linux-kernel - [PATCH v4 1/6] ARM: zynq: Extract smp related functions out of common.h

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Message-Id: <640c7f8c45fd57fe36a3d6c454e3e92b509a1e48.1415962281.git.michal.simek@xilinx.com>
Date:	Fri, 14 Nov 2014 11:52:02 +0100
From:	Michal Simek <michal.simek@...inx.com>
To:	linux-arm-kernel@...ts.infradead.org,
	Soren Brinkmann <soren.brinkmann@...inx.com>,
	Olof Johansson <olof@...om.net>, Arnd Bergmann <arnd@...db.de>
Cc:	monstr@...str.eu, Josh Cartwright <josh.cartwright@...com>,
	Steffen Trumtrar <s.trumtrar@...gutronix.de>,
	Rob Herring <robherring2@...il.com>,
	Peter Crosthwaite <peter.crosthwaite@...inx.com>,
	Russell King <linux@....linux.org.uk>,
	linux-kernel@...r.kernel.org
Subject: [PATCH v4 1/6] ARM: zynq: Extract smp related functions out of common.h

Create topic headers not to share all functions.

Signed-off-by: Michal Simek <michal.simek@...inx.com>
---

Changes in v4:
- New patch in this series

Changes in v3: None
Changes in v2: None

 arch/arm/mach-zynq/common.c  |  1 +
 arch/arm/mach-zynq/common.h  | 10 ----------
 arch/arm/mach-zynq/platsmp.c |  1 +
 arch/arm/mach-zynq/smp.h     | 30 ++++++++++++++++++++++++++++++
 4 files changed, 32 insertions(+), 10 deletions(-)
 create mode 100644 arch/arm/mach-zynq/smp.h

diff --git a/arch/arm/mach-zynq/common.c b/arch/arm/mach-zynq/common.c
index 26f92c28d22b..45cb778b344d 100644
--- a/arch/arm/mach-zynq/common.c
+++ b/arch/arm/mach-zynq/common.c
@@ -43,6 +43,7 @@
 #include <asm/hardware/cache-l2x0.h>

 #include "common.h"
+#include "smp.h"

 #define ZYNQ_DEVCFG_MCTRL		0x80
 #define ZYNQ_DEVCFG_PS_VERSION_SHIFT	28
diff --git a/arch/arm/mach-zynq/common.h b/arch/arm/mach-zynq/common.h
index 382c60e9aa16..0667cc79f179 100644
--- a/arch/arm/mach-zynq/common.h
+++ b/arch/arm/mach-zynq/common.h
@@ -17,8 +17,6 @@
 #ifndef __MACH_ZYNQ_COMMON_H__
 #define __MACH_ZYNQ_COMMON_H__

-void zynq_secondary_startup(void);
-
 extern int zynq_slcr_init(void);
 extern int zynq_early_slcr_init(void);
 extern void zynq_slcr_system_reset(void);
@@ -28,14 +26,6 @@ extern bool zynq_slcr_cpu_state_read(int cpu);
 extern void zynq_slcr_cpu_state_write(int cpu, bool die);
 extern u32 zynq_slcr_get_device_id(void);

-#ifdef CONFIG_SMP
-extern char zynq_secondary_trampoline;
-extern char zynq_secondary_trampoline_jump;
-extern char zynq_secondary_trampoline_end;
-extern int zynq_cpun_start(u32 address, int cpu);
-extern struct smp_operations zynq_smp_ops __initdata;
-#endif
-
 extern void __iomem *zynq_scu_base;

 void zynq_pm_late_init(void);
diff --git a/arch/arm/mach-zynq/platsmp.c b/arch/arm/mach-zynq/platsmp.c
index 52d768ff7857..5aa6b9ee95fc 100644
--- a/arch/arm/mach-zynq/platsmp.c
+++ b/arch/arm/mach-zynq/platsmp.c
@@ -26,6 +26,7 @@
 #include <asm/smp_scu.h>
 #include <linux/irqchip/arm-gic.h>
 #include "common.h"
+#include "smp.h"

 /*
  * Store number of cores in the system
diff --git a/arch/arm/mach-zynq/smp.h b/arch/arm/mach-zynq/smp.h
new file mode 100644
index 000000000000..0277540e352c
--- /dev/null
+++ b/arch/arm/mach-zynq/smp.h
@@ -0,0 +1,30 @@
+/*
+ * This file contains common function prototypes to avoid externs
+ * in the c files.
+ *
+ * Copyright (C) 2014 Xilinx
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __MACH_ZYNQ_SMP_H__
+#define __MACH_ZYNQ_SMP_H__
+
+void zynq_secondary_startup(void);
+
+#ifdef CONFIG_SMP
+extern char zynq_secondary_trampoline;
+extern char zynq_secondary_trampoline_jump;
+extern char zynq_secondary_trampoline_end;
+extern int zynq_cpun_start(u32 address, int cpu);
+extern struct smp_operations zynq_smp_ops __initdata;
+#endif
+
+#endif
--
1.8.2.3


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