From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 087C7396B73; Tue, 5 May 2026 11:46:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777981562; cv=none; b=Dnwe3L8VhEjeNHQIIHcXvHFRB77wJdVodiLbpo/t5YaPad5FkVZcBbfzMm0d439/aYG5TvF8XkH9nvVeMIGRh00tUPLaDLzlRJQJVDnF8Yi7+0CVN0jPffXVMNeORHAiAi77SlM7atq57B/9ExptGOG9cVxXvZ5M7HTj1E8gE7o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777981562; c=relaxed/simple; bh=IQqw8dqzN87N3kyvLEEH/hIdLkUDhN+PIO0XcgQOetQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ZVvjtHfU0x7H44DJDxem5SoZcm8LL9wXeUPJoFQ5dgVdB7A3YzPrDojVlkUyoD7H2KKKmnKyXWuwYWXEKCzGVx5DYOkIOsS1nk0p2B34Jb0QMy5wBEbiV1V23k80YSK4sOB06iTCo6mMaVwVQucYXQFuqMtsYtpOBG51syDZEZc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qFG3K0de; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="qFG3K0de" Received: by smtp.kernel.org (Postfix) with ESMTPS id CA615C4AF09; Tue, 5 May 2026 11:46:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777981561; bh=IQqw8dqzN87N3kyvLEEH/hIdLkUDhN+PIO0XcgQOetQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=qFG3K0deDUufe7Ch18mPxEFdeX4CQbEdP0ukXDku7VRZdsDISaUKX4PfzIuujk5uZ pMgLkqJ/dF/Lh56b1qRHREuCn79e7zmGiL+XTBO6hjfiIfmQuwPaWhhJSr69WbH1ii NrjYUv1m4fmJvLb34aOHeenpQHOAl5B8IQWWwZVt6qZyoit+/sJwcGJrIW4zRsn+7r tab4wDi1AcSem/9Yns+S2RDW16tfx1Pt4lCCQuuBzKuBIAgQMdmzV1FynNB+t5esAt T0rLG4ViBQTRmuvGIarStGMv4mOvfnWPtUQqkAAetslOlmOpNBZLsHYIiDgOVB91J0 KGimHTv4JDBfA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id BF4CDCD3430; Tue, 5 May 2026 11:46:01 +0000 (UTC) From: Joshua Crofts via B4 Relay Date: Tue, 05 May 2026 13:45:59 +0200 Subject: [PATCH v5 03/18] iio: magnetometer: ak8975: replace usleep_range() with fsleep() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260505-magnetometer-fixes-v5-3-831b9b5550fc@gmail.com> References: <20260505-magnetometer-fixes-v5-0-831b9b5550fc@gmail.com> In-Reply-To: <20260505-magnetometer-fixes-v5-0-831b9b5550fc@gmail.com> To: Jonathan Cameron , David Lechner , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Joshua Crofts X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1777981558; l=1188; i=joshua.crofts1@gmail.com; s=20260422; h=from:subject:message-id; bh=pYNXSLcsScB1UFEjU4yV7Zvmf3IflZ84nydrNj+FmrM=; b=wvpjzx4+gaHs/FYy/Y7NJ62of+Dey/92o5FsA17FklklNFHVdaMH8Lxy/O65/HU3+uEwXljJW DI7Cq5uhJ7jD1QsR24OGh/SpwMqY9G/kipKBhBloPNaIAnKMN+wPLoZ X-Developer-Key: i=joshua.crofts1@gmail.com; a=ed25519; pk=Xd+UVoRPiiI0K3LHQ2XIcXmO0jvVuFTv9eTx3lgBphI= X-Endpoint-Received: by B4 Relay for joshua.crofts1@gmail.com/20260422 with auth_id=746 X-Original-From: Joshua Crofts Reply-To: joshua.crofts1@gmail.com From: Joshua Crofts 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 --- 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