On 1/22/2021 9:12 AM, Bjorn Andersson wrote: > On Thu 21 Jan 22:01 CST 2021, Wesley Cheng wrote: > Hi Bjorn, > > Under what circumstances should we specify this? And in particular are > there scenarios (in the Qualcomm platforms) where this must not be set? >The TXFIFO dynamic allocation is actually a feature within the DWC3 controller, and isn't specifically for QCOM based platforms. It won't do any harm functionally if this flag is not set, as this is meant for enhancing performance/bandwidth. > In particular, the composition can be changed in runtime, so should we > set this for all Qualcomm platforms? > Ideally yes, if we want to increase bandwith for situations where SS endpoint bursting is set to a higher value. > And if that's the case, can we not just set it from the qcom driver? > Since this is a common DWC3 core feature, I think it would make more sense to have it in DWC3 core instead of a vendor's DWC3 glue driver. Thanks Wesley Cheng > Regards, > Bjorn -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
