From mboxrd@z Thu Jan 1 00:00:00 1970 From: gregkh@suse.de (Greg KH) Date: Sat, 29 Oct 2005 01:19:02 +0000 Subject: [lm-sensors] [PATCH] I2C: add i2c module alias for i2c drivers to Message-Id: <1130533664960@kroah.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lm-sensors@vger.kernel.org [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 --- commit a9d1b24d91f91b77db3da8aeacb414764f789b9c tree a7400c6154b7e5b6839b3c25fecc2daac75c4a2b parent 0dc9a32d9a975ccd25b9f531451165c93e1c7313 author Greg Kroah-Hartman Sat, 22 Oct 2005 00:23:27 +0200 committer Greg Kroah-Hartman Fri, 28 Oct 2005 14:02:15 -0700 include/linux/i2c.h | 1 + include/linux/mod_devicetable.h | 5 +++++ 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 32977fb..f88577c 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -29,6 +29,7 @@ #include #include #include +#include #include /* for struct device */ #include diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index 2f0299a..7b08c11 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 f2ee673..e3d144a 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -359,6 +359,13 @@ static int do_vio_entry(const char *file 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 *m 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); }