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media: camera: Fix build for Linux v6.10

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In Linux v6.10, a pointer to a dynamically allocated 'struct device'
was replaced with a statically allocated 'struct device' in the
'pwm_chip' structure. Update the Tegra camera drivers accordingly to fix
the build for Linux v6.10.

Bug 4593750

Change-Id: I05e15e2a63383ab2f96be6c20e81705de9581869
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3123220
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Brad Griffis <bgriffis@nvidia.com>
This commit is contained in:
Jon Hunter
2024-04-10 15:49:15 +01:00
committed by mobile promotions
parent 0104837e60
commit 1b72d87cce
4 changed files with 97 additions and 57 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/media/platform/tegra/cdi/cdi-pwm-priv.h
View File

@@ -1,11 +1,13 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2016-2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
/* SPDX-License-Identifier: GPL-2.0-only */
/* SPDX-FileCopyrightText: Copyright (c) 2016-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
#ifndef __CDI_PWM_PRIV_H__
#define __CDI_PWM_PRIV_H__
struct cdi_pwm_info {
#if !defined(NV_PWM_CHIP_STRUCT_HAS_STRUCT_DEVICE)
struct pwm_chip chip;
#endif
struct pwm_device *pwm;
atomic_t in_use;
struct mutex mutex;

73
drivers/media/platform/tegra/cdi/cdi_pwm.c
View File

@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2016-2024, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
// SPDX-License-Identifier: GPL-2.0-only
// SPDX-FileCopyrightText: Copyright (c) 2016-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
#include <nvidia/conftest.h>
@@ -30,7 +30,11 @@ static const struct of_device_id cdi_pwm_of_match[] = {
static inline struct cdi_pwm_info *to_cdi_pwm_info(struct pwm_chip *chip)
{
#if defined(NV_PWM_CHIP_STRUCT_HAS_STRUCT_DEVICE)
return pwmchip_get_drvdata(chip);
#else
return container_of(chip, struct cdi_pwm_info, chip);
#endif
}
#if KERNEL_VERSION(6, 0, 0) > LINUX_VERSION_CODE
@@ -95,30 +99,35 @@ static struct pwm_device *of_cdi_pwm_xlate(struct pwm_chip *pc,
{
struct pwm_device *pwm;
struct cdi_pwm_info *info = to_cdi_pwm_info(pc);
#if defined(NV_PWM_CHIP_STRUCT_HAS_STRUCT_DEVICE)
struct device *dev = &pc->dev;
#else
struct device *dev = pc->dev;
#endif
int err = 0;
pwm = pwm_request_from_chip(pc, args->args[0], NULL);
if (!args->args[1]) {
dev_err(pc->dev, "Period should be larger than 0\n");
dev_err(dev, "Period should be larger than 0\n");
return NULL;
}
if (info->force_on) {
err = pwm_config(info->pwm, args->args[1]/4, args->args[1]);
if (err) {
dev_err(pc->dev, "can't config PWM: %d\n", err);
dev_err(dev, "can't config PWM: %d\n", err);
return NULL;
}
err = pwm_enable(info->pwm);
if (err) {
dev_err(pc->dev, "can't enable PWM: %d\n", err);
dev_err(dev, "can't enable PWM: %d\n", err);
return NULL;
}
} else {
err = pwm_config(pwm, args->args[1]/4, args->args[1]);
if (err) {
dev_err(pc->dev, "can't config PWM: %d\n", err);
dev_err(dev, "can't config PWM: %d\n", err);
return NULL;
}
}
@@ -140,50 +149,60 @@ static const struct pwm_ops cdi_pwm_ops = {
static int cdi_pwm_probe(struct platform_device *pdev)
{
struct cdi_pwm_info *info = NULL;
struct pwm_chip *chip;
int err = 0, npwm;
bool force_on = false;
dev_info(&pdev->dev, "%sing...\n", __func__);
info = devm_kzalloc(
&pdev->dev, sizeof(struct cdi_pwm_info), GFP_KERNEL);
if (!info)
return -ENOMEM;
atomic_set(&info->in_use, 0);
mutex_init(&info->mutex);
err = of_property_read_u32(pdev->dev.of_node, "npwm", &npwm);
if (err < 0) {
dev_err(&pdev->dev, "npwm is not defined: %d\n", err);
return err;
}
#if defined(NV_PWM_CHIP_STRUCT_HAS_STRUCT_DEVICE)
chip = devm_pwmchip_alloc(&pdev->dev, npwm, sizeof(*info));
if (IS_ERR(chip))
return PTR_ERR(chip);
info = to_cdi_pwm_info(chip);
#else
info = devm_kzalloc(
&pdev->dev, sizeof(struct cdi_pwm_info), GFP_KERNEL);
if (!info)
return -ENOMEM;
chip = &info->chip;
chip->dev = &pdev->dev;
chip->npwm = npwm;
#endif
atomic_set(&info->in_use, 0);
mutex_init(&info->mutex);
force_on = of_property_read_bool(pdev->dev.of_node, "force_on");
info->chip.dev = &pdev->dev;
info->chip.ops = &cdi_pwm_ops;
chip->ops = &cdi_pwm_ops;
#if defined(NV_PWM_CHIP_STRUCT_HAS_BASE_ARG)
info->chip.base = -1;
chip->base = -1;
#endif
info->chip.npwm = npwm;
info->chip.of_xlate = of_cdi_pwm_xlate;
chip->of_xlate = of_cdi_pwm_xlate;
info->force_on = force_on;
err = pwmchip_add(&info->chip);
err = pwmchip_add(chip);
if (err < 0) {
dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", err);
return err;
}
platform_set_drvdata(pdev, info);
platform_set_drvdata(pdev, chip);
info->pwm = devm_pwm_get(&pdev->dev, NULL);
if (!IS_ERR(info->pwm)) {
pwm_disable(info->pwm);
dev_info(&pdev->dev, "%s success to get PWM\n", __func__);
} else {
pwmchip_remove(&info->chip);
pwmchip_remove(chip);
err = PTR_ERR(info->pwm);
if (err != -EPROBE_DEFER)
dev_err(&pdev->dev,
@@ -195,24 +214,24 @@ static int cdi_pwm_probe(struct platform_device *pdev)
static int cdi_pwm_remove(struct platform_device *pdev)
{
struct cdi_pwm_info *info = platform_get_drvdata(pdev);
struct pwm_chip *chip = platform_get_drvdata(pdev);
pwmchip_remove(&info->chip);
pwmchip_remove(chip);
return 0;
}
static int cdi_pwm_suspend(struct device *dev)
{
int err = 0;
struct cdi_pwm_info *info = dev_get_drvdata(dev);
struct pwm_chip *chip = dev_get_drvdata(dev);
struct cdi_pwm_info *info = to_cdi_pwm_info(chip);
if (info == NULL) {
dev_err(dev, "%s: fail to get info\n", __func__);
} else {
if (!IS_ERR(info->pwm)) {
pwm_disable(info->pwm);
err = pwm_config(info->pwm, PWM_SUSPEND_DUTY_RATIO,
pwm_config(info->pwm, PWM_SUSPEND_DUTY_RATIO,
PWM_SUSPEND_PERIOD);
}
}

6
drivers/media/platform/tegra/isc/isc-pwm-priv.h
View File

@@ -1,13 +1,13 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2016-2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
*/
/* SPDX-FileCopyrightText: Copyright (c) 2016-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
#ifndef __ISC_PWM_PRIV_H__
#define __ISC_PWM_PRIV_H__
struct isc_pwm_info {
#if !defined(NV_PWM_CHIP_STRUCT_HAS_STRUCT_DEVICE)
struct pwm_chip chip;
#endif
struct pwm_device *pwm;
atomic_t in_use;
struct mutex mutex;

69
drivers/media/platform/tegra/isc/isc_pwm.c
View File

@@ -30,7 +30,11 @@ static const struct of_device_id isc_pwm_of_match[] = {
static inline struct isc_pwm_info *to_isc_pwm_info(struct pwm_chip *chip)
{
#if defined(NV_PWM_CHIP_STRUCT_HAS_STRUCT_DEVICE)
return pwmchip_get_drvdata(chip);
#else
return container_of(chip, struct isc_pwm_info, chip);
#endif
}
#if KERNEL_VERSION(6, 0, 0) > LINUX_VERSION_CODE
@@ -95,30 +99,35 @@ static struct pwm_device *of_isc_pwm_xlate(struct pwm_chip *pc,
{
struct pwm_device *pwm;
struct isc_pwm_info *info = to_isc_pwm_info(pc);
#if defined(NV_PWM_CHIP_STRUCT_HAS_STRUCT_DEVICE)
struct device *dev = &pc->dev;
#else
struct device *dev = pc->dev;
#endif
int err = 0;
pwm = pwm_request_from_chip(pc, args->args[0], NULL);
if (!args->args[1]) {
dev_err(pc->dev, "Period should be larger than 0\n");
dev_err(dev, "Period should be larger than 0\n");
return NULL;
}
if (info->force_on) {
err = pwm_config(info->pwm, args->args[1]/4, args->args[1]);
if (err) {
dev_err(pc->dev, "can't config PWM: %d\n", err);
dev_err(dev, "can't config PWM: %d\n", err);
return NULL;
}
err = pwm_enable(info->pwm);
if (err) {
dev_err(pc->dev, "can't enable PWM: %d\n", err);
dev_err(dev, "can't enable PWM: %d\n", err);
return NULL;
}
} else {
err = pwm_config(pwm, args->args[1]/4, args->args[1]);
if (err) {
dev_err(pc->dev, "can't config PWM: %d\n", err);
dev_err(dev, "can't config PWM: %d\n", err);
return NULL;
}
}
@@ -140,50 +149,60 @@ static const struct pwm_ops isc_pwm_ops = {
static int isc_pwm_probe(struct platform_device *pdev)
{
struct isc_pwm_info *info = NULL;
struct pwm_chip *chip;
int err = 0, npwm;
bool force_on = false;
dev_info(&pdev->dev, "%sing...\n", __func__);
info = devm_kzalloc(
&pdev->dev, sizeof(struct isc_pwm_info), GFP_KERNEL);
if (!info)
return -ENOMEM;
atomic_set(&info->in_use, 0);
mutex_init(&info->mutex);
err = of_property_read_u32(pdev->dev.of_node, "npwm", &npwm);
if (err < 0) {
dev_err(&pdev->dev, "npwm is not defined: %d\n", err);
return err;
}
#if defined(NV_PWM_CHIP_STRUCT_HAS_STRUCT_DEVICE)
chip = devm_pwmchip_alloc(&pdev->dev, npwm, sizeof(*info));
if (IS_ERR(chip))
return PTR_ERR(chip);
info = to_isc_pwm_info(chip);
#else
info = devm_kzalloc(
&pdev->dev, sizeof(struct isc_pwm_info), GFP_KERNEL);
if (!info)
return -ENOMEM;
chip = &info->chip;
chip->dev = &pdev->dev;
chip->npwm = npwm;
#endif
atomic_set(&info->in_use, 0);
mutex_init(&info->mutex);
force_on = of_property_read_bool(pdev->dev.of_node, "force_on");
info->chip.dev = &pdev->dev;
info->chip.ops = &isc_pwm_ops;
chip->ops = &isc_pwm_ops;
#if defined(NV_PWM_CHIP_STRUCT_HAS_BASE_ARG)
info->chip.base = -1;
chip->base = -1;
#endif
info->chip.npwm = npwm;
info->chip.of_xlate = of_isc_pwm_xlate;
chip->of_xlate = of_isc_pwm_xlate;
info->force_on = force_on;
err = pwmchip_add(&info->chip);
err = pwmchip_add(chip);
if (err < 0) {
dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", err);
return err;
}
platform_set_drvdata(pdev, info);
platform_set_drvdata(pdev, chip);
info->pwm = devm_pwm_get(&pdev->dev, NULL);
if (!IS_ERR(info->pwm)) {
pwm_disable(info->pwm);
dev_info(&pdev->dev, "%s success to get PWM\n", __func__);
} else {
pwmchip_remove(&info->chip);
pwmchip_remove(chip);
err = PTR_ERR(info->pwm);
if (err != -EPROBE_DEFER)
dev_err(&pdev->dev,
@@ -195,24 +214,24 @@ static int isc_pwm_probe(struct platform_device *pdev)
static int isc_pwm_remove(struct platform_device *pdev)
{
struct isc_pwm_info *info = platform_get_drvdata(pdev);
struct pwm_chip *chip = platform_get_drvdata(pdev);
pwmchip_remove(&info->chip);
pwmchip_remove(chip);
return 0;
}
static int isc_pwm_suspend(struct device *dev)
{
int err = 0;
struct isc_pwm_info *info = dev_get_drvdata(dev);
struct pwm_chip *chip = dev_get_drvdata(dev);
struct isc_pwm_info *info = to_isc_pwm_info(chip);
if (info == NULL) {
dev_err(dev, "%s: fail to get info\n", __func__);
} else {
if (!IS_ERR(info->pwm)) {
pwm_disable(info->pwm);
err = pwm_config(info->pwm, PWM_SUSPEND_DUTY_RATIO,
pwm_config(info->pwm, PWM_SUSPEND_DUTY_RATIO,
PWM_SUSPEND_PERIOD);
}
}