From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Wed, 1 Jun 2016 12:54:10 +0000 (+0200)
Subject: clk: renesas: r8a7795: Obtain mode pin values from R-Car RST driver
X-Git-Tag: v4.10-rc1~161^2~29^2~1^2~8
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=969921e0d2b5a582aa6a28cb2208273a2d5679d6;p=linux.git

clk: renesas: r8a7795: Obtain mode pin values from R-Car RST driver

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>
Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---

diff --git a/drivers/clk/renesas/r8a7795-cpg-mssr.c b/drivers/clk/renesas/r8a7795-cpg-mssr.c
index f255e451e8ca..726c3d7940b4 100644
--- a/drivers/clk/renesas/r8a7795-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a7795-cpg-mssr.c
@@ -15,6 +15,7 @@
 #include <linux/device.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
+#include <linux/soc/renesas/rcar-rst.h>
 
 #include <dt-bindings/clock/r8a7795-cpg-mssr.h>
 
@@ -311,7 +312,12 @@ static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] __initconst = {
 static int __init r8a7795_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) {