ARM: shmobile: lager-reference: Refactor clock lookup hack

Make the clock lookup hack more generic to ease the addition of more
devices.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit 9a8c3ab9c0286a6c81012eaf9e95ec2d3e58d21f)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/mach-shmobile/board-lager-reference.c b/arch/arm/mach-shmobile/board-lager-reference.c
index dc8d76b..634ef15 100644 (file)
--- a/arch/arm/mach-shmobile/board-lager-reference.c
+++ b/arch/arm/mach-shmobile/board-lager-reference.c
@@ -31,30 +31,37 @@ static void __init lager_add_standard_devices(void)
 {
 #ifdef CONFIG_COMMON_CLK
        /*
-        * This is a really crude hack to provide clkdev support to the SCIF
-        * and CMT devices until they get moved to DT.
+        * This is a really crude hack to provide clkdev support to platform
+        * devices until they get moved to DT.
         */
-       static const char * const scif_names[] = {
-               "scifa0", "scifa1", "scifb0", "scifb1",
-               "scifb2", "scifa2", "scif0", "scif1",
-               "hscif0", "hscif1",
+       static const struct clk_name {
+               const char *clk;
+               const char *con_id;
+               const char *dev_id;
+       } clk_names[] = {
+               { "cmt0", NULL, "sh_cmt.0" },
+               { "scifa0", NULL, "sh-sci.0" },
+               { "scifa1", NULL, "sh-sci.1" },
+               { "scifb0", NULL, "sh-sci.2" },
+               { "scifb1", NULL, "sh-sci.3" },
+               { "scifb2", NULL, "sh-sci.4" },
+               { "scifa2", NULL, "sh-sci.5" },
+               { "scif0", NULL, "sh-sci.6" },
+               { "scif1", NULL, "sh-sci.7" },
+               { "hscif0", NULL, "sh-sci.8" },
+               { "hscif1", NULL, "sh-sci.9" },
        };
        struct clk *clk;
        unsigned int i;
 
-       for (i = 0; i < ARRAY_SIZE(scif_names); ++i) {
-               clk = clk_get(NULL, scif_names[i]);
+       for (i = 0; i < ARRAY_SIZE(clk_names); ++i) {
+               clk = clk_get(NULL, clk_names[i].clk);
                if (!IS_ERR(clk)) {
-                       clk_register_clkdev(clk, NULL, "sh-sci.%u", i);
+                       clk_register_clkdev(clk, clk_names[i].con_id,
+                                           clk_names[i].dev_id);
                        clk_put(clk);
                }
        }
-
-       clk = clk_get(NULL, "cmt0");
-       if (!IS_ERR(clk)) {
-               clk_register_clkdev(clk, NULL, "sh_cmt.0");
-               clk_put(clk);
-       }
 #else
        r8a7790_clock_init();
 #endif