mei: bus: report also uuid in module alias

In order to automate modules matching add device uuid
which is reported in client enumeration, keep also
the name that is needed in for nfc distinguishing radio vendor

Report mei:name:uuid

Cc: linux-api@vger.kernel.org
Cc: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2 files changed, 17 insertions, 2 deletions

diff --git a/scripts/mod/devicetable-offsets.c b/scripts/mod/devicetable-offsets.c
index fce36d0f6898..091f6290a651 100644
--- a/scripts/mod/devicetable-offsets.c
+++ b/scripts/mod/devicetable-offsets.c
@@ -182,6 +182,7 @@ int main(void)
 
         DEVID(mei_cl_device_id);
         DEVID_FIELD(mei_cl_device_id, name);
+        DEVID_FIELD(mei_cl_device_id, uuid);
 
         DEVID(rio_device_id);
         DEVID_FIELD(rio_device_id, did);
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 78691d51a479..62c517f4b592 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -131,6 +131,15 @@ static inline void add_wildcard(char *str)
                 strcat(str + len, "*");
 }
 
+static inline void add_uuid(char *str, __u8 uuid[16])
+{
+        int len = strlen(str);
+        int i;
+
+        for (i = 0; i < 16; i++)
+                sprintf(str + len + (i << 1), "%02x", uuid[i]);
+}
+
 /**
  * Check that sizeof(device_id type) are consistent with size of section
  * in .o file. If in-consistent then userspace and kernel does not agree
@@ -1160,13 +1169,18 @@ static int do_cpu_entry(const char *filename, void *symval, char *alias)
 }
 ADD_TO_DEVTABLE("cpu", cpu_feature, do_cpu_entry);
 
-/* Looks like: mei:S */
+/* Looks like: mei:S:uuid */
 static int do_mei_entry(const char *filename, void *symval,
                         char *alias)
 {
         DEF_FIELD_ADDR(symval, mei_cl_device_id, name);
+        DEF_FIELD_ADDR(symval, mei_cl_device_id, uuid);
+
+        sprintf(alias, MEI_CL_MODULE_PREFIX);
+        sprintf(alias + strlen(alias), "%s:",  (*name)[0]  ? *name : "*");
+        add_uuid(alias, *uuid);
 
-        sprintf(alias, MEI_CL_MODULE_PREFIX "%s", *name);
+        strcat(alias, ":*");
 
         return 1;
 }