On 14/07/2023 22:32, Anjelique Melendez wrote: > > > On 7/12/2023 1:11 PM, Krzysztof Kozlowski wrote: >> On 12/07/2023 16:35, Dmitry Baryshkov wrote: >>>>>> Rob asked you - "Is there more than 1 instance in a PMIC?" - and you did >>>>>> not answer positively, just mentioned something about drivers in >>>>>> downstream, which do not matter. So is the answer for that question: >>>>>> yes, you have two instances of the same PMIC differing by presence of >>>>>> PBS and other features"? >>>>>> >>>>> Sorry that was a misunderstanding on my part. >>>>> Yes, answer to Rob's question should have been "We have two instances of PMI632, >>>>> where one instance holds the pbs peripheral and the other holds the lpg >>>>> peripherals. The child node for pbs is needed so lpg client can access >>>>> the PMI632 regmap which contains the pbs peripheral." >>>> >>>> I guess I miss here something. What is "LPG client"? I don't understand >>>> why this LPG client needs existence of PBS node, to be able to get the >>>> regmap. >>>> >>>> PBS is a child of PMIC, so it can get regmap from the parent. What's >>>> more, which DT property passes the regmap from PMIC to LPG client? >>> >>> There are some PMICs which claim two SPMI SIDs. For such PMICs, each >>> SID is a separate device, so it is not directly possible to get the >>> regmap of the other SID. >> >> OK, maybe after implementing all the review changes - including dropping >> that singleton pattern - this will be clearer. Please send new version >> and we will discuss it from there. >> > Sure, will work on getting that new version sent but I did just have clarifying question. > When you say "dropping that singleton pattern" are you referring to dropping the > PBS node? > Want to make sure we are all on the same page with what the next version will include :) I was referring to my comments on driver, that you should not have file-scope variable and get_pbs_client_device() iterating over global list. It isn't singleton, actually, but the pattern in coding is very similar to singleton approach. Best regards, Krzysztof