From: Joshua Crofts via B4 Relay <devnull+joshua.crofts1.gmail.com@kernel.org>
To: "Jonathan Cameron" <jic23@kernel.org>,
"David Lechner" <dlechner@baylibre.com>,
"Nuno Sá" <nuno.sa@analog.com>,
"Andy Shevchenko" <andy@kernel.org>
Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org,
Joshua Crofts <joshua.crofts1@gmail.com>
Subject: [PATCH v5 03/18] iio: magnetometer: ak8975: replace usleep_range() with fsleep()
Date: Tue, 05 May 2026 13:45:59 +0200 [thread overview]
Message-ID: <20260505-magnetometer-fixes-v5-3-831b9b5550fc@gmail.com> (raw)
In-Reply-To: <20260505-magnetometer-fixes-v5-0-831b9b5550fc@gmail.com>
From: Joshua Crofts <joshua.crofts1@gmail.com>
Replace usleep_range() calls with fsleep(), passing the minimum value
required by the sensor for hardware delays.
fsleep() automatically selects the optimal sleep mechanism, simplifying
driver code and time management.
Signed-off-by: Joshua Crofts <joshua.crofts1@gmail.com>
---
drivers/iio/magnetometer/ak8975.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
index dac0a90c33eebd43f8aeed846c9cbf5fd1a6ab91..a84a05a1b64280e26c428e9752a39380e386c234 100644
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -461,7 +461,8 @@ static int ak8975_power_on(const struct ak8975_data *data)
* and the minimum wait time before mode setting is 100us, in
* total 300us. Add some margin and say minimum 500us here.
*/
- usleep_range(500, 1000);
+ fsleep(500);
+
return 0;
}
@@ -551,7 +552,7 @@ static int ak8975_set_mode(struct ak8975_data *data, enum ak_ctrl_mode mode)
data->cntl_cache = regval;
/* After mode change wait at least 100us */
- usleep_range(100, 500);
+ fsleep(100);
return 0;
}
--
2.47.3
next prev parent reply other threads:[~2026-05-05 11:46 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-05 11:45 [PATCH v5 00/18] iio: magnetometer: ak8975: modernize and cleanup driver Joshua Crofts via B4 Relay
2026-05-05 11:45 ` [PATCH v5 01/18] iio: magnetometer: ak8975: sort headers alphabetically Joshua Crofts via B4 Relay
2026-05-05 23:46 ` Maxwell Doose
2026-05-06 16:36 ` Jonathan Cameron
2026-05-05 11:45 ` [PATCH v5 02/18] iio: magnetometer: ak8975: update headers per IWYU principle Joshua Crofts via B4 Relay
2026-05-06 0:38 ` Maxwell Doose
2026-05-06 16:37 ` Jonathan Cameron
2026-05-05 11:45 ` Joshua Crofts via B4 Relay [this message]
2026-05-05 20:30 ` [PATCH v5 03/18] iio: magnetometer: ak8975: replace usleep_range() with fsleep() Maxwell Doose
2026-05-05 21:26 ` Joshua Crofts
2026-05-05 21:42 ` Maxwell Doose
2026-05-05 21:59 ` Joshua Crofts
2026-05-05 22:12 ` Maxwell Doose
2026-05-06 6:19 ` Andy Shevchenko
2026-05-06 6:35 ` Maxwell Doose
2026-05-06 16:39 ` Jonathan Cameron
2026-05-05 11:46 ` [PATCH v5 04/18] iio: magnetometer: ak8975: change 'u8*' to 'u8 *' in cast Joshua Crofts via B4 Relay
2026-05-06 0:47 ` Maxwell Doose
2026-05-06 6:30 ` Andy Shevchenko
2026-05-06 16:40 ` Jonathan Cameron
2026-05-05 11:46 ` [PATCH v5 05/18] iio: magnetometer: ak8975: fix wrong errno on return Joshua Crofts via B4 Relay
2026-05-06 16:41 ` Jonathan Cameron
2026-05-05 11:46 ` [PATCH v5 06/18] iio: magnetometer: ak8975: pass conversion timeouts as arguments Joshua Crofts via B4 Relay
2026-05-06 6:34 ` Andy Shevchenko
2026-05-06 7:02 ` Joshua Crofts
2026-05-06 7:20 ` Andy Shevchenko
2026-05-06 7:28 ` Joshua Crofts
2026-05-06 7:32 ` Andy Shevchenko
2026-05-06 16:51 ` Jonathan Cameron
2026-05-05 11:46 ` [PATCH v5 07/18] iio: magnetometer: ak8975: modernize polling loops with iopoll() macros Joshua Crofts via B4 Relay
2026-05-06 6:53 ` Andy Shevchenko
2026-05-06 7:01 ` Joshua Crofts
2026-05-06 10:50 ` Joshua Crofts
2026-05-06 13:08 ` Andy Shevchenko
2026-05-06 16:52 ` Jonathan Cameron
2026-05-05 11:46 ` [PATCH v5 08/18] iio: magnetometer: ak8975: check if gpiod read was successful Joshua Crofts via B4 Relay
2026-05-06 1:09 ` Maxwell Doose
2026-05-06 1:42 ` Maxwell Doose
2026-05-06 7:11 ` Andy Shevchenko
2026-05-06 7:13 ` Maxwell Doose
2026-05-06 7:16 ` Andy Shevchenko
2026-05-06 7:21 ` Maxwell Doose
2026-05-06 7:31 ` Joshua Crofts
2026-05-06 7:05 ` Joshua Crofts
2026-05-06 16:48 ` Jonathan Cameron
2026-05-06 7:07 ` Andy Shevchenko
2026-05-06 7:11 ` Maxwell Doose
2026-05-06 6:53 ` Andy Shevchenko
2026-05-06 7:07 ` Joshua Crofts
2026-05-05 11:46 ` [PATCH v5 09/18] iio: magnetometer: ak8975: avoid using temporary variable Joshua Crofts via B4 Relay
2026-05-06 16:54 ` Jonathan Cameron
2026-05-05 11:46 ` [PATCH v5 10/18] iio: magnetometer: ak8975: drop duplicate NULL check Joshua Crofts via B4 Relay
2026-05-06 16:55 ` Jonathan Cameron
2026-05-05 11:46 ` [PATCH v5 11/18] iio: magnetometer: ak8975: remove duplicate error message Joshua Crofts via B4 Relay
2026-05-06 16:56 ` Jonathan Cameron
2026-05-05 11:46 ` [PATCH v5 12/18] iio: magnetometer: ak8975: reduce usage of magic lengths of the buffer Joshua Crofts via B4 Relay
2026-05-06 16:56 ` Jonathan Cameron
2026-05-05 11:46 ` [PATCH v5 13/18] iio: magnetometer: ak8975: unify return code variable name Joshua Crofts via B4 Relay
2026-05-06 16:57 ` Jonathan Cameron
2026-05-05 11:46 ` [PATCH v5 14/18] iio: magnetometer: ak8975: switch to using managed resources Joshua Crofts via B4 Relay
2026-05-05 14:34 ` Joshua Crofts
2026-05-06 8:21 ` Andy Shevchenko
2026-05-06 17:09 ` Jonathan Cameron
2026-05-07 9:19 ` Joshua Crofts
2026-05-07 10:09 ` Andy Shevchenko
2026-05-07 10:14 ` Joshua Crofts
2026-05-07 12:11 ` Andy Shevchenko
2026-05-07 12:24 ` Joshua Crofts
2026-05-05 11:46 ` [PATCH v5 15/18] iio: magnetometer: ak8975: consistently use 'data' parameter Joshua Crofts via B4 Relay
2026-05-05 11:46 ` [PATCH v5 16/18] iio: magnetometer: ak8975: unify messages with help of dev_err_probe() Joshua Crofts via B4 Relay
2026-05-05 11:46 ` [PATCH v5 17/18] iio: magnetometer: ak8975: use temporary variable for struct device Joshua Crofts via B4 Relay
2026-05-05 11:46 ` [PATCH v5 18/18] iio: magnetometer: ak8975: make use of the macros from bits.h Joshua Crofts via B4 Relay
2026-05-06 17:12 ` Jonathan Cameron
2026-05-06 21:25 ` Andy Shevchenko
2026-05-07 10:06 ` Joshua Crofts
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