2023-10-17 20:36:40

by Rob Herring

[permalink] [raw]
Subject: [RESEND PATCH] mfd: Use i2c_get_match_data()

Use preferred i2c_get_match_data() instead of of_match_device() and
i2c driver_data to get the driver match data. With this, adjust the
includes to explicitly include the correct headers.

Signed-off-by: Rob Herring <[email protected]>
---
drivers/mfd/lochnagar-i2c.c | 9 ++-------
drivers/mfd/lp87565.c | 9 +++------
drivers/mfd/max14577.c | 14 +++-----------
drivers/mfd/rn5t618.c | 11 ++---------
drivers/mfd/wm831x-i2c.c | 16 ++++------------
drivers/mfd/wm8994-core.c | 11 +----------
6 files changed, 15 insertions(+), 55 deletions(-)

diff --git a/drivers/mfd/lochnagar-i2c.c b/drivers/mfd/lochnagar-i2c.c
index 59092f839d65..0b76fcccd0bd 100644
--- a/drivers/mfd/lochnagar-i2c.c
+++ b/drivers/mfd/lochnagar-i2c.c
@@ -15,8 +15,8 @@
#include <linux/i2c.h>
#include <linux/lockdep.h>
#include <linux/mfd/core.h>
+#include <linux/mod_devicetable.h>
#include <linux/mutex.h>
-#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/regmap.h>

@@ -270,7 +270,6 @@ static int lochnagar_i2c_probe(struct i2c_client *i2c)
{
struct device *dev = &i2c->dev;
const struct lochnagar_config *config = NULL;
- const struct of_device_id *of_id;
struct lochnagar *lochnagar;
struct gpio_desc *reset, *present;
unsigned int val;
@@ -282,11 +281,7 @@ static int lochnagar_i2c_probe(struct i2c_client *i2c)
if (!lochnagar)
return -ENOMEM;

- of_id = of_match_device(lochnagar_of_match, dev);
- if (!of_id)
- return -EINVAL;
-
- config = of_id->data;
+ config = i2c_get_match_data(i2c);

lochnagar->dev = dev;
mutex_init(&lochnagar->analogue_config_lock);
diff --git a/drivers/mfd/lp87565.c b/drivers/mfd/lp87565.c
index 1b7f8349911d..08c62ddfb4f5 100644
--- a/drivers/mfd/lp87565.c
+++ b/drivers/mfd/lp87565.c
@@ -6,10 +6,11 @@
*/

#include <linux/gpio/consumer.h>
+#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/mfd/core.h>
+#include <linux/mod_devicetable.h>
#include <linux/module.h>
-#include <linux/of_device.h>
#include <linux/regmap.h>

#include <linux/mfd/lp87565.h>
@@ -46,7 +47,6 @@ MODULE_DEVICE_TABLE(of, of_lp87565_match_table);
static int lp87565_probe(struct i2c_client *client)
{
struct lp87565 *lp87565;
- const struct of_device_id *of_id;
int ret;
unsigned int otpid;

@@ -89,10 +89,7 @@ static int lp87565_probe(struct i2c_client *client)
}

lp87565->rev = otpid & LP87565_OTP_REV_OTP_ID;
-
- of_id = of_match_device(of_lp87565_match_table, &client->dev);
- if (of_id)
- lp87565->dev_type = (uintptr_t)of_id->data;
+ lp87565->dev_type = (uintptr_t)i2c_get_match_data(client);

i2c_set_clientdata(client, lp87565);

diff --git a/drivers/mfd/max14577.c b/drivers/mfd/max14577.c
index 1f4f5002595c..8f7472c76009 100644
--- a/drivers/mfd/max14577.c
+++ b/drivers/mfd/max14577.c
@@ -9,9 +9,10 @@
// This driver is based on max8997.c

#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/interrupt.h>
-#include <linux/of_device.h>
#include <linux/mfd/core.h>
#include <linux/mfd/max14577.h>
#include <linux/mfd/max14577-private.h>
@@ -357,7 +358,6 @@ static void max77836_remove(struct max14577 *max14577)

static int max14577_i2c_probe(struct i2c_client *i2c)
{
- const struct i2c_device_id *id = i2c_client_get_device_id(i2c);
struct max14577 *max14577;
struct max14577_platform_data *pdata = dev_get_platdata(&i2c->dev);
struct device_node *np = i2c->dev.of_node;
@@ -397,15 +397,7 @@ static int max14577_i2c_probe(struct i2c_client *i2c)
return ret;
}

- if (np) {
- const struct of_device_id *of_id;
-
- of_id = of_match_device(max14577_dt_match, &i2c->dev);
- if (of_id)
- max14577->dev_type = (uintptr_t)of_id->data;
- } else {
- max14577->dev_type = id->driver_data;
- }
+ max14577->dev_type = (enum maxim_device_type)i2c_get_match_data(i2c);

max14577_print_dev_type(max14577);

diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c
index 0fe616b2db8e..7336e6d8a001 100644
--- a/drivers/mfd/rn5t618.c
+++ b/drivers/mfd/rn5t618.c
@@ -13,7 +13,7 @@
#include <linux/mfd/core.h>
#include <linux/mfd/rn5t618.h>
#include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/reboot.h>
#include <linux/regmap.h>
@@ -179,22 +179,15 @@ MODULE_DEVICE_TABLE(of, rn5t618_of_match);

static int rn5t618_i2c_probe(struct i2c_client *i2c)
{
- const struct of_device_id *of_id;
struct rn5t618 *priv;
int ret;

- of_id = of_match_device(rn5t618_of_match, &i2c->dev);
- if (!of_id) {
- dev_err(&i2c->dev, "Failed to find matching DT ID\n");
- return -EINVAL;
- }
-
priv = devm_kzalloc(&i2c->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;

i2c_set_clientdata(i2c, priv);
- priv->variant = (long)of_id->data;
+ priv->variant = (long)i2c_get_match_data(i2c);
priv->irq = i2c->irq;
priv->dev = &i2c->dev;

diff --git a/drivers/mfd/wm831x-i2c.c b/drivers/mfd/wm831x-i2c.c
index 694ddbbf0372..9bee007f9c99 100644
--- a/drivers/mfd/wm831x-i2c.c
+++ b/drivers/mfd/wm831x-i2c.c
@@ -15,7 +15,6 @@
#include <linux/slab.h>
#include <linux/err.h>
#include <linux/of.h>
-#include <linux/of_device.h>
#include <linux/regmap.h>

#include <linux/mfd/wm831x/core.h>
@@ -23,22 +22,15 @@

static int wm831x_i2c_probe(struct i2c_client *i2c)
{
- const struct i2c_device_id *id = i2c_client_get_device_id(i2c);
struct wm831x_pdata *pdata = dev_get_platdata(&i2c->dev);
- const struct of_device_id *of_id;
struct wm831x *wm831x;
enum wm831x_parent type;
int ret;

- if (i2c->dev.of_node) {
- of_id = of_match_device(wm831x_of_match, &i2c->dev);
- if (!of_id) {
- dev_err(&i2c->dev, "Failed to match device\n");
- return -ENODEV;
- }
- type = (uintptr_t)of_id->data;
- } else {
- type = (enum wm831x_parent)id->driver_data;
+ type = (uintptr_t)i2c_get_match_data(i2c);
+ if (!type) {
+ dev_err(&i2c->dev, "Failed to match device\n");
+ return -ENODEV;
}

wm831x = devm_kzalloc(&i2c->dev, sizeof(struct wm831x), GFP_KERNEL);
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index aba7af688175..d5ac066f9db4 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -15,7 +15,6 @@
#include <linux/delay.h>
#include <linux/mfd/core.h>
#include <linux/of.h>
-#include <linux/of_device.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
@@ -612,8 +611,6 @@ MODULE_DEVICE_TABLE(of, wm8994_of_match);

static int wm8994_i2c_probe(struct i2c_client *i2c)
{
- const struct i2c_device_id *id = i2c_client_get_device_id(i2c);
- const struct of_device_id *of_id;
struct wm8994 *wm8994;
int ret;

@@ -625,13 +622,7 @@ static int wm8994_i2c_probe(struct i2c_client *i2c)
wm8994->dev = &i2c->dev;
wm8994->irq = i2c->irq;

- if (i2c->dev.of_node) {
- of_id = of_match_device(wm8994_of_match, &i2c->dev);
- if (of_id)
- wm8994->type = (uintptr_t)of_id->data;
- } else {
- wm8994->type = id->driver_data;
- }
+ wm8994->type = (enum wm8994_type)i2c_get_match_data(i2c);

wm8994->regmap = devm_regmap_init_i2c(i2c, &wm8994_base_regmap_config);
if (IS_ERR(wm8994->regmap)) {
--
2.42.0


2023-10-18 15:34:40

by Chanwoo Choi

[permalink] [raw]
Subject: Re: [RESEND PATCH] mfd: Use i2c_get_match_data()

On 23. 10. 18. 05:36, Rob Herring wrote:
> Use preferred i2c_get_match_data() instead of of_match_device() and
> i2c driver_data to get the driver match data. With this, adjust the
> includes to explicitly include the correct headers.
>
> Signed-off-by: Rob Herring <[email protected]>
> ---
> drivers/mfd/lochnagar-i2c.c | 9 ++-------
> drivers/mfd/lp87565.c | 9 +++------
> drivers/mfd/max14577.c | 14 +++-----------
> drivers/mfd/rn5t618.c | 11 ++---------
> drivers/mfd/wm831x-i2c.c | 16 ++++------------
> drivers/mfd/wm8994-core.c | 11 +----------
> 6 files changed, 15 insertions(+), 55 deletions(-)
>

For max14577 mfd,

Reviewed-by: Chanwoo Choi <[email protected]>

--
Best Regards,
Samsung Electronics
Chanwoo Choi

2023-10-19 14:34:08

by Lee Jones

[permalink] [raw]
Subject: Re: (subset) [RESEND PATCH] mfd: Use i2c_get_match_data()

On Tue, 17 Oct 2023 15:36:02 -0500, Rob Herring wrote:
> Use preferred i2c_get_match_data() instead of of_match_device() and
> i2c driver_data to get the driver match data. With this, adjust the
> includes to explicitly include the correct headers.
>
>

Applied, thanks!

[1/1] mfd: Use i2c_get_match_data()
commit: 6d9c06f7e47bdf86cf1760f6bc5f41cb59fde829

--
Lee Jones [李琼斯]