> >> Is this behavior specific to the Exynos controller or is this > >> behavior required by the UFSHCI specification? In the latter case, > >> can you tell me where to find this requirement in the UFSHCI > >> specification? I haven't found that requirement yet. Maybe this means > that I overlooked something? > > > > This is needed because those SFRs are ROC (Read to Clear) type. > > That means reading causes clearing contexts. > > The SFRs are mainly read in interrupt context but the reading is also > done in dump. > The above repeats what I can find in the patch description but doesn't > answer my question :-( > > Bart. It's definitely not Exynos specific because the fact that those SFRs are ROC type is written in UFSHCI. I don't know more things to explain why this patch is needed. You just want to know whether any additional descriptions about ROC is written ? Thanks. Kiwoong Kim
