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authorMahesh Salgaonkar <mahesh@linux.vnet.ibm.com>2016-08-05 15:04:04 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2016-08-09 07:50:20 +0300
commit98d8821a47f3fd7354d3ab87adb50b10c9adb937 (patch)
treee1403ab29636573d0888ee9c88f4c27dec89c197 /arch/powerpc/include/asm/cpuidle.h
parente325d76f8bd2d222a1f577aba00dfb43cece4cbc (diff)
downloadlinux-98d8821a47f3fd7354d3ab87adb50b10c9adb937.tar.xz
powerpc/powernv: Move IDLE_STATE_ENTER_SEQ macro to cpuidle.h
Move IDLE_STATE_ENTER_SEQ macro to cpuidle.h so that MCE handler changes in subsequent patch can use it. No functionality change. Signed-off-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/cpuidle.h')
-rw-r--r--arch/powerpc/include/asm/cpuidle.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/cpuidle.h b/arch/powerpc/include/asm/cpuidle.h
index 3d7fc06532a1..01b8a13f0224 100644
--- a/arch/powerpc/include/asm/cpuidle.h
+++ b/arch/powerpc/include/asm/cpuidle.h
@@ -19,4 +19,17 @@ extern u64 pnv_first_deep_stop_state;
#endif
+/* Idle state entry routines */
+#ifdef CONFIG_PPC_P7_NAP
+#define IDLE_STATE_ENTER_SEQ(IDLE_INST) \
+ /* Magic NAP/SLEEP/WINKLE mode enter sequence */ \
+ std r0,0(r1); \
+ ptesync; \
+ ld r0,0(r1); \
+1: cmp cr0,r0,r0; \
+ bne 1b; \
+ IDLE_INST; \
+ b .
+#endif /* CONFIG_PPC_P7_NAP */
+
#endif