From c2b28f6806d2a26a8d46c0f02d4852bf9904929d Mon Sep 17 00:00:00 2001 From: "Nícolas F. R. A. Prado" Date: Mon, 12 Feb 2024 09:50:05 -0500 Subject: firmware: coreboot: Generate modalias uevent for devices MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Generate a modalias uevent for devices in the coreboot bus to allow userspace to automatically load the corresponding modules. Acked-by: Brian Norris Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Brian Norris Signed-off-by: Nícolas F. R. A. Prado Link: https://lore.kernel.org/r/20240212-coreboot-mod-defconfig-v4-1-d14172676f6d@collabora.com Signed-off-by: Tzung-Bi Shih --- drivers/firmware/google/coreboot_table.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/firmware') diff --git a/drivers/firmware/google/coreboot_table.c b/drivers/firmware/google/coreboot_table.c index fcdc387ae7aa..234cebf376d9 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 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) -- cgit v1.2.3