From d59b66c7a575cfa8e01f483875d131e42b539bbc Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Sun, 17 Jun 2007 11:34:23 +0200 Subject: [PATCH] sdio: add modalias support Signed-off-by: Pierre Ossman --- 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 a3a89e973d9..c834f515088 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 8a09021d8c5..1e5d4d69319 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 */ -- 2.20.1