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 843553E0090; Mon, 18 May 2026 07:50:41 +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=1779090641; cv=none; b=s5gaIQIFw55MIjT8/g4EdTO4wl99+CI7LHNG0Z4o4q4chT06CdS4vdmj9facxjxKqoGdHtMhgwCkLNiClxdVawsRFVBFh/y0zKT+W3jqNuodngNv1WpUYY2BSZovGPleZn6DhRsWp1TR8bbezQryyDaqx0nY8ojm3EZ3AlLCOfo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779090641; c=relaxed/simple; bh=LPMMeRotTvJ3x7wTNmob9kcjWns9R95Pq8+qeh9qnxE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Uq91XnxTzmjkb73R4GVm/pGmZopBPZyRKNASNw5Hbu4leCCchKGN61C3HnSV67DUedvwfCS2jlhS7mR1zvnSPVLAD8s2gqlGm0CLedG9e9iYr0Wqv+gEuYxx+RL1jMh+VQSZYYXUEG4lrzmr2gk7fv4Y6eTsAajEdH1tvPdKbUI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EkgVfLPV; 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="EkgVfLPV" Received: by smtp.kernel.org (Postfix) with ESMTPS id 48421C2BCF6; Mon, 18 May 2026 07:50:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1779090640; bh=LPMMeRotTvJ3x7wTNmob9kcjWns9R95Pq8+qeh9qnxE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=EkgVfLPViYOk3ChlMt+zTTIRY/nQftiP6Cb+i1NpKLKBTYbtu67aItF26IxF8YGT9 bTiajb+fF5XEkU+CEMuJzI4KR+XOsu5zEa7WN/dg4jy4AZWBJ5CVIL1tscXxNWozWe OpDIw+GV1x9YVtT/Cl5N83S+DgjtZLOpHIhyyzcDuu55jzD8YCVTX7yhuqKbGc6shT 3g5ezWZMXEdteyw+6aiGp1f/yW6u6OK4rb4WTZlEEWs2joxK17yfNXbN3eDsaoWubn oQQM891YsVhkcPbOKWa/I7ps8dwh8DQPRVHrczXPE8CxkMh9yhrvNVxNDdi3MIsG36 trZSvQREK+oow== 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 3FE9ACD4F48; Mon, 18 May 2026 07:50:40 +0000 (UTC) From: Joshua Crofts via B4 Relay Date: Mon, 18 May 2026 09:50:27 +0200 Subject: [PATCH v8 3/5] iio: magnetometer: ak8975: use temporary variable for struct device 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: 8bit Message-Id: <20260518-magnetometer-fixes-post-pickup-v8-3-088d610108a0@gmail.com> References: <20260518-magnetometer-fixes-post-pickup-v8-0-088d610108a0@gmail.com> In-Reply-To: <20260518-magnetometer-fixes-post-pickup-v8-0-088d610108a0@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=1779090640; l=8351; i=joshua.crofts1@gmail.com; s=20260422; h=from:subject:message-id; bh=fj3a/1mBXtCXzLsk2ujeqiVE658SWCx0SgFuPZgY3/E=; b=rxYyfWt5CsM4ze8bLLpnN/QB8RJjJRvAnez+KNTpJtvUJNqCafos5NLYqv3hTdDy41XTSkbgh WkW9C++Y400DpX8xHeUprfoE1UbUtocCnC590jP+NGs36pV5QgQ0ce3 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 e7cd28ab37aaeb2b68758a42ba40a87c71bd1e24..7ab4c4d69d8b73c6f367f6e62fee3017d8691b67 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; } @@ -574,6 +573,7 @@ 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; @@ -584,9 +584,8 @@ 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; @@ -602,12 +601,13 @@ 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; } @@ -617,7 +617,7 @@ 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; } if (ret != sizeof(data->asa)) { @@ -628,15 +628,14 @@ static int ak8975_setup(struct ak8975_data *data) /* 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; } } @@ -742,10 +741,11 @@ 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); @@ -767,20 +767,20 @@ 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); @@ -789,8 +789,8 @@ 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; } @@ -962,7 +962,7 @@ 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"); @@ -972,13 +972,12 @@ 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; @@ -990,7 +989,7 @@ 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; @@ -1000,16 +999,16 @@ 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); @@ -1032,7 +1031,7 @@ static int ak8975_probe(struct i2c_client *client) 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); @@ -1068,8 +1067,8 @@ 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; } @@ -1084,7 +1083,7 @@ 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 */ @@ -1108,7 +1107,7 @@ 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