Merge tag 'tag-chrome-platform-firmware-for-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform firmware updates from Tzung-Bi Shih:

 - Allow userspace to automatically load coreboot modules by adding
   modaliases and sending uevents

 - Make bus_type const

* tag 'tag-chrome-platform-firmware-for-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
  firmware: coreboot: Replace tag with id table in driver struct
  firmware: coreboot: Generate aliases for coreboot modules
  firmware: coreboot: Generate modalias uevent for devices
  firmware: coreboot: make coreboot_bus_type const

1 files changed, 20 insertions, 2 deletions

diff --git a/drivers/firmware/google/coreboot_table.c b/drivers/firmware/google/coreboot_table.c
index 2a4469bf1b81..d4b6e581a6c6 100644
--- a/drivers/firmware/google/coreboot_table.c
+++ b/drivers/firmware/google/coreboot_table.c
@@ -28,8 +28,17 @@ static int coreboot_bus_match(struct device *dev, struct device_driver *drv)
 {
 	struct coreboot_device *device = CB_DEV(dev);
 	struct coreboot_driver *driver = CB_DRV(drv);
+	const struct coreboot_device_id *id;
 
-	return device->entry.tag == driver->tag;
+	if (!driver->id_table)
+		return 0;
+
+	for (id = driver->id_table; id->tag; id++) {
+		if (device->entry.tag == id->tag)
+			return 1;
+	}
+
+	return 0;
 }
 
 static int coreboot_bus_probe(struct device *dev)
@@ -53,11 +62,20 @@ static void coreboot_bus_remove(struct device *dev)
 		driver->remove(device);
 }
 
-static struct bus_type coreboot_bus_type = {
+static int coreboot_bus_uevent(const struct device *dev, struct kobj_uevent_env *env)
+{
+	struct coreboot_device *device = CB_DEV(dev);
+	u32 tag = device->entry.tag;
+
+	return add_uevent_var(env, "MODALIAS=coreboot:t%08X", tag);
+}
+
+static const struct bus_type coreboot_bus_type = {
 	.name		= "coreboot",
 	.match		= coreboot_bus_match,
 	.probe		= coreboot_bus_probe,
 	.remove		= coreboot_bus_remove,
+	.uevent		= coreboot_bus_uevent,
 };
 
 static void coreboot_device_release(struct device *dev)