From: Sakari Ailus <sakari.ailus@linux.intel.com>
To: linux-media@vger.kernel.org
Cc: devicetree@vger.kernel.org, slongerbeam@gmail.com,
niklas.soderlund@ragnatech.se, jacopo@jmondi.org,
p.zabel@pengutronix.de, dri-devel@lists.freedesktop.org
Subject: [PATCH v3 12/23] v4l: fwnode: Support driver-defined lane mapping defaults
Date: Thu, 13 Sep 2018 00:29:31 +0300 [thread overview]
Message-ID: <20180912212942.19641-13-sakari.ailus@linux.intel.com> (raw)
In-Reply-To: <20180912212942.19641-1-sakari.ailus@linux.intel.com>
Make use of the default CSI-2 lane mapping from caller-passed
configuration.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Steve Longerbeam <steve_longerbeam@mentor.com>
---
drivers/media/v4l2-core/v4l2-fwnode.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
diff --git a/drivers/media/v4l2-core/v4l2-fwnode.c b/drivers/media/v4l2-core/v4l2-fwnode.c
index 1ec7590b18bd..64c23cbf6f0b 100644
--- a/drivers/media/v4l2-core/v4l2-fwnode.c
+++ b/drivers/media/v4l2-core/v4l2-fwnode.c
@@ -55,10 +55,14 @@ static int v4l2_fwnode_endpoint_parse_csi2_bus(struct fwnode_handle *fwnode,
u32 v;
int rval;
- if (bus_type == V4L2_FWNODE_BUS_TYPE_CSI2_DPHY)
+ if (bus_type == V4L2_FWNODE_BUS_TYPE_CSI2_DPHY) {
num_data_lanes = min_t(u32, bus->num_data_lanes,
V4L2_FWNODE_CSI2_MAX_DATA_LANES);
+ for (i = 0; i < num_data_lanes; i++)
+ array[i] = bus->data_lanes[i];
+ }
+
rval = fwnode_property_read_u32_array(fwnode, "data-lanes", NULL, 0);
if (rval > 0) {
num_data_lanes =
@@ -66,15 +70,15 @@ static int v4l2_fwnode_endpoint_parse_csi2_bus(struct fwnode_handle *fwnode,
fwnode_property_read_u32_array(fwnode, "data-lanes", array,
num_data_lanes);
+ }
- for (i = 0; i < num_data_lanes; i++) {
- if (lanes_used & BIT(array[i]))
- pr_warn("duplicated lane %u in data-lanes\n",
- array[i]);
- lanes_used |= BIT(array[i]);
+ for (i = 0; i < num_data_lanes; i++) {
+ if (lanes_used & BIT(array[i]))
+ pr_warn("duplicated lane %u in data-lanes\n",
+ array[i]);
+ lanes_used |= BIT(array[i]);
- pr_debug("lane %u position %u\n", i, array[i]);
- }
+ pr_debug("lane %u position %u\n", i, array[i]);
}
rval = fwnode_property_read_u32_array(fwnode, "lane-polarities", NULL,
--
2.11.0
next prev parent reply other threads:[~2018-09-13 2:36 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-12 21:29 [PATCH v3 00/23] V4L2 fwnode rework; support for default configuration Sakari Ailus
2018-09-12 21:29 ` [PATCH v3 01/23] v4l: fwnode: Add debug prints for V4L2 endpoint property parsing Sakari Ailus
2018-09-12 21:29 ` [PATCH v3 02/23] v4l: fwnode: Use fwnode_graph_for_each_endpoint Sakari Ailus
2018-09-12 21:29 ` [PATCH v3 03/23] v4l: fwnode: The CSI-2 clock is continuous if it's not non-continuous Sakari Ailus
2018-09-12 21:29 ` [PATCH v3 04/23] dt-bindings: media: Specify bus type for MIPI D-PHY, others, explicitly Sakari Ailus
2018-09-12 21:29 ` [PATCH v3 05/23] v4l: fwnode: Add definitions for CSI-2 D-PHY, parallel and Bt.656 busses Sakari Ailus
2018-09-12 21:29 ` [PATCH v3 06/23] v4l: mediabus: Recognise CSI-2 D-PHY and C-PHY Sakari Ailus
2018-09-12 21:29 ` [PATCH v3 07/23] v4l: fwnode: Let the caller provide V4L2 fwnode endpoint Sakari Ailus
2018-09-12 21:29 ` [PATCH v3 08/23] v4l: fwnode: Detect bus type correctly Sakari Ailus
2018-09-12 21:29 ` [PATCH v3 09/23] v4l: fwnode: Make use of newly specified bus types Sakari Ailus
2018-09-13 9:14 ` jacopo mondi
2018-09-13 9:43 ` [PATCH v3.1 " Sakari Ailus
2018-09-12 21:29 ` [PATCH v3 10/23] v4l: fwnode: Read lane inversion information despite lane numbering Sakari Ailus
2018-09-12 21:29 ` [PATCH v3 11/23] v4l: fwnode: Only assign configuration if there is no error Sakari Ailus
2018-09-12 21:29 ` Sakari Ailus [this message]
2018-09-12 21:29 ` [PATCH v3 13/23] v4l: fwnode: Support default CSI-2 lane mapping for drivers Sakari Ailus
2018-09-12 21:29 ` [PATCH v3 14/23] v4l: fwnode: Parse the graph endpoint as last Sakari Ailus
2018-09-12 21:29 ` [PATCH v3 15/23] v4l: fwnode: Use default parallel flags Sakari Ailus
2018-09-13 9:17 ` jacopo mondi
2018-09-12 21:29 ` [PATCH v3 16/23] v4l: fwnode: Initialise the V4L2 fwnode endpoints to zero Sakari Ailus
2018-09-13 9:46 ` jacopo mondi
2018-09-13 9:55 ` Sakari Ailus
2018-09-13 10:19 ` Sakari Ailus
2018-09-13 13:19 ` jacopo mondi
2018-09-12 21:29 ` [PATCH v3 17/23] v4l: fwnode: Only zero the struct if bus type is set to V4L2_MBUS_UNKNOWN Sakari Ailus
2018-09-12 21:29 ` [PATCH v3 18/23] v4l: fwnode: Use media bus type for bus parser selection Sakari Ailus
2018-09-12 21:29 ` [PATCH v3 19/23] v4l: fwnode: Print bus type Sakari Ailus
2018-09-12 21:29 ` [PATCH v3 20/23] v4l: fwnode: Use V4L2 fwnode endpoint media bus type if set Sakari Ailus
2018-09-12 21:29 ` [PATCH v3 21/23] v4l: fwnode: Support parsing of CSI-2 C-PHY endpoints Sakari Ailus
2018-09-12 21:29 ` [PATCH v3 22/23] v4l: fwnode: Update V4L2 fwnode endpoint parsing documentation Sakari Ailus
2018-09-12 21:29 ` [PATCH v3 23/23] smiapp: Query the V4L2 endpoint for a specific bus type Sakari Ailus
2018-09-13 9:54 ` [PATCH v3 00/23] V4L2 fwnode rework; support for default configuration jacopo mondi
2018-09-13 10:00 ` Sakari Ailus
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180912212942.19641-13-sakari.ailus@linux.intel.com \
--to=sakari.ailus@linux.intel.com \
--cc=devicetree@vger.kernel.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=jacopo@jmondi.org \
--cc=linux-media@vger.kernel.org \
--cc=niklas.soderlund@ragnatech.se \
--cc=p.zabel@pengutronix.de \
--cc=slongerbeam@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox