From d59b66c7a575cfa8e01f483875d131e42b539bbc Mon Sep 17 00:00:00 2001
From: Pierre Ossman <drzeus@drzeus.cx>
Date: Sun, 17 Jun 2007 11:34:23 +0200
Subject: [PATCH] sdio: add modalias support
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
---
drivers/mmc/core/sdio_bus.c | 21 ++++++++++++++++++++-
scripts/mod/file2alias.c | 20 ++++++++++++++++++++
2 files changed, 40 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index a3a89e973d940..c834f51508884 100644
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -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;
}
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 8a09021d8c59a..1e5d4d6931955 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -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 */
--
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