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Subject[PATCH] regulator: s2mps11: Added shutdown function to poweroff Odroid-XU3
Date
Added .shutdown function to s2mps11 to help poweroff the board succefully.
The device drivers set the register to turn off the PMIC.

Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
Changes fixes the poweroff
root@odroidxu3:~# poweroff

Broadcast message from root@odroidxu3
(/dev/ttySAC2) at 13:08 ...

The system is going down for power off NOW!
root@odroidxu3:~# wait-for-state stop/waiting
* Stopping rsync daemon rsync [ OK ]
* Stopping RDP Session manager [ OK ]
* Stopping NTP server ntpd [ OK ]
* Asking all remaining processes to terminate... [ OK ]
* All processes ended within 1 seconds... [ OK ]
nm-dispatcher.action: Caught signal 15, shutting down...
ModemManager[2134]: <warn> Could not acquire the 'org.freedesktop.ModemManager1' service name

ModemManager[2134]: <info> ModemManager is shut down

* Unmounting temporary filesystems... [ OK ]
* Deactivating swap... [ OK ]
* Unmounting local filesystems... [ OK ]
* Will now halt
[ 209.020280] reboot: Power down
[ 209.122039] Power down failed, please power off system manually.
---
drivers/regulator/s2mps11.c | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c
index ff82811..871f7b8 100644
--- a/drivers/regulator/s2mps11.c
+++ b/drivers/regulator/s2mps11.c
@@ -1060,6 +1060,13 @@ out:
return ret;
}

+static void s2mps11_pmic_shutdown(struct platform_device *pdev)
+{
+ struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent);
+
+ regmap_update_bits(iodev->regmap_pmic, S2MPS11_REG_CTRL1, 0xff, 0x00);
+}
+
static const struct platform_device_id s2mps11_pmic_id[] = {
{ "s2mps11-pmic", S2MPS11X},
{ "s2mps13-pmic", S2MPS13X},
@@ -1074,6 +1081,7 @@ static struct platform_driver s2mps11_pmic_driver = {
.name = "s2mps11-pmic",
},
.probe = s2mps11_pmic_probe,
+ .shutdown = s2mps11_pmic_shutdown,
.id_table = s2mps11_pmic_id,
};

--
1.9.1


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