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path: root/drivers/mfd/max77620.c
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Diffstat (limited to 'drivers/mfd/max77620.c')
-rw-r--r--drivers/mfd/max77620.c47
1 files changed, 28 insertions, 19 deletions
diff --git a/drivers/mfd/max77620.c b/drivers/mfd/max77620.c
index fec2096474ad..3af2974b3023 100644
--- a/drivers/mfd/max77620.c
+++ b/drivers/mfd/max77620.c
@@ -29,8 +29,8 @@
#include <linux/mfd/core.h>
#include <linux/mfd/max77620.h>
#include <linux/init.h>
+#include <linux/module.h>
#include <linux/of.h>
-#include <linux/of_device.h>
#include <linux/regmap.h>
#include <linux/slab.h>
@@ -173,7 +173,7 @@ static const struct regmap_config max77620_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = MAX77620_REG_DVSSD4 + 1,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.rd_table = &max77620_readable_table,
.wr_table = &max77620_writable_table,
.volatile_table = &max77620_volatile_table,
@@ -185,7 +185,7 @@ static const struct regmap_config max20024_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = MAX20024_REG_MAX_ADD + 1,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.rd_table = &max20024_readable_table,
.wr_table = &max77620_writable_table,
.volatile_table = &max77620_volatile_table,
@@ -214,7 +214,7 @@ static const struct regmap_config max77663_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = MAX77620_REG_CID5 + 1,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.rd_table = &max77663_readable_table,
.wr_table = &max77663_writable_table,
.volatile_table = &max77620_volatile_table,
@@ -254,7 +254,7 @@ static int max77620_irq_global_unmask(void *irq_drv_data)
return ret;
}
-static struct regmap_irq_chip max77620_top_irq_chip = {
+static const struct regmap_irq_chip max77620_top_irq_chip = {
.name = "max77620-top",
.irqs = max77620_top_irqs,
.num_irqs = ARRAY_SIZE(max77620_top_irqs),
@@ -401,7 +401,7 @@ static int max77620_config_fps(struct max77620_chip *chip,
static int max77620_initialise_fps(struct max77620_chip *chip)
{
struct device *dev = chip->dev;
- struct device_node *fps_np, *fps_child;
+ struct device_node *fps_np;
u8 config;
int fps_id;
int ret;
@@ -415,13 +415,14 @@ static int max77620_initialise_fps(struct max77620_chip *chip)
if (!fps_np)
goto skip_fps;
- for_each_child_of_node(fps_np, fps_child) {
+ for_each_child_of_node_scoped(fps_np, fps_child) {
ret = max77620_config_fps(chip, fps_child);
if (ret < 0) {
- of_node_put(fps_child);
+ of_node_put(fps_np);
return ret;
}
}
+ of_node_put(fps_np);
config = chip->enable_global_lpm ? MAX77620_ONOFFCNFG2_SLP_LPM_MSK : 0;
ret = regmap_update_bits(chip->rmap, MAX77620_REG_ONOFFCNFG2,
@@ -492,11 +493,12 @@ static void max77620_pm_power_off(void)
MAX77620_ONOFFCNFG1_SFT_RST);
}
-static int max77620_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int max77620_probe(struct i2c_client *client)
{
+ const struct i2c_device_id *id = i2c_client_get_device_id(client);
const struct regmap_config *rmap_config;
struct max77620_chip *chip;
+ struct regmap_irq_chip *chip_desc;
const struct mfd_cell *mfd_cells;
int n_mfd_cells;
bool pm_off;
@@ -507,6 +509,14 @@ static int max77620_probe(struct i2c_client *client,
return -ENOMEM;
i2c_set_clientdata(client, chip);
+
+ chip_desc = devm_kmemdup(&client->dev, &max77620_top_irq_chip,
+ sizeof(max77620_top_irq_chip),
+ GFP_KERNEL);
+ if (!chip_desc)
+ return -ENOMEM;
+ chip_desc->irq_drv_data = chip;
+
chip->dev = &client->dev;
chip->chip_irq = client->irq;
chip->chip_id = (enum max77620_chip_id)id->driver_data;
@@ -543,11 +553,9 @@ static int max77620_probe(struct i2c_client *client,
if (ret < 0)
return ret;
- max77620_top_irq_chip.irq_drv_data = chip;
ret = devm_regmap_add_irq_chip(chip->dev, chip->rmap, client->irq,
IRQF_ONESHOT | IRQF_SHARED, 0,
- &max77620_top_irq_chip,
- &chip->top_irq_data);
+ chip_desc, &chip->top_irq_data);
if (ret < 0) {
dev_err(chip->dev, "Failed to add regmap irq: %d\n", ret);
return ret;
@@ -574,7 +582,6 @@ static int max77620_probe(struct i2c_client *client,
return 0;
}
-#ifdef CONFIG_PM_SLEEP
static int max77620_set_fps_period(struct max77620_chip *chip,
int fps_id, int time_period)
{
@@ -681,7 +688,6 @@ out:
return 0;
}
-#endif
static const struct i2c_device_id max77620_id[] = {
{"max77620", MAX77620},
@@ -690,16 +696,19 @@ static const struct i2c_device_id max77620_id[] = {
{},
};
-static const struct dev_pm_ops max77620_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(max77620_i2c_suspend, max77620_i2c_resume)
-};
+static DEFINE_SIMPLE_DEV_PM_OPS(max77620_pm_ops,
+ max77620_i2c_suspend, max77620_i2c_resume);
static struct i2c_driver max77620_driver = {
.driver = {
.name = "max77620",
- .pm = &max77620_pm_ops,
+ .pm = pm_sleep_ptr(&max77620_pm_ops),
},
.probe = max77620_probe,
.id_table = max77620_id,
};
builtin_i2c_driver(max77620_driver);
+
+MODULE_DESCRIPTION("Maxim Semiconductor MAX77620 and MAX20024 PMIC Support");
+MODULE_AUTHOR("Laxman Dewangan <ldewangan@nvidia.com>");
+MODULE_LICENSE("GPL");