Re: [Devel] [RESEND PATCH v9 3/3] iommu/arm-smmu-v3: Add workaround for Cavium ThunderX2 erratum #126

2017-06-27 Thread Robert Richter
On 27.06.17 20:28:14, Geetha Akula wrote: > On Tue, Jun 27, 2017 at 7:36 PM, Will Deacon wrote: > > On Tue, Jun 27, 2017 at 03:56:10PM +0200, Robert Richter wrote: > >> On 23.06.17 19:04:36, Geetha sowjanya wrote: > >> > From: Geetha Sowjanya

Re: [Devel] [RESEND PATCH v9 3/3] iommu/arm-smmu-v3: Add workaround for Cavium ThunderX2 erratum #126

2017-06-27 Thread Robert Richter
On 27.06.17 20:28:14, Geetha Akula wrote: > On Tue, Jun 27, 2017 at 7:36 PM, Will Deacon wrote: > > On Tue, Jun 27, 2017 at 03:56:10PM +0200, Robert Richter wrote: > >> On 23.06.17 19:04:36, Geetha sowjanya wrote: > >> > From: Geetha Sowjanya > >> > > >> > Cavium ThunderX2 SMMU doesn't support

Re: [Devel] [RESEND PATCH v9 3/3] iommu/arm-smmu-v3: Add workaround for Cavium ThunderX2 erratum #126

2017-06-27 Thread Geetha Akula
On Tue, Jun 27, 2017 at 7:36 PM, Will Deacon wrote: > On Tue, Jun 27, 2017 at 03:56:10PM +0200, Robert Richter wrote: >> On 23.06.17 19:04:36, Geetha sowjanya wrote: >> > From: Geetha Sowjanya >> > >> > Cavium ThunderX2 SMMU doesn't support

Re: [Devel] [RESEND PATCH v9 3/3] iommu/arm-smmu-v3: Add workaround for Cavium ThunderX2 erratum #126

2017-06-27 Thread Geetha Akula
On Tue, Jun 27, 2017 at 7:36 PM, Will Deacon wrote: > On Tue, Jun 27, 2017 at 03:56:10PM +0200, Robert Richter wrote: >> On 23.06.17 19:04:36, Geetha sowjanya wrote: >> > From: Geetha Sowjanya >> > >> > Cavium ThunderX2 SMMU doesn't support MSI and also doesn't have unique irq >> > lines for

Re: [Devel] [RESEND PATCH v9 3/3] iommu/arm-smmu-v3: Add workaround for Cavium ThunderX2 erratum #126

2017-06-27 Thread Will Deacon
On Tue, Jun 27, 2017 at 03:56:10PM +0200, Robert Richter wrote: > On 23.06.17 19:04:36, Geetha sowjanya wrote: > > From: Geetha Sowjanya > > > > Cavium ThunderX2 SMMU doesn't support MSI and also doesn't have unique irq > > lines for gerror, eventq and cmdq-sync.

Re: [Devel] [RESEND PATCH v9 3/3] iommu/arm-smmu-v3: Add workaround for Cavium ThunderX2 erratum #126

2017-06-27 Thread Will Deacon
On Tue, Jun 27, 2017 at 03:56:10PM +0200, Robert Richter wrote: > On 23.06.17 19:04:36, Geetha sowjanya wrote: > > From: Geetha Sowjanya > > > > Cavium ThunderX2 SMMU doesn't support MSI and also doesn't have unique irq > > lines for gerror, eventq and cmdq-sync. > > > > New named irq

Re: [Devel] [RESEND PATCH v9 3/3] iommu/arm-smmu-v3: Add workaround for Cavium ThunderX2 erratum #126

2017-06-27 Thread Robert Richter
On 23.06.17 19:04:36, Geetha sowjanya wrote: > From: Geetha Sowjanya > > Cavium ThunderX2 SMMU doesn't support MSI and also doesn't have unique irq > lines for gerror, eventq and cmdq-sync. > > New named irq "combined" is set as a errata workaround, which allows

Re: [Devel] [RESEND PATCH v9 3/3] iommu/arm-smmu-v3: Add workaround for Cavium ThunderX2 erratum #126

2017-06-27 Thread Robert Richter
On 23.06.17 19:04:36, Geetha sowjanya wrote: > From: Geetha Sowjanya > > Cavium ThunderX2 SMMU doesn't support MSI and also doesn't have unique irq > lines for gerror, eventq and cmdq-sync. > > New named irq "combined" is set as a errata workaround, which allows to > share the irq line by