linux-kernel - [PATCH 1/9] powerpc/powernv: Move CHECK_HMI

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Message-Id: <1461246599-6098-2-git-send-email-shreyas@linux.vnet.ibm.com>
Date:	Thu, 21 Apr 2016 19:19:51 +0530
From:	"Shreyas B. Prabhu" <shreyas@...ux.vnet.ibm.com>
To:	mpe@...erman.id.au
Cc:	linuxppc-dev@...ts.ozlabs.org, paulus@...abs.org,
	linux-kernel@...r.kernel.org, mikey@...ling.org,
	"Shreyas B. Prabhu" <shreyas@...ux.vnet.ibm.com>
Subject: [PATCH 1/9] powerpc/powernv: Move CHECK_HMI_INTERRUPT to exception-64s header

CHECK_HMI_INTERRUPT is used to check for HMI's in reset vector. Move
the macro to a common location (exception-64s.h)
This patch does not change any functionality.

Signed-off-by: Shreyas B. Prabhu <shreyas@...ux.vnet.ibm.com>
---
 arch/powerpc/include/asm/exception-64s.h | 18 ++++++++++++++++++
 arch/powerpc/kernel/idle_power7.S        | 20 +-------------------
 2 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
index 93ae809..6a625af 100644
--- a/arch/powerpc/include/asm/exception-64s.h
+++ b/arch/powerpc/include/asm/exception-64s.h
@@ -545,4 +545,22 @@ END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
 #define FINISH_NAP
 #endif
 
+#define CHECK_HMI_INTERRUPT						\
+	mfspr	r0,SPRN_SRR1;						\
+BEGIN_FTR_SECTION_NESTED(66);						\
+	rlwinm	r0,r0,45-31,0xf;  /* extract wake reason field (P8) */	\
+FTR_SECTION_ELSE_NESTED(66);						\
+	rlwinm	r0,r0,45-31,0xe;  /* P7 wake reason field is 3 bits */	\
+ALT_FTR_SECTION_END_NESTED_IFSET(CPU_FTR_ARCH_207S, 66);		\
+	cmpwi	r0,0xa;			/* Hypervisor maintenance ? */	\
+	bne	20f;							\
+	/* Invoke opal call to handle hmi */				\
+	ld	r2,PACATOC(r13);					\
+	ld	r1,PACAR1(r13);						\
+	std	r3,ORIG_GPR3(r1);	/* Save original r3 */		\
+	li	r0,OPAL_HANDLE_HMI;	/* Pass opal token argument*/	\
+	bl	opal_call_realmode;					\
+	ld	r3,ORIG_GPR3(r1);	/* Restore original r3 */	\
+20:	nop;
+
 #endif	/* _ASM_POWERPC_EXCEPTION_H */
diff --git a/arch/powerpc/kernel/idle_power7.S b/arch/powerpc/kernel/idle_power7.S
index 470ceeb..6b3404b 100644
--- a/arch/powerpc/kernel/idle_power7.S
+++ b/arch/powerpc/kernel/idle_power7.S
@@ -19,6 +19,7 @@
 #include <asm/kvm_book3s_asm.h>
 #include <asm/opal.h>
 #include <asm/cpuidle.h>
+#include <asm/exception-64s.h>
 #include <asm/book3s/64/mmu-hash.h>
 
 #undef DEBUG
@@ -257,25 +258,6 @@ _GLOBAL(power7_winkle)
 	b	power7_powersave_common
 	/* No return */
 
-#define CHECK_HMI_INTERRUPT						\
-	mfspr	r0,SPRN_SRR1;						\
-BEGIN_FTR_SECTION_NESTED(66);						\
-	rlwinm	r0,r0,45-31,0xf;  /* extract wake reason field (P8) */	\
-FTR_SECTION_ELSE_NESTED(66);						\
-	rlwinm	r0,r0,45-31,0xe;  /* P7 wake reason field is 3 bits */	\
-ALT_FTR_SECTION_END_NESTED_IFSET(CPU_FTR_ARCH_207S, 66);		\
-	cmpwi	r0,0xa;			/* Hypervisor maintenance ? */	\
-	bne	20f;							\
-	/* Invoke opal call to handle hmi */				\
-	ld	r2,PACATOC(r13);					\
-	ld	r1,PACAR1(r13);						\
-	std	r3,ORIG_GPR3(r1);	/* Save original r3 */		\
-	li	r0,OPAL_HANDLE_HMI;	/* Pass opal token argument*/	\
-	bl	opal_call_realmode;					\
-	ld	r3,ORIG_GPR3(r1);	/* Restore original r3 */	\
-20:	nop;
-
-
 _GLOBAL(power7_wakeup_tb_loss)
 	ld	r2,PACATOC(r13);
 	ld	r1,PACAR1(r13)
-- 
2.1.4