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firmware: coreboot: Generate modalias uevent for devices 

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 <nfraprado@collabora.com>
Link: https://lore.kernel.org/r/20240212-coreboot-mod-defconfig-v4-1-d14172676f6d@collabora.com
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
This commit is contained in:
Nícolas F. R. A. Prado 2024-02-12 09:50:05 -05:00 committed by Tzung-Bi Shih
parent e3c5df1381
commit c2b28f6806
1 changed files with 9 additions and 0 deletions
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9
drivers/firmware/google/coreboot_table.c
View File

@ -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)