From: jeffy.chen@rock-chips.com (JeffyChen)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 11/13] iommu/rockchip: Use OF_IOMMU to attach devices automatically
Date: Wed, 17 Jan 2018 15:47:47 +0800 [thread overview]
Message-ID: <5A5EFFA3.6070206@rock-chips.com> (raw)
In-Reply-To: <CAAFQd5AOZ797dNEvr5TbuWK-rw=dTCArUZM53t4_gNRugBd=sg@mail.gmail.com>
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
>
>
>
next prev parent reply other threads:[~2018-01-17 7:47 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20180116132540.18939-1-jeffy.chen@rock-chips.com>
[not found] ` <20180116132540.18939-2-jeffy.chen@rock-chips.com>
2018-01-17 4:21 ` [PATCH v2 01/13] iommu/rockchip: Request irqs in rk_iommu_probe() Tomasz Figa
[not found] ` <5A5EF672.6040304@rock-chips.com>
2018-01-17 7:16 ` Tomasz Figa
2018-01-17 7:45 ` JeffyChen
2018-01-17 12:18 ` Robin Murphy
2018-01-17 12:46 ` JeffyChen
[not found] ` <20180116132540.18939-3-jeffy.chen@rock-chips.com>
2018-01-17 4:23 ` [PATCH v2 02/13] iommu/rockchip: Suppress unbinding Tomasz Figa
2018-01-17 5:32 ` Tomasz Figa
[not found] ` <20180116132540.18939-5-jeffy.chen@rock-chips.com>
2018-01-17 5:22 ` [PATCH v2 04/13] iommu/rockchip: Fix error handling in probe Tomasz Figa
[not found] ` <20180116132540.18939-6-jeffy.chen@rock-chips.com>
2018-01-17 5:26 ` [PATCH v2 05/13] iommu/rockchip: Fix error handling in init Tomasz Figa
[not found] ` <5A5EF7D3.90405@rock-chips.com>
2018-01-17 7:19 ` Tomasz Figa
2018-01-17 12:27 ` Tomasz Figa
2018-01-17 11:36 ` Robin Murphy
[not found] ` <20180116132540.18939-11-jeffy.chen@rock-chips.com>
2018-01-17 5:37 ` [PATCH v2 10/13] iommu/rockchip: Use IOMMU device for dma mapping operations Tomasz Figa
[not found] ` <20180116132540.18939-12-jeffy.chen@rock-chips.com>
2018-01-17 5:44 ` [PATCH v2 11/13] iommu/rockchip: Use OF_IOMMU to attach devices automatically Tomasz Figa
[not found] ` <5A5EF94E.7010806@rock-chips.com>
2018-01-17 7:30 ` Tomasz Figa
2018-01-17 7:47 ` JeffyChen [this message]
[not found] ` <20180116132540.18939-13-jeffy.chen@rock-chips.com>
2018-01-17 6:20 ` [PATCH v2 12/13] iommu/rockchip: Add runtime PM support Tomasz Figa
[not found] ` <5A5EFAB2.7040001@rock-chips.com>
2018-01-17 7:38 ` Tomasz Figa
2018-01-17 7:52 ` JeffyChen
2018-01-17 8:48 ` JeffyChen
[not found] ` <20180116132540.18939-10-jeffy.chen@rock-chips.com>
2018-01-17 12:31 ` [PATCH v2 09/13] iommu/rockchip: Use iommu_group_get_for_dev() for add_device Robin Murphy
2018-01-17 12:47 ` JeffyChen
2018-01-17 12:53 ` JeffyChen
[not found] ` <20180116132540.18939-14-jeffy.chen@rock-chips.com>
2018-01-17 13:00 ` [PATCH v2 13/13] iommu/rockchip: Support sharing IOMMU between masters Robin Murphy
2018-01-17 13:32 ` JeffyChen
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