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drivers: pwm: Fix build for Linux v6.8

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Commit 54c86dd20bba ("pwm: Replace PWM chip unique base by unique ID")
removed the 'base' field of the 'pwm_chip' structure replacing it with
an 'id' field. The new 'id' is initialised by the PWM driver core and
does not need to be configured by the PWM drivers.

Add a test for conftest to detect if the 'pwm_chip' structure has the
'base' field and update the various PWM driver to only set this field if
present.

Bug 4448428

Change-Id: I7cf466eddba4aedb57db84534e3cbf99be64151e
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3027486
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Jon Hunter
2023-12-04 09:58:20 +00:00
committed by mobile promotions
parent 8d5286c379
commit 10fd025187
5 changed files with 27 additions and 3 deletions
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4
drivers/pwm/pwm-tegra-tachometer.c
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@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2022-2023, NVIDIA CORPORATION. All rights reserved.
// Copyright (c) 2022-2024, NVIDIA CORPORATION. All rights reserved.
#include <nvidia/conftest.h>
@@ -429,7 +429,9 @@ static int pwm_tegra_tach_probe(struct platform_device *pdev)
ptt->chip.dev = &pdev->dev;
ptt->chip.ops = &pwm_tegra_tach_ops;
#if defined(NV_PWM_CHIP_STRUCT_HAS_BASE_ARG)
ptt->chip.base = -1;
#endif
ptt->chip.npwm = 1;
ret = pwmchip_add(&ptt->chip);