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authorHuazhong Tan <tanhuazhong@huawei.com>2018-06-28 12:12:29 +0800
committerDavid S. Miller <davem@davemloft.net>2018-06-29 11:06:34 +0900
commitab68059e15d7a05d162716fc0b3ca04b7df46c65 (patch)
treed09e0d75355d29001c295bb3ecdcc48dee383134 /drivers/net/ethernet/hisilicon
parentnet: hns3: remove back in struct hclge_hw (diff)
downloadlinux-dev-ab68059e15d7a05d162716fc0b3ca04b7df46c65.tar.xz
linux-dev-ab68059e15d7a05d162716fc0b3ca04b7df46c65.zip
net: hns3: use lower_32_bits and upper_32_bits
MACRO lower_32_bits and upper_32_bits can help to get bits 0-31 and bits 32-63 of a number, so just use it. Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/hisilicon')
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
index 7049d0bc72ac..383ecf036e31 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
@@ -123,9 +123,9 @@ static void hclge_cmd_config_regs(struct hclge_cmq_ring *ring)
if (ring->flag == HCLGE_TYPE_CSQ) {
hclge_write_dev(hw, HCLGE_NIC_CSQ_BASEADDR_L_REG,
- (u32)dma);
+ lower_32_bits(dma));
hclge_write_dev(hw, HCLGE_NIC_CSQ_BASEADDR_H_REG,
- (u32)((dma >> 31) >> 1));
+ upper_32_bits(dma));
hclge_write_dev(hw, HCLGE_NIC_CSQ_DEPTH_REG,
(ring->desc_num >> HCLGE_NIC_CMQ_DESC_NUM_S) |
HCLGE_NIC_CMQ_ENABLE);
@@ -133,9 +133,9 @@ static void hclge_cmd_config_regs(struct hclge_cmq_ring *ring)
hclge_write_dev(hw, HCLGE_NIC_CSQ_HEAD_REG, 0);
} else {
hclge_write_dev(hw, HCLGE_NIC_CRQ_BASEADDR_L_REG,
- (u32)dma);
+ lower_32_bits(dma));
hclge_write_dev(hw, HCLGE_NIC_CRQ_BASEADDR_H_REG,
- (u32)((dma >> 31) >> 1));
+ upper_32_bits(dma));
hclge_write_dev(hw, HCLGE_NIC_CRQ_DEPTH_REG,
(ring->desc_num >> HCLGE_NIC_CMQ_DESC_NUM_S) |
HCLGE_NIC_CMQ_ENABLE);