| Message ID | 1693286668-13055-4-git-send-email-wentong.wu@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | load ivsc driver modules automatically | expand |
diff --git a/drivers/media/pci/intel/ivsc/mei_ace.c b/drivers/media/pci/intel/ivsc/mei_ace.c index 7879f1f..627ec40 100644 --- a/drivers/media/pci/intel/ivsc/mei_ace.c +++ b/drivers/media/pci/intel/ivsc/mei_ace.c @@ -406,6 +406,9 @@ static int mei_ace_setup_dev_link(struct mei_ace *ace) if (!csi_dev) { ret = -EPROBE_DEFER; goto err; + } else if (!dev_fwnode(csi_dev)) { + ret = -EPROBE_DEFER; + goto err_put; } /* setup link between mei_ace and mei_csi */
During probe ivsc ace device, acpi_dev_clear_dependencies() will be called to clear the consumer and supplier relationship between camera sensor device and ivsc device. But IPU bridge will setup the connection swnodes for ivsc device and camera sensor device based on this consumer and supplier relationship. This patch defers ivsc ace's probe to make sure IPU bridge is initialized before this consumer and supplier relationship between camera sensor device and IVSC device is cleared. Signed-off-by: Wentong Wu <wentong.wu@intel.com> --- drivers/media/pci/intel/ivsc/mei_ace.c | 3 +++ 1 file changed, 3 insertions(+)