linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Mohan Kumar <mohankumar718@gmail.com>
To: ak@it-klinger.de
Cc: jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de,
	pmeerw@pmeerw.net, linux-iio@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH] drivers: iio: proximity: This patch fix the following checkpatch warning.
Date: Wed, 17 Apr 2019 21:15:25 +0300	[thread overview]
Message-ID: <1555524925-15450-1-git-send-email-mohankumar718@gmail.com> (raw)

As per Documentation/timers/timers-howto.txt Msleep < 20ms can sleep for
up to 20ms. so use usleep_range.

Signed-off-by: Mohan Kumar <mohankumar718@gmail.com>
---
 drivers/iio/proximity/mb1232.c | 2 +-
 drivers/iio/proximity/srf08.c  | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/proximity/mb1232.c b/drivers/iio/proximity/mb1232.c
index 166b3e6..74f7eae 100644
--- a/drivers/iio/proximity/mb1232.c
+++ b/drivers/iio/proximity/mb1232.c
@@ -81,7 +81,7 @@ static s16 mb1232_read_distance(struct mb1232_data *data)
 		}
 	} else {
 		/* use simple sleep if announce irq is not connected */
-		msleep(15);
+		usleep_range(15000, 20000);
 	}
 
 	ret = i2c_master_recv(client, (char *)&buf, sizeof(buf));
diff --git a/drivers/iio/proximity/srf08.c b/drivers/iio/proximity/srf08.c
index f2bf783..605a582 100644
--- a/drivers/iio/proximity/srf08.c
+++ b/drivers/iio/proximity/srf08.c
@@ -150,7 +150,7 @@ static int srf08_read_ranging(struct srf08_data *data)
 	 * polling for not more than 20 ms should be enough
 	 */
 	waittime = 1 + data->range_mm / 172;
-	msleep(waittime);
+	usleep_range(waittime * 1000, (waittime * 1000) + 2000);
 	for (i = 0; i < 4; i++) {
 		ret = i2c_smbus_read_byte_data(data->client,
 						SRF08_READ_SW_REVISION);
@@ -158,7 +158,7 @@ static int srf08_read_ranging(struct srf08_data *data)
 		/* check if a valid version number is read */
 		if (ret < 255 && ret > 0)
 			break;
-		msleep(5);
+		usleep_range(5000, 15000);
 	}
 
 	if (ret >= 255 || ret <= 0) {
-- 
2.7.4


             reply	other threads:[~2019-04-17 18:15 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-17 18:15 Mohan Kumar [this message]
2019-04-18 23:23 ` [PATCH] drivers: iio: proximity: This patch fix the following checkpatch warning Matt Ranostay
2019-04-22 10:48   ` Jonathan Cameron
2019-04-24  9:23     ` Matt Ranostay
2019-04-24 12:16       ` Jonathan Cameron

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1555524925-15450-1-git-send-email-mohankumar718@gmail.com \
    --to=mohankumar718@gmail.com \
    --cc=ak@it-klinger.de \
    --cc=jic23@kernel.org \
    --cc=knaack.h@gmx.de \
    --cc=lars@metafoo.de \
    --cc=linux-iio@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=pmeerw@pmeerw.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).