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Date: Thu, 24 Dec 2020 01:09:04 +0000 From: Daniel Scally <djrscally@...il.com> To: linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org, linux-media@...r.kernel.org, devel@...ica.org Cc: rjw@...ysocki.net, lenb@...nel.org, gregkh@...uxfoundation.org, yong.zhi@...el.com, sakari.ailus@...ux.intel.com, bingbu.cao@...el.com, tian.shu.qiu@...el.com, mchehab@...nel.org, robert.moore@...el.com, erik.kaneda@...el.com, pmladek@...e.com, rostedt@...dmis.org, sergey.senozhatsky@...il.com, andriy.shevchenko@...ux.intel.com, linux@...musvillemoes.dk, laurent.pinchart+renesas@...asonboard.com, jacopo+renesas@...ndi.org, kieran.bingham+renesas@...asonboard.com, hverkuil-cisco@...all.nl, m.felsch@...gutronix.de, niklas.soderlund+renesas@...natech.se, slongerbeam@...il.com, heikki.krogerus@...ux.intel.com, linus.walleij@...aro.org, Laurent Pinchart <laurent.pinchart@...asonboard.com> Subject: [PATCH v3 11/14] media: v4l2-core: v4l2-async: Check sd->fwnode->secondary in match_fwnode() Where the fwnode graph is comprised of software_nodes, these will be assigned as the secondary to dev->fwnode. Check the v4l2_subdev's fwnode for a secondary and attempt to match against it during match_fwnode() to accommodate that possibility. Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com> Signed-off-by: Daniel Scally <djrscally@...il.com> --- Changes in v3 - None drivers/media/v4l2-core/v4l2-async.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c index e3ab003a6c85..9dd896d085ec 100644 --- a/drivers/media/v4l2-core/v4l2-async.c +++ b/drivers/media/v4l2-core/v4l2-async.c @@ -87,6 +87,14 @@ static bool match_fwnode(struct v4l2_async_notifier *notifier, if (sd->fwnode == asd->match.fwnode) return true; + /* + * Check the same situation for any possible secondary assigned to the + * subdev's fwnode + */ + if (!IS_ERR_OR_NULL(sd->fwnode->secondary) && + sd->fwnode->secondary == asd->match.fwnode) + return true; + /* * Otherwise, check if the sd fwnode and the asd fwnode refer to an * endpoint or a device. If they're of the same type, there's no match. -- 2.25.1
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