mfd: twl4030-power: Split from twl-core into a dedicated module
For now, the call to twl4030-power is hard-wired inside twl-core.
To ease the future transition to DT, make twl4030-power as a
separate module, like what is already done for twl4030-audio
and others.
Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c
index dd362c1..94bcbee 100644
--- a/drivers/mfd/twl4030-power.c
+++ b/drivers/mfd/twl4030-power.c
@@ -507,8 +507,9 @@
pr_err("TWL4030 Unable to power off\n");
}
-void twl4030_power_init(struct twl4030_power_data *twl4030_scripts)
+int twl4030_power_probe(struct platform_device *pdev)
{
+ struct twl4030_power_data *pdata = pdev->dev.platform_data;
int err = 0;
int i;
struct twl4030_resconfig *resconfig;
@@ -524,14 +525,14 @@
if (err)
goto unlock;
- for (i = 0; i < twl4030_scripts->num; i++) {
- err = load_twl4030_script(twl4030_scripts->scripts[i], address);
+ for (i = 0; i < pdata->num; i++) {
+ err = load_twl4030_script(pdata->scripts[i], address);
if (err)
goto load;
- address += twl4030_scripts->scripts[i]->size;
+ address += pdata->scripts[i]->size;
}
- resconfig = twl4030_scripts->resource_config;
+ resconfig = pdata->resource_config;
if (resconfig) {
while (resconfig->resource) {
err = twl4030_configure_resource(resconfig);
@@ -543,7 +544,7 @@
}
/* Board has to be wired properly to use this feature */
- if (twl4030_scripts->use_poweroff && !pm_power_off) {
+ if (pdata->use_poweroff && !pm_power_off) {
/* Default for SEQ_OFFSYNC is set, lets ensure this */
err = twl_i2c_read_u8(TWL_MODULE_PM_MASTER, &val,
TWL4030_PM_MASTER_CFG_P123_TRANSITION);
@@ -568,18 +569,40 @@
TWL4030_PM_MASTER_PROTECT_KEY);
if (err)
pr_err("TWL4030 Unable to relock registers\n");
- return;
+ return err;
unlock:
if (err)
pr_err("TWL4030 Unable to unlock registers\n");
- return;
+ return err;
load:
if (err)
pr_err("TWL4030 failed to load scripts\n");
- return;
+ return err;
resource:
if (err)
pr_err("TWL4030 failed to configure resource\n");
- return;
+ return err;
}
+
+static int twl4030_power_remove(struct platform_device *pdev)
+{
+ return 0;
+}
+
+static struct platform_driver twl4030_power_driver = {
+ .driver = {
+ .name = "twl4030_power",
+ .owner = THIS_MODULE,
+ },
+ .probe = twl4030_power_probe,
+ .remove = twl4030_power_remove,
+};
+
+module_platform_driver(twl4030_power_driver);
+
+MODULE_AUTHOR("Nokia Corporation");
+MODULE_AUTHOR("Texas Instruments, Inc.");
+MODULE_DESCRIPTION("Power management for TWL4030");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:twl4030_power");