5.15-stable review patch. If anyone has any objections, please let me know.
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From: Sakari Ailus sakari.ailus@linux.intel.com
[ Upstream commit a069f79bfa6ec1ea0744981ea8425c8a25322579 ]
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: c2a6a07afe4a ("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 --- drivers/media/pci/intel/ipu3/ipu3-cio2-main.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c b/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c index 29c660fe1425b..dfb2be0b9625a 100644 --- a/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c +++ b/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c @@ -1803,11 +1803,6 @@ static int cio2_pci_probe(struct pci_dev *pci_dev,
v4l2_async_notifier_init(&cio2->notifier);
- /* 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) { @@ -1815,6 +1810,11 @@ 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);