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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2020-21 Intel Corporation.
*/
#include <linux/device.h>
#include <linux/kobject.h>
#include <linux/slab.h>
#include "iosm_ipc_uevent.h"
/* Update the uevent in work queue context */
static void ipc_uevent_work(struct work_struct *data)
{
struct ipc_uevent_info *info;
char *envp[2] = { NULL, NULL };
info = container_of(data, struct ipc_uevent_info, work);
envp[0] = info->uevent;
if (kobject_uevent_env(&info->dev->kobj, KOBJ_CHANGE, envp))
pr_err("uevent %s failed to sent", info->uevent);
kfree(info);
}
void ipc_uevent_send(struct device *dev, char *uevent)
{
struct ipc_uevent_info *info = kzalloc(sizeof(*info), GFP_ATOMIC);
if (!info)
return;
/* Initialize the kernel work queue */
INIT_WORK(&info->work, ipc_uevent_work);
/* Store the device and event information */
info->dev = dev;
snprintf(info->uevent, MAX_UEVENT_LEN, "%s: %s", dev_name(dev), uevent);
/* Schedule uevent in process context using work queue */
schedule_work(&info->work);
}
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