rework device parameters

Change device parameters so that the memory management is in generic
code. This also removes the need of storing statically initialized
parameters as they are stored in a struct list_head for each device.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

5 files changed, 15 insertions, 16 deletions

diff --git a/include/console.h b/include/console.h
index 3568c562a8..3bcc5dbbc0 100644
--- a/include/console.h
+++ b/include/console.h
@@ -46,12 +46,6 @@ struct console_device {
 
 	unsigned char f_caps;
 	unsigned char f_active;
-
-	struct param_d baudrate_param;
-	char baudrate_string[8];
-
-	struct param_d active_param;
-	char active[4];
 };
 
 int console_register(struct console_device *cdev);
diff --git a/include/driver.h b/include/driver.h
index 1dde38e021..6950c02047 100644
--- a/include/driver.h
+++ b/include/driver.h
@@ -98,7 +98,7 @@ struct device_d {
 
 	/*! The parameters for this device. This is used to carry information
 	 * of board specific data from the board code to the device driver. */
-	struct param_d *param;
+	struct list_head parameters;
 
 	struct list_head cdevs;
 };
diff --git a/include/fb.h b/include/fb.h
index f213c420d4..218500b985 100644
--- a/include/fb.h
+++ b/include/fb.h
@@ -80,8 +80,6 @@ struct fb_info {
 
 	struct fb_ops *fbops;
 	struct device_d dev;		/* This is this fb device */
-	struct param_d param_enable;
-	char enable_string[1];
 
 	void *screen_base;
 
diff --git a/include/net.h b/include/net.h
index a2863d0829..15106a7826 100644
--- a/include/net.h
+++ b/include/net.h
@@ -41,12 +41,6 @@ struct eth_device {
 	struct eth_device *next;
 	void *priv;
 
-	struct param_d param_ip;
-	struct param_d param_netmask;
-	struct param_d param_gateway;
-	struct param_d param_serverip;
-	struct param_d param_ethaddr;
-
 	struct device_d dev;
 
 	struct list_head list;
diff --git a/include/param.h b/include/param.h
index fe4468ed2c..207ad5016a 100644
--- a/include/param.h
+++ b/include/param.h
@@ -2,6 +2,7 @@
 #define PARAM_H
 
 #include <linux/types.h>
+#include <linux/list.h>
 
 #define PARAM_FLAG_RO	(1 << 0)
 
@@ -15,12 +16,24 @@ struct param_d {
 	char *name;
 	struct param_d *next;
 	char *value;
+	struct list_head list;
 };
 
 const char *dev_get_param(struct device_d *dev, const char *name);
 int dev_set_param(struct device_d *dev, const char *name, const char *val);
 struct param_d *get_param_by_name(struct device_d *dev, const char *name);
-int dev_add_param(struct device_d *dev, struct param_d *par);
+
+int dev_add_param(struct device_d *dev, char *name,
+		int (*set)(struct device_d *dev, struct param_d *p, const char *val),
+		char *(*get)(struct device_d *, struct param_d *p),
+		unsigned long flags);
+
+int dev_add_param_fixed(struct device_d *dev, char *name, char *value);
+
+void dev_remove_parameters(struct device_d *dev);
+
+int dev_param_set_generic(struct device_d *dev, struct param_d *p,
+		const char *val);
 
 /* Convenience functions to handle a parameter as an ip address */
 int dev_set_param_ip(struct device_d *dev, char *name, IPaddr_t ip);