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authorBen Dooks <ben-linux@fluff.org>2006-06-22 22:18:13 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-06-22 22:18:13 +0100
commita341305e94982c66a2e94125a24b860605da9066 (patch)
tree762cf31353b711f9ec12482d9823fa71a6ae18b8
parent005b5e4d0c7795d2ec298c34c96cbe2c1e1902b0 (diff)
downloadop-kernel-dev-a341305e94982c66a2e94125a24b860605da9066.zip
op-kernel-dev-a341305e94982c66a2e94125a24b860605da9066.tar.gz
[ARM] 3613/1: S3C2410: Add sysdev and sysclass
Patch from Ben Dooks The S3C2440 and S3C2442 both have their own sysdev and sysclass for differentiating them from the currently default S3C2410. Add a sysdev for the S3C2410 as part of the work to make the code be non-dependant on the S3C2410. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
-rw-r--r--arch/arm/mach-s3c2410/cpu.h1
-rw-r--r--arch/arm/mach-s3c2410/s3c2410.c24
2 files changed, 24 insertions, 1 deletions
diff --git a/arch/arm/mach-s3c2410/cpu.h b/arch/arm/mach-s3c2410/cpu.h
index 4086289..21c62dc 100644
--- a/arch/arm/mach-s3c2410/cpu.h
+++ b/arch/arm/mach-s3c2410/cpu.h
@@ -73,5 +73,6 @@ extern struct sys_timer s3c24xx_timer;
/* system device classes */
+extern struct sysdev_class s3c2410_sysclass;
extern struct sysdev_class s3c2440_sysclass;
extern struct sysdev_class s3c2442_sysclass;
diff --git a/arch/arm/mach-s3c2410/s3c2410.c b/arch/arm/mach-s3c2410/s3c2410.c
index 0852e87..cb252dd 100644
--- a/arch/arm/mach-s3c2410/s3c2410.c
+++ b/arch/arm/mach-s3c2410/s3c2410.c
@@ -27,6 +27,7 @@
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
+#include <linux/sysdev.h>
#include <linux/platform_device.h>
#include <asm/mach/arch.h>
@@ -110,9 +111,30 @@ void __init s3c2410_init_clocks(int xtal)
s3c24xx_setup_clocks(xtal, fclk, hclk, pclk);
}
+struct sysdev_class s3c2410_sysclass = {
+ set_kset_name("s3c2410-core"),
+};
+
+static struct sys_device s3c2410_sysdev = {
+ .cls = &s3c2410_sysclass,
+};
+
+/* need to register class before we actually register the device, and
+ * we also need to ensure that it has been initialised before any of the
+ * drivers even try to use it (even if not on an s3c2440 based system)
+ * as a driver which may support both 2410 and 2440 may try and use it.
+*/
+
+static int __init s3c2410_core_init(void)
+{
+ return sysdev_class_register(&s3c2410_sysclass);
+}
+
+core_initcall(s3c2410_core_init);
+
int __init s3c2410_init(void)
{
printk("S3C2410: Initialising architecture\n");
- return 0;
+ return sysdev_register(&s3c2410_sysdev);
}
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