Hi, Doug Anderson <dianders@xxxxxxxxxxxx> writes: >>>> isn't this a regression ? You're first clearing the interrupts and only >>>> then reading to check what's pending, however, what's pending has just >>>> been cleared. Seems like this should be: >>>> >>>> hprt0 = dwc2_readl(HPRT0); >>>> dwc2_writeal(PRTINT, GINTSTS); >>> >>> Actually, we could probably remove the setting of GINTSTS_PRTINT >>> completely. The docs I have say that the GINTSTS_PRTINT is read only >>> and that: >>> >>>> The core sets this bit to indicate a change in port status of one of the >>>> DWC_otg core ports in Host mode. The application must read the >>>> Host Port Control and Status (HPRT) register to determine the exact >>>> event that caused this interrupt. The application must clear the >>>> appropriate status bit in the Host Port Control and Status register to >>>> clear this bit. >>> >>> ...so writing PRTINT is probably useless, but John can confirm. >>> >> >> Yup, it seems it can be removed. > > How do you guys want this handled? Should I send up a new version of > this patch? ...or should I send a followon patch that does this > removal? I'll leave the final decision to John, but my opinion is that a new version of the patch would be preferrable. -- balbi
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