| Message ID | 20230809-pca9450-reboot-v2-4-b98b4f8139d5@skidata.com |
|---|---|
| State | New |
| Headers | show |
| Series | regulator: pca9450: register restart handlers | expand |
On Wed, 09 Aug 2023, Benjamin Bara wrote: > From: Benjamin Bara <benjamin.bara@skidata.com> > > The current restart handler registration does not specify whether the > restart is a cold or a warm one. Instead, cold ones are typically > registered with a HIGH prio. Now, as do_kernel_restart() knows about the > type, the priorization is implicitly done (cold restarts are executed > first) and the reboot_mode kernel parameter (which is currently mostly > ignored) can be respected. > > Signed-off-by: Benjamin Bara <benjamin.bara@skidata.com> > --- > v2: > - improve commit message > --- > drivers/mfd/tps65219.c | 17 +++++++++++++---- > 1 file changed, 13 insertions(+), 4 deletions(-) > > diff --git a/drivers/mfd/tps65219.c b/drivers/mfd/tps65219.c > index 0e0c42e4fdfc..85752b93256e 100644 > --- a/drivers/mfd/tps65219.c > +++ b/drivers/mfd/tps65219.c > @@ -278,12 +278,21 @@ static int tps65219_probe(struct i2c_client *client) > } > } > > - ret = devm_register_restart_handler(tps->dev, > - tps65219_restart_handler, > - tps); > + ret = devm_register_cold_restart_handler(tps->dev, > + tps65219_restart_handler, > + tps); > > if (ret) { > - dev_err(tps->dev, "cannot register restart handler, %d\n", ret); > + dev_err(tps->dev, "cannot register cold restart handler, %d\n", ret); > + return ret; > + } > + > + ret = devm_register_warm_restart_handler(tps->dev, > + tps65219_restart_handler, > + tps); > + Sorry, why do we have to now register 2 restart handlers? Seems like a regression? > + if (ret) { > + dev_err(tps->dev, "cannot register warm restart handler, %d\n", ret); > return ret; > } > > > -- > 2.34.1 >
diff --git a/drivers/mfd/tps65219.c b/drivers/mfd/tps65219.c index 0e0c42e4fdfc..85752b93256e 100644 --- a/drivers/mfd/tps65219.c +++ b/drivers/mfd/tps65219.c @@ -278,12 +278,21 @@ static int tps65219_probe(struct i2c_client *client) } } - ret = devm_register_restart_handler(tps->dev, - tps65219_restart_handler, - tps); + ret = devm_register_cold_restart_handler(tps->dev, + tps65219_restart_handler, + tps); if (ret) { - dev_err(tps->dev, "cannot register restart handler, %d\n", ret); + dev_err(tps->dev, "cannot register cold restart handler, %d\n", ret); + return ret; + } + + ret = devm_register_warm_restart_handler(tps->dev, + tps65219_restart_handler, + tps); + + if (ret) { + dev_err(tps->dev, "cannot register warm restart handler, %d\n", ret); return ret; }