On Sat, Jun 25, 2016 at 06:15:15PM -0700, Stefan Agner wrote: > Use the PMIC's repower capability for reboots. Register a restart > handler and use a slightly elevated priority of 192 since the PMIC > has suprior reset capability (causing a system wide reset). > > Signed-off-by: Stefan Agner <stefan@xxxxxxxx> > Reviewed-by: Marcel Ziswiler <marcel.ziswiler@xxxxxxxxxxx> > --- > drivers/mfd/rn5t618.c | 42 ++++++++++++++++++++++++++++++++++++------ > 1 file changed, 36 insertions(+), 6 deletions(-) > > diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c > index 1831740..14f3b5f 100644 > --- a/drivers/mfd/rn5t618.c > +++ b/drivers/mfd/rn5t618.c > @@ -12,11 +12,13 @@ > * along with this program. If not, see <http://www.gnu.org/licenses/>. > */ > > +#include <linux/delay.h> > #include <linux/i2c.h> > #include <linux/mfd/core.h> > #include <linux/mfd/rn5t618.h> > #include <linux/module.h> > #include <linux/of_device.h> > +#include <linux/reboot.h> > #include <linux/regmap.h> > > static const struct mfd_cell rn5t618_cells[] = { > @@ -50,17 +52,37 @@ static const struct regmap_config rn5t618_regmap_config = { > }; > > static struct rn5t618 *rn5t618_pm_power_off; > +static struct notifier_block rn5t618_restart_handler; > > -static void rn5t618_power_off(void) > +static void rn5t618_trigger_poweroff_sequence(bool repower) > { > /* disable automatic repower-on */ > regmap_update_bits(rn5t618_pm_power_off->regmap, RN5T618_REPCNT, > - RN5T618_REPCNT_REPWRON, 0); > + RN5T618_REPCNT_REPWRON, repower); This only works because RN5T618_REPCNT_REPWRON happens to be BIT(0). Better would be RN5T618_REPCNT_REPWRON, repower ? RN5T618_REPCNT_REPWRON : 0 Guenter -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
