Re: [PATCH/RFC v3 15/22] clk: renesas: r8a7796: Obtain mode pin values from R-Car RST driver
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: 2016-06-02 22:02:21
Also in:
linux-arm-kernel, linux-renesas-soc
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@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
quoted hunk ↗ jump to hunk
--- 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.cb/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_configcpg_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