>,
        Huazhong Tan <tanhuazhong@...wei.com>
Subject: [PATCH net-next 4/7] net: hns3: remove unused field 'io_base' in struct hns3_enet_ring

'io_base' has been defined and initialized, but never used,
so remove it.

Signed-off-by: Huazhong Tan <tanhuazhong@...wei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 2 --
 drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 1 -
 2 files changed, 3 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 47ab2a5..1d66f84 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -3670,12 +3670,10 @@ static void hns3_ring_get_cfg(struct hnae3_queue *q, struct hns3_nic_priv *priv,
 		ring = &priv->ring[q->tqp_index];
 		desc_num = priv->ae_handle->kinfo.num_tx_desc;
 		ring->queue_index = q->tqp_index;
-		ring->io_base = (u8 __iomem *)q->io_base + HNS3_TX_REG_OFFSET;
 	} else {
 		ring = &priv->ring[q->tqp_index + queue_num];
 		desc_num = priv->ae_handle->kinfo.num_rx_desc;
 		ring->queue_index = q->tqp_index;
-		ring->io_base = q->io_base;
 	}
 
 	hnae3_set_bit(ring->flag, HNAE3_RING_TYPE_B, ring_type);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
index 9922c5f..0c146e7 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
@@ -380,7 +380,6 @@ struct ring_stats {
 };
 
 struct hns3_enet_ring {
-	u8 __iomem *io_base; /* base io address for the ring */
 	struct hns3_desc *desc; /* dma map address space */
 	struct hns3_desc_cb *desc_cb;
 	struct hns3_enet_ring *next;
-- 
2.7.4