Re: [PATCH v3 1/6] soc: renesas: rz-sysc: add syscon/regmap support
From: Geert Uytterhoeven
Date: Mon Mar 17 2025 - 11:13:27 EST
On Sat, 15 Mar 2025 at 09:12, John Madieu <john.madieu.xa@xxxxxxxxxxxxxx> wrote:
> The RZ/G3E system controller has various registers that control or report
> some properties specific to individual IPs. The regmap is registered as a
> syscon device to allow these IP drivers to access the registers through the
> regmap API.
>
> As other RZ SoCs might have custom read/write callbacks or max-offsets, let's
> register a custom regmap configuration.
>
> Signed-off-by: John Madieu <john.madieu.xa@xxxxxxxxxxxxxx>
> --- a/drivers/soc/renesas/rz-sysc.c
> +++ b/drivers/soc/renesas/rz-sysc.c
> @@ -6,8 +6,10 @@
> */
>
> #include <linux/io.h>
> +#include <linux/mfd/syscon.h>
> #include <linux/of.h>
> #include <linux/platform_device.h>
> +#include <linux/regmap.h>
> #include <linux/sys_soc.h>
>
> #include "rz-sysc.h"
> @@ -81,6 +83,14 @@ static int rz_sysc_soc_init(struct rz_sysc *sysc, const struct of_device_id *mat
> return 0;
> }
>
> +static struct regmap_config rz_sysc_regmap = {
WARNING: struct regmap_config should normally be const
Aborting review, new version has been posted...
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds