sdio: add modalias support
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index a3a89e9..c834f515 100644
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -68,7 +68,26 @@
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;
}