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media: ivsc: csi: Clean up parsing firmware and setting up async notifier 

Set up async notifier right after obtaining the local endpoint. This makes
error handling straightforward.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Wentong Wu <wentong.wu@intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Sakari Ailus 2023-10-16 10:30:53 +03:00 committed by Hans Verkuil
parent a6a42fada1
commit 623017a4bb
1 changed files with 8 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/media/pci/intel/ivsc/mei_csi.c
View File

@ -654,21 +654,20 @@ static int mei_csi_parse_firmware(struct mei_csi *csi)
return -EINVAL;
}
v4l2_async_subdev_nf_init(&csi->notifier, &csi->subdev);
csi->notifier.ops = &mei_csi_notify_ops;
ret = v4l2_fwnode_endpoint_parse(ep, &v4l2_ep);
if (ret) {
dev_err(dev, "could not parse v4l2 endpoint\n");
fwnode_handle_put(ep);
return -EINVAL;
ret = -EINVAL;
goto out_nf_cleanup;
}
csi->nr_of_lanes = v4l2_ep.bus.mipi_csi2.num_data_lanes;
v4l2_async_subdev_nf_init(&csi->notifier, &csi->subdev);
csi->notifier.ops = &mei_csi_notify_ops;
asd = v4l2_async_nf_add_fwnode_remote(&csi->notifier, ep,
struct v4l2_async_connection);
fwnode_handle_put(ep);
if (IS_ERR(asd)) {
ret = PTR_ERR(asd);
goto out_nf_cleanup;
@ -678,10 +677,13 @@ static int mei_csi_parse_firmware(struct mei_csi *csi)
if (ret)
goto out_nf_cleanup;
fwnode_handle_put(ep);
return 0;
out_nf_cleanup:
v4l2_async_nf_cleanup(&csi->notifier);
fwnode_handle_put(ep);
return ret;
}