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Message-ID: <9e4733910712171839h214e0bc3q179266c86e5987b1@mail.gmail.com>
Date: Mon, 17 Dec 2007 21:39:37 -0500
From: "Jon Smirl" <jonsmirl@...il.com>
To: i2c@...sensors.org, linuxppc-dev@...abs.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] update module-init-tools to support the i2c subsystem
Follow on to: "Series to add device tree naming to i2c"
Teach module-init-tools about the i2c subsystem.
diff --git a/depmod.c b/depmod.c
index 0281c79..209eb0c 100644
--- a/depmod.c
+++ b/depmod.c
@@ -793,6 +793,7 @@ static struct depfile depfiles[] = {
{ "modules.inputmap", output_input_table },
{ "modules.ofmap", output_of_table },
{ "modules.seriomap", output_serio_table },
+ { "modules.i2cmap", output_i2c_table },
{ "modules.alias", output_aliases },
{ "modules.symbols", output_symbols },
};
diff --git a/depmod.h b/depmod.h
index 6cea36e..1040214 100644
--- a/depmod.h
+++ b/depmod.h
@@ -55,6 +55,8 @@ struct module
unsigned int input_table_size;
unsigned int serio_size;
void *serio_table;
+ unsigned int i2c_size;
+ void *i2c_table;
unsigned int of_size;
void *of_table;
diff --git a/moduleops_core.c b/moduleops_core.c
index 56c85d3..a7ca350 100644
--- a/moduleops_core.c
+++ b/moduleops_core.c
@@ -230,6 +230,11 @@ static void PERBIT(fetch_tables)(struct module *module)
"__mod_serio_device_table",
NULL, module->conv);
+ module->i2c_size = PERBIT(I2C_DEVICE_SIZE);
+ module->i2c_table = PERBIT(deref_sym)(module->data,
+ "__mod_i2c_device_table",
+ NULL, module->conv);
+
module->of_size = PERBIT(OF_DEVICE_SIZE);
module->of_table = PERBIT(deref_sym)(module->data,
"__mod_of_device_table",
diff --git a/tables.c b/tables.c
index 6dfd165..82e162d 100644
--- a/tables.c
+++ b/tables.c
@@ -496,6 +496,35 @@ void output_serio_table(struct module *modules, FILE *out)
}
+static void output_i2c_entry(struct i2c_device_id *i2c, char *name, FILE *out)
+{
+ fprintf(out,
+ "%-20s %-20s\n",
+ name,
+ i2c->name);
+}
+
+
+void output_i2c_table(struct module *modules, FILE *out)
+{
+ struct module *i;
+
+ fprintf(out, "# i2c module name\n");
+
+ for (i = modules; i; i = i->next) {
+ struct i2c_device_id *e;
+ char shortname[strlen(i->pathname) + 1];
+
+ if (!i->i2c_table)
+ continue;
+
+ make_shortname(shortname, i->pathname);
+ for (e = i->i2c_table; e->name[0]; e = (void *)e + i->i2c_size)
+ output_i2c_entry(e, shortname, out);
+ }
+}
+
+
static void
strip_whitespace (char *str, char chr)
{
diff --git a/tables.h b/tables.h
index e5f6f35..263369d 100644
--- a/tables.h
+++ b/tables.h
@@ -164,6 +164,12 @@ struct serio_device_id {
#define SERIO_DEVICE_SIZE32 (4 * 1)
#define SERIO_DEVICE_SIZE64 (4 * 1 + 4)
+struct i2c_device_id {
+ char name[48];
+};
+#define I2C_DEVICE_SIZE32 (48 + 4)
+#define I2C_DEVICE_SIZE64 (48 + 8)
+
struct of_device_id {
char name[32];
char type[32];
@@ -182,6 +188,7 @@ void output_ccw_table(struct module *modules, FILE *out);
void output_isapnp_table(struct module *modules, FILE *out);
void output_input_table(struct module *modules, FILE *out);
void output_serio_table(struct module *modules, FILE *out);
+void output_i2c_table(struct module *modules, FILE *out);
void output_of_table(struct module *modules, FILE *out);
#endif /* MODINITTOOLS_TABLES_H */
--
Jon Smirl
jonsmirl@...il.com
--
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