[PATCH/RFC v3 15/22] clk: renesas: r8a7796: Obtain mode pin values from R-Car RST driver
Laurent Pinchart
laurent.pinchart at ideasonboard.com
Thu Jun 2 15:02:21 PDT 2016
Hi Geert,
Thank you for the patch.
On Wednesday 01 Jun 2016 21:21:13 Geert Uytterhoeven wrote:
> Obtain the values of the mode pins from the R-Car RST driver, which
> relies on the presence in DT of a device node for the RST module.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> ---
> v3:
> - New.
> ---
> drivers/clk/renesas/r8a7796-cpg-mssr.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/clk/renesas/r8a7796-cpg-mssr.c
> b/drivers/clk/renesas/r8a7796-cpg-mssr.c index
> c84b549c14d2e57d..3db2d1cfc8cd788e 100644
> --- a/drivers/clk/renesas/r8a7796-cpg-mssr.c
> +++ b/drivers/clk/renesas/r8a7796-cpg-mssr.c
> @@ -16,6 +16,7 @@
> #include <linux/device.h>
> #include <linux/init.h>
> #include <linux/kernel.h>
> +#include <linux/soc/renesas/rcar-rst.h>
>
> #include <dt-bindings/clock/r8a7796-cpg-mssr.h>
>
> @@ -159,7 +160,12 @@ static const struct rcar_gen3_cpg_pll_config
> cpg_pll_configs[16] __initconst = { static int __init
> r8a7796_cpg_mssr_init(struct device *dev)
> {
> const struct rcar_gen3_cpg_pll_config *cpg_pll_config;
> - u32 cpg_mode = rcar_gen3_read_mode_pins();
> + u32 cpg_mode;
> + int error;
> +
> + error = rcar_rst_read_mode_pins(&cpg_mode);
> + if (error)
> + return error;
>
> cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)];
> if (!cpg_pll_config->extal_div) {
--
Regards,
Laurent Pinchart
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