[PATCH v2 11/13] iommu/rockchip: Use OF_IOMMU to attach devices automatically

JeffyChen jeffy.chen at rock-chips.com
Tue Jan 16 23:47:47 PST 2018

On 01/17/2018 03:30 PM, Tomasz Figa wrote:
>> >but it's possible the probe failed after calling iommu_device_set_fwnode, so
>> >i'll try to add some checks here, and maybe adjust probe() to prevent it
>> >too.
> I think iommu_device_set_fwnode() is not enough for of_iommu_xlate()
> to find the IOMMU. The IOMMU is actually added to the IOMMU list by
> iommu_device_register(), which is last in the sequence, so I guess we
> should be fine.
hmmm, the later patch would change that ;) i'll fix it in the next version.

> Best regards,
> Tomasz

More information about the Linux-rockchip mailing list