diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0344-clk-Allow-clocks-to-be-marked-as-CRITICAL.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.4/0344-clk-Allow-clocks-to-be-marked-as-CRITICAL.patch | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0344-clk-Allow-clocks-to-be-marked-as-CRITICAL.patch b/target/linux/brcm2708/patches-4.4/0344-clk-Allow-clocks-to-be-marked-as-CRITICAL.patch deleted file mode 100644 index 702de5cb74..0000000000 --- a/target/linux/brcm2708/patches-4.4/0344-clk-Allow-clocks-to-be-marked-as-CRITICAL.patch +++ /dev/null @@ -1,43 +0,0 @@ -From 731550c50d5e00edd555f25de0cc49a0ca564c0f Mon Sep 17 00:00:00 2001 -From: Lee Jones <lee.jones@linaro.org> -Date: Thu, 11 Feb 2016 13:19:09 -0800 -Subject: [PATCH] clk: Allow clocks to be marked as CRITICAL - -Critical clocks are those which must not be gated, else undefined -or catastrophic failure would occur. Here we have chosen to -ensure the prepare/enable counts are correctly incremented, so as -not to confuse users with enabled clocks with no visible users. - -Signed-off-by: Lee Jones <lee.jones@linaro.org> -Signed-off-by: Michael Turquette <mturquette@baylibre.com> -Link: lkml.kernel.org/r/1455225554-13267-2-git-send-email-mturquette@baylibre.com -(cherry picked from commit 32b9b10961860860268961d9aad0c56a73018c37) ---- - drivers/clk/clk.c | 5 +++++ - include/linux/clk-provider.h | 1 + - 2 files changed, 6 insertions(+) - ---- a/drivers/clk/clk.c -+++ b/drivers/clk/clk.c -@@ -2466,6 +2466,11 @@ static int __clk_init(struct device *dev - if (core->ops->init) - core->ops->init(core->hw); - -+ if (core->flags & CLK_IS_CRITICAL) { -+ clk_core_prepare(core); -+ clk_core_enable(core); -+ } -+ - kref_init(&core->ref); - out: - clk_prepare_unlock(); ---- a/include/linux/clk-provider.h -+++ b/include/linux/clk-provider.h -@@ -31,6 +31,7 @@ - #define CLK_SET_RATE_NO_REPARENT BIT(7) /* don't re-parent on rate change */ - #define CLK_GET_ACCURACY_NOCACHE BIT(8) /* do not use the cached clk accuracy */ - #define CLK_RECALC_NEW_RATES BIT(9) /* recalc rates after notifications */ -+#define CLK_IS_CRITICAL BIT(11) /* do not gate, ever */ - - struct clk; - struct clk_hw; |