On Mon, May 9, 2016 at 9:14 AM, Dirk Behme <dirk.behme@xxxxxxxxxxxx> wrote:
> --- a/drivers/misc/boot-mode-reg/rcar.c
> +++ b/drivers/misc/boot-mode-reg/rcar.c
> @@ -16,24 +16,32 @@
> #include <linux/io.h>
> #include <linux/module.h>
> #include <linux/of.h>
> +#include <linux/of_address.h>
>
> #include <misc/boot-mode-reg.h>
>
> -#define MODEMR 0xe6160060
> -
> static int __init rcar_read_mode_pins(void)
> {
> void __iomem *modemr;
> + struct device_node *np;
> int err = -ENOMEM;
> static u32 mode;
>
> - modemr = ioremap_nocache(MODEMR, 4);
> + np = of_find_compatible_node(NULL, NULL, "renesas,modemr");
> + if (!np) {
> + pr_err("can't find renesas,modemr device node");
> + goto err;
At least for R-Car Gen2, we need to preserve compatibility with old DTBs that
don't have the node in DT.
> + }
> +
> + modemr = of_iomap(np, 0);
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
