From: Sakari Ailus Date: Fri, 30 Nov 2018 22:30:48 +0000 (-0500) Subject: media: ipu3-cio2: Allow probe to succeed if there are no sensors connected X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=b9da9b376711f61d0e3c3e419ee348249ca2bd80;p=openwrt%2Fstaging%2Fblogic.git media: ipu3-cio2: Allow probe to succeed if there are no sensors connected 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. Reviewed-by: Rajneesh Bhardwaj Tested-by: Rajneesh Bhardwaj Signed-off-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2.c b/drivers/media/pci/intel/ipu3/ipu3-cio2.c index 447baaebca44..e281e55cdca4 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,