linux-kernel - [PATCH 01/26] clk: Add clk_hw_get_num

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Date:	Fri, 31 Jul 2015 10:03:41 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Mike Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...eaurora.org>
Cc:	linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org
Subject: [PATCH 01/26] clk: Add clk_hw_get_num_parents()

Most provider drivers don't need to deal with struct clk, but
they may want to call __clk_get_num_parents() and so they have to
get the struct clk out of struct clk_hw so they can ask the
framework for the number of parents. Hide this all behind a
clk_hw specific API.
---
 drivers/clk/clk.c            | 6 ++++++
 include/linux/clk-provider.h | 1 +
 2 files changed, 7 insertions(+)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 898052ee0efa..5a147c2b1e36 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -289,6 +289,12 @@ u8 __clk_get_num_parents(struct clk *clk)
 }
 EXPORT_SYMBOL_GPL(__clk_get_num_parents);
 
+unsigned int clk_hw_get_num_parents(struct clk_hw *hw)
+{
+	return hw->core->num_parents;
+}
+EXPORT_SYMBOL_GPL(clk_hw_get_num_parents);
+
 struct clk *__clk_get_parent(struct clk *clk)
 {
 	if (!clk)
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 06a56e55cfaf..214634a88f38 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -609,6 +609,7 @@ void devm_clk_unregister(struct device *dev, struct clk *clk);
 const char *__clk_get_name(struct clk *clk);
 struct clk_hw *__clk_get_hw(struct clk *clk);
 u8 __clk_get_num_parents(struct clk *clk);
+unsigned int clk_hw_get_num_parents(struct clk_hw *hw);
 struct clk *__clk_get_parent(struct clk *clk);
 struct clk *clk_get_parent_by_index(struct clk *clk, u8 index);
 unsigned int __clk_get_enable_count(struct clk *clk);
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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