[PATCH 5.15 082/164] net: hns3: remove the way to set tx spare buf via module parameter

Sasha Levin
2026-02-28T18:16:14Z

From: Hao Chen <chenhao288@hisilicon.com>

[ Upstream commit e175eb5fb05462398452e31df5019d780badf45d ]

The way to set tx spare buf via module parameter is not such
convenient as the way to set it via ethtool.

So,remove the way to set tx spare buf via module parameter.

Signed-off-by: Hao Chen <chenhao288@hisilicon.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: 6d2f142b1e4b ("net: hns3: fix double free issue for tx spare buffer")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 84c724df2e405..5d410eacce081 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -53,10 +53,6 @@ static int debug = -1;
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, " Network interface message level setting");

-static unsigned int tx_spare_buf_size;
-module_param(tx_spare_buf_size, uint, 0400);
-MODULE_PARM_DESC(tx_spare_buf_size, "Size used to allocate tx spare buffer");
-
static unsigned int tx_sgl = 1;
module_param(tx_sgl, uint, 0600);
MODULE_PARM_DESC(tx_sgl, "Minimum number of frags when using dma_map_sg() to optimize the IOMMU mapping");
@@ -1044,8 +1040,7 @@ static void hns3_init_tx_spare_buffer(struct hns3_enet_ring *ring)
dma_addr_t dma;
int order;

- alloc_size = tx_spare_buf_size ? tx_spare_buf_size :
- ring->tqp->handle->kinfo.tx_spare_buf_size;
+ alloc_size = ring->tqp->handle->kinfo.tx_spare_buf_size;
if (!alloc_size)
return;

--
2.51.0