Re: [REGRESSION next-20170426] Commit 09515ef5ddad ("of/acpi: Configure dma operations at probe time for platform/amba/pci bus devices") causes oops in mvneta

2017-04-28 Thread Sricharan R
Hi Ralph, On 4/28/2017 5:55 PM, Ralph Sennhauser wrote: > On Fri, 28 Apr 2017 17:26:41 +0530 > Sricharan R wrote: > >> Hi Ralph, >> >> >> >>>>>>> >>>>>>> Commit 09515ef5ddad ("of/acpi: Configure dma operations

Re: [REGRESSION next-20170426] Commit 09515ef5ddad ("of/acpi: Configure dma operations at probe time for platform/amba/pci bus devices") causes oops in mvneta

2017-04-28 Thread Sricharan R
_setup_dma_ops() function is in charge of setting dma_ops with a call to set_dma_ops(). set_dma_ops() is also called from - highbank and mvebu bus notifiers - dmabounce (to be replaced with swiotlb) - arm_iommu_attach_device (arm_iommu_attach_device is itself called from IOMMU and bus mas

Re: [REGRESSION next-20170426] Commit 09515ef5ddad ("of/acpi: Configure dma operations at probe time for platform/amba/pci bus devices") causes oops in mvneta

2017-04-27 Thread Sricharan R
Hi Ralph, On 4/27/2017 8:10 PM, Ralph Sennhauser wrote: > On Thu, 27 Apr 2017 19:05:09 +0530 > Sricharan R wrote: > >> Hi, >> >> On 4/26/2017 9:45 PM, Ralph Sennhauser wrote: >>> Hi Sricharan R, >>> >>> Commit 09515ef5ddad ("of/acpi: C

Re: [REGRESSION next-20170426] Commit 09515ef5ddad ("of/acpi: Configure dma operations at probe time for platform/amba/pci bus devices") causes oops in mvneta

2017-04-27 Thread Sricharan R
Hi Ralph, On 4/27/2017 7:05 PM, Sricharan R wrote: > Hi, > > On 4/26/2017 9:45 PM, Ralph Sennhauser wrote: >> Hi Sricharan R, >> >> Commit 09515ef5ddad ("of/acpi: Configure dma operations at probe time >> for platform/amba/pci bus devices") causes

Re: [REGRESSION next-20170426] Commit 09515ef5ddad ("of/acpi: Configure dma operations at probe time for platform/amba/pci bus devices") causes oops in mvneta

2017-04-27 Thread Sricharan R
Hi, On 4/26/2017 9:45 PM, Ralph Sennhauser wrote: > Hi Sricharan R, > > Commit 09515ef5ddad ("of/acpi: Configure dma operations at probe time > for platform/amba/pci bus devices") causes a kernel panic as in the log > below on an armada-385. Reverting the commit fixe

Re: [REGRESSION next-20170426] Commit 09515ef5ddad ("of/acpi: Configure dma operations at probe time for platform/amba/pci bus devices") causes oops in mvneta

2017-04-27 Thread Sricharan R
Hi Joerg, On 4/27/2017 2:14 PM, Joerg Roedel wrote: > Sricharan, > > On Wed, Apr 26, 2017 at 06:15:08PM +0200, Ralph Sennhauser wrote: >> Commit 09515ef5ddad ("of/acpi: Configure dma operations at probe time >> for platform/amba/pci bus devices") causes a kernel panic as in the log >> below on an