[PATCH 2/4] clk: ti: add new API for checking if a provided clock is an OMAP clock

[Tero Kristo <t-kristo@ti.com>]

omap2_clk_is_hw_omap can now be used to verify if the provided clk_hw
is an omap HW clock or not. This is done to replace the usage of CLK_IS_BASIC
flag within the TI clock drivers.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
---
 drivers/clk/ti/clk.c   | 18 ++++++++++++++++++
 drivers/clk/ti/clock.h |  1 +
 2 files changed, 19 insertions(+)

diff --git a/drivers/clk/ti/clk.c b/drivers/clk/ti/clk.c
index 8172843..05f9d1a 100644
--- a/drivers/clk/ti/clk.c
+++ b/drivers/clk/ti/clk.c
@@ -559,3 +559,22 @@ int omap2_clk_for_each(int (*fn)(struct clk_hw_omap *hw))
 
 	return ret;
 }
+
+/**
+ * omap2_clk_is_hw_omap - check if the provided clk_hw is OMAP clock
+ * @hw: clk_hw to check if it is an omap clock or not
+ *
+ * Checks if the provided clk_hw is OMAP clock or not. Returns true if
+ * it is, false otherwise.
+ */
+bool omap2_clk_is_hw_omap(struct clk_hw *hw)
+{
+	struct clk_hw_omap *oclk;
+
+	list_for_each_entry(oclk, &clk_hw_omap_clocks, node) {
+		if (&oclk->hw == hw)
+			return true;
+	}
+
+	return false;
+}
diff --git a/drivers/clk/ti/clock.h b/drivers/clk/ti/clock.h
index e5b8af3..034ff6a 100644
--- a/drivers/clk/ti/clock.h
+++ b/drivers/clk/ti/clock.h
@@ -302,6 +302,7 @@ long omap4_dpll_regm4xen_round_rate(struct clk_hw *hw,
 int omap4_dpll_regm4xen_determine_rate(struct clk_hw *hw,
 				       struct clk_rate_request *req);
 int omap2_clk_for_each(int (*fn)(struct clk_hw_omap *hw));
+bool omap2_clk_is_hw_omap(struct clk_hw *hw);
 
 extern struct ti_clk_ll_ops *ti_clk_ll_ops;
 
-- 
1.9.1

--
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki