| Message ID | 20240119-iio-backend-v6-3-189536c35a05@analog.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | iio: add new backend framework | expand |
On Fri, 19 Jan 2024 17:00:49 +0100 Nuno Sa via B4 Relay <devnull+nuno.sa.analog.com@kernel.org> wrote: > From: Nuno Sa <nuno.sa@analog.com> > > If a device_link is previously created (eg: via > fw_devlink_create_devlink()) before the supplier + consumer are both > present and bound to their respective drivers, there's no way to set > DL_FLAG_AUTOREMOVE_CONSUMER anymore while one can still set > DL_FLAG_AUTOREMOVE_SUPPLIER. Hence, rework the flags checks to allow > for DL_FLAG_AUTOREMOVE_CONSUMER in the same way > DL_FLAG_AUTOREMOVE_SUPPLIER is done. > > While at it, make sure that we are never left with > DL_FLAG_AUTOPROBE_CONSUMER set together with one of > DL_FLAG_AUTOREMOVE_CONSUMER or DL_FLAG_AUTOREMOVE_SUPPLIER. > > Signed-off-by: Nuno Sa <nuno.sa@analog.com> Looking for an Ack or RB from someone more familiar with device links than I am. Greg / Rafael? thanks Jonathan > --- > drivers/base/core.c | 14 +++++++++----- > 1 file changed, 9 insertions(+), 5 deletions(-) > > diff --git a/drivers/base/core.c b/drivers/base/core.c > index 67ba592afc77..fdbb5abc75d5 100644 > --- a/drivers/base/core.c > +++ b/drivers/base/core.c > @@ -807,11 +807,15 @@ struct device_link *device_link_add(struct device *consumer, > * update the existing link to stay around longer. > */ > if (flags & DL_FLAG_AUTOREMOVE_SUPPLIER) { > - if (link->flags & DL_FLAG_AUTOREMOVE_CONSUMER) { > - link->flags &= ~DL_FLAG_AUTOREMOVE_CONSUMER; > - link->flags |= DL_FLAG_AUTOREMOVE_SUPPLIER; > - } > - } else if (!(flags & DL_FLAG_AUTOREMOVE_CONSUMER)) { > + link->flags &= ~DL_FLAG_AUTOREMOVE_CONSUMER; > + link->flags &= ~DL_FLAG_AUTOPROBE_CONSUMER; > + link->flags |= DL_FLAG_AUTOREMOVE_SUPPLIER; > + > + } else if (flags & DL_FLAG_AUTOREMOVE_CONSUMER) { > + link->flags &= ~DL_FLAG_AUTOREMOVE_SUPPLIER; > + link->flags &= ~DL_FLAG_AUTOPROBE_CONSUMER; > + link->flags |= DL_FLAG_AUTOREMOVE_CONSUMER; > + } else { > link->flags &= ~(DL_FLAG_AUTOREMOVE_CONSUMER | > DL_FLAG_AUTOREMOVE_SUPPLIER); > } >
diff --git a/drivers/base/core.c b/drivers/base/core.c index 67ba592afc77..fdbb5abc75d5 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -807,11 +807,15 @@ struct device_link *device_link_add(struct device *consumer, * update the existing link to stay around longer. */ if (flags & DL_FLAG_AUTOREMOVE_SUPPLIER) { - if (link->flags & DL_FLAG_AUTOREMOVE_CONSUMER) { - link->flags &= ~DL_FLAG_AUTOREMOVE_CONSUMER; - link->flags |= DL_FLAG_AUTOREMOVE_SUPPLIER; - } - } else if (!(flags & DL_FLAG_AUTOREMOVE_CONSUMER)) { + link->flags &= ~DL_FLAG_AUTOREMOVE_CONSUMER; + link->flags &= ~DL_FLAG_AUTOPROBE_CONSUMER; + link->flags |= DL_FLAG_AUTOREMOVE_SUPPLIER; + + } else if (flags & DL_FLAG_AUTOREMOVE_CONSUMER) { + link->flags &= ~DL_FLAG_AUTOREMOVE_SUPPLIER; + link->flags &= ~DL_FLAG_AUTOPROBE_CONSUMER; + link->flags |= DL_FLAG_AUTOREMOVE_CONSUMER; + } else { link->flags &= ~(DL_FLAG_AUTOREMOVE_CONSUMER | DL_FLAG_AUTOREMOVE_SUPPLIER); }