Hello, On Wed, May 17, 2023 at 1:56 PM zelong dong <zelong.dong@xxxxxxxxxxx> wrote: > > From: Zelong Dong <zelong.dong@xxxxxxxxxxx> > > Supports MMIO regmaps to access controller registers in Meson IR driver. > > Signed-off-by: Zelong Dong <zelong.dong@xxxxxxxxxxx> > --- > drivers/media/rc/meson-ir.c | 72 +++++++++++++++++++------------------ Kconfig also has to be updated with: select REGMAP_MMIO Otherwise you can end up with a compile error: undefined reference to `__devm_regmap_init_mmio_clk` See a recent patch on this: [0] Best regards, Martin [0] https://lore.kernel.org/lkml/20230228043423.19335-1-xry111@xxxxxxxxxxx/