sdio: add modalias support
Pierre Ossman [Sun, 17 Jun 2007 09:34:23 +0000 (11:34 +0200)]
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

drivers/mmc/core/sdio_bus.c
scripts/mod/file2alias.c

index a3a89e9..c834f51 100644 (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;
 }
index 8a09021..1e5d4d6 100644 (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 */