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media: staging/ipu7: cleanup the MMU correctly in IPU7 driver release

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IPU7 ISYS and PSYS auxiliary devices are released after
ipu7_bus_del_devices(), so driver can not reference the MMU devices
from ISYS and PSYS auxiliary devices, so move the MMUs cleanup before
releasing the auxiliary devices.

Fixes: b7fe4c0019 ("media: staging/ipu7: add Intel IPU7 PCI device driver")
Signed-off-by: Bingbu Cao <bingbu.cao@intel.com>
[Sakari Ailus: Drop extra newline.]
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
This commit is contained in:
Bingbu Cao 2025-08-15 17:20:37 +08:00 committed by Hans Verkuil
parent 8abb489f9a
commit 01a80b6649
1 changed files with 3 additions and 3 deletions
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6
drivers/staging/media/ipu7/ipu7.c
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@ -2644,6 +2644,9 @@ static void ipu7_pci_remove(struct pci_dev *pdev)
if (!IS_ERR_OR_NULL(isp->fw_code_region))
vfree(isp->fw_code_region);
ipu7_mmu_cleanup(isp->isys->mmu);
ipu7_mmu_cleanup(isp->psys->mmu);
ipu7_bus_del_devices(pdev);
pm_runtime_forbid(&pdev->dev);
@ -2652,9 +2655,6 @@ static void ipu7_pci_remove(struct pci_dev *pdev)
ipu_buttress_exit(isp);
release_firmware(isp->cpd_fw);
ipu7_mmu_cleanup(isp->psys->mmu);
ipu7_mmu_cleanup(isp->isys->mmu);
}
static void ipu7_pci_reset_prepare(struct pci_dev *pdev)