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 0C47038838E; Mon, 4 May 2026 09:48:34 +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=1777888115; cv=none; b=K550qWnJh2VdJniWlOgUAFmka1rKZo5yo5zpHsGvD/4ER6Vd3lZHa5Uy7DX88i67ZeWRXDyaFNvsV0YyqqbAde+UpShreqGGkZPuXYI6Kq4QQUEY7r2lwrMM/KbeWOtJNRU10xarnLUjbjd4yXT76loM/90daCvVkpZ8fbvPIYE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777888115; c=relaxed/simple; bh=IQqw8dqzN87N3kyvLEEH/hIdLkUDhN+PIO0XcgQOetQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=qRiU1qTgSCFAw0rpx4eUhvndnoBNOxg6itrZh/HWhaC7QMTo5E7MsU1QLt+6XEj9V1CpTLVhHLUFC8kwxgt9GSW1X0Lz/dC0Iu9PjYAJ4+le3p0n1JEjz/4JuplRp2cLhL+gWXaXUaqQdufr9JeZzzpm7n3TNQiTPJ6fiWuloGI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VlOqoF2x; 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="VlOqoF2x" Received: by smtp.kernel.org (Postfix) with ESMTPS id BC52DC2BCF5; Mon, 4 May 2026 09:48:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777888114; bh=IQqw8dqzN87N3kyvLEEH/hIdLkUDhN+PIO0XcgQOetQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=VlOqoF2xHEzghd99DccqGyCKJVlh4eJL0sZxC56EPs5WtXCOKrd4swaJZkL3wmiTN f33MP6kQr62tPA/UBjR0D/DgjF7AOSMfDvU+I7sKDVCEqX4UUaAFw9+TDJGXFmx0+T BxEM9kWpu44Psyns6vrICVXNil2htRfp9sb7cey4KfQJWGzUinqZfvQF/U680Ffh2Y VJYjXePCUYP7e49QxVeOBStpI1a6dKFriGVZB2BsZgikl4ptQqJMG3xdzFCXGuItOq kJ8yK7b5K/SYjSb9JgvGVgIj/q+EWKBf5rooAcW22GlvFM5s/5HEkskdQUQw6D5aYD M8OQw0pZDno6A== 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 B3B16CD3430; Mon, 4 May 2026 09:48:34 +0000 (UTC) From: Joshua Crofts via B4 Relay Date: Mon, 04 May 2026 11:48:15 +0200 Subject: [PATCH v4 03/17] 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: <20260504-magnetometer-fixes-v4-3-a291c2a7c71a@gmail.com> References: <20260504-magnetometer-fixes-v4-0-a291c2a7c71a@gmail.com> In-Reply-To: <20260504-magnetometer-fixes-v4-0-a291c2a7c71a@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=1777888111; l=1188; i=joshua.crofts1@gmail.com; s=20260422; h=from:subject:message-id; bh=pYNXSLcsScB1UFEjU4yV7Zvmf3IflZ84nydrNj+FmrM=; b=kdSsSuCWY1z/qJqtyJXW2Q6dxOy7BKEipYDgYV/AEIYkLhgB/KS9PsBNQ0WHoG3Wdusn3ra4Z o8vIWwb6VZ1Afn3qXEoiDz7PRAiTaKcLgaEKXWnirZljidtmii020NI 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