ARM: Realview/Versatile/Integrator: separate out common clock code

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

19 files changed, 33 insertions, 181 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 3c436fdbe2a0..e8265f257674 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -243,6 +243,7 @@ config ARCH_INTEGRATOR
         select ICST
         select GENERIC_TIME
         select GENERIC_CLOCKEVENTS
+        select PLAT_VERSATILE
         help
           Support for ARM's Integrator platform.
 
@@ -255,6 +256,7 @@ config ARCH_REALVIEW
         select GENERIC_TIME
         select GENERIC_CLOCKEVENTS
         select ARCH_WANT_OPTIONAL_GPIOLIB
+        select PLAT_VERSATILE
         help
           This enables support for ARM Ltd RealView boards.
 
@@ -268,6 +270,7 @@ config ARCH_VERSATILE
         select GENERIC_TIME
         select GENERIC_CLOCKEVENTS
         select ARCH_WANT_OPTIONAL_GPIOLIB
+        select PLAT_VERSATILE
         help
           This enables support for ARM Ltd Versatile board.
 
@@ -938,6 +941,9 @@ config PLAT_ORION
 config PLAT_PXA
         bool
 
+config PLAT_VERSATILE
+        bool
+
 source arch/arm/mm/Kconfig
 
 config IWMMXT
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index ed820e737a8a..1962deb90730 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -192,6 +192,7 @@ plat-$(CONFIG_PLAT_PXA)		:= pxa
 plat-$(CONFIG_PLAT_S3C24XX)     := s3c24xx samsung
 plat-$(CONFIG_PLAT_S5PC1XX)     := s5pc1xx samsung
 plat-$(CONFIG_PLAT_S5P)         := s5p samsung
+plat-$(CONFIG_PLAT_VERSATILE)   := versatile
 
 ifeq ($(CONFIG_ARCH_EBSA110),y)
 # This is what happens if you forget the IOCS16 line.
diff --git a/arch/arm/mach-integrator/Makefile b/arch/arm/mach-integrator/Makefile
index 6a5ef8d30b10..ebeef966e1f5 100644
--- a/arch/arm/mach-integrator/Makefile
+++ b/arch/arm/mach-integrator/Makefile
@@ -4,7 +4,7 @@
 
 # Object file lists.
 
-obj-y                                   := clock.o core.o lm.o
+obj-y                                   := core.o lm.o
 obj-$(CONFIG_ARCH_INTEGRATOR_AP)        += integrator_ap.o
 obj-$(CONFIG_ARCH_INTEGRATOR_CP)        += integrator_cp.o
 
diff --git a/arch/arm/mach-realview/Makefile b/arch/arm/mach-realview/Makefile
index e704edb733c0..a01b76b7c956 100644
--- a/arch/arm/mach-realview/Makefile
+++ b/arch/arm/mach-realview/Makefile
@@ -2,7 +2,7 @@
 # Makefile for the linux kernel.
 #
 
-obj-y                                   := core.o clock.o
+obj-y                                   := core.o
 obj-$(CONFIG_MACH_REALVIEW_EB)          += realview_eb.o
 obj-$(CONFIG_MACH_REALVIEW_PB11MP)      += realview_pb11mp.o
 obj-$(CONFIG_MACH_REALVIEW_PB1176)      += realview_pb1176.o
diff --git a/arch/arm/mach-realview/clock.c b/arch/arm/mach-realview/clock.c
deleted file mode 100644
index 18c545921e41..000000000000
--- a/arch/arm/mach-realview/clock.c
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- *  linux/arch/arm/mach-realview/clock.c
- *
- *  Copyright (C) 2004 ARM Limited.
- *  Written by Deep Blue Solutions Limited.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/device.h>
-#include <linux/list.h>
-#include <linux/errno.h>
-#include <linux/err.h>
-#include <linux/string.h>
-#include <linux/clk.h>
-#include <linux/mutex.h>
-
-#include <asm/hardware/icst.h>
-
-#include "clock.h"
-
-int clk_enable(struct clk *clk)
-{
-        return 0;
-}
-EXPORT_SYMBOL(clk_enable);
-
-void clk_disable(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_disable);
-
-unsigned long clk_get_rate(struct clk *clk)
-{
-        return clk->rate;
-}
-EXPORT_SYMBOL(clk_get_rate);
-
-long clk_round_rate(struct clk *clk, unsigned long rate)
-{
-        struct icst_vco vco;
-        vco = icst_hz_to_vco(clk->params, rate);
-        return icst_hz(clk->params, vco);
-}
-EXPORT_SYMBOL(clk_round_rate);
-
-int clk_set_rate(struct clk *clk, unsigned long rate)
-{
-        int ret = -EIO;
-
-        if (clk->setvco) {
-                struct icst_vco vco;
-
-                vco = icst_hz_to_vco(clk->params, rate);
-                clk->rate = icst_hz(clk->params, vco);
-                clk->setvco(clk, vco);
-                ret = 0;
-        }
-        return ret;
-}
-EXPORT_SYMBOL(clk_set_rate);
diff --git a/arch/arm/mach-realview/clock.h b/arch/arm/mach-realview/clock.h
deleted file mode 100644
index fa64c854258d..000000000000
--- a/arch/arm/mach-realview/clock.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- *  linux/arch/arm/mach-realview/clock.h
- *
- *  Copyright (C) 2004 ARM Limited.
- *  Written by Deep Blue Solutions Limited.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <asm/hardware/icst.h>
-
-struct module;
-
-struct clk {
-        unsigned long           rate;
-        const struct icst_params *params;
-        void                    *data;
-        void                    (*setvco)(struct clk *, struct icst_vco vco);
-};
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c
index a8c215a406a2..17eb7eb780d8 100644
--- a/arch/arm/mach-realview/core.c
+++ b/arch/arm/mach-realview/core.c
@@ -48,11 +48,11 @@
 
 #include <asm/hardware/gic.h>
 
+#include <mach/clkdev.h>
 #include <mach/platform.h>
 #include <mach/irqs.h>
 
 #include "core.h"
-#include "clock.h"
 
 #define REALVIEW_REFCOUNTER     (__io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_24MHz_OFFSET)
 
diff --git a/arch/arm/mach-realview/include/mach/clkdev.h b/arch/arm/mach-realview/include/mach/clkdev.h
index 04b37a89801c..fefe4671255c 100644
--- a/arch/arm/mach-realview/include/mach/clkdev.h
+++ b/arch/arm/mach-realview/include/mach/clkdev.h
@@ -1,6 +1,15 @@
 #ifndef __ASM_MACH_CLKDEV_H
 #define __ASM_MACH_CLKDEV_H
 
+#include <asm/hardware/icst.h>
+
+struct clk {
+        unsigned long           rate;
+        const struct icst_params *params;
+        u32                     oscoff;
+        void                    (*setvco)(struct clk *, struct icst_vco vco);
+};
+
 #define __clk_get(clk) ({ 1; })
 #define __clk_put(clk) do { } while (0)
 
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
index 39d953c89d9a..006765fd204c 100644
--- a/arch/arm/mach-realview/realview_eb.c
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -43,7 +43,6 @@
 #include <mach/irqs.h>
 
 #include "core.h"
-#include "clock.h"
 
 static struct map_desc realview_eb_io_desc[] __initdata = {
         {
diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c
index a93aac5f473e..217f7c19551e 100644
--- a/arch/arm/mach-realview/realview_pb1176.c
+++ b/arch/arm/mach-realview/realview_pb1176.c
@@ -43,7 +43,6 @@
 #include <mach/irqs.h>
 
 #include "core.h"
-#include "clock.h"
 
 static struct map_desc realview_pb1176_io_desc[] __initdata = {
         {
diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c
index c7c656e235cc..9ef2ecc3c098 100644
--- a/arch/arm/mach-realview/realview_pb11mp.c
+++ b/arch/arm/mach-realview/realview_pb11mp.c
@@ -44,7 +44,6 @@
 #include <mach/irqs.h>
 
 #include "core.h"
-#include "clock.h"
 
 static struct map_desc realview_pb11mp_io_desc[] __initdata = {
         {
diff --git a/arch/arm/mach-realview/realview_pba8.c b/arch/arm/mach-realview/realview_pba8.c
index 3e3aaa3a2bc0..2fab3a6d566b 100644
--- a/arch/arm/mach-realview/realview_pba8.c
+++ b/arch/arm/mach-realview/realview_pba8.c
@@ -41,7 +41,6 @@
 #include <mach/irqs.h>
 
 #include "core.h"
-#include "clock.h"
 
 static struct map_desc realview_pba8_io_desc[] __initdata = {
         {
diff --git a/arch/arm/mach-versatile/Makefile b/arch/arm/mach-versatile/Makefile
index ba81e70ed813..97cf4d831b0c 100644
--- a/arch/arm/mach-versatile/Makefile
+++ b/arch/arm/mach-versatile/Makefile
@@ -2,7 +2,7 @@
 # Makefile for the linux kernel.
 #
 
-obj-y                                   := core.o clock.o
+obj-y                                   := core.o
 obj-$(CONFIG_ARCH_VERSATILE_PB)         += versatile_pb.o
 obj-$(CONFIG_MACH_VERSATILE_AB)         += versatile_ab.o
 obj-$(CONFIG_PCI)                       += pci.o
diff --git a/arch/arm/mach-versatile/clock.c b/arch/arm/mach-versatile/clock.c
deleted file mode 100644
index adc67d771c78..000000000000
--- a/arch/arm/mach-versatile/clock.c
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- *  linux/arch/arm/mach-versatile/clock.c
- *
- *  Copyright (C) 2004 ARM Limited.
- *  Written by Deep Blue Solutions Limited.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/device.h>
-#include <linux/list.h>
-#include <linux/errno.h>
-#include <linux/err.h>
-#include <linux/string.h>
-#include <linux/clk.h>
-#include <linux/mutex.h>
-
-#include <asm/clkdev.h>
-#include <asm/hardware/icst.h>
-
-#include "clock.h"
-
-int clk_enable(struct clk *clk)
-{
-        return 0;
-}
-EXPORT_SYMBOL(clk_enable);
-
-void clk_disable(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_disable);
-
-unsigned long clk_get_rate(struct clk *clk)
-{
-        return clk->rate;
-}
-EXPORT_SYMBOL(clk_get_rate);
-
-long clk_round_rate(struct clk *clk, unsigned long rate)
-{
-        struct icst_vco vco;
-        vco = icst_hz_to_vco(clk->params, rate);
-        return icst_hz(clk->params, vco);
-}
-EXPORT_SYMBOL(clk_round_rate);
-
-int clk_set_rate(struct clk *clk, unsigned long rate)
-{
-        int ret = -EIO;
-
-        if (clk->setvco) {
-                struct icst_vco vco;
-
-                vco = icst_hz_to_vco(clk->params, rate);
-                clk->rate = icst_hz(clk->params, vco);
-                clk->setvco(clk, vco);
-                ret = 0;
-        }
-        return ret;
-}
-EXPORT_SYMBOL(clk_set_rate);
diff --git a/arch/arm/mach-versatile/clock.h b/arch/arm/mach-versatile/clock.h
deleted file mode 100644
index aed7e22d102b..000000000000
--- a/arch/arm/mach-versatile/clock.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- *  linux/arch/arm/mach-versatile/clock.h
- *
- *  Copyright (C) 2004 ARM Limited.
- *  Written by Deep Blue Solutions Limited.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <asm/hardware/icst.h>
-
-struct module;
-
-struct clk {
-        unsigned long           rate;
-        const struct icst_params *params;
-        u32                     oscoff;
-        void                    *data;
-        void                    (*setvco)(struct clk *, struct icst_vco vco);
-};
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index 3c67691d4e72..e9d255f33674 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -47,11 +47,11 @@
 #include <asm/mach/irq.h>
 #include <asm/mach/time.h>
 #include <asm/mach/map.h>
+#include <mach/clkdev.h>
 #include <mach/hardware.h>
 #include <mach/platform.h>
 
 #include "core.h"
-#include "clock.h"
 
 /*
  * All IO addresses are mapped onto VA 0xFFFx.xxxx, where x.xxxx
diff --git a/arch/arm/mach-versatile/include/mach/clkdev.h b/arch/arm/mach-versatile/include/mach/clkdev.h
index 04b37a89801c..fefe4671255c 100644
--- a/arch/arm/mach-versatile/include/mach/clkdev.h
+++ b/arch/arm/mach-versatile/include/mach/clkdev.h
@@ -1,6 +1,15 @@
 #ifndef __ASM_MACH_CLKDEV_H
 #define __ASM_MACH_CLKDEV_H
 
+#include <asm/hardware/icst.h>
+
+struct clk {
+        unsigned long           rate;
+        const struct icst_params *params;
+        u32                     oscoff;
+        void                    (*setvco)(struct clk *, struct icst_vco vco);
+};
+
 #define __clk_get(clk) ({ 1; })
 #define __clk_put(clk) do { } while (0)
 
diff --git a/arch/arm/plat-versatile/Makefile b/arch/arm/plat-versatile/Makefile
new file mode 100644
index 000000000000..2228fd1725ac
--- /dev/null
+++ b/arch/arm/plat-versatile/Makefile
@@ -0,0 +1 @@
+obj-y   := clock.o
diff --git a/arch/arm/mach-integrator/clock.c b/arch/arm/plat-versatile/clock.c
index 52fc294eac74..2fa34de92325 100644
--- a/arch/arm/mach-integrator/clock.c
+++ b/arch/arm/plat-versatile/clock.c
@@ -1,5 +1,5 @@
 /*
- *  linux/arch/arm/mach-integrator/clock.c
+ *  linux/arch/arm/plat-versatile/clock.c
  *
  *  Copyright (C) 2004 ARM Limited.
  *  Written by Deep Blue Solutions Limited.
@@ -15,7 +15,7 @@
 #include <linux/mutex.h>
 
 #include <asm/hardware/icst.h>
-#include <asm/clkdev.h>
+
 #include <mach/clkdev.h>
 
 int clk_enable(struct clk *clk)