From: jacopo mondi <jacopo@jmondi.org>
To: Steve Longerbeam <slongerbeam@gmail.com>
Cc: "Sakari Ailus" <sakari.ailus@iki.fi>,
linux-media@vger.kernel.org,
"Steve Longerbeam" <steve_longerbeam@mentor.com>,
"Mauro Carvalho Chehab" <mchehab@kernel.org>,
"Sakari Ailus" <sakari.ailus@linux.intel.com>,
"Niklas Söderlund" <niklas.soderlund+renesas@ragnatech.se>,
"Sebastian Reichel" <sre@kernel.org>,
"Hans Verkuil" <hans.verkuil@cisco.com>,
"open list" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v6 16/17] media: v4l2: async: Remove notifier subdevs array
Date: Sat, 4 Aug 2018 12:33:54 +0200 [thread overview]
Message-ID: <20180804103354.GB9285@w540> (raw)
In-Reply-To: <a040c77f-2bee-5d0d-57ec-852ff30448e9@gmail.com>
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Hi Steve,
On Mon, Jul 23, 2018 at 09:44:57AM -0700, Steve Longerbeam wrote:
>
>
> On 07/23/2018 05:35 AM, Sakari Ailus wrote:
> >Hi Steve,
> >
> >Thanks for the update.
> >
> >On Mon, Jul 09, 2018 at 03:39:16PM -0700, Steve Longerbeam wrote:
> >>All platform drivers have been converted to use
> >>v4l2_async_notifier_add_subdev(), in place of adding
> >>asd's to the notifier subdevs array. So the subdevs
> >>array can now be removed from struct v4l2_async_notifier,
> >>and remove the backward compatibility support for that
> >>array in v4l2-async.c.
> >>
> >>Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
> >This set removes the subdevs and num_subdevs fieldsfrom the notifier (as
> >discussed previously) but it doesn't include the corresponding
> >driver changes. Is there a patch missing from the set?
>
> Hi Sakari, yes somehow patch 15/17 (the large patch to all drivers)
> got dropped by the ML, maybe because the cc-list was too big?
>
> I will resend with only linux-media and cc: you.
For the Renesas CEU and Renesas R-Car VIN you can add my:
Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
I would have a very small comment on the renesas-ceu.c patch. I'm copying
the hunk here below as the patch didn't reach the mailing list
>@@ -1562,40 +1557,46 @@ static int ceu_parse_dt(struct ceu_device *ceudev)
> dev_err(ceudev->dev,
> "No subdevice connected on endpoint %u.\n", i);
> ret = -ENODEV;
>- goto error_put_node;
>+ goto error_cleanup;
> }
>
> ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &fw_ep);
> if (ret) {
> if (ret) {
> dev_err(ceudev->dev,
> "Unable to parse endpoint #%u.\n", i);
>- goto error_put_node;
>+ goto error_cleanup;
> }
>
> if (fw_ep.bus_type != V4L2_MBUS_PARALLEL) {
> dev_err(ceudev->dev,
> "Only parallel input supported.\n");
> ret = -EINVAL;
>- goto error_put_node;
>+ goto error_cleanup;
> }
>
> /* Setup the ceu subdevice and the async subdevice. */
> ceu_sd = &ceudev->subdevs[i];
> INIT_LIST_HEAD(&ceu_sd->asd.list);
>
>+ remote = of_graph_get_remote_port_parent(ep);
> ceu_sd->mbus_flags = fw_ep.bus.parallel.flags;
> ceu_sd->asd.match_type = V4L2_ASYNC_MATCH_FWNODE;
>- ceu_sd->asd.match.fwnode =
>- fwnode_graph_get_remote_port_parent(
>- of_fwnode_handle(ep));
>+ ceu_sd->asd.match.fwnode = of_fwnode_handle(remote);
>+
>+ ret = v4l2_async_notifier_add_subdev(&ceudev->notifier,
>+ &ceu_sd->asd);
>+ if (ret) {
>+ of_node_put(remote);
^^^ The 'remote' device node is only put in
the error path
>
>+ goto error_cleanup;
>+ }
>
>- ceudev->asds[i] = &ceu_sd->asd;
> of_node_put(ep);
> }
>
> return num_ep;
>
>-error_put_node:
>+error_cleanup:
>+ v4l2_async_notifier_cleanup(&ceudev->notifier);
> of_node_put(ep);
> return ret;
> }
Thanks
j
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next prev parent reply other threads:[~2018-08-04 10:34 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1531175957-1973-1-git-send-email-steve_longerbeam@mentor.com>
2018-07-09 22:39 ` [PATCH v6 01/17] media: v4l2-fwnode: ignore endpoints that have no remote port parent Steve Longerbeam
2018-07-09 22:39 ` [PATCH v6 02/17] media: v4l2: async: Allow searching for asd of any type Steve Longerbeam
2018-09-24 17:06 ` Mauro Carvalho Chehab
2018-09-25 21:04 ` Steve Longerbeam
2018-09-25 22:20 ` Mauro Carvalho Chehab
2018-09-26 1:05 ` Steve Longerbeam
2018-09-26 9:33 ` Mauro Carvalho Chehab
2018-09-26 10:40 ` Sakari Ailus
2018-09-26 17:49 ` Steve Longerbeam
2018-09-28 12:16 ` Sakari Ailus
2018-09-29 17:40 ` Steve Longerbeam
2018-07-09 22:39 ` [PATCH v6 03/17] media: v4l2: async: Add v4l2_async_notifier_add_subdev Steve Longerbeam
2018-08-03 15:13 ` jacopo mondi
2018-08-04 16:39 ` Steve Longerbeam
2018-07-09 22:39 ` [PATCH v6 04/17] media: v4l2: async: Add convenience functions to allocate and add asd's Steve Longerbeam
2018-07-09 22:39 ` [PATCH v6 05/17] media: v4l2-fwnode: Switch to v4l2_async_notifier_add_subdev Steve Longerbeam
2018-07-09 22:39 ` [PATCH v6 06/17] media: v4l2-fwnode: Add a convenience function for registering subdevs with notifiers Steve Longerbeam
2018-09-13 10:37 ` jacopo mondi
2018-09-13 12:44 ` Sakari Ailus
2018-09-13 12:58 ` jacopo mondi
2018-09-14 0:57 ` Steve Longerbeam
2018-07-09 22:39 ` [PATCH v6 07/17] media: platform: video-mux: Register a subdev notifier Steve Longerbeam
2018-07-09 22:39 ` [PATCH v6 08/17] media: imx: csi: " Steve Longerbeam
2018-07-09 22:39 ` [PATCH v6 09/17] media: imx: mipi csi-2: " Steve Longerbeam
2018-07-09 22:39 ` [PATCH v6 10/17] media: staging/imx: of: Remove recursive graph walk Steve Longerbeam
2018-07-09 22:39 ` [PATCH v6 11/17] media: staging/imx: Loop through all registered subdevs for media links Steve Longerbeam
2018-07-09 22:39 ` [PATCH v6 12/17] media: staging/imx: Rename root notifier Steve Longerbeam
2018-07-09 22:39 ` [PATCH v6 13/17] media: staging/imx: Switch to v4l2_async_notifier_add_*_subdev Steve Longerbeam
2018-07-09 22:39 ` [PATCH v6 14/17] media: staging/imx: TODO: Remove one assumption about OF graph parsing Steve Longerbeam
2018-07-09 22:39 ` [PATCH v6 16/17] media: v4l2: async: Remove notifier subdevs array Steve Longerbeam
2018-07-23 12:35 ` Sakari Ailus
2018-07-23 16:44 ` Steve Longerbeam
2018-07-23 17:24 ` Sakari Ailus
2018-08-04 10:33 ` jacopo mondi [this message]
2018-08-04 17:20 ` Steve Longerbeam
2018-07-09 22:39 ` [PATCH v6 17/17] [media] v4l2-subdev.rst: Update doc regarding subdev descriptors Steve Longerbeam
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