ARM: SAMSUNG: Move HWMON from plat-s3c24xx to plat-samsung

Move HWMON platform definition from plat-s3c24xx to plat-samsung
and adjust mach-bast to use the new s3c_hwmon_set_platdata().
This allows usage of dev-hwmon by other Samsung SoCs.

Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

7 files changed, 60 insertions, 9 deletions

diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig
index 554731868b07..ca5c3c62f37b 100644
--- a/arch/arm/mach-s3c2410/Kconfig
+++ b/arch/arm/mach-s3c2410/Kconfig
@@ -110,6 +110,7 @@ config ARCH_BAST
         select MACH_BAST_IDE
         select S3C24XX_DCLK
         select ISA
+        select S3C_DEV_HWMON
         select S3C_DEV_USB_HOST
         select S3C_DEV_NAND
         help
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
index 02b1b6220cba..c8786df72b9e 100644
--- a/arch/arm/mach-s3c2410/mach-bast.c
+++ b/arch/arm/mach-s3c2410/mach-bast.c
@@ -634,7 +634,7 @@ static void __init bast_map_io(void)
 
         s3c24xx_register_clocks(bast_clocks, ARRAY_SIZE(bast_clocks));
 
-        s3c_device_hwmon.dev.platform_data = &bast_hwmon_info;
+        s3c_hwmon_set_platdata(&bast_hwmon_info);
 
         s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc));
         s3c24xx_init_clocks(0);
diff --git a/arch/arm/plat-s3c24xx/devs.c b/arch/arm/plat-s3c24xx/devs.c
index 9265f09bfa58..3166f320fd65 100644
--- a/arch/arm/plat-s3c24xx/devs.c
+++ b/arch/arm/plat-s3c24xx/devs.c
@@ -338,14 +338,6 @@ struct platform_device s3c_device_adc = {
         .resource         = s3c_adc_resource,
 };
 
-/* HWMON */
-
-struct platform_device s3c_device_hwmon = {
-        .name           = "s3c-hwmon",
-        .id             = -1,
-        .dev.parent     = &s3c_device_adc.dev,
-};
-
 /* SDI */
 
 static struct resource s3c_sdi_resource[] = {
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index d552c65fa1b0..7a36cf85e138 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -160,6 +160,11 @@ config S3C_DEV_HSMMC2
         help
           Compile in platform device definitions for HSMMC channel 2
 
+config S3C_DEV_HWMON
+        bool
+        help
+            Compile in platform device definitions for HWMON
+
 config S3C_DEV_I2C1
         bool
         help
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index 22c89d08f6e5..0ad820acc385 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -33,6 +33,7 @@ obj-$(CONFIG_S3C_ADC)	+= adc.o
 obj-$(CONFIG_S3C_DEV_HSMMC)     += dev-hsmmc.o
 obj-$(CONFIG_S3C_DEV_HSMMC1)    += dev-hsmmc1.o
 obj-$(CONFIG_S3C_DEV_HSMMC2)    += dev-hsmmc2.o
+obj-$(CONFIG_S3C_DEV_HWMON)     += dev-hwmon.o
 obj-y                           += dev-i2c0.o
 obj-$(CONFIG_S3C_DEV_I2C1)      += dev-i2c1.o
 obj-$(CONFIG_S3C_DEV_FB)        += dev-fb.o
diff --git a/arch/arm/plat-samsung/dev-hwmon.c b/arch/arm/plat-samsung/dev-hwmon.c
new file mode 100644
index 000000000000..b3ffb9587250
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-hwmon.c
@@ -0,0 +1,42 @@
+/* linux/arch/arm/plat-samsung/dev-hwmon.c
+ *
+ * Copyright 2008 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *      http://armlinux.simtec.co.uk/
+ *
+ * Adapted for HWMON by Maurus Cuelenaere
+ *
+ * Samsung series device definition for HWMON
+ *
+ * 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/kernel.h>
+#include <linux/platform_device.h>
+
+#include <plat/devs.h>
+#include <plat/hwmon.h>
+
+struct platform_device s3c_device_hwmon = {
+        .name           = "s3c-hwmon",
+        .id             = -1,
+        .dev.parent     = &s3c_device_adc.dev,
+};
+
+void __init s3c_hwmon_set_platdata(struct s3c_hwmon_pdata *pd)
+{
+        struct s3c_hwmon_pdata *npd;
+
+        if (!pd) {
+                printk(KERN_ERR "%s: no platform data\n", __func__);
+                return;
+        }
+
+        npd = kmemdup(pd, sizeof(struct s3c_hwmon_pdata), GFP_KERNEL);
+        if (!npd)
+                printk(KERN_ERR "%s: no memory for platform data\n", __func__);
+
+        s3c_device_hwmon.dev.platform_data = npd;
+}
diff --git a/arch/arm/plat-samsung/include/plat/hwmon.h b/arch/arm/plat-samsung/include/plat/hwmon.h
index 1ba88ea0aa31..c167e4429bc7 100644
--- a/arch/arm/plat-samsung/include/plat/hwmon.h
+++ b/arch/arm/plat-samsung/include/plat/hwmon.h
@@ -37,5 +37,15 @@ struct s3c_hwmon_pdata {
         struct s3c_hwmon_chcfg  *in[8];
 };
 
+/**
+ * s3c_hwmon_set_platdata - Set platform data for S3C HWMON device
+ * @pd: Platform data to register to device.
+ *
+ * Register the given platform data for use with the S3C HWMON device.
+ * The call will copy the platform data, so the board definitions can
+ * make the structure itself __initdata.
+ */
+extern void __init s3c_hwmon_set_platdata(struct s3c_hwmon_pdata *pd);
+
 #endif /* __ASM_ARCH_ADC_HWMON_H */