From mboxrd@z Thu Jan 1 00:00:00 1970 From: jeffy.chen@rock-chips.com (JeffyChen) Date: Wed, 17 Jan 2018 15:47:47 +0800 Subject: [PATCH v2 11/13] iommu/rockchip: Use OF_IOMMU to attach devices automatically In-Reply-To: References: <20180116132540.18939-1-jeffy.chen@rock-chips.com> <20180116132540.18939-12-jeffy.chen@rock-chips.com> <5A5EF94E.7010806@rock-chips.com> Message-ID: <5A5EFFA3.6070206@rock-chips.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > > >