diff options
author | Alex Elder <elder@linaro.org> | 2013-09-12 18:07:34 -0500 |
---|---|---|
committer | Alex Elder <elder@linaro.org> | 2014-03-31 08:01:13 -0500 |
commit | ca2003f784431a1077e36d20caece3d0dea00e78 (patch) | |
tree | 9ba8d349c1477833f55c70c8fc88ba59c8c5b5c4 /include/linux | |
parent | 59c03da785f7b07b8c2e19f489451608f51e6225 (diff) |
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>
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/clk-provider.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 939533da93a..511917416fb 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -32,6 +32,7 @@ #define CLK_GET_ACCURACY_NOCACHE BIT(8) /* do not use the cached clk accuracy */ struct clk_hw; +struct dentry; /** * struct clk_ops - Callback operations for hardware clocks; these are to @@ -127,6 +128,12 @@ struct clk_hw; * separately via calls to .set_parent and .set_rate. * Returns 0 on success, -EERROR otherwise. * + * @debug_init: Set up type-specific debugfs entries for this clock. This + * is called once, after the debugfs directory entry for this + * clock has been created. The dentry pointer representing that + * directory is provided as an argument. Called with + * prepare_lock held. Returns 0 on success, -EERROR otherwise. + * * * The clk_enable/clk_disable and clk_prepare/clk_unprepare pairs allow * implementations to split any work between atomic (enable) and sleepable @@ -165,6 +172,7 @@ struct clk_ops { unsigned long (*recalc_accuracy)(struct clk_hw *hw, unsigned long parent_accuracy); void (*init)(struct clk_hw *hw); + int (*debug_init)(struct clk_hw *hw, struct dentry *dentry); }; /** |