Re: [PATCH v2 5/9] iommu/arm-smmu: skip the execution of CMD_PREFETCH_CONFIG

2015-07-08 Thread leizhen
On 2015/7/9 1:11, Will Deacon wrote: > Hi Robin, > > FWIW, I already queued this ;) > > On Wed, Jul 08, 2015 at 02:03:13PM +0100, Robin Murphy wrote: >> On 07/07/15 04:30, Zhen Lei wrote: >>> Hisilicon SMMUv3 devices treat CMD_PREFETCH_CONFIG as a illegal command, >>> execute it will trigger GERR

Re: [PATCH v2 5/9] iommu/arm-smmu: skip the execution of CMD_PREFETCH_CONFIG

2015-07-08 Thread Will Deacon
Hi Robin, FWIW, I already queued this ;) On Wed, Jul 08, 2015 at 02:03:13PM +0100, Robin Murphy wrote: > On 07/07/15 04:30, Zhen Lei wrote: > > Hisilicon SMMUv3 devices treat CMD_PREFETCH_CONFIG as a illegal command, > > execute it will trigger GERROR interrupt. Although the gerror code manage >

Re: [PATCH v2 5/9] iommu/arm-smmu: skip the execution of CMD_PREFETCH_CONFIG

2015-07-08 Thread Robin Murphy
Hi, Thanks for the respin. I still have a few comments on the series, starting here; On 07/07/15 04:30, Zhen Lei wrote: Hisilicon SMMUv3 devices treat CMD_PREFETCH_CONFIG as a illegal command, execute it will trigger GERROR interrupt. Although the gerror code manage to turn the prefetch into

[PATCH v2 5/9] iommu/arm-smmu: skip the execution of CMD_PREFETCH_CONFIG

2015-07-06 Thread Zhen Lei
Hisilicon SMMUv3 devices treat CMD_PREFETCH_CONFIG as a illegal command, execute it will trigger GERROR interrupt. Although the gerror code manage to turn the prefetch into a SYNC, and the system can continue to run normally, but it's ugly to print error information. Signed-off-by: Zhen Lei ---