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ERROR: modpost: "iommu_get_dma_cookie" [drivers/rknpu/rknpu.ko] undefined! #65

Open meanshe opened 1 month ago

meanshe commented 1 month ago

kernel更新了1.0.1的驱动后编译不通过：直接显示

CHK kernel/kheaders_data.tar.xz CC [M] drivers/rknpu/rknpu_drv.o CC [M] drivers/rknpu/rknpu_reset.o CC [M] drivers/rknpu/rknpu_job.o CC [M] drivers/rknpu/rknpu_debugger.o CC [M] drivers/rknpu/rknpu_iommu.o CC [M] drivers/rknpu/rknpu_devfreq.o CC [M] drivers/rknpu/rknpu_gem.o LD [M] drivers/rknpu/rknpu.o MODPOST Module.symvers ERROR: modpost: "iommu_get_dma_cookie" [drivers/rknpu/rknpu.ko] undefined! make[1]: [scripts/Makefile.modpost:186: Module.symvers] Error 1 make: [Makefile:2009: modpost] Error 2

woutermans commented 1 month ago

Did you find a solution to this problem?

meanshe commented 4 weeks ago

Did you find a solution to this problem?

My delevep board is base on nanopi6_linux_defconfig. So I try to enable IOMMU support. 

# vim /kernel/arch/arm64/config/nanopi6_linux_defconfig

CONFIG_ROCKCHIP_IOMMU=y

It works well.