From bcbbcfd57247f4c2976055995e5760fb576aae1e Mon Sep 17 00:00:00 2001 From: Saravana Kannan Date: Mon, 28 Oct 2019 15:00:23 -0700 Subject: driver core: Allow a device to wait on optional suppliers Before this change, if a device is waiting on suppliers, it's assumed that all those suppliers are needed for the device to probe successfully. This change allows marking a devices as waiting only on optional suppliers. This allows a device to wait on suppliers (and link to them as soon as they are available) without preventing the device from being probed. Signed-off-by: Saravana Kannan Link: https://lore.kernel.org/r/20191028220027.251605-3-saravanak@google.com Signed-off-by: Greg Kroah-Hartman --- include/linux/device.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include') diff --git a/include/linux/device.h b/include/linux/device.h index 82890e1b8f08..d1bcc8f122f6 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -1155,6 +1155,8 @@ enum dl_dev_state { * @consumers: List of links to consumer devices. * @needs_suppliers: Hook to global list of devices waiting for suppliers. * @defer_sync: Hook to global list of devices that have deferred sync_state. + * @need_for_probe: If needs_suppliers is on a list, this indicates if the + * suppliers are needed for probe or not. * @status: Driver status information. */ struct dev_links_info { @@ -1162,6 +1164,7 @@ struct dev_links_info { struct list_head consumers; struct list_head needs_suppliers; struct list_head defer_sync; + bool need_for_probe; enum dl_dev_state status; }; -- cgit v1.2.3