From 3fc661a98c8046a27dcf45a63049ee6605ebd364 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Wed, 8 Jun 2016 11:59:37 +0200 Subject: brcm2708: update linux 4.4 patches to latest version MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit As usual these patches were extracted from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Also alphabetically order sound-soc kernel packages. Signed-off-by: Álvaro Fernández Rojas --- ...clk-Allow-clocks-to-be-marked-as-CRITICAL.patch | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 target/linux/brcm2708/patches-4.4/0348-clk-Allow-clocks-to-be-marked-as-CRITICAL.patch (limited to 'target/linux/brcm2708/patches-4.4/0348-clk-Allow-clocks-to-be-marked-as-CRITICAL.patch') diff --git a/target/linux/brcm2708/patches-4.4/0348-clk-Allow-clocks-to-be-marked-as-CRITICAL.patch b/target/linux/brcm2708/patches-4.4/0348-clk-Allow-clocks-to-be-marked-as-CRITICAL.patch new file mode 100644 index 0000000000..bebfc5e860 --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0348-clk-Allow-clocks-to-be-marked-as-CRITICAL.patch @@ -0,0 +1,43 @@ +From ac9a9b1fcf3b0255aebc8e7f4b809f15556d9640 Mon Sep 17 00:00:00 2001 +From: Lee Jones +Date: Thu, 11 Feb 2016 13:19:09 -0800 +Subject: [PATCH 348/381] 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 +Signed-off-by: Michael Turquette +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; -- cgit v1.2.3