ipmi_si: Consolidate scanning the platform bus

The same basic code was in two places.
Signed-off-by: Corey Minyard <cminyard@mvista.com>

drivers/char/ipmi/ipmi_si.h

@@ -29,6 +29,7 @@ void ipmi_si_hotmod_exit(void);
 int ipmi_si_hardcode_match(int addr_space, unsigned long addr);
 void ipmi_si_platform_init(void);
 void ipmi_si_platform_shutdown(void);
+void ipmi_remove_platform_device_by_name(char *name);
 
 extern struct platform_driver ipmi_platform_driver;
 

drivers/char/ipmi/ipmi_si_hardcode.c

@@ -144,23 +144,9 @@ void __init ipmi_hardcode_init(void)
 }
 
 
-static int pdev_match_name(struct device *dev, void *data)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-
-	return strcmp(pdev->name, "hardcode-ipmi-si") == 0;
-}
-
 void ipmi_si_hardcode_exit(void)
 {
-	struct device *dev;
-
-	while ((dev = bus_find_device(&platform_bus_type, NULL, NULL,
-				      pdev_match_name))) {
-		struct platform_device *pdev = to_platform_device(dev);
-
-		platform_device_unregister(pdev);
-	}
+	ipmi_remove_platform_device_by_name("hardcode-ipmi-si");
 }
 
 /*

drivers/char/ipmi/ipmi_si_hotmod.c

@@ -239,21 +239,7 @@ static int hotmod_handler(const char *val, const struct kernel_param *kp)
 	return rv;
 }
 
-static int pdev_match_name(struct device *dev, void *data)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-
-	return strcmp(pdev->name, "hotmod-ipmi-si") == 0;
-}
-
 void ipmi_si_hotmod_exit(void)
 {
-	struct device *dev;
-
-	while ((dev = bus_find_device(&platform_bus_type, NULL, NULL,
-				      pdev_match_name))) {
-		struct platform_device *pdev = to_platform_device(dev);
-
-		platform_device_unregister(pdev);
-	}
+	ipmi_remove_platform_device_by_name("hotmod-ipmi-si");
 }

drivers/char/ipmi/ipmi_si_platform.c

@@ -428,6 +428,26 @@ static int ipmi_remove(struct platform_device *pdev)
 	return ipmi_si_remove_by_dev(&pdev->dev);
 }
 
+static int pdev_match_name(struct device *dev, void *data)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	const char *name = data;
+
+	return strcmp(pdev->name, name) == 0;
+}
+
+void ipmi_remove_platform_device_by_name(char *name)
+{
+	struct device *dev;
+
+	while ((dev = bus_find_device(&platform_bus_type, NULL, name,
+				      pdev_match_name))) {
+		struct platform_device *pdev = to_platform_device(dev);
+
+		platform_device_unregister(pdev);
+	}
+}
+
 static const struct platform_device_id si_plat_ids[] = {
 	{ "dmi-ipmi-si", 0 },
 	{ "hardcode-ipmi-si", 0 },