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path: root/drivers/clk/ti/dpll.c
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Diffstat (limited to 'drivers/clk/ti/dpll.c')
-rw-r--r--drivers/clk/ti/dpll.c27
1 files changed, 20 insertions, 7 deletions
diff --git a/drivers/clk/ti/dpll.c b/drivers/clk/ti/dpll.c
index 5519b386edc0..3bc9959f71c3 100644
--- a/drivers/clk/ti/dpll.c
+++ b/drivers/clk/ti/dpll.c
@@ -147,11 +147,22 @@ static void __init _register_dpll(struct clk_hw *hw,
struct dpll_data *dd = clk_hw->dpll_data;
struct clk *clk;
- dd->clk_ref = of_clk_get(node, 0);
- dd->clk_bypass = of_clk_get(node, 1);
+ clk = of_clk_get(node, 0);
+ if (IS_ERR(clk)) {
+ pr_debug("clk-ref missing for %s, retry later\n",
+ node->name);
+ if (!ti_clk_retry_init(node, hw, _register_dpll))
+ return;
- if (IS_ERR(dd->clk_ref) || IS_ERR(dd->clk_bypass)) {
- pr_debug("clk-ref or clk-bypass missing for %s, retry later\n",
+ goto cleanup;
+ }
+
+ dd->clk_ref = __clk_get_hw(clk);
+
+ clk = of_clk_get(node, 1);
+
+ if (IS_ERR(clk)) {
+ pr_debug("clk-bypass missing for %s, retry later\n",
node->name);
if (!ti_clk_retry_init(node, hw, _register_dpll))
return;
@@ -159,6 +170,8 @@ static void __init _register_dpll(struct clk_hw *hw,
goto cleanup;
}
+ dd->clk_bypass = __clk_get_hw(clk);
+
/* register the clock */
clk = clk_register(NULL, &clk_hw->hw);
@@ -251,8 +264,8 @@ struct clk *ti_clk_register_dpll(struct ti_clk *setup)
dd->recal_en_bit = dpll->recal_en_bit;
dd->recal_st_bit = dpll->recal_st_bit;
- dd->clk_ref = clk_ref;
- dd->clk_bypass = clk_bypass;
+ dd->clk_ref = __clk_get_hw(clk_ref);
+ dd->clk_bypass = __clk_get_hw(clk_bypass);
if (dpll->flags & CLKF_CORE)
ops = &omap3_dpll_core_ck_ops;
@@ -361,7 +374,7 @@ static void __init of_ti_dpll_setup(struct device_node *node,
init->ops = ops;
init->num_parents = of_clk_get_parent_count(node);
- if (init->num_parents < 1) {
+ if (!init->num_parents) {
pr_err("%s must have parent(s)\n", node->name);
goto cleanup;
}