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author | John Crispin <john@openwrt.org> | 2015-03-16 07:41:24 +0000 |
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committer | John Crispin <john@openwrt.org> | 2015-03-16 07:41:24 +0000 |
commit | c0a15a57bda510fac081d536013d16446baf6813 (patch) | |
tree | 941690d0c41e1342dbcdac9639e64605e230af51 /target/linux/sunxi/patches-3.14/187-clk-sunxi-automatic-reparenting.patch | |
parent | eb396d656911024685f1f514036aec091669211f (diff) | |
download | mtk-20170518-c0a15a57bda510fac081d536013d16446baf6813.zip mtk-20170518-c0a15a57bda510fac081d536013d16446baf6813.tar.gz mtk-20170518-c0a15a57bda510fac081d536013d16446baf6813.tar.bz2 |
sunxi: drop 3.14 support
Signed-off-by: John Crispin <blogic@openwrt.org>
SVN-Revision: 44824
Diffstat (limited to 'target/linux/sunxi/patches-3.14/187-clk-sunxi-automatic-reparenting.patch')
-rw-r--r-- | target/linux/sunxi/patches-3.14/187-clk-sunxi-automatic-reparenting.patch | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/target/linux/sunxi/patches-3.14/187-clk-sunxi-automatic-reparenting.patch b/target/linux/sunxi/patches-3.14/187-clk-sunxi-automatic-reparenting.patch deleted file mode 100644 index 2cd8a26..0000000 --- a/target/linux/sunxi/patches-3.14/187-clk-sunxi-automatic-reparenting.patch +++ /dev/null @@ -1,68 +0,0 @@ -From b416520f239aeaa4207ebe84c22247cff2da444f 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, |