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dsp: audio_ion: Add 32 bit userspace ioctl support

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Add ioctl support for 32 bit userspace on 64bit platform.

Change-Id: I208c452993d10d1901eb926dcd4e4a0a1747eaea
Signed-off-by: Srinivas Marka <quic_smarka@quicinc.com>
This commit is contained in:
Srinivas Marka 2023-12-28 15:43:09 +05:30
parent 465958d84d
commit 098bc9ac84
1 changed files with 14 additions and 1 deletions
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15
dsp/msm_audio_ion.c
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@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2013-2021, The Linux Foundation. All rights reserved.
* Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2022-2024, Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include <linux/init.h>
@ -19,6 +19,7 @@
#include <linux/of_device.h>
#include <linux/export.h>
#include <linux/ioctl.h>
#include <linux/compat.h>
#include <linux/cdev.h>
#include <linux/fs.h>
#include <linux/device.h>
@ -779,6 +780,15 @@ static long msm_audio_ion_ioctl(struct file *file, unsigned int ioctl_num,
return ret;
}
/* support of 32bit userspace on 64bit platforms */
#ifdef CONFIG_COMPAT
static long msm_audio_ion_ioctl_compat(struct file *file, unsigned int cmd,
unsigned long arg)
{
return msm_audio_ion_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
}
#endif
static const struct of_device_id msm_audio_ion_dt_match[] = {
{ .compatible = "qcom,msm-audio-ion" },
{ .compatible = "qcom,msm-audio-ion-cma"},
@ -791,6 +801,9 @@ static const struct file_operations msm_audio_ion_fops = {
.open = msm_audio_ion_open,
.release = msm_audio_ion_release,
.unlocked_ioctl = msm_audio_ion_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = msm_audio_ion_ioctl_compat,
#endif
};
static int msm_audio_ion_reg_chrdev(struct msm_audio_ion_private *ion_data)