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| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2022-12-21 11:30:11 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-10 11:34:26 +0300 |
| commit | 9b15b558cdb8ea2b975b22c61104d03e8bc8557a (patch) | |
| tree | 3d6c2b21a9d62c3c7414978575723a6f7bea7d49 | |
| parent | e39c25b0c11515eb60050e28e6ca1659258aa04a (diff) | |
| download | linux-9b15b558cdb8ea2b975b22c61104d03e8bc8557a.tar.xz | |
media: ipu3-cio2: Fix PM runtime usage_count in driver unbind
commit 909d3096ac99fa2289f9b8945a3eab2269947a0a upstream.
Get the PM runtime usage_count and forbid PM runtime at driver unbind. The
opposite is being done in probe() already.
Fixes: commit c2a6a07afe4a ("media: intel-ipu3: cio2: add new MIPI-CSI2 driver")
Cc: stable@vger.kernel.org # for >= 4.16
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/media/pci/intel/ipu3/ipu3-cio2-main.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c b/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c index 390bd5ea3472..3b76a9d0383a 100644 --- a/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c +++ b/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c @@ -1843,6 +1843,9 @@ static void cio2_pci_remove(struct pci_dev *pci_dev) v4l2_device_unregister(&cio2->v4l2_dev); media_device_cleanup(&cio2->media_dev); mutex_destroy(&cio2->lock); + + pm_runtime_forbid(&pci_dev->dev); + pm_runtime_get_noresume(&pci_dev->dev); } static int __maybe_unused cio2_runtime_suspend(struct device *dev) |