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Date: Wed, 30 Aug 2017 14:59:10 +0530
From: Keerthy <j-keerthy@...com>
To: <lee.jones@...aro.org>
CC: <eballetbo@...il.com>, <linux-omap@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <broonie@...nel.org>,
<tony@...mide.com>, <b.zolnierkie@...sung.com>,
<javier@...hile0.org>, <j-keerthy@...com>
Subject: [PATCH v4] mfd: tps65217: Introduce dependency on CONFIG_OF
Currently the driver boots only via device tree hence add a
dependency on CONFIG_OF. This leaves with a bunch of unused code
so clean that up. This patch also makes use of probe_new function
in place of the probe function so as to avoid passing i2c_device_id.
Signed-off-by: Keerthy <j-keerthy@...com>
Reviewed-by: Javier Martinez Canillas <javierm@...hat.com>
---
Changes in v4:
* Added Javier's Reviewed-by.
* Added back I2C Device ID struct as it is needed for module autoprobe.
Changes in v3:
* Added more details to commit log.
* No changes in code. Rebased to latest next branch.
Changes in v2:
* Cleaned up chip_id and data attached to the match.
* Cleaned up i2c_dev_id
* dropped the rest of the patches in series for now
Boot tested and checked for regulator registrations on am335x-boneblack
both as part of zImage and as module autoprobed.
drivers/mfd/Kconfig | 2 +-
drivers/mfd/tps65217.c | 28 +++++-----------------------
drivers/regulator/tps65217-regulator.c | 5 -----
drivers/video/backlight/tps65217_bl.c | 14 +++-----------
include/linux/mfd/tps65217.h | 6 ------
5 files changed, 9 insertions(+), 46 deletions(-)
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index c601ee1..1d5be80 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1338,7 +1338,7 @@ config MFD_TPS65090
config MFD_TPS65217
tristate "TI TPS65217 Power Management / White LED chips"
- depends on I2C
+ depends on I2C && OF
select MFD_CORE
select REGMAP_I2C
select IRQ_DOMAIN
diff --git a/drivers/mfd/tps65217.c b/drivers/mfd/tps65217.c
index f769c7d..7566ce4 100644
--- a/drivers/mfd/tps65217.c
+++ b/drivers/mfd/tps65217.c
@@ -311,37 +311,20 @@ static bool tps65217_volatile_reg(struct device *dev, unsigned int reg)
};
static const struct of_device_id tps65217_of_match[] = {
- { .compatible = "ti,tps65217", .data = (void *)TPS65217 },
+ { .compatible = "ti,tps65217"},
{ /* sentinel */ },
};
MODULE_DEVICE_TABLE(of, tps65217_of_match);
-static int tps65217_probe(struct i2c_client *client,
- const struct i2c_device_id *ids)
+static int tps65217_probe(struct i2c_client *client)
{
struct tps65217 *tps;
unsigned int version;
- unsigned long chip_id = ids->driver_data;
- const struct of_device_id *match;
bool status_off = false;
int ret;
- if (client->dev.of_node) {
- match = of_match_device(tps65217_of_match, &client->dev);
- if (!match) {
- dev_err(&client->dev,
- "Failed to find matching dt id\n");
- return -EINVAL;
- }
- chip_id = (unsigned long)match->data;
- status_off = of_property_read_bool(client->dev.of_node,
- "ti,pmic-shutdown-controller");
- }
-
- if (!chip_id) {
- dev_err(&client->dev, "id is null.\n");
- return -ENODEV;
- }
+ status_off = of_property_read_bool(client->dev.of_node,
+ "ti,pmic-shutdown-controller");
tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
if (!tps)
@@ -349,7 +332,6 @@ static int tps65217_probe(struct i2c_client *client,
i2c_set_clientdata(client, tps);
tps->dev = &client->dev;
- tps->id = chip_id;
tps->regmap = devm_regmap_init_i2c(client, &tps65217_regmap_config);
if (IS_ERR(tps->regmap)) {
@@ -430,7 +412,7 @@ static int tps65217_remove(struct i2c_client *client)
.of_match_table = tps65217_of_match,
},
.id_table = tps65217_id_table,
- .probe = tps65217_probe,
+ .probe_new = tps65217_probe,
.remove = tps65217_remove,
};
diff --git a/drivers/regulator/tps65217-regulator.c b/drivers/regulator/tps65217-regulator.c
index 5324dc9..7b12e88 100644
--- a/drivers/regulator/tps65217-regulator.c
+++ b/drivers/regulator/tps65217-regulator.c
@@ -228,11 +228,6 @@ static int tps65217_regulator_probe(struct platform_device *pdev)
int i, ret;
unsigned int val;
- if (tps65217_chip_id(tps) != TPS65217) {
- dev_err(&pdev->dev, "Invalid tps chip version\n");
- return -ENODEV;
- }
-
/* Allocate memory for strobes */
tps->strobes = devm_kzalloc(&pdev->dev, sizeof(u8) *
TPS65217_NUM_REGULATOR, GFP_KERNEL);
diff --git a/drivers/video/backlight/tps65217_bl.c b/drivers/video/backlight/tps65217_bl.c
index fd524ad..5ce8791 100644
--- a/drivers/video/backlight/tps65217_bl.c
+++ b/drivers/video/backlight/tps65217_bl.c
@@ -275,17 +275,9 @@ static int tps65217_bl_probe(struct platform_device *pdev)
struct tps65217_bl_pdata *pdata;
struct backlight_properties bl_props;
- if (tps->dev->of_node) {
- pdata = tps65217_bl_parse_dt(pdev);
- if (IS_ERR(pdata))
- return PTR_ERR(pdata);
- } else {
- pdata = dev_get_platdata(&pdev->dev);
- if (!pdata) {
- dev_err(&pdev->dev, "no platform data provided\n");
- return -EINVAL;
- }
- }
+ pdata = tps65217_bl_parse_dt(pdev);
+ if (IS_ERR(pdata))
+ return PTR_ERR(pdata);
tps65217_bl = devm_kzalloc(&pdev->dev, sizeof(*tps65217_bl),
GFP_KERNEL);
diff --git a/include/linux/mfd/tps65217.h b/include/linux/mfd/tps65217.h
index eac2857..b5dd108 100644
--- a/include/linux/mfd/tps65217.h
+++ b/include/linux/mfd/tps65217.h
@@ -263,7 +263,6 @@ struct tps65217_board {
struct tps65217 {
struct device *dev;
struct tps65217_board *pdata;
- unsigned long id;
struct regulator_desc desc[TPS65217_NUM_REGULATOR];
struct regmap *regmap;
u8 *strobes;
@@ -278,11 +277,6 @@ static inline struct tps65217 *dev_to_tps65217(struct device *dev)
return dev_get_drvdata(dev);
}
-static inline unsigned long tps65217_chip_id(struct tps65217 *tps65217)
-{
- return tps65217->id;
-}
-
int tps65217_reg_read(struct tps65217 *tps, unsigned int reg,
unsigned int *val);
int tps65217_reg_write(struct tps65217 *tps, unsigned int reg,
--
1.9.1
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