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From: Thomas Zimmermann <tzimmermann@suse.de>
To: tzungbi@kernel.org, briannorris@chromium.org,
	jwerner@chromium.org, javierm@redhat.com, samuel@sholland.org,
	maarten.lankhorst@linux.intel.com, mripard@kernel.org,
	airlied@gmail.com, simona@ffwll.ch
Cc: chrome-platform@lists.linux.dev, dri-devel@lists.freedesktop.org,
	Thomas Zimmermann <tzimmermann@suse.de>
Subject: [PATCH v2 06/12] firmware: google: Init coreboot bus with subsys_initcall()
Date: Thu, 15 Jan 2026 08:57:16 +0100	[thread overview]
Message-ID: <20260115082128.12460-7-tzimmermann@suse.de> (raw)
In-Reply-To: <20260115082128.12460-1-tzimmermann@suse.de>

Using module_init()/device_initcall() is too late to initialize
the coreboot bus, as there might already be drivers that depend
on it.

So far this hasn't been a problem, as coreboot controls all device
creation. Initializing the coreboot bus earlier in subsys_initcall()
will allow for external coreboot drivers to register themselves
with device_initcall(). Prepares coreboot to support additional
coreboot drivers from other subsystems.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
---
 drivers/firmware/google/coreboot_table.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/firmware/google/coreboot_table.c b/drivers/firmware/google/coreboot_table.c
index 882db32e51be..26d93781e64a 100644
--- a/drivers/firmware/google/coreboot_table.c
+++ b/drivers/firmware/google/coreboot_table.c
@@ -251,7 +251,7 @@ static void __exit coreboot_table_driver_exit(void)
 	bus_unregister(&coreboot_bus_type);
 }
 
-module_init(coreboot_table_driver_init);
+subsys_initcall(coreboot_table_driver_init);
 module_exit(coreboot_table_driver_exit);
 
 MODULE_AUTHOR("Google, Inc.");
-- 
2.52.0


  parent reply	other threads:[~2026-01-15  8:22 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-15  7:57 [PATCH v2 00/12] drm, coreboot: Add DRM coreboot driver Thomas Zimmermann
2026-01-15  7:57 ` [PATCH v2 01/12] firmware: google: framebuffer: Do not unregister platform device Thomas Zimmermann
2026-01-26  8:28   ` Tzung-Bi Shih
2026-01-15  7:57 ` [PATCH v2 02/12] firmware: google: framebuffer: Do not mark framebuffer as busy Thomas Zimmermann
2026-01-26  8:28   ` Tzung-Bi Shih
2026-01-15  7:57 ` [PATCH v2 03/12] firmware: google: framebuffer: Init memory resource with helper macro Thomas Zimmermann
2026-01-26  8:28   ` Tzung-Bi Shih
2026-01-15  7:57 ` [PATCH v2 04/12] firmware: google: framebuffer: Tie platform device to PCI hardware Thomas Zimmermann
2026-01-26  8:29   ` Tzung-Bi Shih
2026-01-15  7:57 ` [PATCH v2 05/12] firmware: google: framebuffer: Fix dependencies Thomas Zimmermann
2026-01-15 20:54   ` Julius Werner
2026-01-16  7:30     ` Thomas Zimmermann
2026-01-17  1:38       ` Julius Werner
2026-01-29 12:41         ` Thomas Zimmermann
2026-01-26 10:24   ` Tzung-Bi Shih
2026-01-15  7:57 ` Thomas Zimmermann [this message]
2026-01-26 10:25   ` [PATCH v2 06/12] firmware: google: Init coreboot bus with subsys_initcall() Tzung-Bi Shih
2026-01-15  7:57 ` [PATCH v2 07/12] firmware: google: Clean up include statements in coreboot_table.h Thomas Zimmermann
2026-01-26 10:25   ` Tzung-Bi Shih
2026-01-15  7:57 ` [PATCH v2 08/12] firmware: google: Export coreboot table entries Thomas Zimmermann
2026-01-26 10:25   ` Tzung-Bi Shih
2026-01-15  7:57 ` [PATCH v2 09/12] firmware: google: Pack structures for " Thomas Zimmermann
2026-01-15 20:56   ` Julius Werner
2026-01-16  7:32     ` Thomas Zimmermann
2026-01-15  7:57 ` [PATCH v2 10/12] drm/sysfb: Generalize pixel-format matching Thomas Zimmermann
2026-01-15  7:57 ` [PATCH v2 11/12] drm/sysfb: corebootdrm: Add DRM driver for coreboot framebuffers Thomas Zimmermann
2026-01-27  7:49   ` Tzung-Bi Shih
2026-01-29 14:56     ` Thomas Zimmermann
2026-01-15  7:57 ` [PATCH v2 12/12] drm/corebotdrm: Support panel orientation Thomas Zimmermann
2026-01-27  7:49   ` Tzung-Bi Shih
2026-01-27  8:04     ` Tzung-Bi Shih
2026-01-29 15:01       ` Thomas Zimmermann
2026-01-15 20:58 ` [PATCH v2 00/12] drm, coreboot: Add DRM coreboot driver Julius Werner
2026-01-16  7:33   ` Thomas Zimmermann
2026-01-16  9:13 ` Tzung-Bi Shih
2026-01-16  9:19   ` Thomas Zimmermann
2026-01-16  9:51     ` Tzung-Bi Shih

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