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drivers: Add conftest test for class_create

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In Linux v6.4, the module pointer argument is removed from the
class_create() function. Add a test to the conftest script that checks
if this argument for the class_create() function has been removed and
use the definition created by conftest to select which version of the
function is used.

Bug 4183168
Bug 4221847

Change-Id: I440e4b318001886cd0319bb3499ba33178475e8c
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2989020
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Jon Hunter
2023-10-02 10:56:59 +01:00
committed by mobile promotions
parent 86dafc35bb
commit ce678a37b1
21 changed files with 100 additions and 33 deletions
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7
drivers/media/platform/tegra/cdi/cdi_mgr.c
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@@ -1,5 +1,8 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2015-2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
#include <nvidia/conftest.h>
#include <linux/delay.h>
#include <linux/fs.h>
#include <linux/module.h>
@@ -1875,7 +1878,11 @@ static int cdi_mgr_probe(struct platform_device *pdev)
}
/* poluate sysfs entries */
#if defined(NV_CLASS_CREATE_HAS_NO_OWNER_ARG) /* Linux v6.4 */
cdi_mgr->cdi_class = class_create(cdi_mgr->devname);
#else
cdi_mgr->cdi_class = class_create(THIS_MODULE, cdi_mgr->devname);
#endif
if (IS_ERR(cdi_mgr->cdi_class)) {
err = PTR_ERR(cdi_mgr->cdi_class);
cdi_mgr->cdi_class = NULL;