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authorThomas Weißschuh <linux@weissschuh.net>2021-10-29 17:28:56 +0200
committerJiri Kosina <jkosina@suse.cz>2021-11-09 11:41:46 +0100
commitfa443bc3c1e4b28d9315dea882e8358ba6e26f8b (patch)
tree970315d2559681a6085e0c2993b592ea83936870 /scripts/mod
parent5af06603c4090617be216a9185193a7be3ca60af (diff)
downloadlinux-fa443bc3c1e4b28d9315dea882e8358ba6e26f8b.tar.bz2
HID: intel-ish-hid: add support for MODULE_DEVICE_TABLE()
This allows to selectively autoload drivers for ISH devices. Currently all ISH drivers are loaded for all systems having any ISH device. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'scripts/mod')
-rw-r--r--scripts/mod/devicetable-offsets.c3
-rw-r--r--scripts/mod/file2alias.c24
2 files changed, 27 insertions, 0 deletions
diff --git a/scripts/mod/devicetable-offsets.c b/scripts/mod/devicetable-offsets.c
index cc3625617a0e..c0d3bcb99138 100644
--- a/scripts/mod/devicetable-offsets.c
+++ b/scripts/mod/devicetable-offsets.c
@@ -259,5 +259,8 @@ int main(void)
DEVID_FIELD(dfl_device_id, type);
DEVID_FIELD(dfl_device_id, feature_id);
+ DEVID(ishtp_device_id);
+ DEVID_FIELD(ishtp_device_id, guid);
+
return 0;
}
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 49aba862073e..5258247d78ac 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -115,6 +115,17 @@ static inline void add_uuid(char *str, uuid_le uuid)
uuid.b[12], uuid.b[13], uuid.b[14], uuid.b[15]);
}
+static inline void add_guid(char *str, guid_t guid)
+{
+ int len = strlen(str);
+
+ sprintf(str + len, "%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X",
+ guid.b[3], guid.b[2], guid.b[1], guid.b[0],
+ guid.b[5], guid.b[4], guid.b[7], guid.b[6],
+ guid.b[8], guid.b[9], guid.b[10], guid.b[11],
+ guid.b[12], guid.b[13], guid.b[14], guid.b[15]);
+}
+
/**
* 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
@@ -1380,6 +1391,18 @@ static int do_mhi_entry(const char *filename, void *symval, char *alias)
return 1;
}
+/* Looks like: ishtp:{guid} */
+static int do_ishtp_entry(const char *filename, void *symval, char *alias)
+{
+ DEF_FIELD(symval, ishtp_device_id, guid);
+
+ strcpy(alias, ISHTP_MODULE_PREFIX "{");
+ add_guid(alias, guid);
+ strcat(alias, "}");
+
+ return 1;
+}
+
static int do_auxiliary_entry(const char *filename, void *symval, char *alias)
{
DEF_FIELD_ADDR(symval, auxiliary_device_id, name);
@@ -1499,6 +1522,7 @@ static const struct devtable devtable[] = {
{"auxiliary", SIZE_auxiliary_device_id, do_auxiliary_entry},
{"ssam", SIZE_ssam_device_id, do_ssam_entry},
{"dfl", SIZE_dfl_device_id, do_dfl_entry},
+ {"ishtp", SIZE_ishtp_device_id, do_ishtp_entry},
};
/* Create MODULE_ALIAS() statements.