aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/sunxi/patches-3.13/123-clk-sunxi-automatic-reparenting.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/sunxi/patches-3.13/123-clk-sunxi-automatic-reparenting.patch')
-rw-r--r--target/linux/sunxi/patches-3.13/123-clk-sunxi-automatic-reparenting.patch68
1 files changed, 0 insertions, 68 deletions
diff --git a/target/linux/sunxi/patches-3.13/123-clk-sunxi-automatic-reparenting.patch b/target/linux/sunxi/patches-3.13/123-clk-sunxi-automatic-reparenting.patch
deleted file mode 100644
index cd635ed83b..0000000000
--- a/target/linux/sunxi/patches-3.13/123-clk-sunxi-automatic-reparenting.patch
+++ /dev/null
@@ -1,68 +0,0 @@
-From 04b5b3f9c83c0c0b472c4704d83ec7f56a485a21 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Emilio=20L=C3=B3pez?= <emilio@elopez.com.ar>
-Date: Thu, 5 Sep 2013 19:52:41 -0300
-Subject: [PATCH] clk: sunxi: factors: automatic reparenting support
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-This commit implements .determine_rate, so that our factor clocks can be
-reparented when needed.
-
-Signed-off-by: Emilio López <emilio@elopez.com.ar>
----
- drivers/clk/sunxi/clk-factors.c | 36 ++++++++++++++++++++++++++++++++++++
- 1 file changed, 36 insertions(+)
-
---- a/drivers/clk/sunxi/clk-factors.c
-+++ b/drivers/clk/sunxi/clk-factors.c
-@@ -77,6 +77,41 @@ static long clk_factors_round_rate(struc
- return rate;
- }
-
-+static long clk_factors_determine_rate(struct clk_hw *hw, unsigned long rate,
-+ unsigned long *best_parent_rate,
-+ struct clk **best_parent_p)
-+{
-+ struct clk *clk = hw->clk, *parent, *best_parent = NULL;
-+ int i, num_parents;
-+ unsigned long parent_rate, best = 0, child_rate, best_child_rate = 0;
-+
-+ /* find the parent that can help provide the fastest rate <= rate */
-+ num_parents = __clk_get_num_parents(clk);
-+ for (i = 0; i < num_parents; i++) {
-+ parent = clk_get_parent_by_index(clk, i);
-+ if (!parent)
-+ continue;
-+ if (__clk_get_flags(clk) & CLK_SET_RATE_PARENT)
-+ parent_rate = __clk_round_rate(parent, rate);
-+ else
-+ parent_rate = __clk_get_rate(parent);
-+
-+ child_rate = clk_factors_round_rate(hw, rate, &parent_rate);
-+
-+ if (child_rate <= rate && child_rate > best_child_rate) {
-+ best_parent = parent;
-+ best = parent_rate;
-+ best_child_rate = child_rate;
-+ }
-+ }
-+
-+ if (best_parent)
-+ *best_parent_p = best_parent;
-+ *best_parent_rate = best;
-+
-+ return best_child_rate;
-+}
-+
- static int clk_factors_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
- {
-@@ -113,6 +148,7 @@ static int clk_factors_set_rate(struct c
- }
-
- const struct clk_ops clk_factors_ops = {
-+ .determine_rate = clk_factors_determine_rate,
- .recalc_rate = clk_factors_recalc_rate,
- .round_rate = clk_factors_round_rate,
- .set_rate = clk_factors_set_rate,