clk: tegra: pll: Add tegra_pll_wait_for_lock to clk header

Create a wrapper interface to make use of the existing
clk_pll_wait_for_lock. This will be useful for implementations
of callbacks in Tegra SoC specific clock drivers.

Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c
index e14d3ae..d53b226 100644 (file)
--- a/drivers/clk/tegra/clk-pll.c
+++ b/drivers/clk/tegra/clk-pll.c
@@ -269,6 +269,11 @@ static int clk_pll_wait_for_lock(struct tegra_clk_pll *pll)
        return -1;
 }
 
+int tegra_pll_wait_for_lock(struct tegra_clk_pll *pll)
+{
+       return clk_pll_wait_for_lock(pll);
+}
+
 static int clk_pll_is_enabled(struct clk_hw *hw)
 {
        struct tegra_clk_pll *pll = to_clk_pll(hw);

diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h
index bdaec2b..ced19e7 100644 (file)
--- a/drivers/clk/tegra/clk.h
+++ b/drivers/clk/tegra/clk.h
@@ -674,5 +674,6 @@ void tegra114_clock_deassert_dfll_dvco_reset(void);
 
 typedef void (*tegra_clk_apply_init_table_func)(void);
 extern tegra_clk_apply_init_table_func tegra_clk_apply_init_table;
+int tegra_pll_wait_for_lock(struct tegra_clk_pll *pll);
 
 #endif /* TEGRA_CLK_H */