mfd/tc3589x: add block identifier for multiple child devices
Add block identifier to be able to add multiple mfd clients
to the mfd core
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Sundar Iyer <sundar.iyer@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
diff --git a/drivers/mfd/tc3589x.c b/drivers/mfd/tc3589x.c
index 7deff53..0ed9669 100644
--- a/drivers/mfd/tc3589x.c
+++ b/drivers/mfd/tc3589x.c
@@ -129,7 +129,7 @@
},
};
-static struct mfd_cell tc3589x_devs[] = {
+static struct mfd_cell tc3589x_dev_gpio[] = {
{
.name = "tc3589x-gpio",
.num_resources = ARRAY_SIZE(gpio_resources),
@@ -240,6 +240,26 @@
return tc3589x_reg_write(tc3589x, TC3589x_RSTINTCLR, 0x1);
}
+static int __devinit tc3589x_device_init(struct tc3589x *tc3589x)
+{
+ int ret = 0;
+ unsigned int blocks = tc3589x->pdata->block;
+
+ if (blocks & TC3589x_BLOCK_GPIO) {
+ ret = mfd_add_devices(tc3589x->dev, -1, tc3589x_dev_gpio,
+ ARRAY_SIZE(tc3589x_dev_gpio), NULL,
+ tc3589x->irq_base);
+ if (ret) {
+ dev_err(tc3589x->dev, "failed to add gpio child\n");
+ return ret;
+ }
+ dev_info(tc3589x->dev, "added gpio block\n");
+ }
+
+ return ret;
+
+}
+
static int __devinit tc3589x_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
@@ -281,11 +301,9 @@
goto out_removeirq;
}
- ret = mfd_add_devices(tc3589x->dev, -1, tc3589x_devs,
- ARRAY_SIZE(tc3589x_devs), NULL,
- tc3589x->irq_base);
+ ret = tc3589x_device_init(tc3589x);
if (ret) {
- dev_err(tc3589x->dev, "failed to add children\n");
+ dev_err(tc3589x->dev, "failed to add child devices\n");
goto out_freeirq;
}