[PATCH v4 15/23] clk: renesas: r8a7795: Obtain mode pin values from R-Car RST driver
Geert Uytterhoeven
geert+renesas at glider.be
Fri Oct 21 06:17:29 PDT 2016
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>
Acked-by: Dirk Behme <dirk.behme at de.bosch.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
---
v4:
- Add Acked-by, Reviewed-by,
v3:
- New.
---
drivers/clk/renesas/r8a7795-cpg-mssr.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/renesas/r8a7795-cpg-mssr.c b/drivers/clk/renesas/r8a7795-cpg-mssr.c
index f255e451e8cafbbf..726c3d7940b491b9 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 @@ enum clk_ids {
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) {
--
1.9.1
More information about the linux-arm-kernel
mailing list