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Subject[PATCH] pda_power: add init and exit function callbacks
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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>
---
drivers/power/pda_power.c | 11 +++++++++++
include/linux/pda_power.h | 2 ++
2 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/drivers/power/pda_power.c b/drivers/power/pda_power.c
index c8aa55b..5a0c434 100644
--- 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();

@@ -299,6 +305,9 @@ ac_irq_failed:
power_supply_unregister(&pda_psy_ac);
ac_supply_failed:
wrongid:
+ if (pdata->exit)
+ pdata->exit(dev);
+init_failed:
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..8ad67bb 100644
--- a/include/linux/pda_power.h
+++ b/include/linux/pda_power.h
@@ -17,9 +17,11 @@
#define PDA_POWER_CHARGE_USB (1 << 1)

struct pda_power_pdata {
+ int (*init)(struct device *);
int (*is_ac_online)(void);
int (*is_usb_online)(void);
void (*set_charge)(int flags);
+ void (*exit)(struct device *);

char **supplied_to;
size_t num_supplicants;
--
1.5.5



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