diff options
| author | Greg Kroah-Hartman <gregkh@suse.de> | 2005-10-22 00:23:27 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-10-28 14:02:15 -0700 |
| commit | a9d1b24d91f91b77db3da8aeacb414764f789b9c (patch) | |
| tree | a7400c6154b7e5b6839b3c25fecc2daac75c4a2b | |
| parent | 0dc9a32d9a975ccd25b9f531451165c93e1c7313 (diff) | |
[PATCH] I2C: add i2c module alias for i2c drivers to use
This is the start of adding hotplug-like support for i2c devices.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | include/linux/i2c.h | 1 | ||||
| -rw-r--r-- | include/linux/mod_devicetable.h | 5 | ||||
| -rw-r--r-- | scripts/mod/file2alias.c | 10 |
3 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 32977fb1d99..f88577ca3b3 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -29,6 +29,7 @@ #include <linux/module.h> #include <linux/types.h> #include <linux/i2c-id.h> +#include <linux/mod_devicetable.h> #include <linux/device.h> /* for struct device */ #include <asm/semaphore.h> diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index 2f0299a448f..7b08c11ec4c 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -244,4 +244,9 @@ struct pcmcia_device_id { #define PCMCIA_DEV_ID_MATCH_FAKE_CIS 0x0200 #define PCMCIA_DEV_ID_MATCH_ANONYMOUS 0x0400 +/* I2C */ +struct i2c_device_id { + __u16 id; +}; + #endif /* LINUX_MOD_DEVICETABLE_H */ diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index f2ee673329a..e3d144a3f10 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -359,6 +359,13 @@ static int do_vio_entry(const char *filename, struct vio_device_id *vio, return 1; } +static int do_i2c_entry(const char *filename, struct i2c_device_id *i2c, char *alias) +{ + strcpy(alias, "i2c:"); + ADD(alias, "id", 1, i2c->id); + return 1; +} + /* Ignore any prefix, eg. v850 prepends _ */ static inline int sym_is(const char *symbol, const char *name) { @@ -443,6 +450,9 @@ void handle_moddevtable(struct module *mod, struct elf_info *info, else if (sym_is(symname, "__mod_vio_device_table")) do_table(symval, sym->st_size, sizeof(struct vio_device_id), do_vio_entry, mod); + else if (sym_is(symname, "__mod_i2c_device_table")) + do_table(symval, sym->st_size, sizeof(struct i2c_device_id), + do_i2c_entry, mod); } |