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24826db83f
In Linux v6.11, the 'platform_driver' structure 'remove' callback was updated to return void instead of 'int'. This change impacts all OOT platform drivers and so instead of editing each manually, add a coccinelle script to handle updating all platform drivers. This script is ran by executing the following command ... $ spatch --in-place \ --sp-file /path/to/scripts/coccinelle/platform_driver_remove.cocci <driver-source-directory> Finally, add a test to the conftest script that is used to detect if the platform driver 'remove' callback returns 'void'. Bug 4749580 Change-Id: I53d25cc36cc3be97a6eeeb4ccbdf9b7dfda338a9 Signed-off-by: Jon Hunter <jonathanh@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3176834 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
78 lines
1.6 KiB
Plaintext
78 lines
1.6 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-only
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// SPDX-FileCopyrightText: Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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// Options: --no-includes --include-headers --smpl-spacing
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@match1@
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identifier p, removefn;
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@@
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struct platform_driver p = {
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.remove = removefn,
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};
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@match2@
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identifier p, removefn;
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@@
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struct platform_driver p = {
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.remove = __exit_p(removefn),
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};
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@match3@
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@@
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#include <nvidia/conftest.h>
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@fix1 depends on match1@
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identifier match1.p;
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identifier match1.removefn;
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fresh identifier removefn_wrapper = removefn ## "_wrapper";
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@@
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+#if defined(NV_PLATFORM_DRIVER_STRUCT_REMOVE_RETURNS_VOID) /* Linux v6.11 */
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+static inline void removefn_wrapper(struct platform_device *pdev)
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+{
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+ removefn(pdev);
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+}
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+#else
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+static inline int removefn_wrapper(struct platform_device *pdev)
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+{
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+ return removefn(pdev);
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+}
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+#endif
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+
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struct platform_driver p = {
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- .remove = removefn,
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+ .remove = removefn_wrapper,
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};
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@fix2 depends on match2@
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identifier match2.p;
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identifier match2.removefn;
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fresh identifier removefn_wrapper = removefn ## "_wrapper";
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@@
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+#if defined(NV_PLATFORM_DRIVER_STRUCT_REMOVE_RETURNS_VOID) /* Linux v6.11 */
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+static inline void removefn_wrapper(struct platform_device *pdev)
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+{
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+ removefn(pdev);
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+}
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+#else
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+static inline int removefn_wrapper(struct platform_device *pdev)
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+{
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+ return removefn(pdev);
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+}
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+#endif
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+
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struct platform_driver p = {
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- .remove = __exit_p(removefn),
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+ .remove = __exit_p(removefn_wrapper),
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};
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@fix3 depends on (match1 || match2) && !match3@
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@@
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+#include <nvidia/conftest.h>
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+
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#include <...>
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@fix4 depends on (match1 || match2) && (!match3 && !fix3)@
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@@
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+#include <nvidia/conftest.h>
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+
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#include "..."
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