Messages in this thread |  | | Date | Thu, 9 Jul 2020 13:02:04 +0530 | From | Vinod Koul <> | Subject | Re: [PATCH 4/5] iommu/arm-smmu-qcom: Consstently initialize stream mappings |
| |
On 08-07-20, 22:01, Bjorn Andersson wrote: > Firmware that traps writes to S2CR to translate BYPASS into FAULT also > ignores writes of type FAULT. As such booting with "disable_bypass" set > will result in all S2CR registers left as configured by the bootloader. > > This has been seen to result in indeterministic results, as these > mappings might linger and reference context banks that Linux is > reconfiguring. > > Use the fact that BYPASS writes result in FAULT type to force all stream > mappings to FAULT.
s/Consstently/Consistently in patch subject
-- ~Vinod
|  |