Generate a modalias uevent for devices in the coreboot bus to allow
userspace to automatically load the corresponding modules.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
---

 drivers/firmware/google/coreboot_table.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/firmware/google/coreboot_table.c b/drivers/firmware/google/coreboot_table.c
index 2a4469bf1b81..c1b9a9e8e8ed 100644
--- a/drivers/firmware/google/coreboot_table.c
+++ b/drivers/firmware/google/coreboot_table.c
@@ -53,11 +53,20 @@ static void coreboot_bus_remove(struct device *dev)
 		driver->remove(device);
 }
 
+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 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)
-- 
2.43.0

It would have been nice to get the whole series, or at least direct to
all the same mailing lists -- specifically, chrome-platform@lists.linux.dev

But I found the whole thing eventually.

On Thu, Jan 11, 2024 at 12:11:46PM -0300, Nícolas F. R. A. Prado wrote:
> Generate a modalias uevent for devices in the coreboot bus to allow
> userspace to automatically load the corresponding modules.
> 
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>

Acked-by: Brian Norris <briannorris@chromium.org>

On Thu, Jan 11, 2024 at 04:37:10PM -0800, Brian Norris wrote:
> It would have been nice to get the whole series, or at least direct to
> all the same mailing lists -- specifically, chrome-platform@lists.linux.dev

Yeah, that's an artifact of using patman for patch submission... But I'll make
sure that list gets the whole series for v2.

Thanks,
Nícolas