linux-kernel - [PATCH v3 02/10] drm/ast: Replace module-init boiler-plate code with DRM helpers

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Message-Id: <20211222082831.196562-3-javierm@redhat.com>
Date:   Wed, 22 Dec 2021 09:28:23 +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>,
        Dave Airlie <airlied@...hat.com>,
        David Airlie <airlied@...ux.ie>
Subject: [PATCH v3 02/10] drm/ast: Replace module-init boiler-plate code with DRM helpers

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

Remove custom ast_init() and ast_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/ast/ast_drv.c | 18 ++----------------
 1 file changed, 2 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c
index 6d8613f6fe1c..7465c4f0156a 100644
--- a/drivers/gpu/drm/ast/ast_drv.c
+++ b/drivers/gpu/drm/ast/ast_drv.c
@@ -34,6 +34,7 @@
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_gem_vram_helper.h>
+#include <drm/drm_module.h>
 #include <drm/drm_probe_helper.h>
 
 #include "ast_drv.h"
@@ -230,22 +231,7 @@ static struct pci_driver ast_pci_driver = {
 	.driver.pm = &ast_pm_ops,
 };
 
-static int __init ast_init(void)
-{
-	if (drm_firmware_drivers_only() && ast_modeset == -1)
-		return -EINVAL;
-
-	if (ast_modeset == 0)
-		return -EINVAL;
-	return pci_register_driver(&ast_pci_driver);
-}
-static void __exit ast_exit(void)
-{
-	pci_unregister_driver(&ast_pci_driver);
-}
-
-module_init(ast_init);
-module_exit(ast_exit);
+drm_module_pci_driver_if_modeset(ast_pci_driver, ast_modeset);
 
 MODULE_AUTHOR(DRIVER_AUTHOR);
 MODULE_DESCRIPTION(DRIVER_DESC);
-- 
2.33.1