Kernel/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2025-01-01 10:45:49 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

media: ipu3-cio2: Request IRQ earlier

Browse Source 
[ Upstream commit a069f79bfa ]

Call devm_request_irq() before registering the async notifier, as otherwise
it would be possible to use the device before the interrupts could be
delivered to the driver.

Fixes: c2a6a07afe ("media: intel-ipu3: cio2: add new MIPI-CSI2 driver")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sakari Ailus 2022-12-20 16:01:20 +02:00 committed by Greg Kroah-Hartman
parent e51e7096fd
commit 5379d2a100
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/media/pci/intel/ipu3/ipu3-cio2.c
View File

@ -1789,11 +1789,6 @@ static int cio2_pci_probe(struct pci_dev *pci_dev,
v4l2_async_nf_init(&cio2->notifier, &cio2->v4l2_dev);
/* Register notifier for subdevices we care */
r = cio2_parse_firmware(cio2);
if (r)
goto fail_clean_notifier;
r = devm_request_irq(dev, pci_dev->irq, cio2_irq, IRQF_SHARED,
CIO2_NAME, cio2);
if (r) {
@ -1801,6 +1796,11 @@ static int cio2_pci_probe(struct pci_dev *pci_dev,
goto fail_clean_notifier;
}
/* Register notifier for subdevices we care */
r = cio2_parse_firmware(cio2);
if (r)
goto fail_clean_notifier;
pm_runtime_put_noidle(dev);
pm_runtime_allow(dev);