From: <ye.xingchen@zte.com.cn>
To: <jic23@kernel.org>
Cc: <tomasz.duszynski@octakon.com>, <lars@metafoo.de>,
<andriy.shevchenko@linux.intel.com>, <linux-iio@vger.kernel.org>,
<linux-kernel@vger.kernel.org>
Subject: [PATCH] iio: chemical: scd30: Convert to use sysfs_emit_at() API
Date: Wed, 7 Dec 2022 15:36:05 +0800 (CST) [thread overview]
Message-ID: <202212071536050872424@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/chemical/scd30_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/chemical/scd30_core.c b/drivers/iio/chemical/scd30_core.c
index 682fca39d14d..76a48dbdfe2e 100644
--- a/drivers/iio/chemical/scd30_core.c
+++ b/drivers/iio/chemical/scd30_core.c
@@ -354,7 +354,7 @@ static ssize_t sampling_frequency_available_show(struct device *dev, struct devi
ssize_t len = 0;
do {
- len += scnprintf(buf + len, PAGE_SIZE - len, "0.%09u ", 1000000000 / i);
+ len += sysfs_emit_at(buf, len, "0.%09u ", 1000000000 / i);
/*
* Not all values fit PAGE_SIZE buffer hence print every 6th
* (each frequency differs by 6s in time domain from the
--
2.25.1
reply other threads:[~2022-12-07 7:37 UTC|newest]
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