[PATCH v4 1/4] firmware: coreboot: Generate modalias uevent for devices
From: Nícolas F. R. A. Prado <hidden>
Date: 2024-02-12 14:51:24
Also in:
chrome-platform, linux-kbuild, lkml
Subsystem:
google firmware drivers, the rest · Maintainers:
Tzung-Bi Shih, Linus Torvalds
Generate a modalias uevent for devices in the coreboot bus to allow userspace to automatically load the corresponding modules. Acked-by: Brian Norris <briannorris@chromium.org> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Brian Norris <briannorris@chromium.org> Signed-off-by: Nícolas F. R. A. Prado <redacted> --- 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
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