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media: ipu3-cio2: Proceed with notifier init even if there are no subdevs 

The notifier may be registered even if there are no subdevs. Do that to
simplify the code.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
alistair/sunxi64-5.4-dsi
Sakari Ailus 2019-03-04 04:45:57 -05:00 committed by Mauro Carvalho Chehab
parent f6a5242b7c
commit 706c0cffaf
1 changed files with 5 additions and 5 deletions
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10
drivers/media/pci/intel/ipu3/ipu3-cio2.c
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@ -1506,9 +1506,10 @@ static int cio2_notifier_init(struct cio2_device *cio2)
if (ret < 0)
goto out;
if (list_empty(&cio2->notifier.asd_list))
return -ENODEV; /* no endpoint */
/*
* Proceed even without sensors connected to allow the device to
* suspend.
*/
cio2->notifier.ops = &cio2_async_ops;
ret = v4l2_async_notifier_register(&cio2->v4l2_dev, &cio2->notifier);
if (ret) {
@ -1815,8 +1816,7 @@ static int cio2_pci_probe(struct pci_dev *pci_dev,
/* Register notifier for subdevices we care */
r = cio2_notifier_init(cio2);
/* Proceed without sensors connected to allow the device to suspend. */
if (r && r != -ENODEV)
if (r)
goto fail_cio2_queue_exit;
r = devm_request_irq(&pci_dev->dev, pci_dev->irq, cio2_irq,