| Message ID | 20230616135922.442979-14-tomi.valkeinen@ideasonboard.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | i2c-atr and FPDLink | expand |
On Fri, Jun 16, 2023 at 04:59:17PM +0300, Tomi Valkeinen wrote: > Use v4l2_fwnode_endpoint_parse() to parse the sink endpoint parameters. > + nlanes = vep.bus.mipi_csi2.num_data_lanes; > I would also drop this blank line now. > - if (ret != 1 && ret != 2 && ret != 4) > + if (nlanes != 1 && nlanes != 2 && nlanes != 4) Isn't the following cleaner? if (!is_power_of_2(nlanes) || nlanes > 4) > return dev_err_probe(dev, -EINVAL, > - "bad number of data-lanes: %d\n", ret); > + "bad number of data-lanes: %d\n", nlanes);
On 16/06/2023 17:24, Andy Shevchenko wrote: > On Fri, Jun 16, 2023 at 04:59:17PM +0300, Tomi Valkeinen wrote: >> Use v4l2_fwnode_endpoint_parse() to parse the sink endpoint parameters. > >> + nlanes = vep.bus.mipi_csi2.num_data_lanes; >> > > I would also drop this blank line now. Ok. >> - if (ret != 1 && ret != 2 && ret != 4) >> + if (nlanes != 1 && nlanes != 2 && nlanes != 4) > > Isn't the following cleaner? > > if (!is_power_of_2(nlanes) || nlanes > 4) No, I don't think so... The current one is more human-readable. >> return dev_err_probe(dev, -EINVAL, >> - "bad number of data-lanes: %d\n", ret); >> + "bad number of data-lanes: %d\n", nlanes); > Tomi
diff --git a/drivers/media/i2c/ds90ub953.c b/drivers/media/i2c/ds90ub953.c index 1e3827a60029..5b586855c77b 100644 --- a/drivers/media/i2c/ds90ub953.c +++ b/drivers/media/i2c/ds90ub953.c @@ -25,6 +25,8 @@ #include <media/i2c/ds90ub9xx.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-event.h> +#include <media/v4l2-fwnode.h> +#include <media/v4l2-mediabus.h> #include <media/v4l2-subdev.h> #define UB953_PAD_SINK 0 @@ -1111,7 +1113,9 @@ static const struct regmap_config ub953_regmap_config = { static int ub953_parse_dt(struct ub953_data *priv) { struct device *dev = &priv->client->dev; + struct v4l2_fwnode_endpoint vep = {}; struct fwnode_handle *ep_fwnode; + unsigned char nlanes; int ret; ep_fwnode = fwnode_graph_get_endpoint_by_id(dev_fwnode(dev), @@ -1119,19 +1123,22 @@ static int ub953_parse_dt(struct ub953_data *priv) if (!ep_fwnode) return dev_err_probe(dev, -ENOENT, "no endpoint found\n"); - ret = fwnode_property_count_u32(ep_fwnode, "data-lanes"); + vep.bus_type = V4L2_MBUS_CSI2_DPHY; + ret = v4l2_fwnode_endpoint_parse(ep_fwnode, &vep); fwnode_handle_put(ep_fwnode); - if (ret < 0) + if (ret) return dev_err_probe(dev, ret, - "failed to parse property 'data-lanes'\n"); + "failed to parse sink endpoint data\n"); + + nlanes = vep.bus.mipi_csi2.num_data_lanes; - if (ret != 1 && ret != 2 && ret != 4) + if (nlanes != 1 && nlanes != 2 && nlanes != 4) return dev_err_probe(dev, -EINVAL, - "bad number of data-lanes: %d\n", ret); + "bad number of data-lanes: %d\n", nlanes); - priv->num_data_lanes = ret; + priv->num_data_lanes = nlanes; return 0; }
Use v4l2_fwnode_endpoint_parse() to parse the sink endpoint parameters. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> --- drivers/media/i2c/ds90ub953.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-)