Re: [PATCH 1/2] clk: shmobile: add Renesas R-Car Gen3 CPG support

From: Geert Uytterhoeven
Date: Wed Aug 26 2015 - 03:29:08 EST


Hi Stephen,

On Wed, Aug 26, 2015 at 12:46 AM, Stephen Boyd <sboyd@xxxxxxxxxxxxxx> wrote:
>> --- /dev/null
>> +++ b/drivers/clk/shmobile/clk-rcar-gen3.c

>> +
>> +/*
>> + * Reset register definitions.
>> + */
>> +#define MODEMR 0xe6160060
>> +
>> +static u32 rcar_gen3_read_mode_pins(void)
>> +{
>> + static u32 mode;
>> + static bool mode_valid;
>> +
>> + if (!mode_valid) {
>> + void __iomem *modemr = ioremap_nocache(MODEMR, 4);
>> +
>> + BUG_ON(!modemr);
>> + mode = ioread32(modemr);
>> + iounmap(modemr);
>> + mode_valid = true;
>> + }
>> +
>> + return mode;
>> +}
>
> Perhaps this should be read using a syscon?

Like "[PATCH/RFC 00/11] ARM: shmobile: Let CPG use syscon for MD pin values"
(http://www.spinics.net/lists/linux-clk/msg01478.html)?

It wasn't so well received...

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
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