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Subject[PATCH] fpga: use sysfs emit() to instead of scnprintf()
From: ye xingchen <ye.xingchen@zte.com.cn>

Replace the open-code with sysfs_emit() to simplify the code.

Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
---
drivers/fpga/dfl-afu-main.c | 4 ++--
drivers/fpga/dfl-fme-main.c | 6 +++---
2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/fpga/dfl-afu-main.c b/drivers/fpga/dfl-afu-main.c
index 7f621e96d3b8..454fd4853000 100644
--- a/drivers/fpga/dfl-afu-main.c
+++ b/drivers/fpga/dfl-afu-main.c
@@ -155,7 +155,7 @@ id_show(struct device *dev, struct device_attribute *attr, char *buf)
{
int id = port_get_id(to_platform_device(dev));

- return scnprintf(buf, PAGE_SIZE, "%d\n", id);
+ return sysfs_emit(buf, "%d\n", id);
}
static DEVICE_ATTR_RO(id);

@@ -472,7 +472,7 @@ afu_id_show(struct device *dev, struct device_attribute *attr, char *buf)
guidh = readq(base + GUID_H);
mutex_unlock(&pdata->lock);

- return scnprintf(buf, PAGE_SIZE, "%016llx%016llx\n", guidh, guidl);
+ return sysfs_emit(buf, "%016llx%016llx\n", guidh, guidl);
}
static DEVICE_ATTR_RO(afu_id);

diff --git a/drivers/fpga/dfl-fme-main.c b/drivers/fpga/dfl-fme-main.c
index 77ea04d4edbe..50e1ed69b811 100644
--- a/drivers/fpga/dfl-fme-main.c
+++ b/drivers/fpga/dfl-fme-main.c
@@ -34,7 +34,7 @@ static ssize_t ports_num_show(struct device *dev,

v = readq(base + FME_HDR_CAP);

- return scnprintf(buf, PAGE_SIZE, "%u\n",
+ return sysfs_emit(buf, "%u\n",
(unsigned int)FIELD_GET(FME_CAP_NUM_PORTS, v));
}
static DEVICE_ATTR_RO(ports_num);
@@ -53,7 +53,7 @@ static ssize_t bitstream_id_show(struct device *dev,

v = readq(base + FME_HDR_BITSTREAM_ID);

- return scnprintf(buf, PAGE_SIZE, "0x%llx\n", (unsigned long long)v);
+ return sysfs_emit(buf, "0x%llx\n", (unsigned long long)v);
}
static DEVICE_ATTR_RO(bitstream_id);

@@ -71,7 +71,7 @@ static ssize_t bitstream_metadata_show(struct device *dev,

v = readq(base + FME_HDR_BITSTREAM_MD);

- return scnprintf(buf, PAGE_SIZE, "0x%llx\n", (unsigned long long)v);
+ return sysfs_emit(buf, "0x%llx\n", (unsigned long long)v);
}
static DEVICE_ATTR_RO(bitstream_metadata);

--
2.25.1
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