clk: tegra: export clock names for debugging

When writing a module for testing or debugging purposes, there is no way to
get hold of clk handles. This patch solves this by exposing all valid clocks
as clkdev's for the virtual device tegra-clk-debug.

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>

diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c
index c0a7d77..bf452b6 100644 (file)
--- a/drivers/clk/tegra/clk.c
+++ b/drivers/clk/tegra/clk.c
@@ -277,6 +277,12 @@ void __init tegra_register_devclks(struct tegra_devclk *dev_clks, int num)
        for (i = 0; i < num; i++, dev_clks++)
                clk_register_clkdev(clks[dev_clks->dt_id], dev_clks->con_id,
                                dev_clks->dev_id);
+
+       for (i = 0; i < clk_num; i++) {
+               if (!IS_ERR_OR_NULL(clks[i]))
+                       clk_register_clkdev(clks[i], __clk_get_name(clks[i]),
+                               "tegra-clk-debug");
+       }
 }
 
 struct clk ** __init tegra_lookup_dt_id(int clk_id,