On Wed, Sep 25, 2019 at 05:36:23PM +0800, Charles Yeh wrote: > Johan Hovold <johan@xxxxxxxxxx> 於 2019年9月25日 週三 下午4:06寫道： > > Meanwhile you can double check that you've considered all > > review-feedback you've gotten so far. > > > > I don't think you ever replied to my last comment about the reset > > register and why I thought using plain write (not read, mask, write) was > > the right thing to do. > > > > Does the register always read back as 0, or does it read back as the > > last value written? > > Charles Ans: > I just asked my colleague, who is RD of design PL2303 hardware, > His answer is to read 0 forever. > > Does the register always read back as 0, or does it read back as the > last value written? > Ans: Yes, the register"#define PL2303_HXN_RESET_REG 0x07" always > read back as 0. > > I hope the above content has an answer to your question: > If there are other questions, please try to raise it.. thanks It does, thanks for confirming. Johan
