On Saturday, September 20, 2014 02:23:19 PM Wolfram Sang wrote:
>
> --bAmEntskrkuBymla
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> On Fri, Sep 19, 2014 at 08:27:39PM +0200, Ulf Hansson wrote:
> > Previously only the ACPI PM domain was supported by the i2c bus.
> >=20
> > Let's convert to the common attach/detach functions for PM domains,
> > which currently means we are extending the support to include the
> > generic PM domain as well.
> >=20
> > Cc: linux-i2c@xxxxxxxxxxxxxxx
> > Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
> > Reviewed-by: Kevin Hilman <khilman@xxxxxxxxxx>
>
> Looks good to me, but I'd like to give Mika a chance to look at it,
> since he does ACPI with I2C. Adding to CC.
It is not applicable without the [4/9] in this series anyway.
> > ---
> > drivers/i2c/i2c-core.c | 13 ++++++++-----
> > 1 file changed, 8 insertions(+), 5 deletions(-)
> >=20
> > diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
> > index 632057a..3cd8f11 100644
> > --- a/drivers/i2c/i2c-core.c
> > +++ b/drivers/i2c/i2c-core.c
> > @@ -279,10 +279,13 @@ static int i2c_device_probe(struct device *dev)
> > if (status < 0)
> > return status;
> > =20
> > - acpi_dev_pm_attach(&client->dev, true);
> > - status =3D driver->probe(client, i2c_match_id(driver->id_table, client)=
> );
> > - if (status)
> > - acpi_dev_pm_detach(&client->dev, true);
> > + status =3D dev_pm_domain_attach(&client->dev, true);
> > + if (status !=3D -EPROBE_DEFER) {
> > + status =3D driver->probe(client, i2c_match_id(driver->id_table,
> > + client));
>
> Very minor: I think it is more readable to keep this in one line.
Agreed.
> > + if (status)
> > + dev_pm_domain_detach(&client->dev, true);
> > + }
> > =20
> > return status;
> > }
> > @@ -302,7 +305,7 @@ static int i2c_device_remove(struct device *dev)
> > status =3D driver->remove(client);
> > }
> > =20
> > - acpi_dev_pm_detach(&client->dev, true);
> > + dev_pm_domain_detach(&client->dev, true);
> > return status;
> > }
> > =20
> > --=20
> > 1.9.1
> >=20
>
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--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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