mfd: 88pm80x: Change chip id definition and detection
Change the chip id definition and detection and then:
1. We no longer need to add PM800_CHIP_XXX for the coming revision.
2. We no longer need to pass driver_data in i2c_device_id as we
can distinguish the chips from the CHIP_ID register.
Signed-off-by: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mfd/88pm805.c b/drivers/mfd/88pm805.c
index 0e82c2a..5216022 100644
--- a/drivers/mfd/88pm805.c
+++ b/drivers/mfd/88pm805.c
@@ -29,10 +29,8 @@
#include <linux/slab.h>
#include <linux/delay.h>
-#define PM805_CHIP_ID (0x00)
-
static const struct i2c_device_id pm80x_id_table[] = {
- {"88PM805", CHIP_PM805},
+ {"88PM805", 0},
{} /* NULL terminated */
};
MODULE_DEVICE_TABLE(i2c, pm80x_id_table);
@@ -192,7 +190,6 @@
static int device_805_init(struct pm80x_chip *chip)
{
int ret = 0;
- unsigned int val;
struct regmap *map = chip->regmap;
if (!map) {
@@ -200,13 +197,6 @@
return -EINVAL;
}
- ret = regmap_read(map, PM805_CHIP_ID, &val);
- if (ret < 0) {
- dev_err(chip->dev, "Failed to read CHIP ID: %d\n", ret);
- goto out_irq_init;
- }
- chip->version = val;
-
chip->regmap_irq_chip = &pm805_irq_chip;
ret = device_irq_init_805(chip);
@@ -239,7 +229,7 @@
struct pm80x_chip *chip;
struct pm80x_platform_data *pdata = client->dev.platform_data;
- ret = pm80x_init(client, id);
+ ret = pm80x_init(client);
if (ret) {
dev_err(&client->dev, "pm805_init fail!\n");
goto out_init;
@@ -249,7 +239,7 @@
ret = device_805_init(chip);
if (ret) {
- dev_err(chip->dev, "%s id 0x%x failed!\n", __func__, chip->id);
+ dev_err(chip->dev, "Failed to initialize 88pm805 devices\n");
goto err_805_init;
}