On Fri, Jan 19, 2024 at 11:45:21PM +0100, Ahmad Fatoum wrote: > The tester fuses are written to the OCOTP by NXP during production. > So far, we only evaluated tester4 to determine which peripherals > are missing from the SoC. On the i.MX8MP, VPU and CPUs existence is > instead encoded into the tester3 fuse word. In preparation for adding > support for tester4, rename the existing masks to be tester4-specific. > > diff --git a/drivers/soc/imx/imx8m-featctrl.c b/drivers/soc/imx/imx8m-featctrl.c > index 9a2b66555dce..23a3f990160d 100644 > --- a/drivers/soc/imx/imx8m-featctrl.c > +++ b/drivers/soc/imx/imx8m-featctrl.c > @@ -33,6 +33,19 @@ static inline bool is_fused(u32 val, u32 bitmask) > return bitmask && (val & bitmask) == bitmask; > } > > +#define field_get(_mask, _reg) (((_reg) & (_mask)) >> (ffs(_mask) - 1)) It's likely time to find a common place for this. We already have that defined in drivers/clk/at91/pmc.h and the kernel also has this defined three times. Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
