clk: qoriq: add pll clock to clock lookup table

Register each PLL and its division clocks to clock
lookup table to facilitate the clock look up for
clock consumer.

Signed-off-by: Tang Yuantian <andy.tang@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c
index 62cf32f..0e7de00 100644 (file)
--- a/drivers/clk/clk-qoriq.c
+++ b/drivers/clk/clk-qoriq.c
@@ -12,6 +12,7 @@
 
 #include <linux/clk.h>
 #include <linux/clk-provider.h>
+#include <linux/clkdev.h>
 #include <linux/fsl/guts.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
@@ -1124,6 +1125,7 @@ static void __init create_one_pll(struct clockgen *cg, int idx)
 
        for (i = 0; i < ARRAY_SIZE(pll->div); i++) {
                struct clk *clk;
+               int ret;
 
                snprintf(pll->div[i].name, sizeof(pll->div[i].name),
                         "cg-pll%d-div%d", idx, i + 1);
@@ -1137,6 +1139,11 @@ static void __init create_one_pll(struct clockgen *cg, int idx)
                }
 
                pll->div[i].clk = clk;
+               ret = clk_register_clkdev(clk, pll->div[i].name, NULL);
+               if (ret != 0)
+                       pr_err("%s: %s: register to lookup table failed %ld\n",
+                              __func__, pll->div[i].name, PTR_ERR(clk));
+
        }
 }