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sdio: add modalias support 

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
This commit is contained in:
Pierre Ossman 2007-06-17 11:34:23 +02:00
parent 9eb3a94d02
commit d59b66c7a5
2 changed files with 40 additions and 1 deletions
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21
drivers/mmc/core/sdio_bus.c
View File

@ -68,7 +68,26 @@ static int
sdio_bus_uevent(struct device *dev, char **envp, int num_envp, char *buf,
int buf_size)
{
envp[0] = NULL;
struct sdio_func *func = dev_to_sdio_func(dev);
int i = 0, length = 0;
if (add_uevent_var(envp, num_envp, &i,
buf, buf_size, &length,
"SDIO_CLASS=%02X", func->class))
return -ENOMEM;
if (add_uevent_var(envp, num_envp, &i,
buf, buf_size, &length,
"SDIO_ID=%04X:%04X", func->vendor, func->device))
return -ENOMEM;
if (add_uevent_var(envp, num_envp, &i,
buf, buf_size, &length,
"MODALIAS=sdio:c%02Xv%04Xd%04X",
func->class, func->vendor, func->device))
return -ENOMEM;
envp[i] = NULL;
return 0;
}

20
scripts/mod/file2alias.c
View File

@ -484,6 +484,22 @@ static int do_parisc_entry(const char *filename, struct parisc_device_id *id,
return 1;
}
/* Looks like: sdio:cNvNdN. */
static int do_sdio_entry(const char *filename,
struct sdio_device_id *id, char *alias)
{
id->class = TO_NATIVE(id->class);
id->vendor = TO_NATIVE(id->vendor);
id->device = TO_NATIVE(id->device);
strcpy(alias, "sdio:");
ADD(alias, "c", id->class != (__u8)SDIO_ANY_ID, id->class);
ADD(alias, "v", id->vendor != (__u16)SDIO_ANY_ID, id->vendor);
ADD(alias, "d", id->device != (__u16)SDIO_ANY_ID, id->device);
return 1;
}
/* Ignore any prefix, eg. v850 prepends _ */
static inline int sym_is(const char *symbol, const char *name)
{
@ -599,6 +615,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
do_table(symval, sym->st_size,
sizeof(struct parisc_device_id), "parisc",
do_parisc_entry, mod);
else if (sym_is(symname, "__mod_sdio_device_table"))
do_table(symval, sym->st_size,
sizeof(struct sdio_device_id), "sdio",
do_sdio_entry, mod);
}
/* Now add out buffered information to the generated C source */