Hi Marek, [snip] > MODULE_DEVICE_TABLE(of, sysmmu_of_match); is missing, so the driver > won't be automatically loaded, what breaks its operation if compiled as > module. > Right, didn't think about hot-plug case. Will add MODULE_DEVICE_TABLE() along with MODULE_ALIAS() in v2, thanks. > Also Exynos DRM and S5P-MFC drivers rely on the Exynos IOMMU being > built-in, so they need to be adjusted for modularized builds too imho, > at least in the Kconfig dependency. > Sure, I'll check all Kconfigs and defconfigs before sending out v2. Btw, can you please also check my most recent reply [1] for the "[PATCH 1/2] iommu/exynos: Abstract getting the fault info"? [1] https://lore.kernel.org/lkml/CAPLW+4n-Lf6je61rxdJ9nJnX9h9F8F-y+qikG7eFF0avQpMV9Q@xxxxxxxxxxxxxx/ Thanks! [snip]