* Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> [191115 15:51]: > On Fri, Nov 15, 2019 at 1:01 PM Andreas Färber <afaerber@xxxxxxx> wrote: > > Am 15.11.19 um 09:58 schrieb Geert Uytterhoeven: > > > We do our best to use it solely for detecting quirks in early SoC revisions. > > > > Got a pointer? I fail to immediately understand how sysfs would help > > drivers (as opposed to userspace) detect quirks: Parsing strings back > > doesn't sound efficient, and I don't see you exporting any custom APIs > > in drivers/soc/renesas/renesas-soc.c? > > We use soc_device_match(), inside kernel drivers. > Exposure through sysfs is a side-effect of using soc_device_register(), > and welcomed, as it allows the user to find out quickly which SoC and > revision is being used. For the omap variants too, we've so far gotten away with early SoC detection for platform code, and then use soc_device_match() in few cases for drivers at probe time if needed. Regards, Tony
