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Message-ID: <9187f97e-7100-8a45-22c8-e58a5900a930@collabora.com>
Date: Mon, 25 Nov 2019 17:00:53 +0100
From: Enric Balletbo i Serra <enric.balletbo@...labora.com>
To: Raul E Rangel <rrangel@...omium.org>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>,
Alessandro Zummo <a.zummo@...ertech.it>,
linux-iio@...r.kernel.org, Lee Jones <lee.jones@...aro.org>,
Fabien Lahoudere <fabien.lahoudere@...labora.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
linux-i2c@...r.kernel.org, Enrico Granata <egranata@...omium.org>,
linux-rtc@...r.kernel.org, Chanwoo Choi <cw00.choi@...sung.com>,
Benjamin Tissoires <benjamin.tissoires@...hat.com>,
Benson Leung <bleung@...omium.org>,
"Gustavo A. R. Silva" <gustavo@...eddedor.com>,
Sebastian Reichel <sre@...nel.org>,
Douglas Anderson <dianders@...omium.org>,
Dmitry Torokhov <dmitry.torokhov@...il.com>,
Jonathan Cameron <jic23@...nel.org>,
Peter Meerwald-Stadler <pmeerw@...erw.net>,
linux-media@...r.kernel.org, linux-pm@...r.kernel.org,
Wolfram Sang <wsa@...-dreams.de>,
Hartmut Knaack <knaack.h@....de>,
Alexandru M Stan <amstan@...omium.org>,
Gwendal Grignou <gwendal@...omium.org>,
Akshu Agrawal <akshu.agrawal@....com>,
Guenter Roeck <groeck@...omium.org>,
linux-kernel@...r.kernel.org,
Neil Armstrong <narmstrong@...libre.com>,
Lars-Peter Clausen <lars@...afoo.de>,
Hans Verkuil <hverkuil-cisco@...all.nl>
Subject: Re: [PATCH] platform/chrome: cros_ec: Rename cros_ec_dev to
cros_ec_mfd_dev
Hi Raul,
On 22/11/19 0:45, Raul E Rangel wrote:
> It's very confusing having cros_ec_dev and cros_ec_device. This makes it
> clear you are dealing with the mfd device.
>
To be honest I also get confused, always. A change like this, was in my TODO
list for long time, but never really worked on it, so many thanks to send this
patch. Said that, I agree with Lee Jones regarding use _mfd_ in the name.
In my mind, though, I always thought to rename the `struct cros_ec_device` to
`struct cros_ec`. For me cros_ec_dev in MFD makes sense because is the one that
instantiates the sub-devices.
I'd be also nice, "fix" the random name of some local variables (ec vs ec_dev vs
ec_device, pointing indeferently to cros_ec_dev and cros_ec_device structs)
This is really stetic, IMHO helps to understand better the code, but as is a
massive change, I'd like to hear the Guenter, Benson and Gwendal opinions here.
Thanks,
Enric
> Signed-off-by: Raul E Rangel <rrangel@...omium.org>
> ---
> This is based on top of the i2c acpi tunnel patches:
> https://lore.kernel.org/patchwork/project/lkml/list/?series=419791
>
> drivers/i2c/busses/i2c-cros-ec-tunnel.c | 2 +-
> drivers/iio/accel/cros_ec_accel_legacy.c | 2 +-
> .../common/cros_ec_sensors/cros_ec_sensors.c | 2 +-
> .../cros_ec_sensors/cros_ec_sensors_core.c | 2 +-
> .../cros_ec_sensors/cros_ec_sensors_ring.c | 2 +-
> drivers/iio/light/cros_ec_light_prox.c | 2 +-
> drivers/iio/pressure/cros_ec_baro.c | 2 +-
> .../media/platform/cros-ec-cec/cros-ec-cec.c | 2 +-
> drivers/mfd/cros_ec_dev.c | 14 ++++-----
> drivers/platform/chrome/cros_ec_chardev.c | 21 +++++++-------
> drivers/platform/chrome/cros_ec_debugfs.c | 16 +++++-----
> drivers/platform/chrome/cros_ec_lightbar.c | 29 ++++++++++---------
> drivers/platform/chrome/cros_ec_pd_sysfs.c | 6 ++--
> drivers/platform/chrome/cros_ec_pd_update.c | 20 ++++++-------
> drivers/platform/chrome/cros_ec_sysfs.c | 16 +++++-----
> drivers/platform/chrome/cros_ec_vbc.c | 8 ++---
> drivers/platform/chrome/cros_usbpd_logger.c | 6 ++--
> drivers/power/supply/cros_usbpd-charger.c | 6 ++--
> drivers/rtc/rtc-cros-ec.c | 2 +-
> include/linux/mfd/cros_ec.h | 8 ++---
> .../linux/platform_data/cros_ec_pd_update.h | 4 +--
> 21 files changed, 87 insertions(+), 85 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-cros-ec-tunnel.c b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
> index 2e3217678fa3..48e8dceb9496 100644
> --- a/drivers/i2c/busses/i2c-cros-ec-tunnel.c
> +++ b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
> @@ -176,7 +176,7 @@ static int ec_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg i2c_msgs[],
> {
> struct ec_i2c_device *bus = adap->algo_data;
> struct device *dev = bus->dev;
> - struct cros_ec_dev *ec = dev_get_drvdata(dev->parent);
> + struct cros_ec_mfd_dev *ec = dev_get_drvdata(dev->parent);
> const u16 bus_num = bus->remote_bus;
> int request_len;
> int response_len;
> diff --git a/drivers/iio/accel/cros_ec_accel_legacy.c b/drivers/iio/accel/cros_ec_accel_legacy.c
> index fcc3f999e482..a6a8421460ac 100644
> --- a/drivers/iio/accel/cros_ec_accel_legacy.c
> +++ b/drivers/iio/accel/cros_ec_accel_legacy.c
> @@ -163,7 +163,7 @@ static const struct iio_chan_spec cros_ec_accel_legacy_channels[] = {
> static int cros_ec_accel_legacy_probe(struct platform_device *pdev)
> {
> struct device *dev = &pdev->dev;
> - struct cros_ec_dev *ec = dev_get_drvdata(dev->parent);
> + struct cros_ec_mfd_dev *ec = dev_get_drvdata(dev->parent);
> struct iio_dev *indio_dev;
> struct cros_ec_sensors_core_state *state;
> int ret;
> diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
> index 8108e5017998..6111b25d77ca 100644
> --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
> +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
> @@ -222,7 +222,7 @@ static const struct iio_info ec_sensors_info = {
> static int cros_ec_sensors_probe(struct platform_device *pdev)
> {
> struct device *dev = &pdev->dev;
> - struct cros_ec_dev *ec_dev = dev_get_drvdata(dev->parent);
> + struct cros_ec_mfd_dev *ec_dev = dev_get_drvdata(dev->parent);
> struct iio_dev *indio_dev;
> struct cros_ec_sensors_state *state;
> struct iio_chan_spec *channel;
> diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
> index 77f18f734658..cdfd46cbbd03 100644
> --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
> +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
> @@ -196,7 +196,7 @@ int cros_ec_sensors_core_init(struct platform_device *pdev,
> {
> struct device *dev = &pdev->dev;
> struct cros_ec_sensors_core_state *state = iio_priv(indio_dev);
> - struct cros_ec_dev *ec = dev_get_drvdata(pdev->dev.parent);
> + struct cros_ec_mfd_dev *ec = dev_get_drvdata(pdev->dev.parent);
> struct cros_ec_sensor_platform *sensor_platform = dev_get_platdata(dev);
> u32 ver_mask;
> int frequencies[ARRAY_SIZE(state->frequencies) / 2] = { 0 };
> diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_ring.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_ring.c
> index 6b034edc06bf..52568fd5126f 100644
> --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_ring.c
> +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_ring.c
> @@ -1057,7 +1057,7 @@ static const struct iio_chan_spec cros_ec_ring_channels[] = {
> static int cros_ec_ring_probe(struct platform_device *pdev)
> {
> struct device *dev = &pdev->dev;
> - struct cros_ec_dev *ec_dev = dev_get_drvdata(dev->parent);
> + struct cros_ec_mfd_dev *ec_dev = dev_get_drvdata(dev->parent);
> struct cros_ec_device *ec_device;
> struct iio_dev *indio_dev;
> struct iio_buffer *buffer;
> diff --git a/drivers/iio/light/cros_ec_light_prox.c b/drivers/iio/light/cros_ec_light_prox.c
> index e501e7c8a6e1..12bf8c2785c6 100644
> --- a/drivers/iio/light/cros_ec_light_prox.c
> +++ b/drivers/iio/light/cros_ec_light_prox.c
> @@ -365,7 +365,7 @@ static const struct iio_info cros_ec_light_prox_info = {
> static int cros_ec_light_prox_probe(struct platform_device *pdev)
> {
> struct device *dev = &pdev->dev;
> - struct cros_ec_dev *ec_dev = dev_get_drvdata(dev->parent);
> + struct cros_ec_mfd_dev *ec_dev = dev_get_drvdata(dev->parent);
> struct iio_dev *indio_dev;
> struct cros_ec_light_prox_state *state;
> struct iio_chan_spec *channel;
> diff --git a/drivers/iio/pressure/cros_ec_baro.c b/drivers/iio/pressure/cros_ec_baro.c
> index a8f52503d02a..a2486269be2c 100644
> --- a/drivers/iio/pressure/cros_ec_baro.c
> +++ b/drivers/iio/pressure/cros_ec_baro.c
> @@ -119,7 +119,7 @@ static const struct iio_info cros_ec_baro_info = {
> static int cros_ec_baro_probe(struct platform_device *pdev)
> {
> struct device *dev = &pdev->dev;
> - struct cros_ec_dev *ec_dev = dev_get_drvdata(dev->parent);
> + struct cros_ec_mfd_dev *ec_dev = dev_get_drvdata(dev->parent);
> struct iio_dev *indio_dev;
> struct cros_ec_baro_state *state;
> struct iio_chan_spec *channel;
> diff --git a/drivers/media/platform/cros-ec-cec/cros-ec-cec.c b/drivers/media/platform/cros-ec-cec/cros-ec-cec.c
> index 4a3b3810fd89..3d29f93549c5 100644
> --- a/drivers/media/platform/cros-ec-cec/cros-ec-cec.c
> +++ b/drivers/media/platform/cros-ec-cec/cros-ec-cec.c
> @@ -259,7 +259,7 @@ static struct device *cros_ec_cec_find_hdmi_dev(struct device *dev,
>
> static int cros_ec_cec_probe(struct platform_device *pdev)
> {
> - struct cros_ec_dev *ec_dev = dev_get_drvdata(pdev->dev.parent);
> + struct cros_ec_mfd_dev *ec_dev = dev_get_drvdata(pdev->dev.parent);
> struct cros_ec_device *cros_ec = ec_dev->ec_dev;
> struct cros_ec_cec *cros_ec_cec;
> struct device *hdmi_dev;
> diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c
> index 61b20e061f75..763fd9ecf037 100644
> --- a/drivers/mfd/cros_ec_dev.c
> +++ b/drivers/mfd/cros_ec_dev.c
> @@ -1,6 +1,6 @@
> // SPDX-License-Identifier: GPL-2.0-or-later
> /*
> - * cros_ec_dev - expose the Chrome OS Embedded Controller to user-space
> + * cros_ec_mfd_dev - expose the Chrome OS Embedded Controller to user-space
> *
> * Copyright (C) 2014 Google, Inc.
> */
> @@ -125,7 +125,7 @@ static struct mfd_cell cros_ec_fw_cells[] = {
> },
> };
>
> -int cros_ec_check_features(struct cros_ec_dev *ec, int feature)
> +int cros_ec_check_features(struct cros_ec_mfd_dev *ec, int feature)
> {
> struct cros_ec_command *msg;
> int ret;
> @@ -167,7 +167,7 @@ static void cros_ec_class_release(struct device *dev)
> * Return the number of MEMS sensors supported.
> * Return < 0 in case of error.
> */
> -static int cros_ec_get_sensor_count(struct cros_ec_dev *ec)
> +static int cros_ec_get_sensor_count(struct cros_ec_mfd_dev *ec)
> {
> /*
> * Issue a command to get the number of sensor reported.
> @@ -205,7 +205,7 @@ static int cros_ec_get_sensor_count(struct cros_ec_dev *ec)
> return sensor_count;
> }
>
> -static void cros_ec_sensors_register(struct cros_ec_dev *ec)
> +static void cros_ec_sensors_register(struct cros_ec_mfd_dev *ec)
> {
> /*
> * Issue a command to get the number of sensor reported.
> @@ -345,7 +345,7 @@ static const struct mfd_cell cros_ec_accel_legacy_cells[] = {
> }
> };
>
> -static void cros_ec_accel_legacy_register(struct cros_ec_dev *ec)
> +static void cros_ec_accel_legacy_register(struct cros_ec_mfd_dev *ec)
> {
> struct cros_ec_device *ec_dev = ec->ec_dev;
> u8 status;
> @@ -414,7 +414,7 @@ static int ec_device_probe(struct platform_device *pdev)
> struct device_node *node;
> struct device *dev = &pdev->dev;
> struct cros_ec_platform *ec_platform = dev_get_platdata(dev);
> - struct cros_ec_dev *ec = kzalloc(sizeof(*ec), GFP_KERNEL);
> + struct cros_ec_mfd_dev *ec = kzalloc(sizeof(*ec), GFP_KERNEL);
> int i;
>
> if (!ec)
> @@ -523,7 +523,7 @@ static int ec_device_probe(struct platform_device *pdev)
>
> static int ec_device_remove(struct platform_device *pdev)
> {
> - struct cros_ec_dev *ec = dev_get_drvdata(&pdev->dev);
> + struct cros_ec_mfd_dev *ec = dev_get_drvdata(&pdev->dev);
>
> mfd_remove_devices(ec->dev);
> device_unregister(&ec->class_dev);
> diff --git a/drivers/platform/chrome/cros_ec_chardev.c b/drivers/platform/chrome/cros_ec_chardev.c
> index 74ded441bb50..ed862e7a4b52 100644
> --- a/drivers/platform/chrome/cros_ec_chardev.c
> +++ b/drivers/platform/chrome/cros_ec_chardev.c
> @@ -32,12 +32,12 @@
> #define CROS_MAX_EVENT_LEN PAGE_SIZE
>
> struct chardev_data {
> - struct cros_ec_dev *ec_dev;
> + struct cros_ec_mfd_dev *ec_dev;
> struct miscdevice misc;
> };
>
> struct chardev_priv {
> - struct cros_ec_dev *ec_dev;
> + struct cros_ec_mfd_dev *ec_dev;
> struct notifier_block notifier;
> wait_queue_head_t wait_event;
> unsigned long event_mask;
> @@ -52,7 +52,7 @@ struct ec_event {
> u8 data[0];
> };
>
> -static int ec_get_version(struct cros_ec_dev *ec, char *str, int maxlen)
> +static int ec_get_version(struct cros_ec_mfd_dev *ec, char *str, int maxlen)
> {
> static const char * const current_image_name[] = {
> "unknown", "read-only", "read-write", "invalid",
> @@ -161,7 +161,7 @@ static struct ec_event *cros_ec_chardev_fetch_event(struct chardev_priv *priv,
> static int cros_ec_chardev_open(struct inode *inode, struct file *filp)
> {
> struct miscdevice *mdev = filp->private_data;
> - struct cros_ec_dev *ec_dev = dev_get_drvdata(mdev->parent);
> + struct cros_ec_mfd_dev *ec_dev = dev_get_drvdata(mdev->parent);
> struct chardev_priv *priv;
> int ret;
>
> @@ -204,7 +204,7 @@ static ssize_t cros_ec_chardev_read(struct file *filp, char __user *buffer,
> char msg[sizeof(struct ec_response_get_version) +
> sizeof(CROS_EC_DEV_VERSION)];
> struct chardev_priv *priv = filp->private_data;
> - struct cros_ec_dev *ec_dev = priv->ec_dev;
> + struct cros_ec_mfd_dev *ec_dev = priv->ec_dev;
> size_t count;
> int ret;
>
> @@ -254,7 +254,7 @@ static ssize_t cros_ec_chardev_read(struct file *filp, char __user *buffer,
> static int cros_ec_chardev_release(struct inode *inode, struct file *filp)
> {
> struct chardev_priv *priv = filp->private_data;
> - struct cros_ec_dev *ec_dev = priv->ec_dev;
> + struct cros_ec_mfd_dev *ec_dev = priv->ec_dev;
> struct ec_event *event, *e;
>
> blocking_notifier_chain_unregister(&ec_dev->ec_dev->event_notifier,
> @@ -272,7 +272,8 @@ static int cros_ec_chardev_release(struct inode *inode, struct file *filp)
> /*
> * Ioctls
> */
> -static long cros_ec_chardev_ioctl_xcmd(struct cros_ec_dev *ec, void __user *arg)
> +static long cros_ec_chardev_ioctl_xcmd(struct cros_ec_mfd_dev *ec,
> + void __user *arg)
> {
> struct cros_ec_command *s_cmd;
> struct cros_ec_command u_cmd;
> @@ -314,7 +315,7 @@ static long cros_ec_chardev_ioctl_xcmd(struct cros_ec_dev *ec, void __user *arg)
> return ret;
> }
>
> -static long cros_ec_chardev_ioctl_readmem(struct cros_ec_dev *ec,
> +static long cros_ec_chardev_ioctl_readmem(struct cros_ec_mfd_dev *ec,
> void __user *arg)
> {
> struct cros_ec_device *ec_dev = ec->ec_dev;
> @@ -343,7 +344,7 @@ static long cros_ec_chardev_ioctl(struct file *filp, unsigned int cmd,
> unsigned long arg)
> {
> struct chardev_priv *priv = filp->private_data;
> - struct cros_ec_dev *ec = priv->ec_dev;
> + struct cros_ec_mfd_dev *ec = priv->ec_dev;
>
> if (_IOC_TYPE(cmd) != CROS_EC_DEV_IOC)
> return -ENOTTY;
> @@ -374,7 +375,7 @@ static const struct file_operations chardev_fops = {
>
> static int cros_ec_chardev_probe(struct platform_device *pdev)
> {
> - struct cros_ec_dev *ec_dev = dev_get_drvdata(pdev->dev.parent);
> + struct cros_ec_mfd_dev *ec_dev = dev_get_drvdata(pdev->dev.parent);
> struct cros_ec_platform *ec_platform = dev_get_platdata(ec_dev->dev);
> struct chardev_data *data;
>
> diff --git a/drivers/platform/chrome/cros_ec_debugfs.c b/drivers/platform/chrome/cros_ec_debugfs.c
> index 6ae484989d1f..0281fb8a3427 100644
> --- a/drivers/platform/chrome/cros_ec_debugfs.c
> +++ b/drivers/platform/chrome/cros_ec_debugfs.c
> @@ -39,7 +39,7 @@
> * @panicinfo_blob: panicinfo debugfs blob
> */
> struct cros_ec_debugfs {
> - struct cros_ec_dev *ec;
> + struct cros_ec_mfd_dev *ec;
> struct dentry *dir;
> /* EC log */
> struct circ_buf log_buffer;
> @@ -61,7 +61,7 @@ static void cros_ec_console_log_work(struct work_struct *__work)
> container_of(to_delayed_work(__work),
> struct cros_ec_debugfs,
> log_poll_work);
> - struct cros_ec_dev *ec = debug_info->ec;
> + struct cros_ec_mfd_dev *ec = debug_info->ec;
> struct circ_buf *cb = &debug_info->log_buffer;
> struct cros_ec_command snapshot_msg = {
> .command = EC_CMD_CONSOLE_SNAPSHOT + ec->cmd_offset,
> @@ -294,7 +294,7 @@ static const struct file_operations cros_ec_uptime_fops = {
> .llseek = default_llseek,
> };
>
> -static int ec_read_version_supported(struct cros_ec_dev *ec)
> +static int ec_read_version_supported(struct cros_ec_mfd_dev *ec)
> {
> struct ec_params_get_cmd_versions_v1 *params;
> struct ec_response_get_cmd_versions *response;
> @@ -325,7 +325,7 @@ static int ec_read_version_supported(struct cros_ec_dev *ec)
>
> static int cros_ec_create_console_log(struct cros_ec_debugfs *debug_info)
> {
> - struct cros_ec_dev *ec = debug_info->ec;
> + struct cros_ec_mfd_dev *ec = debug_info->ec;
> char *buf;
> int read_params_size;
> int read_response_size;
> @@ -421,7 +421,7 @@ static int cros_ec_create_panicinfo(struct cros_ec_debugfs *debug_info)
>
> static int cros_ec_debugfs_probe(struct platform_device *pd)
> {
> - struct cros_ec_dev *ec = dev_get_drvdata(pd->dev.parent);
> + struct cros_ec_mfd_dev *ec = dev_get_drvdata(pd->dev.parent);
> struct cros_ec_platform *ec_platform = dev_get_platdata(ec->dev);
> const char *name = ec_platform->ec_name;
> struct cros_ec_debugfs *debug_info;
> @@ -464,7 +464,7 @@ static int cros_ec_debugfs_probe(struct platform_device *pd)
>
> static int cros_ec_debugfs_remove(struct platform_device *pd)
> {
> - struct cros_ec_dev *ec = dev_get_drvdata(pd->dev.parent);
> + struct cros_ec_mfd_dev *ec = dev_get_drvdata(pd->dev.parent);
>
> debugfs_remove_recursive(ec->debug_info->dir);
> cros_ec_cleanup_console_log(ec->debug_info);
> @@ -474,7 +474,7 @@ static int cros_ec_debugfs_remove(struct platform_device *pd)
>
> static int __maybe_unused cros_ec_debugfs_suspend(struct device *dev)
> {
> - struct cros_ec_dev *ec = dev_get_drvdata(dev);
> + struct cros_ec_mfd_dev *ec = dev_get_drvdata(dev);
>
> if (ec->debug_info->log_buffer.buf)
> cancel_delayed_work_sync(&ec->debug_info->log_poll_work);
> @@ -484,7 +484,7 @@ static int __maybe_unused cros_ec_debugfs_suspend(struct device *dev)
>
> static int __maybe_unused cros_ec_debugfs_resume(struct device *dev)
> {
> - struct cros_ec_dev *ec = dev_get_drvdata(dev);
> + struct cros_ec_mfd_dev *ec = dev_get_drvdata(dev);
>
> if (ec->debug_info->log_buffer.buf)
> schedule_delayed_work(&ec->debug_info->log_poll_work, 0);
> diff --git a/drivers/platform/chrome/cros_ec_lightbar.c b/drivers/platform/chrome/cros_ec_lightbar.c
> index c0f2eec35a48..1ddc1b63f5b9 100644
> --- a/drivers/platform/chrome/cros_ec_lightbar.c
> +++ b/drivers/platform/chrome/cros_ec_lightbar.c
> @@ -83,7 +83,8 @@ static int lb_throttle(void)
> return ret;
> }
>
> -static struct cros_ec_command *alloc_lightbar_cmd_msg(struct cros_ec_dev *ec)
> +static struct cros_ec_command *
> +alloc_lightbar_cmd_msg(struct cros_ec_mfd_dev *ec)
> {
> struct cros_ec_command *msg;
> int len;
> @@ -103,7 +104,7 @@ static struct cros_ec_command *alloc_lightbar_cmd_msg(struct cros_ec_dev *ec)
> return msg;
> }
>
> -static int get_lightbar_version(struct cros_ec_dev *ec,
> +static int get_lightbar_version(struct cros_ec_mfd_dev *ec,
> uint32_t *ver_ptr, uint32_t *flg_ptr)
> {
> struct ec_params_lightbar *param;
> @@ -156,7 +157,7 @@ static ssize_t version_show(struct device *dev,
> struct device_attribute *attr, char *buf)
> {
> uint32_t version = 0, flags = 0;
> - struct cros_ec_dev *ec = to_cros_ec_dev(dev);
> + struct cros_ec_mfd_dev *ec = to_cros_ec_dev(dev);
> int ret;
>
> ret = lb_throttle();
> @@ -178,7 +179,7 @@ static ssize_t brightness_store(struct device *dev,
> struct cros_ec_command *msg;
> int ret;
> unsigned int val;
> - struct cros_ec_dev *ec = to_cros_ec_dev(dev);
> + struct cros_ec_mfd_dev *ec = to_cros_ec_dev(dev);
>
> if (kstrtouint(buf, 0, &val))
> return -EINVAL;
> @@ -222,7 +223,7 @@ static ssize_t led_rgb_store(struct device *dev, struct device_attribute *attr,
> {
> struct ec_params_lightbar *param;
> struct cros_ec_command *msg;
> - struct cros_ec_dev *ec = to_cros_ec_dev(dev);
> + struct cros_ec_mfd_dev *ec = to_cros_ec_dev(dev);
> unsigned int val[4];
> int ret, i = 0, j = 0, ok = 0;
>
> @@ -294,7 +295,7 @@ static ssize_t sequence_show(struct device *dev,
> struct ec_response_lightbar *resp;
> struct cros_ec_command *msg;
> int ret;
> - struct cros_ec_dev *ec = to_cros_ec_dev(dev);
> + struct cros_ec_mfd_dev *ec = to_cros_ec_dev(dev);
>
> msg = alloc_lightbar_cmd_msg(ec);
> if (!msg)
> @@ -328,7 +329,7 @@ static ssize_t sequence_show(struct device *dev,
> return ret;
> }
>
> -static int lb_send_empty_cmd(struct cros_ec_dev *ec, uint8_t cmd)
> +static int lb_send_empty_cmd(struct cros_ec_mfd_dev *ec, uint8_t cmd)
> {
> struct ec_params_lightbar *param;
> struct cros_ec_command *msg;
> @@ -359,7 +360,7 @@ static int lb_send_empty_cmd(struct cros_ec_dev *ec, uint8_t cmd)
> return ret;
> }
>
> -static int lb_manual_suspend_ctrl(struct cros_ec_dev *ec, uint8_t enable)
> +static int lb_manual_suspend_ctrl(struct cros_ec_mfd_dev *ec, uint8_t enable)
> {
> struct ec_params_lightbar *param;
> struct cros_ec_command *msg;
> @@ -399,7 +400,7 @@ static ssize_t sequence_store(struct device *dev, struct device_attribute *attr,
> struct cros_ec_command *msg;
> unsigned int num;
> int ret, len;
> - struct cros_ec_dev *ec = to_cros_ec_dev(dev);
> + struct cros_ec_mfd_dev *ec = to_cros_ec_dev(dev);
>
> for (len = 0; len < count; len++)
> if (!isalnum(buf[len]))
> @@ -447,7 +448,7 @@ static ssize_t program_store(struct device *dev, struct device_attribute *attr,
> int extra_bytes, max_size, ret;
> struct ec_params_lightbar *param;
> struct cros_ec_command *msg;
> - struct cros_ec_dev *ec = to_cros_ec_dev(dev);
> + struct cros_ec_mfd_dev *ec = to_cros_ec_dev(dev);
>
> /*
> * We might need to reject the program for size reasons. The EC
> @@ -555,7 +556,7 @@ static struct attribute_group cros_ec_lightbar_attr_group = {
>
> static int cros_ec_lightbar_probe(struct platform_device *pd)
> {
> - struct cros_ec_dev *ec_dev = dev_get_drvdata(pd->dev.parent);
> + struct cros_ec_mfd_dev *ec_dev = dev_get_drvdata(pd->dev.parent);
> struct cros_ec_platform *pdata = dev_get_platdata(ec_dev->dev);
> struct device *dev = &pd->dev;
> int ret;
> @@ -588,7 +589,7 @@ static int cros_ec_lightbar_probe(struct platform_device *pd)
>
> static int cros_ec_lightbar_remove(struct platform_device *pd)
> {
> - struct cros_ec_dev *ec_dev = dev_get_drvdata(pd->dev.parent);
> + struct cros_ec_mfd_dev *ec_dev = dev_get_drvdata(pd->dev.parent);
>
> sysfs_remove_group(&ec_dev->class_dev.kobj,
> &cros_ec_lightbar_attr_group);
> @@ -601,7 +602,7 @@ static int cros_ec_lightbar_remove(struct platform_device *pd)
>
> static int __maybe_unused cros_ec_lightbar_resume(struct device *dev)
> {
> - struct cros_ec_dev *ec_dev = dev_get_drvdata(dev->parent);
> + struct cros_ec_mfd_dev *ec_dev = dev_get_drvdata(dev->parent);
>
> if (userspace_control)
> return 0;
> @@ -611,7 +612,7 @@ static int __maybe_unused cros_ec_lightbar_resume(struct device *dev)
>
> static int __maybe_unused cros_ec_lightbar_suspend(struct device *dev)
> {
> - struct cros_ec_dev *ec_dev = dev_get_drvdata(dev->parent);
> + struct cros_ec_mfd_dev *ec_dev = dev_get_drvdata(dev->parent);
>
> if (userspace_control)
> return 0;
> diff --git a/drivers/platform/chrome/cros_ec_pd_sysfs.c b/drivers/platform/chrome/cros_ec_pd_sysfs.c
> index ebda601c1b79..8b28ed5cde46 100644
> --- a/drivers/platform/chrome/cros_ec_pd_sysfs.c
> +++ b/drivers/platform/chrome/cros_ec_pd_sysfs.c
> @@ -31,7 +31,7 @@ static umode_t cros_ec_pd_attrs_are_visible(struct kobject *kobj,
> struct attribute *a, int n)
> {
> struct device *dev = container_of(kobj, struct device, kobj);
> - struct cros_ec_dev *ec = container_of(dev, struct cros_ec_dev,
> + struct cros_ec_mfd_dev *ec = container_of(dev, struct cros_ec_mfd_dev,
> class_dev);
> struct ec_params_usb_pd_rw_hash_entry hash_entry;
> struct ec_params_usb_pd_discovery_entry discovery_entry;
> @@ -95,7 +95,7 @@ static struct attribute_group cros_ec_pd_attr_group = {
>
> static int cros_ec_pd_sysfs_probe(struct platform_device *pd)
> {
> - struct cros_ec_dev *ec_dev = dev_get_drvdata(pd->dev.parent);
> + struct cros_ec_mfd_dev *ec_dev = dev_get_drvdata(pd->dev.parent);
> struct device *dev = &pd->dev;
> int ret;
>
> @@ -109,7 +109,7 @@ static int cros_ec_pd_sysfs_probe(struct platform_device *pd)
>
> static int cros_ec_pd_sysfs_remove(struct platform_device *pd)
> {
> - struct cros_ec_dev *ec_dev = dev_get_drvdata(pd->dev.parent);
> + struct cros_ec_mfd_dev *ec_dev = dev_get_drvdata(pd->dev.parent);
>
> sysfs_remove_group(&ec_dev->class_dev.kobj, &cros_ec_pd_attr_group);
>
> diff --git a/drivers/platform/chrome/cros_ec_pd_update.c b/drivers/platform/chrome/cros_ec_pd_update.c
> index 30f56e9b6c1f..ef85fadb39de 100644
> --- a/drivers/platform/chrome/cros_ec_pd_update.c
> +++ b/drivers/platform/chrome/cros_ec_pd_update.c
> @@ -35,7 +35,7 @@
> */
> #define DRV_NAME "cros-ec-pd-update"
>
> -struct cros_ec_dev *cros_ec_pd_ec;
> +struct cros_ec_mfd_dev *cros_ec_pd_ec;
> EXPORT_SYMBOL_GPL(cros_ec_pd_ec);
>
> /* Allow disabling of the update for testing purposes */
> @@ -187,7 +187,7 @@ EXPORT_SYMBOL_GPL(cros_ec_pd_firmware_images);
> * @insize: Size of indata
> */
> static int cros_ec_pd_command(struct device *dev,
> - struct cros_ec_dev *pd_dev,
> + struct cros_ec_mfd_dev *pd_dev,
> int command,
> uint8_t *outdata,
> int outsize,
> @@ -230,8 +230,8 @@ static int cros_ec_pd_command(struct device *dev,
> * @pd_dev: EC PD device
> * @port: Port # on device
> */
> -static int cros_ec_pd_enter_gfu(struct device *dev, struct cros_ec_dev *pd_dev,
> - int port)
> +static int cros_ec_pd_enter_gfu(struct device *dev,
> + struct cros_ec_mfd_dev *pd_dev, int port)
> {
> int rv;
> struct ec_params_usb_pd_set_mode_request set_mode_request;
> @@ -254,7 +254,7 @@ static int cros_ec_pd_enter_gfu(struct device *dev, struct cros_ec_dev *pd_dev,
>
> int cros_ec_pd_get_status(
> struct device *dev,
> - struct cros_ec_dev *pd_dev,
> + struct cros_ec_mfd_dev *pd_dev,
> int port,
> struct ec_params_usb_pd_rw_hash_entry *hash_entry,
> struct ec_params_usb_pd_discovery_entry *discovery_entry)
> @@ -288,7 +288,7 @@ EXPORT_SYMBOL_GPL(cros_ec_pd_get_status);
> * @fw: FW update image to inform the EC of
> */
> static int cros_ec_pd_send_hash_entry(struct device *dev,
> - struct cros_ec_dev *pd_dev,
> + struct cros_ec_mfd_dev *pd_dev,
> const struct cros_ec_pd_firmware_image
> *fw)
> {
> @@ -311,7 +311,7 @@ static int cros_ec_pd_send_hash_entry(struct device *dev,
> * @pd_cmd: fw_update command
> */
> static int cros_ec_pd_send_fw_update_cmd(struct device *dev,
> - struct cros_ec_dev *pd_dev,
> + struct cros_ec_mfd_dev *pd_dev,
> struct ec_params_usb_pd_fw_update
> *pd_cmd)
> {
> @@ -330,7 +330,7 @@ static int cros_ec_pd_send_fw_update_cmd(struct device *dev,
> * @num_ports: Holds number of ports, on command success
> */
> static int cros_ec_pd_get_num_ports(struct device *dev,
> - struct cros_ec_dev *pd_dev,
> + struct cros_ec_mfd_dev *pd_dev,
> int *num_ports)
> {
> struct ec_response_usb_pd_ports resp;
> @@ -356,7 +356,7 @@ static int cros_ec_pd_get_num_ports(struct device *dev,
> * @port: Port# to which update device is attached
> */
> static int cros_ec_pd_fw_update(struct cros_ec_pd_update_data *drv_data,
> - struct cros_ec_dev *pd_dev,
> + struct cros_ec_mfd_dev *pd_dev,
> const struct firmware *fw,
> uint8_t port)
> {
> @@ -548,7 +548,7 @@ static enum cros_ec_pd_find_update_firmware_result cros_ec_find_update_firmware(
> * @pd_dev: EC PD device
> */
> static uint32_t cros_ec_pd_get_host_event_status(struct device *dev,
> - struct cros_ec_dev *pd_dev)
> + struct cros_ec_mfd_dev *pd_dev)
> {
> int ret;
> struct ec_response_host_event_status host_event_status;
> diff --git a/drivers/platform/chrome/cros_ec_sysfs.c b/drivers/platform/chrome/cros_ec_sysfs.c
> index 74d36b8d4f46..dc0859cb5f90 100644
> --- a/drivers/platform/chrome/cros_ec_sysfs.c
> +++ b/drivers/platform/chrome/cros_ec_sysfs.c
> @@ -57,7 +57,7 @@ static ssize_t reboot_store(struct device *dev,
> int got_cmd = 0, offset = 0;
> int i;
> int ret;
> - struct cros_ec_dev *ec = to_cros_ec_dev(dev);
> + struct cros_ec_mfd_dev *ec = to_cros_ec_dev(dev);
>
> msg = kmalloc(sizeof(*msg) + sizeof(*param), GFP_KERNEL);
> if (!msg)
> @@ -118,7 +118,7 @@ static ssize_t version_show(struct device *dev,
> struct cros_ec_command *msg;
> int ret;
> int count = 0;
> - struct cros_ec_dev *ec = to_cros_ec_dev(dev);
> + struct cros_ec_mfd_dev *ec = to_cros_ec_dev(dev);
>
> msg = kmalloc(sizeof(*msg) + EC_HOST_PARAM_SIZE, GFP_KERNEL);
> if (!msg)
> @@ -216,7 +216,7 @@ static ssize_t flashinfo_show(struct device *dev,
> struct ec_response_flash_info *resp;
> struct cros_ec_command *msg;
> int ret;
> - struct cros_ec_dev *ec = to_cros_ec_dev(dev);
> + struct cros_ec_mfd_dev *ec = to_cros_ec_dev(dev);
>
> msg = kmalloc(sizeof(*msg) + sizeof(*resp), GFP_KERNEL);
> if (!msg)
> @@ -247,7 +247,7 @@ static ssize_t flashinfo_show(struct device *dev,
> static ssize_t kb_wake_angle_show(struct device *dev,
> struct device_attribute *attr, char *buf)
> {
> - struct cros_ec_dev *ec = to_cros_ec_dev(dev);
> + struct cros_ec_mfd_dev *ec = to_cros_ec_dev(dev);
> struct ec_response_motion_sense *resp;
> struct ec_params_motion_sense *param;
> struct cros_ec_command *msg;
> @@ -280,7 +280,7 @@ static ssize_t kb_wake_angle_store(struct device *dev,
> struct device_attribute *attr,
> const char *buf, size_t count)
> {
> - struct cros_ec_dev *ec = to_cros_ec_dev(dev);
> + struct cros_ec_mfd_dev *ec = to_cros_ec_dev(dev);
> struct ec_params_motion_sense *param;
> struct cros_ec_command *msg;
> u16 angle;
> @@ -328,7 +328,7 @@ static umode_t cros_ec_ctrl_visible(struct kobject *kobj,
> struct attribute *a, int n)
> {
> struct device *dev = container_of(kobj, struct device, kobj);
> - struct cros_ec_dev *ec = to_cros_ec_dev(dev);
> + struct cros_ec_mfd_dev *ec = to_cros_ec_dev(dev);
>
> if (a == &dev_attr_kb_wake_angle.attr && !ec->has_kb_wake_angle)
> return 0;
> @@ -343,7 +343,7 @@ static struct attribute_group cros_ec_attr_group = {
>
> static int cros_ec_sysfs_probe(struct platform_device *pd)
> {
> - struct cros_ec_dev *ec_dev = dev_get_drvdata(pd->dev.parent);
> + struct cros_ec_mfd_dev *ec_dev = dev_get_drvdata(pd->dev.parent);
> struct device *dev = &pd->dev;
> int ret;
>
> @@ -356,7 +356,7 @@ static int cros_ec_sysfs_probe(struct platform_device *pd)
>
> static int cros_ec_sysfs_remove(struct platform_device *pd)
> {
> - struct cros_ec_dev *ec_dev = dev_get_drvdata(pd->dev.parent);
> + struct cros_ec_mfd_dev *ec_dev = dev_get_drvdata(pd->dev.parent);
>
> sysfs_remove_group(&ec_dev->class_dev.kobj, &cros_ec_attr_group);
>
> diff --git a/drivers/platform/chrome/cros_ec_vbc.c b/drivers/platform/chrome/cros_ec_vbc.c
> index f11a1283e5c8..6bcc8f6f4965 100644
> --- a/drivers/platform/chrome/cros_ec_vbc.c
> +++ b/drivers/platform/chrome/cros_ec_vbc.c
> @@ -19,7 +19,7 @@ static ssize_t vboot_context_read(struct file *filp, struct kobject *kobj,
> loff_t pos, size_t count)
> {
> struct device *dev = container_of(kobj, struct device, kobj);
> - struct cros_ec_dev *ec = to_cros_ec_dev(dev);
> + struct cros_ec_mfd_dev *ec = to_cros_ec_dev(dev);
> struct cros_ec_device *ecdev = ec->ec_dev;
> struct ec_params_vbnvcontext *params;
> struct cros_ec_command *msg;
> @@ -59,7 +59,7 @@ static ssize_t vboot_context_write(struct file *filp, struct kobject *kobj,
> loff_t pos, size_t count)
> {
> struct device *dev = container_of(kobj, struct device, kobj);
> - struct cros_ec_dev *ec = to_cros_ec_dev(dev);
> + struct cros_ec_mfd_dev *ec = to_cros_ec_dev(dev);
> struct cros_ec_device *ecdev = ec->ec_dev;
> struct ec_params_vbnvcontext *params;
> struct cros_ec_command *msg;
> @@ -109,7 +109,7 @@ static struct attribute_group cros_ec_vbc_attr_group = {
>
> static int cros_ec_vbc_probe(struct platform_device *pd)
> {
> - struct cros_ec_dev *ec_dev = dev_get_drvdata(pd->dev.parent);
> + struct cros_ec_mfd_dev *ec_dev = dev_get_drvdata(pd->dev.parent);
> struct device *dev = &pd->dev;
> int ret;
>
> @@ -124,7 +124,7 @@ static int cros_ec_vbc_probe(struct platform_device *pd)
>
> static int cros_ec_vbc_remove(struct platform_device *pd)
> {
> - struct cros_ec_dev *ec_dev = dev_get_drvdata(pd->dev.parent);
> + struct cros_ec_mfd_dev *ec_dev = dev_get_drvdata(pd->dev.parent);
>
> sysfs_remove_group(&ec_dev->class_dev.kobj,
> &cros_ec_vbc_attr_group);
> diff --git a/drivers/platform/chrome/cros_usbpd_logger.c b/drivers/platform/chrome/cros_usbpd_logger.c
> index 2430e8b82810..56aac618736b 100644
> --- a/drivers/platform/chrome/cros_usbpd_logger.c
> +++ b/drivers/platform/chrome/cros_usbpd_logger.c
> @@ -28,7 +28,7 @@
>
> struct logger_data {
> struct device *dev;
> - struct cros_ec_dev *ec_dev;
> + struct cros_ec_mfd_dev *ec_dev;
> u8 ec_buffer[CROS_USBPD_BUFFER_SIZE];
> struct delayed_work log_work;
> struct workqueue_struct *log_workqueue;
> @@ -61,7 +61,7 @@ static int append_str(char *buf, int pos, const char *fmt, ...)
>
> static struct ec_response_pd_log *ec_get_log_entry(struct logger_data *logger)
> {
> - struct cros_ec_dev *ec_dev = logger->ec_dev;
> + struct cros_ec_mfd_dev *ec_dev = logger->ec_dev;
> struct cros_ec_command *msg;
> int ret;
>
> @@ -194,7 +194,7 @@ static void cros_usbpd_log_check(struct work_struct *work)
>
> static int cros_usbpd_logger_probe(struct platform_device *pd)
> {
> - struct cros_ec_dev *ec_dev = dev_get_drvdata(pd->dev.parent);
> + struct cros_ec_mfd_dev *ec_dev = dev_get_drvdata(pd->dev.parent);
> struct device *dev = &pd->dev;
> struct logger_data *logger;
>
> diff --git a/drivers/power/supply/cros_usbpd-charger.c b/drivers/power/supply/cros_usbpd-charger.c
> index 6bcd4d4f95d9..a3926edeca28 100644
> --- a/drivers/power/supply/cros_usbpd-charger.c
> +++ b/drivers/power/supply/cros_usbpd-charger.c
> @@ -44,7 +44,7 @@ struct port_data {
>
> struct charger_data {
> struct device *dev;
> - struct cros_ec_dev *ec_dev;
> + struct cros_ec_mfd_dev *ec_dev;
> struct cros_ec_device *ec_device;
> int num_charger_ports;
> int num_usbpd_ports;
> @@ -101,7 +101,7 @@ static int cros_usbpd_charger_ec_command(struct charger_data *charger,
> void *indata,
> unsigned int insize)
> {
> - struct cros_ec_dev *ec_dev = charger->ec_dev;
> + struct cros_ec_mfd_dev *ec_dev = charger->ec_dev;
> struct cros_ec_command *msg;
> int ret;
>
> @@ -592,7 +592,7 @@ static void cros_usbpd_charger_unregister_notifier(void *data)
>
> static int cros_usbpd_charger_probe(struct platform_device *pd)
> {
> - struct cros_ec_dev *ec_dev = dev_get_drvdata(pd->dev.parent);
> + struct cros_ec_mfd_dev *ec_dev = dev_get_drvdata(pd->dev.parent);
> struct cros_ec_device *ec_device = ec_dev->ec_dev;
> struct power_supply_desc *psy_desc;
> struct device *dev = &pd->dev;
> diff --git a/drivers/rtc/rtc-cros-ec.c b/drivers/rtc/rtc-cros-ec.c
> index 6909e01936d9..fbc54915b4c5 100644
> --- a/drivers/rtc/rtc-cros-ec.c
> +++ b/drivers/rtc/rtc-cros-ec.c
> @@ -321,7 +321,7 @@ static SIMPLE_DEV_PM_OPS(cros_ec_rtc_pm_ops, cros_ec_rtc_suspend,
>
> static int cros_ec_rtc_probe(struct platform_device *pdev)
> {
> - struct cros_ec_dev *ec_dev = dev_get_drvdata(pdev->dev.parent);
> + struct cros_ec_mfd_dev *ec_dev = dev_get_drvdata(pdev->dev.parent);
> struct cros_ec_device *cros_ec = ec_dev->ec_dev;
> struct cros_ec_rtc *cros_ec_rtc;
> struct rtc_time tm;
> diff --git a/include/linux/mfd/cros_ec.h b/include/linux/mfd/cros_ec.h
> index 7d3d58f4e358..565a9903b15e 100644
> --- a/include/linux/mfd/cros_ec.h
> +++ b/include/linux/mfd/cros_ec.h
> @@ -11,7 +11,7 @@
> #include <linux/device.h>
>
> /**
> - * struct cros_ec_dev - ChromeOS EC device entry point.
> + * struct cros_ec_mfd_dev - ChromeOS EC device entry point.
> * @class_dev: Device structure used in sysfs.
> * @ec_dev: cros_ec_device structure to talk to the physical device.
> * @dev: Pointer to the platform device.
> @@ -20,7 +20,7 @@
> * @cmd_offset: Offset to apply for each command.
> * @features: Features supported by the EC.
> */
> -struct cros_ec_dev {
> +struct cros_ec_mfd_dev {
> struct device class_dev;
> struct cros_ec_device *ec_dev;
> struct device *dev;
> @@ -30,7 +30,7 @@ struct cros_ec_dev {
> u32 features[2];
> };
>
> -#define to_cros_ec_dev(dev) container_of(dev, struct cros_ec_dev, class_dev)
> +#define to_cros_ec_dev(dev) container_of(dev, struct cros_ec_mfd_dev, class_dev)
>
> /**
> * cros_ec_check_features - Test for the presence of EC features
> @@ -41,6 +41,6 @@ struct cros_ec_dev {
> * @msg: One of ec_feature_code values
> * @return: 1 if supported, 0 if not
> */
> -int cros_ec_check_features(struct cros_ec_dev *ec, int feature);
> +int cros_ec_check_features(struct cros_ec_mfd_dev *ec, int feature);
>
> #endif /* __LINUX_MFD_CROS_EC_H */
> diff --git a/include/linux/platform_data/cros_ec_pd_update.h b/include/linux/platform_data/cros_ec_pd_update.h
> index eea0cb6e1f91..ea4a64dca84c 100644
> --- a/include/linux/platform_data/cros_ec_pd_update.h
> +++ b/include/linux/platform_data/cros_ec_pd_update.h
> @@ -97,13 +97,13 @@ enum cros_ec_pd_find_update_firmware_result {
> */
> int cros_ec_pd_get_status(
> struct device *dev,
> - struct cros_ec_dev *pd_dev,
> + struct cros_ec_mfd_dev *pd_dev,
> int port,
> struct ec_params_usb_pd_rw_hash_entry *hash_entry,
> struct ec_params_usb_pd_discovery_entry *discovery_entry);
>
> /* Store our PD device pointer so we can send update-related commands. */
> -extern struct cros_ec_dev *cros_ec_pd_ec;
> +extern struct cros_ec_mfd_dev *cros_ec_pd_ec;
>
> /*
> * firmware_images - Keep this updated with the latest RW FW + hash for each
>
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