pda_power: add init and exit function callbacks

This adds init/exit function callbacks to pda_power, to
provide a place where the platform code can request/free
GPIOs that it wants to use in the is_ac_online, is_usb_online
and set_charge functions.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>

diff --git a/drivers/power/pda_power.c b/drivers/power/pda_power.c
index c8aa55b..82810b7 100644 (file)
--- a/drivers/power/pda_power.c
+++ b/drivers/power/pda_power.c
@@ -209,6 +209,12 @@ static int pda_power_probe(struct platform_device *pdev)
 
        pdata = pdev->dev.platform_data;
 
+       if (pdata->init) {
+               ret = pdata->init(dev);
+               if (ret < 0)
+                       goto init_failed;
+       }
+
        update_status();
        update_charger();
 
@@ -298,6 +304,9 @@ ac_irq_failed:
        if (pdata->is_ac_online)
                power_supply_unregister(&pda_psy_ac);
 ac_supply_failed:
+       if (pdata->exit)
+               pdata->exit(dev);
+init_failed:
 wrongid:
        return ret;
 }
@@ -318,6 +327,8 @@ static int pda_power_remove(struct platform_device *pdev)
                power_supply_unregister(&pda_psy_usb);
        if (pdata->is_ac_online)
                power_supply_unregister(&pda_psy_ac);
+       if (pdata->exit)
+               pdata->exit(dev);
 
        return 0;
 }

diff --git a/include/linux/pda_power.h b/include/linux/pda_power.h
index 225beb1..cb7d10f 100644 (file)
--- a/include/linux/pda_power.h
+++ b/include/linux/pda_power.h
@@ -16,10 +16,14 @@
 #define PDA_POWER_CHARGE_AC  (1 << 0)
 #define PDA_POWER_CHARGE_USB (1 << 1)
 
+struct device;
+
 struct pda_power_pdata {
+       int (*init)(struct device *dev);
        int (*is_ac_online)(void);
        int (*is_usb_online)(void);
        void (*set_charge)(int flags);
+       void (*exit)(struct device *dev);
 
        char **supplied_to;
        size_t num_supplicants;