diff options
Diffstat (limited to 'target/linux/sunxi/patches-3.12/111-clk-composite-determine-rate.patch')
| -rw-r--r-- | target/linux/sunxi/patches-3.12/111-clk-composite-determine-rate.patch | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/target/linux/sunxi/patches-3.12/111-clk-composite-determine-rate.patch b/target/linux/sunxi/patches-3.12/111-clk-composite-determine-rate.patch deleted file mode 100644 index 0b4697a605..0000000000 --- a/target/linux/sunxi/patches-3.12/111-clk-composite-determine-rate.patch +++ /dev/null @@ -1,74 +0,0 @@ -From de7bfadd1022613ab2c7eeca124bb1e4a6f4c072 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Emilio=20L=C3=B3pez?= <emilio@elopez.com.ar> -Date: Thu, 5 Sep 2013 19:43:33 -0300 -Subject: [PATCH] clk: composite: .determine_rate support -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -This commit adds .determine_rate support to the composite clock. It will -use the .determine_rate callback from the rate component if available, -and fall back on the mux component otherwise. This allows composite -clocks to enjoy the benefits of automatic clock reparenting. - -Signed-off-by: Emilio López <emilio@elopez.com.ar> ---- - drivers/clk/clk-composite.c | 28 ++++++++++++++++++++++++++++ - 1 file changed, 28 insertions(+) - -diff --git a/drivers/clk/clk-composite.c b/drivers/clk/clk-composite.c -index a33f46f..753d0b7 100644 ---- a/drivers/clk/clk-composite.c -+++ b/drivers/clk/clk-composite.c -@@ -55,6 +55,30 @@ static unsigned long clk_composite_recalc_rate(struct clk_hw *hw, - return rate_ops->recalc_rate(rate_hw, parent_rate); - } - -+static long clk_composite_determine_rate(struct clk_hw *hw, unsigned long rate, -+ unsigned long *best_parent_rate, -+ struct clk **best_parent_p) -+{ -+ struct clk_composite *composite = to_clk_composite(hw); -+ const struct clk_ops *rate_ops = composite->rate_ops; -+ const struct clk_ops *mux_ops = composite->mux_ops; -+ struct clk_hw *rate_hw = composite->rate_hw; -+ struct clk_hw *mux_hw = composite->mux_hw; -+ -+ if (rate_hw && rate_ops && rate_ops->determine_rate) { -+ rate_hw->clk = hw->clk; -+ return rate_ops->determine_rate(rate_hw, rate, best_parent_rate, -+ best_parent_p); -+ } else if (mux_hw && mux_ops && mux_ops->determine_rate) { -+ mux_hw->clk = hw->clk; -+ return mux_ops->determine_rate(rate_hw, rate, best_parent_rate, -+ best_parent_p); -+ } else { -+ pr_err("clk: clk_composite_determine_rate function called, but no mux or rate callback set!\n"); -+ return 0; -+ } -+} -+ - static long clk_composite_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *prate) - { -@@ -147,6 +171,8 @@ struct clk *clk_register_composite(struct device *dev, const char *name, - composite->mux_ops = mux_ops; - clk_composite_ops->get_parent = clk_composite_get_parent; - clk_composite_ops->set_parent = clk_composite_set_parent; -+ if (mux_ops->determine_rate) -+ clk_composite_ops->determine_rate = clk_composite_determine_rate; - } - - if (rate_hw && rate_ops) { -@@ -170,6 +196,8 @@ struct clk *clk_register_composite(struct device *dev, const char *name, - composite->rate_hw = rate_hw; - composite->rate_ops = rate_ops; - clk_composite_ops->recalc_rate = clk_composite_recalc_rate; -+ if (rate_ops->determine_rate) -+ clk_composite_ops->determine_rate = clk_composite_determine_rate; - } - - if (gate_hw && gate_ops) { --- -1.8.5.1 - |