clk: support hardware-specific debugfs entries
Add a new clk_ops->debug_init method to allow a clock hardware driver to populate the clock's debugfs directory with entries beyond those common for every clock. Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: Mike Turquette <mturquette@linaro.org>
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@ -277,6 +277,10 @@ static int clk_debug_create_one(struct clk *clk, struct dentry *pdentry)
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if (!d)
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if (!d)
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goto err_out;
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goto err_out;
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if (clk->ops->debug_init)
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if (clk->ops->debug_init(clk->hw, clk->dentry))
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goto err_out;
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ret = 0;
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ret = 0;
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goto out;
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goto out;
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@ -32,6 +32,7 @@
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#define CLK_GET_ACCURACY_NOCACHE BIT(8) /* do not use the cached clk accuracy */
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#define CLK_GET_ACCURACY_NOCACHE BIT(8) /* do not use the cached clk accuracy */
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struct clk_hw;
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struct clk_hw;
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struct dentry;
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/**
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/**
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* struct clk_ops - Callback operations for hardware clocks; these are to
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* struct clk_ops - Callback operations for hardware clocks; these are to
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@ -127,6 +128,12 @@ struct clk_hw;
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* separately via calls to .set_parent and .set_rate.
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* separately via calls to .set_parent and .set_rate.
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* Returns 0 on success, -EERROR otherwise.
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* Returns 0 on success, -EERROR otherwise.
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*
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*
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* @debug_init: Set up type-specific debugfs entries for this clock. This
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* is called once, after the debugfs directory entry for this
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* clock has been created. The dentry pointer representing that
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* directory is provided as an argument. Called with
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* prepare_lock held. Returns 0 on success, -EERROR otherwise.
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*
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*
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*
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* The clk_enable/clk_disable and clk_prepare/clk_unprepare pairs allow
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* The clk_enable/clk_disable and clk_prepare/clk_unprepare pairs allow
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* implementations to split any work between atomic (enable) and sleepable
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* implementations to split any work between atomic (enable) and sleepable
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@ -165,6 +172,7 @@ struct clk_ops {
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unsigned long (*recalc_accuracy)(struct clk_hw *hw,
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unsigned long (*recalc_accuracy)(struct clk_hw *hw,
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unsigned long parent_accuracy);
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unsigned long parent_accuracy);
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void (*init)(struct clk_hw *hw);
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void (*init)(struct clk_hw *hw);
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int (*debug_init)(struct clk_hw *hw, struct dentry *dentry);
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};
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};
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/**
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/**
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