linux-kernel - [PATCH 1/3] clk: add a clk_hw helper to get the associate device structure

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Message-Id: <20241220-amlogic-clk-drop-clk-regmap-tables-v1-1-96dd657cbfbd@baylibre.com>
Date: Fri, 20 Dec 2024 18:17:42 +0100
From: Jerome Brunet <jbrunet@...libre.com>
To: Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Neil Armstrong <neil.armstrong@...aro.org>, 
 Kevin Hilman <khilman@...libre.com>, 
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc: linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-amlogic@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org, 
 Jerome Brunet <jbrunet@...libre.com>
Subject: [PATCH 1/3] clk: add a clk_hw helper to get the associate device
 structure

Add an helper function to get the 'struct device' associated with
an a 'clk_hw'. This can be used by clock drivers to access various
device related functionnalities such as devres, dev_ prints, etc ...

Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
---
 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 9b45fa005030f56e1478b9742715ebcde898133f..7e734d2955978cafd77d911562a26f1646684ec2 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -365,6 +365,12 @@ const char *clk_hw_get_name(const struct clk_hw *hw)
 }
 EXPORT_SYMBOL_GPL(clk_hw_get_name);
 
+struct device *clk_hw_get_dev(const struct clk_hw *hw)
+{
+	return hw->core->dev;
+}
+EXPORT_SYMBOL_GPL(clk_hw_get_dev);
+
 struct clk_hw *__clk_get_hw(struct clk *clk)
 {
 	return !clk ? NULL : clk->core->hw;
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 2e6e603b749342931c0d0693c3e72b62c000791b..e5f111dce6ae26c1103f5ff60bebbdb2fa230060 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -1360,6 +1360,7 @@ void clk_hw_unregister(struct clk_hw *hw);
 /* helper functions */
 const char *__clk_get_name(const struct clk *clk);
 const char *clk_hw_get_name(const struct clk_hw *hw);
+struct device *clk_hw_get_dev(const struct clk_hw *hw);
 #ifdef CONFIG_COMMON_CLK
 struct clk_hw *__clk_get_hw(struct clk *clk);
 #else

-- 
2.45.2