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authorTakashi Iwai <tiwai@suse.de>2013-08-15 22:43:46 +0400
committerTakashi Iwai <tiwai@suse.de>2013-08-15 22:43:46 +0400
commitf85a6597a6ce33fe4f390744b2764b30aa7bfda8 (patch)
tree9b923afc20e7d3a7e78f98d600fd7e6633b4265b /arch/powerpc/include/asm/switch_to.h
parent140d37de62ffe8405282a1d6498f3b4099006384 (diff)
parent44ffb69ec617f64cd83182e8b64d93b84758d636 (diff)
downloadlinux-f85a6597a6ce33fe4f390744b2764b30aa7bfda8.tar.xz
Merge tag 'asoc-v3.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v3.11 A few driver specific fixes here plus one core fix for a memory corruption issue in DAPM initialisation which could lead to crashes.
Diffstat (limited to 'arch/powerpc/include/asm/switch_to.h')
-rw-r--r--arch/powerpc/include/asm/switch_to.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h
index 49a13e0ef234..294c2cedcf7a 100644
--- a/arch/powerpc/include/asm/switch_to.h
+++ b/arch/powerpc/include/asm/switch_to.h
@@ -15,6 +15,15 @@ extern struct task_struct *__switch_to(struct task_struct *,
struct thread_struct;
extern struct task_struct *_switch(struct thread_struct *prev,
struct thread_struct *next);
+#ifdef CONFIG_PPC_BOOK3S_64
+static inline void save_tar(struct thread_struct *prev)
+{
+ if (cpu_has_feature(CPU_FTR_ARCH_207S))
+ prev->tar = mfspr(SPRN_TAR);
+}
+#else
+static inline void save_tar(struct thread_struct *prev) {}
+#endif
extern void giveup_fpu(struct task_struct *);
extern void load_up_fpu(void);