From: <ye.xingchen@zte.com.cn>
To: <jic23@kernel.org>
Cc: <lars@metafoo.de>, <andriy.shevchenko@linux.intel.com>,
<linux-iio@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH] iio: health: afe440x: Convert to use sysfs_emit_at() API
Date: Wed, 7 Dec 2022 15:37:40 +0800 (CST) [thread overview]
Message-ID: <202212071537405832465@zte.com.cn> (raw)
From: ye xingchen <ye.xingchen@zte.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@zte.com.cn>
---
drivers/iio/health/afe440x.h | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/iio/health/afe440x.h b/drivers/iio/health/afe440x.h
index 0adea0047eba..7750b1adc423 100644
--- a/drivers/iio/health/afe440x.h
+++ b/drivers/iio/health/afe440x.h
@@ -122,9 +122,7 @@ static ssize_t _name ## _show(struct device *dev, \
int i; \
\
for (i = 0; i < ARRAY_SIZE(_table); i++) \
- len += scnprintf(buf + len, PAGE_SIZE - len, "%d.%06u ", \
- _table[i].integer, \
- _table[i].fract); \
+ len += sysfs_emit_at(buf, len, "%d.%06u ", _table[i].integer, _table[i].fract); \
\
buf[len - 1] = '\n'; \
\
--
2.25.1
next reply other threads:[~2022-12-07 7:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-07 7:37 ye.xingchen [this message]
2022-12-11 12:10 ` [PATCH] iio: health: afe440x: Convert to use sysfs_emit_at() API Jonathan Cameron
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