Hi Krzysztof, On Tue, Oct 12, 2021 at 02:24:17PM +0200, Krzysztof Hałasa wrote: > Jacopo, > > > I'll pretend I haven't read this not to be dragged in tangential > > discussions. My whole point was such a commit message is useless as I > > assume if you submit a driver for inclusion you have tested it. > > Fine, I will remove that very commit comment. > > > I think the clock rate should be assigned in DTS and you should verify > > it falls in the supported clock ranges. > > Which driver does that, please? > clk_set_rate() appears to be used by multiple drivers, I was thinking > I can use it. > I can see clock frequencies in DTS, but they usually refer to fixed > clocks (e.g. crystal-based). The clock I use is IMX6QDL_CLK_CKO, some > sort of a shared generic clock from inside of the CPU. I don't know if > I could even set its frequency in DTS. Please see: https://hverkuil.home.xs4all.nl/spec/driver-api/camera-sensor.html Generally camera sensor drivers that set the clock in drivers themselves are (very) old. -- Regards, Sakari Ailus