From patchwork Sun Sep 26 14:02:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 12518281 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E45CCC433EF for ; Sun, 26 Sep 2021 14:02:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B986860F9C for ; Sun, 26 Sep 2021 14:02:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231799AbhIZOEU (ORCPT ); Sun, 26 Sep 2021 10:04:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:33592 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231743AbhIZOET (ORCPT ); Sun, 26 Sep 2021 10:04:19 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0163260F39; Sun, 26 Sep 2021 14:02:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1632664963; bh=v6jUXK8LEi4+BnA+yFWn/vVEN40DtA1tULZZTGjUji4=; h=From:To:Cc:Subject:Date:From; b=YaGSDxAVst58dDMpKg5/fOPp2dDA7mGPRJjRfQJjfOP4WT61HLTn5uW9mKV8KciCY Gxvhn1EKwLwYvMy3oT3cfSiiuhL+Xk+1oT/ghxutjvs/BpPO1QdYDEF2vNzBrlnmpw AqnCUQGyTyXwxGSKnu71BLZ4cc9oRTOGVNERUaOT2QaqNnkMhSPUa63IM76K9Fyxr/ vzwAoQTVBs7FRoFr5Wjb849Zi9Ci5Rf2MXXT4sOaRYBmIYyo24sJmMBL5ja5cIUWHR ZMLMjs8jl9AV5Bg3dhz7NfkOL5fbL85ckeVoiQ999ozsnCC2x18Q/vjUlxdwGaG0Jh e9NcoaJ9RbEfg== From: Lorenzo Bianconi To: jic23@kernel.org Cc: linux-iio@vger.kernel.org, lorenzo.bianconi@redhat.com Subject: [PATCH v2] iio: imu: st_lsm6dsx: move max_fifo_size in st_lsm6dsx_fifo_ops Date: Sun, 26 Sep 2021 16:02:30 +0200 Message-Id: <3262ad9d9d1497e19ea1bab208c495c2b9a98994.1632664866.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Move max_fifo_size in st_lsm6dsx_fifo_ops in order to have all FIFO configuration parameters in st_lsm6dsx_fifo_ops structure. This patch does not introduce any logic change, just small code rearrangement. Signed-off-by: Lorenzo Bianconi --- Changes since v1: - improve commit message. --- drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h | 4 ++-- drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 16 +++++++++------- 2 files changed, 11 insertions(+), 9 deletions(-) diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h index 5ef55763a6cc..6ac4eac36458 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h @@ -143,6 +143,7 @@ struct st_lsm6dsx_fs_table_entry { * @read_fifo: Read FIFO callback. * @fifo_th: FIFO threshold register info (addr + mask). * @fifo_diff: FIFO diff status register info (addr + mask). + * @max_size: Sensor max fifo length in FIFO words. * @th_wl: FIFO threshold word length. */ struct st_lsm6dsx_fifo_ops { @@ -156,6 +157,7 @@ struct st_lsm6dsx_fifo_ops { u8 addr; u16 mask; } fifo_diff; + u16 max_size; u8 th_wl; }; @@ -271,7 +273,6 @@ struct st_lsm6dsx_ext_dev_settings { * @reset: register address for reset. * @boot: register address for boot. * @bdu: register address for Block Data Update. - * @max_fifo_size: Sensor max fifo length in FIFO words. * @id: List of hw id/device name supported by the driver configuration. * @channels: IIO channels supported by the device. * @irq_config: interrupts related registers. @@ -288,7 +289,6 @@ struct st_lsm6dsx_settings { struct st_lsm6dsx_reg reset; struct st_lsm6dsx_reg boot; struct st_lsm6dsx_reg bdu; - u16 max_fifo_size; struct { enum st_lsm6dsx_hw_id hw_id; const char *name; diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c index db45f1fc0b81..0f54df85134a 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c @@ -102,7 +102,6 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .addr = 0x22, .mask = BIT(6), }, - .max_fifo_size = 32, .id = { { .hw_id = ST_LSM9DS1_ID, @@ -194,6 +193,9 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .mask = BIT(4), }, }, + .fifo_ops = { + .max_size = 32, + }, }, { .reset = { @@ -208,7 +210,6 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .addr = 0x12, .mask = BIT(6), }, - .max_fifo_size = 1365, .id = { { .hw_id = ST_LSM6DS3_ID, @@ -329,6 +330,7 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .addr = 0x3a, .mask = GENMASK(11, 0), }, + .max_size = 1365, .th_wl = 3, /* 1LSB = 2B */ }, .ts_settings = { @@ -374,7 +376,6 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .addr = 0x12, .mask = BIT(6), }, - .max_fifo_size = 682, .id = { { .hw_id = ST_LSM6DS3H_ID, @@ -495,6 +496,7 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .addr = 0x3a, .mask = GENMASK(11, 0), }, + .max_size = 682, .th_wl = 3, /* 1LSB = 2B */ }, .ts_settings = { @@ -540,7 +542,6 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .addr = 0x12, .mask = BIT(6), }, - .max_fifo_size = 682, .id = { { .hw_id = ST_LSM6DSL_ID, @@ -677,6 +678,7 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .addr = 0x3a, .mask = GENMASK(10, 0), }, + .max_size = 682, .th_wl = 3, /* 1LSB = 2B */ }, .ts_settings = { @@ -759,7 +761,6 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .addr = 0x12, .mask = BIT(6), }, - .max_fifo_size = 512, .id = { { .hw_id = ST_LSM6DSR_ID, @@ -910,6 +911,7 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .addr = 0x3a, .mask = GENMASK(9, 0), }, + .max_size = 512, .th_wl = 1, }, .ts_settings = { @@ -984,7 +986,6 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .addr = 0x12, .mask = BIT(6), }, - .max_fifo_size = 512, .id = { { .hw_id = ST_ASM330LHH_ID, @@ -1119,6 +1120,7 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .addr = 0x3a, .mask = GENMASK(9, 0), }, + .max_size = 512, .th_wl = 1, }, .ts_settings = { @@ -1603,7 +1605,7 @@ int st_lsm6dsx_set_watermark(struct iio_dev *iio_dev, unsigned int val) struct st_lsm6dsx_hw *hw = sensor->hw; int err; - if (val < 1 || val > hw->settings->max_fifo_size) + if (val < 1 || val > hw->settings->fifo_ops.max_size) return -EINVAL; mutex_lock(&hw->conf_lock);