From: sricharan@codeaurora.org (Sricharan)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC 0/9] IOMMU probe deferral support
Date: Fri, 20 May 2016 17:04:35 +0530 [thread overview]
Message-ID: <001701d1b28b$9941ce40$cbc56ac0$@codeaurora.org> (raw)
In-Reply-To: f192d4a0-9e13-4ae2-d3da-058e2e092634@samsung.com
Hi Robin/Laurent,
>> -----Original Message-----
>> From: linux-arm-kernel [mailto:linux-arm-kernel-
>> bounces at lists.infradead.org] On Behalf Of Marek Szyprowski
>> Sent: Thursday, May 12, 2016 6:23 PM
>> To: Sricharan R <sricharan@codeaurora.org>; will.deacon at arm.com;
>> robin.murphy at arm.com; joro at 8bytes.org; iommu at lists.linux-
>> foundation.org; linux-arm-kernel at lists.infradead.org;
>> laurent.pinchart at ideasonboard.com
>> Subject: Re: [RFC 0/9] IOMMU probe deferral support
>>
>> Hello,
>>
>>
>> On 2016-04-25 17:58, Sricharan R wrote:
>> > This is mostly a repost of the probe deferral series from Laurent
>> > Pinchart [1]. Added a check to fix boot with ACPI.
>> > Adapted arm-smmu driver to work with deferred probing and added a new
>> > api for the below reason. This is based on the generic iommu binding
>> > series from Robin Murphy <robin.murphy@arm.com>.
>>
>> Thanks for this patchset. I'm working on some serious rework in exynos
>> power domains and clocks support code and it turned out that I need this
>> feature to resolve probing order. It works fine on my internal tree, where
>> some iommu controllers cannot get their clocks early enough.
>>
>> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
>>
> Thanks for testing. So the issue that I was facing also was the same where the iommu
> controllers cannot get clocks early. So waiting for some suggestions if this is right/
> or there is another way for doing this probe deferral?
So wanted to ask what will be approach to have the probe deferral working.
I remember that you mentioned last time that you were going to visit this. Hence thought
of asking how to proceed on this ?
Regards,
Sricharan
prev parent reply other threads:[~2016-05-20 11:34 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-25 15:58 [RFC 0/9] IOMMU probe deferral support Sricharan R
2016-04-25 15:58 ` [RFC 1/9] arm: dma-mapping: Don't override dma_ops in arch_setup_dma_ops() Sricharan R
2016-04-25 15:58 ` [RFC 2/9] of: dma: Move range size workaround to of_dma_get_range() Sricharan R
2016-04-25 15:58 ` [RFC 3/9] of: dma: Make of_dma_deconfigure() public Sricharan R
2016-04-25 15:58 ` [RFC 4/9] of: dma: Split of_configure_dma() into mask and ops configuration Sricharan R
2016-04-25 15:58 ` [RFC 5/9] drivers: platform: Configure dma operations at probe time Sricharan R
2016-05-24 15:45 ` Robin Murphy
2016-05-26 4:03 ` Sricharan
2016-04-25 15:58 ` [RFC 6/9] iommu: of: Handle IOMMU lookup failure with deferred probing or error Sricharan R
2016-04-25 15:58 ` [RFC 7/9] drivers: iommu: Add a new add device api Sricharan R
2016-04-25 15:58 ` [RFC 8/9] drivers: of: call iommu_bus_add_dev after iommu_configure_ops Sricharan R
2016-05-23 8:37 ` Marek Szyprowski
2016-05-23 8:47 ` Sricharan
2016-05-24 15:59 ` Robin Murphy
2016-05-26 5:56 ` Sricharan
2016-04-25 15:58 ` [RFC 9/9] drivers: iommu: arm-smmu: Set iommu_ops in probe Sricharan R
2016-05-12 12:52 ` [RFC 0/9] IOMMU probe deferral support Marek Szyprowski
2016-05-13 6:53 ` Sricharan
2016-05-20 11:34 ` Sricharan [this message]
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