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-rw-r--r--target/linux/brcm2708/patches-3.10/0125-clockevents-Add-module-refcount.patch46
1 files changed, 46 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-3.10/0125-clockevents-Add-module-refcount.patch b/target/linux/brcm2708/patches-3.10/0125-clockevents-Add-module-refcount.patch
new file mode 100644
index 0000000000..75f1c49ba3
--- /dev/null
+++ b/target/linux/brcm2708/patches-3.10/0125-clockevents-Add-module-refcount.patch
@@ -0,0 +1,46 @@
+From 38ca21f81217c14749f190f44709d4f5606ff798 Mon Sep 17 00:00:00 2001
+From: Thomas Gleixner <tglx@linutronix.de>
+Date: Thu, 25 Apr 2013 20:31:49 +0000
+Subject: [PATCH 125/174] clockevents: Add module refcount
+
+commit ccf33d6880f39a35158fff66db13000ae4943fac upstream.
+
+We want to be able to remove clockevent modules as well. Add a
+refcount so we don't remove a module with an active clock event
+device.
+
+Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
+Cc: John Stultz <john.stultz@linaro.org>
+Cc: Magnus Damm <magnus.damm@gmail.com>
+Link: http://lkml.kernel.org/r/20130425143436.307435149@linutronix.de
+Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
+Cc: Kim Phillips <kim.phillips@linaro.org>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ kernel/time/tick-broadcast.c | 2 ++
+ kernel/time/tick-common.c | 3 +++
+ 2 files changed, 5 insertions(+)
+
+--- a/kernel/time/tick-broadcast.c
++++ b/kernel/time/tick-broadcast.c
+@@ -92,6 +92,8 @@ void tick_install_broadcast_device(struc
+
+ if (!try_module_get(dev->owner))
+ return;
++ if (!try_module_get(dev->owner))
++ return;
+
+ clockevents_exchange_device(cur, dev);
+ if (cur)
+--- a/kernel/time/tick-common.c
++++ b/kernel/time/tick-common.c
+@@ -273,6 +273,9 @@ void tick_check_new_device(struct clock_
+ if (!try_module_get(newdev->owner))
+ return;
+
++ if (!try_module_get(newdev->owner))
++ return;
++
+ /*
+ * Replace the eventually existing device by the new
+ * device. If the current device is the broadcast device, do