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Date: Thu, 8 Dec 2022 15:23:27 +0800 (CST)
From: <ye.xingchen@....com.cn>
To: <kuba@...nel.org>
Cc: <ecree.xilinx@...il.com>, <habetsm.xilinx@...il.com>,
<davem@...emloft.net>, <edumazet@...gle.com>, <pabeni@...hat.com>,
<wangxiang@...rlc.com>, <dossche.niels@...il.com>,
<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH net-next] sfc: Convert to use sysfs_emit_at() API
From: ye xingchen <ye.xingchen@....com.cn>
Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the
value to be returned to user space.
Signed-off-by: ye xingchen <ye.xingchen@....com.cn>
---
drivers/net/ethernet/sfc/mcdi.c | 14 ++++----------
drivers/net/ethernet/sfc/siena/mcdi.c | 14 ++++----------
2 files changed, 8 insertions(+), 20 deletions(-)
diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c
index af338208eae9..73269db3ca39 100644
--- a/drivers/net/ethernet/sfc/mcdi.c
+++ b/drivers/net/ethernet/sfc/mcdi.c
@@ -210,14 +210,10 @@ static void efx_mcdi_send_request(struct efx_nic *efx, unsigned cmd,
* progress on a NIC at any one time. So no need for locking.
*/
for (i = 0; i < hdr_len / 4 && bytes < PAGE_SIZE; i++)
- bytes += scnprintf(buf + bytes, PAGE_SIZE - bytes,
- " %08x",
- le32_to_cpu(hdr[i].u32[0]));
+ bytes += sysfs_emit_at(buf, bytes, " %08x", le32_to_cpu(hdr[i].u32[0]));
for (i = 0; i < inlen / 4 && bytes < PAGE_SIZE; i++)
- bytes += scnprintf(buf + bytes, PAGE_SIZE - bytes,
- " %08x",
- le32_to_cpu(inbuf[i].u32[0]));
+ bytes += sysfs_emit_at(buf, bytes, " %08x", le32_to_cpu(inbuf[i].u32[0]));
netif_info(efx, hw, efx->net_dev, "MCDI RPC REQ:%s\n", buf);
}
@@ -302,15 +298,13 @@ static void efx_mcdi_read_response_header(struct efx_nic *efx)
*/
for (i = 0; i < hdr_len && bytes < PAGE_SIZE; i++) {
efx->type->mcdi_read_response(efx, &hdr, (i * 4), 4);
- bytes += scnprintf(buf + bytes, PAGE_SIZE - bytes,
- " %08x", le32_to_cpu(hdr.u32[0]));
+ bytes += sysfs_emit_at(buf, bytes, " %08x", le32_to_cpu(hdr.u32[0]));
}
for (i = 0; i < data_len && bytes < PAGE_SIZE; i++) {
efx->type->mcdi_read_response(efx, &hdr,
mcdi->resp_hdr_len + (i * 4), 4);
- bytes += scnprintf(buf + bytes, PAGE_SIZE - bytes,
- " %08x", le32_to_cpu(hdr.u32[0]));
+ bytes += sysfs_emit_at(buf, bytes, " %08x", le32_to_cpu(hdr.u32[0]));
}
netif_info(efx, hw, efx->net_dev, "MCDI RPC RESP:%s\n", buf);
diff --git a/drivers/net/ethernet/sfc/siena/mcdi.c b/drivers/net/ethernet/sfc/siena/mcdi.c
index 3f7899daa86a..4e10d4594c3a 100644
--- a/drivers/net/ethernet/sfc/siena/mcdi.c
+++ b/drivers/net/ethernet/sfc/siena/mcdi.c
@@ -213,14 +213,10 @@ static void efx_mcdi_send_request(struct efx_nic *efx, unsigned cmd,
* progress on a NIC at any one time. So no need for locking.
*/
for (i = 0; i < hdr_len / 4 && bytes < PAGE_SIZE; i++)
- bytes += scnprintf(buf + bytes, PAGE_SIZE - bytes,
- " %08x",
- le32_to_cpu(hdr[i].u32[0]));
+ bytes += sysfs_emit_at(buf, bytes, " %08x", le32_to_cpu(hdr[i].u32[0]));
for (i = 0; i < inlen / 4 && bytes < PAGE_SIZE; i++)
- bytes += scnprintf(buf + bytes, PAGE_SIZE - bytes,
- " %08x",
- le32_to_cpu(inbuf[i].u32[0]));
+ bytes += sysfs_emit_at(buf, bytes, " %08x", le32_to_cpu(inbuf[i].u32[0]));
netif_info(efx, hw, efx->net_dev, "MCDI RPC REQ:%s\n", buf);
}
@@ -305,15 +301,13 @@ static void efx_mcdi_read_response_header(struct efx_nic *efx)
*/
for (i = 0; i < hdr_len && bytes < PAGE_SIZE; i++) {
efx->type->mcdi_read_response(efx, &hdr, (i * 4), 4);
- bytes += scnprintf(buf + bytes, PAGE_SIZE - bytes,
- " %08x", le32_to_cpu(hdr.u32[0]));
+ bytes += sysfs_emit_at(buf, bytes, " %08x", le32_to_cpu(hdr.u32[0]));
}
for (i = 0; i < data_len && bytes < PAGE_SIZE; i++) {
efx->type->mcdi_read_response(efx, &hdr,
mcdi->resp_hdr_len + (i * 4), 4);
- bytes += scnprintf(buf + bytes, PAGE_SIZE - bytes,
- " %08x", le32_to_cpu(hdr.u32[0]));
+ bytes += sysfs_emit_at(buf, bytes, " %08x", le32_to_cpu(hdr.u32[0]));
}
netif_info(efx, hw, efx->net_dev, "MCDI RPC RESP:%s\n", buf);
--
2.25.1
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