linux-kernel - [PATCH v3 03/10] drm/bochs: Replace module-init boiler-plate code with DRM helpers

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Date:   Wed, 22 Dec 2021 09:28:24 +0100
From:   Javier Martinez Canillas <javierm@...hat.com>
To:     linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Cc:     Thomas Zimmermann <tzimmermann@...e.de>,
        Javier Martinez Canillas <javierm@...hat.com>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Gerd Hoffmann <kraxel@...hat.com>,
        virtualization@...ts.linux-foundation.org
Subject: [PATCH v3 03/10] drm/bochs: Replace module-init boiler-plate code with DRM helpers

From: Thomas Zimmermann <tzimmermann@...e.de>

Remove custom bochs_init() and bochs_exit() functions and initialize
the module with DRM module helpers.

Signed-off-by: Thomas Zimmermann <tzimmermann@...e.de>
Signed-off-by: Javier Martinez Canillas <javierm@...hat.com>
---

(no changes since v1)

 drivers/gpu/drm/tiny/bochs.c | 20 ++------------------
 1 file changed, 2 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/tiny/bochs.c b/drivers/gpu/drm/tiny/bochs.c
index fc26a1ce11ee..ed971c8bb446 100644
--- a/drivers/gpu/drm/tiny/bochs.c
+++ b/drivers/gpu/drm/tiny/bochs.c
@@ -10,6 +10,7 @@
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_gem_vram_helper.h>
 #include <drm/drm_managed.h>
+#include <drm/drm_module.h>
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_simple_kms_helper.h>
 
@@ -716,24 +717,7 @@ static struct pci_driver bochs_pci_driver = {
 /* ---------------------------------------------------------------------- */
 /* module init/exit                                                       */
 
-static int __init bochs_init(void)
-{
-	if (drm_firmware_drivers_only() && bochs_modeset == -1)
-		return -EINVAL;
-
-	if (bochs_modeset == 0)
-		return -EINVAL;
-
-	return pci_register_driver(&bochs_pci_driver);
-}
-
-static void __exit bochs_exit(void)
-{
-	pci_unregister_driver(&bochs_pci_driver);
-}
-
-module_init(bochs_init);
-module_exit(bochs_exit);
+drm_module_pci_driver_if_modeset(bochs_pci_driver, bochs_modeset);
 
 MODULE_DEVICE_TABLE(pci, bochs_pci_tbl);
 MODULE_AUTHOR("Gerd Hoffmann <kraxel@...hat.com>");
-- 
2.33.1