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authorFlorian Vaussard <florian.vaussard@epfl.ch>2013-06-18 15:17:57 +0200
committerSamuel Ortiz <sameo@linux.intel.com>2013-06-19 10:19:40 +0200
commitf58cb407632ecf0ec01627b8a61852d5585b573d (patch)
treec1bc31a70746c40e53928a5842f12a2a51a1947a /drivers/mfd
parent637d6895f8f5ecc041ca6f521f544bb3d5699416 (diff)
mfd: twl4030-power: Simplify probing of power scripts and resources
Increase lisibility when probing power scripts and resources by creating dedicated functions. Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/twl4030-power.c60
1 files changed, 40 insertions, 20 deletions
diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c
index 94bcbeed1d62..d36622d0f98a 100644
--- a/drivers/mfd/twl4030-power.c
+++ b/drivers/mfd/twl4030-power.c
@@ -492,6 +492,39 @@ int twl4030_remove_script(u8 flags)
return err;
}
+int twl4030_power_configure_scripts(struct twl4030_power_data *pdata)
+{
+ int err;
+ int i;
+ u8 address = twl4030_start_script_address;
+
+ for (i = 0; i < pdata->num; i++) {
+ err = load_twl4030_script(pdata->scripts[i], address);
+ if (err)
+ return err;
+ address += pdata->scripts[i]->size;
+ }
+
+ return 0;
+}
+
+int twl4030_power_configure_resources(struct twl4030_power_data *pdata)
+{
+ struct twl4030_resconfig *resconfig = pdata->resource_config;
+ int err;
+
+ if (resconfig) {
+ while (resconfig->resource) {
+ err = twl4030_configure_resource(resconfig);
+ if (err)
+ return err;
+ resconfig++;
+ }
+ }
+
+ return 0;
+}
+
/*
* In master mode, start the power off sequence.
* After a successful execution, TWL shuts down the power to the SoC
@@ -511,9 +544,7 @@ 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;
- u8 val, address = twl4030_start_script_address;
+ u8 val;
err = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, TWL4030_PM_MASTER_KEY_CFG1,
TWL4030_PM_MASTER_PROTECT_KEY);
@@ -525,23 +556,12 @@ int twl4030_power_probe(struct platform_device *pdev)
if (err)
goto unlock;
- for (i = 0; i < pdata->num; i++) {
- err = load_twl4030_script(pdata->scripts[i], address);
- if (err)
- goto load;
- address += pdata->scripts[i]->size;
- }
-
- resconfig = pdata->resource_config;
- if (resconfig) {
- while (resconfig->resource) {
- err = twl4030_configure_resource(resconfig);
- if (err)
- goto resource;
- resconfig++;
-
- }
- }
+ err = twl4030_power_configure_scripts(pdata);
+ if (err)
+ goto load;
+ err = twl4030_power_configure_resources(pdata);
+ if (err)
+ goto resource;
/* Board has to be wired properly to use this feature */
if (pdata->use_poweroff && !pm_power_off) {