The device won't be powered off on systems that have no sensors connected unless it has a driver bound to it. Allow that to happen even if there are no sensors connected to cio2. Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> --- drivers/media/pci/intel/ipu3/ipu3-cio2.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2.c b/drivers/media/pci/intel/ipu3/ipu3-cio2.c index 447baaebca448..e281e55cdca4a 100644 --- a/drivers/media/pci/intel/ipu3/ipu3-cio2.c +++ b/drivers/media/pci/intel/ipu3/ipu3-cio2.c @@ -1810,7 +1810,8 @@ static int cio2_pci_probe(struct pci_dev *pci_dev, /* Register notifier for subdevices we care */ r = cio2_notifier_init(cio2); - if (r) + /* Proceed without sensors connected to allow the device to suspend. */ + if (r && r != -ENODEV) goto fail_cio2_queue_exit; r = devm_request_irq(&pci_dev->dev, pci_dev->irq, cio2_irq, -- 2.11.0
