From: Tero Kristo <t-kristo@ti.com>
Date: Tue, 15 Jan 2019 09:15:13 +0000 (+0200)
Subject: clk: ti: add new API for checking if a provided clock is an OMAP clock
X-Git-Tag: v5.1-rc1~34^2~9^4~1^2~5
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=7fd79ee78a0318bd23f92c3cf3f4aba03a5dd6ad;p=linux.git

clk: ti: add new API for checking if a provided clock is an OMAP clock

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>
Acked-by: Tony Lindgren <tony@atomide.com>
Tested-by: Keerthy <j-keerthy@ti.com>
---

diff --git a/drivers/clk/ti/clk.c b/drivers/clk/ti/clk.c
index 817284324d41..122af2680833 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 e5b8af38cfa0..034ff6a2be07 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;