Re: [PATCHv2] iommu/arm-smmu-qcom: Add debug support for TLB sync timeouts

2022-07-07 Thread Sai Prakash Ranjan
Hi Robin, On 7/6/2022 10:15 PM, Robin Murphy wrote: On 2022-05-26 05:14, Sai Prakash Ranjan wrote: TLB sync timeouts can be due to various reasons such as TBU power down or pending TCU/TBU invalidation/sync and so on. Debugging these often require dumping of some implementation defined

Re: [PATCHv2] iommu/arm-smmu-qcom: Add debug support for TLB sync timeouts

2022-07-07 Thread Sai Prakash Ranjan
On 7/6/2022 5:26 PM, Will Deacon wrote: On Thu, May 26, 2022 at 09:44:03AM +0530, Sai Prakash Ranjan wrote: TLB sync timeouts can be due to various reasons such as TBU power down or pending TCU/TBU invalidation/sync and so on. Debugging these often require dumping of some implementation defined

Re: [PATCHv2] iommu/arm-smmu-qcom: Add debug support for TLB sync timeouts

2022-07-06 Thread Robin Murphy
On 2022-05-26 05:14, Sai Prakash Ranjan wrote: TLB sync timeouts can be due to various reasons such as TBU power down or pending TCU/TBU invalidation/sync and so on. Debugging these often require dumping of some implementation defined registers to know the status of TBU/TCU operations and some

Re: [PATCHv2] iommu/arm-smmu-qcom: Add debug support for TLB sync timeouts

2022-07-06 Thread Will Deacon
On Thu, May 26, 2022 at 09:44:03AM +0530, Sai Prakash Ranjan wrote: > TLB sync timeouts can be due to various reasons such as TBU power down > or pending TCU/TBU invalidation/sync and so on. Debugging these often > require dumping of some implementation defined registers to know the > status of

Re: [PATCHv2] iommu/arm-smmu-qcom: Add debug support for TLB sync timeouts

2022-07-04 Thread Sai Prakash Ranjan
On 6/23/2022 11:32 AM, Sai Prakash Ranjan wrote: On 5/26/2022 9:44 AM, Sai Prakash Ranjan wrote: TLB sync timeouts can be due to various reasons such as TBU power down or pending TCU/TBU invalidation/sync and so on. Debugging these often require dumping of some implementation defined registers

Re: [PATCHv2] iommu/arm-smmu-qcom: Add debug support for TLB sync timeouts

2022-06-23 Thread Sai Prakash Ranjan
On 5/26/2022 9:44 AM, Sai Prakash Ranjan wrote: TLB sync timeouts can be due to various reasons such as TBU power down or pending TCU/TBU invalidation/sync and so on. Debugging these often require dumping of some implementation defined registers to know the status of TBU/TCU operations and some

Re: [PATCHv2] iommu/arm-smmu-qcom: Add debug support for TLB sync timeouts

2022-06-09 Thread Sai Prakash Ranjan
Hi Vincent, On 6/9/2022 2:52 AM, Vincent Knecht wrote: Le jeudi 26 mai 2022 à 09:44 +0530, Sai Prakash Ranjan a écrit : TLB sync timeouts can be due to various reasons such as TBU power down or pending TCU/TBU invalidation/sync and so on. Debugging these often require dumping of some

Re: [PATCHv2] iommu/arm-smmu-qcom: Add debug support for TLB sync timeouts

2022-06-08 Thread Vincent Knecht
Le jeudi 26 mai 2022 à 09:44 +0530, Sai Prakash Ranjan a écrit : > TLB sync timeouts can be due to various reasons such as TBU power down > or pending TCU/TBU invalidation/sync and so on. Debugging these often > require dumping of some implementation defined registers to know the > status of

[PATCHv2] iommu/arm-smmu-qcom: Add debug support for TLB sync timeouts

2022-05-25 Thread Sai Prakash Ranjan
TLB sync timeouts can be due to various reasons such as TBU power down or pending TCU/TBU invalidation/sync and so on. Debugging these often require dumping of some implementation defined registers to know the status of TBU/TCU operations and some of these registers are not accessible in