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 DB4D9372695; Mon, 11 May 2026 11:26:19 +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=1778498779; cv=none; b=PXLQo6zbCzltkQDvuIT1lS/Kyb6N8pz9tD/zO1Npxzvvi1WJVb2OzOwuYrBlDFGtwKhRdTTcIHL4Hs5jvGgXtmfMdx38YgkpXug2f/5KT36hgCaEsVH0gqAFOLlYLBcIl9XlDKyW9przGky/hR6s02KV3p89tIsFD7T/Ww0sOb0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778498779; c=relaxed/simple; bh=jHOmNy9QRgGeGRnT67TIWVJvaSpnz6JAxKIHNwnXbcY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=LIWfDz8i2gHXUk+Vs+Hs8paybxTphJSN1uhQME3gSlW+pUGCiDBYLObcn1QPkr1uZx3WHBCARbXRuT5sq01s2BdM0jWBlBuvr2UrPT2tU+BjfnGhaNqALFEHNf6dmPAqJFBS/Eid6KZ+uu9+23vuT4RT9q5kQ7yBJufM+8TEpbE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=fuXxoweu; 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="fuXxoweu" Received: by smtp.kernel.org (Postfix) with ESMTPS id B9FDEC4AF0C; Mon, 11 May 2026 11:26:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778498779; bh=jHOmNy9QRgGeGRnT67TIWVJvaSpnz6JAxKIHNwnXbcY=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=fuXxoweu1ZFxGiXqc51Md1YxbzKlVqAfgDV4r+B3wdG2WRgF2RSLIoM0kZ9bl2MSQ SzDJw+vV1SRQD+GjxyDEicZ0NxDDYojpHVyTwMFjnMws6d0e+CQ4DDpUTRsvWQ0JkH 6tr3n5MaTZyia0xFEKbTpTg2Y1PMOBYJlSHJ8Y/7Mgaf+G8ZbTm/90GVo9Ap8/czGq WiI9/dvjRHRWjSfWVNvDADlxwB4rkOKqsuTLbalzKhIMDgQnWMt+Vhy21Js8AJVzpP IhAInj2m8kY0RP6+jVDD4hMaILmCtZ4gP7U2NnGQQhe5wpPTG4w/W6OyPNObqAGXjA VNQFvRE7wP8/Q== 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 B155FCD37AC; Mon, 11 May 2026 11:26:19 +0000 (UTC) From: Joshua Crofts via B4 Relay Date: Mon, 11 May 2026 13:26:15 +0200 Subject: [PATCH v7 6/8] iio: magnetometer: ak8975: use temporary variable for struct device Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20260511-magnetometer-fixes-post-pickup-v7-6-9d910faa28b6@gmail.com> References: <20260511-magnetometer-fixes-post-pickup-v7-0-9d910faa28b6@gmail.com> In-Reply-To: <20260511-magnetometer-fixes-post-pickup-v7-0-9d910faa28b6@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 , Andy Shevchenko X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1778498777; l=8291; i=joshua.crofts1@gmail.com; s=20260422; h=from:subject:message-id; bh=PY+9jDzJWWLpMYvAV7XSLzvkCn5i/WGCjKP/BAdYNTs=; b=HbGuwCU+KC1z1w1YyL6YhgLskLX2TtsyRuN4XN7tTfSk6PPOr0jlR4aJG9YRqTjSlbnRDCRFX fpYBReZkHifAdUhBjL2JOVQUhOgnES1LhB/YVbwHl1AZgnzNMmy6nwS 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: Andy Shevchenko Use temporary variable for struct device to make code neater. Signed-off-by: Andy Shevchenko Reviewed-by: Nuno Sá Signed-off-by: Joshua Crofts --- drivers/iio/magnetometer/ak8975.c | 63 +++++++++++++++++++-------------------- 1 file changed, 31 insertions(+), 32 deletions(-) diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index 2f1442e71607873e869351c379a40dae713a1c84..2267928a136912c901e604fe938e9a17c8cd5607 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -433,18 +433,17 @@ struct ak8975_data { /* Enable attached power regulator if any. */ static int ak8975_power_on(const struct ak8975_data *data) { + struct device *dev = &data->client->dev; int ret; ret = regulator_enable(data->vdd); if (ret) { - dev_warn(&data->client->dev, - "Failed to enable specified Vdd supply\n"); + dev_warn(dev, "Failed to enable specified Vdd supply\n"); return ret; } ret = regulator_enable(data->vid); if (ret) { - dev_warn(&data->client->dev, - "Failed to enable specified Vid supply\n"); + dev_warn(dev, "Failed to enable specified Vid supply\n"); regulator_disable(data->vdd); return ret; } @@ -572,6 +571,7 @@ static irqreturn_t ak8975_irq_handler(int irq, void *data) static int ak8975_setup_irq(struct ak8975_data *data) { struct i2c_client *client = data->client; + struct device *dev = &client->dev; int irq; int ret; @@ -582,9 +582,8 @@ static int ak8975_setup_irq(struct ak8975_data *data) else irq = gpiod_to_irq(data->eoc_gpiod); - ret = devm_request_irq(&client->dev, irq, ak8975_irq_handler, - IRQF_TRIGGER_RISING, - dev_name(&client->dev), data); + ret = devm_request_irq(dev, irq, ak8975_irq_handler, IRQF_TRIGGER_RISING, + dev_name(dev), data); if (ret) return ret; @@ -600,12 +599,13 @@ static int ak8975_setup_irq(struct ak8975_data *data) static int ak8975_setup(struct ak8975_data *data) { struct i2c_client *client = data->client; + struct device *dev = &client->dev; int ret; /* Write the fused rom access mode. */ ret = ak8975_set_mode(data, FUSE_ROM); if (ret < 0) { - dev_err(&client->dev, "Error in setting fuse access mode\n"); + dev_err(dev, "Error in setting fuse access mode\n"); return ret; } @@ -615,22 +615,21 @@ static int ak8975_setup(struct ak8975_data *data) sizeof(data->asa), data->asa); if (ret < 0) { - dev_err(&client->dev, "Not able to read asa data\n"); + dev_err(dev, "Not able to read asa data\n"); return ret; } /* After reading fuse ROM data set power-down mode */ ret = ak8975_set_mode(data, POWER_DOWN); if (ret < 0) { - dev_err(&client->dev, "Error in setting power-down mode\n"); + dev_err(dev, "Error in setting power-down mode\n"); return ret; } if (data->eoc_gpiod || client->irq > 0) { ret = ak8975_setup_irq(data); if (ret < 0) { - dev_err(&client->dev, - "Error setting data ready interrupt\n"); + dev_err(dev, "Error setting data ready interrupt\n"); return ret; } } @@ -736,10 +735,11 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val) struct ak8975_data *data = iio_priv(indio_dev); const struct i2c_client *client = data->client; const struct ak_def *def = data->def; + struct device *dev = &data->client->dev; __le16 rval; int ret; - pm_runtime_get_sync(&data->client->dev); + pm_runtime_get_sync(dev); mutex_lock(&data->lock); @@ -757,20 +757,20 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val) /* Read out ST2 for release lock on measurement data. */ ret = i2c_smbus_read_byte_data(client, data->def->ctrl_regs[ST2]); if (ret < 0) { - dev_err(&client->dev, "Error in reading ST2\n"); + dev_err(dev, "Error in reading ST2\n"); goto exit; } if (ret & (data->def->ctrl_masks[ST2_DERR] | data->def->ctrl_masks[ST2_HOFL])) { - dev_err(&client->dev, "ST2 status error 0x%x\n", ret); + dev_err(dev, "ST2 status error 0x%x\n", ret); ret = -EINVAL; goto exit; } mutex_unlock(&data->lock); - pm_runtime_put_autosuspend(&data->client->dev); + pm_runtime_put_autosuspend(dev); /* Swap bytes and convert to valid range. */ *val = clamp_t(s16, le16_to_cpu(rval), -def->range, def->range); @@ -779,8 +779,8 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val) exit: mutex_unlock(&data->lock); - pm_runtime_put_autosuspend(&data->client->dev); - dev_err(&client->dev, "Error in reading axis\n"); + pm_runtime_put_autosuspend(dev); + dev_err(dev, "Error in reading axis\n"); return ret; } @@ -927,7 +927,7 @@ static int ak8975_probe(struct i2c_client *client) * We may not have a GPIO based IRQ to scan, that is fine, we will * poll if so. */ - eoc_gpiod = devm_gpiod_get_optional(&client->dev, NULL, GPIOD_IN); + eoc_gpiod = devm_gpiod_get_optional(dev, NULL, GPIOD_IN); if (IS_ERR(eoc_gpiod)) return PTR_ERR(eoc_gpiod); gpiod_set_consumer_name(eoc_gpiod, "ak_8975"); @@ -937,13 +937,12 @@ static int ak8975_probe(struct i2c_client *client) * deassert reset on ak8975_power_on() and assert reset on * ak8975_power_off(). */ - reset_gpiod = devm_gpiod_get_optional(&client->dev, - "reset", GPIOD_OUT_HIGH); + reset_gpiod = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(reset_gpiod)) return PTR_ERR(reset_gpiod); /* Register with IIO */ - indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data)); + indio_dev = devm_iio_device_alloc(dev, sizeof(*data)); if (indio_dev == NULL) return -ENOMEM; @@ -955,7 +954,7 @@ static int ak8975_probe(struct i2c_client *client) data->reset_gpiod = reset_gpiod; data->eoc_irq = 0; - ret = iio_read_mount_matrix(&client->dev, &data->orientation); + ret = iio_read_mount_matrix(dev, &data->orientation); if (ret) return ret; @@ -965,16 +964,16 @@ static int ak8975_probe(struct i2c_client *client) return -ENODEV; /* If enumerated via firmware node, fix the ABI */ - if (dev_fwnode(&client->dev)) - name = dev_name(&client->dev); + if (dev_fwnode(dev)) + name = dev_name(dev); else name = id->name; /* Fetch the regulators */ - data->vdd = devm_regulator_get(&client->dev, "vdd"); + data->vdd = devm_regulator_get(dev, "vdd"); if (IS_ERR(data->vdd)) return PTR_ERR(data->vdd); - data->vid = devm_regulator_get(&client->dev, "vid"); + data->vid = devm_regulator_get(dev, "vid"); if (IS_ERR(data->vid)) return PTR_ERR(data->vid); @@ -996,7 +995,7 @@ static int ak8975_probe(struct i2c_client *client) ret = ak8975_who_i_am(data, data->def->type); if (ret) return dev_err_probe(dev, ret, "Unexpected device\n"); - dev_dbg(&client->dev, "Asahi compass chip %s\n", name); + dev_dbg(dev, "Asahi compass chip %s\n", name); /* Perform some basic start-of-day setup of the device. */ ret = ak8975_setup(data); @@ -1031,8 +1030,8 @@ static int ak8975_probe(struct i2c_client *client) * The device comes online in 500us, so add two orders of magnitude * of delay before autosuspending: 50 ms. */ - pm_runtime_set_autosuspend_delay(&client->dev, 50); - pm_runtime_use_autosuspend(&client->dev); + pm_runtime_set_autosuspend_delay(dev, 50); + pm_runtime_use_autosuspend(dev); return 0; } @@ -1047,7 +1046,7 @@ static int ak8975_runtime_suspend(struct device *dev) /* Set the device in power down if it wasn't already */ ret = ak8975_set_mode(data, POWER_DOWN); if (ret < 0) { - dev_err(&client->dev, "Error in setting power-down mode\n"); + dev_err(dev, "Error in setting power-down mode\n"); return ret; } /* Next cut the regulators */ @@ -1071,7 +1070,7 @@ static int ak8975_runtime_resume(struct device *dev) */ ret = ak8975_set_mode(data, POWER_DOWN); if (ret < 0) { - dev_err(&client->dev, "Error in setting power-down mode\n"); + dev_err(dev, "Error in setting power-down mode\n"); return ret; } -- 2.47.3