From cf4ce59b3b70238352c7f1729f0f7223214828ad Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 20 Sep 2024 01:46:19 +0000
Subject: [PATCH] rtl88x2CE_WiFi_linux add concurrent mode
---
kernel/drivers/input/input.c | 89 +++++++++++++++++++++++++++++++-------------
1 files changed, 62 insertions(+), 27 deletions(-)
diff --git a/kernel/drivers/input/input.c b/kernel/drivers/input/input.c
index f96c40a..49504dc 100644
--- a/kernel/drivers/input/input.c
+++ b/kernel/drivers/input/input.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* The input core
*
* Copyright (c) 1999-2002 Vojtech Pavlik
*/
-/*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- */
#define pr_fmt(fmt) KBUILD_BASENAME ": " fmt
@@ -28,6 +24,7 @@
#include <linux/mutex.h>
#include <linux/rcupdate.h>
#include "input-compat.h"
+#include "input-poller.h"
MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
MODULE_DESCRIPTION("Input core");
@@ -49,6 +46,17 @@
static DEFINE_MUTEX(input_mutex);
static const struct input_value input_value_sync = { EV_SYN, SYN_REPORT, 1 };
+
+static const unsigned int input_max_code[EV_CNT] = {
+ [EV_KEY] = KEY_MAX,
+ [EV_REL] = REL_MAX,
+ [EV_ABS] = ABS_MAX,
+ [EV_MSC] = MSC_MAX,
+ [EV_SW] = SW_MAX,
+ [EV_LED] = LED_MAX,
+ [EV_SND] = SND_MAX,
+ [EV_FF] = FF_MAX,
+};
static inline int is_event_supported(unsigned int code,
unsigned long *bm, unsigned int max)
@@ -615,19 +623,30 @@
handle->open++;
- if (!dev->users++ && dev->open)
- retval = dev->open(dev);
+ if (dev->users++) {
+ /*
+ * Device is already opened, so we can exit immediately and
+ * report success.
+ */
+ goto out;
+ }
- if (retval) {
- dev->users--;
- if (!--handle->open) {
+ if (dev->open) {
+ retval = dev->open(dev);
+ if (retval) {
+ dev->users--;
+ handle->open--;
/*
* Make sure we are not delivering any more events
* through this handle
*/
synchronize_rcu();
+ goto out;
}
}
+
+ if (dev->poller)
+ input_dev_poller_start(dev->poller);
out:
mutex_unlock(&dev->mutex);
@@ -667,8 +686,13 @@
__input_release_device(handle);
- if (!--dev->users && dev->close)
- dev->close(dev);
+ if (!--dev->users) {
+ if (dev->poller)
+ input_dev_poller_stop(dev->poller);
+
+ if (dev->close)
+ dev->close(dev);
+ }
if (!--handle->open) {
/*
@@ -1204,13 +1228,12 @@
return seq_open(file, &input_devices_seq_ops);
}
-static const struct file_operations input_devices_fileops = {
- .owner = THIS_MODULE,
- .open = input_proc_devices_open,
- .poll = input_proc_devices_poll,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
+static const struct proc_ops input_devices_proc_ops = {
+ .proc_open = input_proc_devices_open,
+ .proc_poll = input_proc_devices_poll,
+ .proc_read = seq_read,
+ .proc_lseek = seq_lseek,
+ .proc_release = seq_release,
};
static void *input_handlers_seq_start(struct seq_file *seq, loff_t *pos)
@@ -1268,12 +1291,11 @@
return seq_open(file, &input_handlers_seq_ops);
}
-static const struct file_operations input_handlers_fileops = {
- .owner = THIS_MODULE,
- .open = input_proc_handlers_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
+static const struct proc_ops input_handlers_proc_ops = {
+ .proc_open = input_proc_handlers_open,
+ .proc_read = seq_read,
+ .proc_lseek = seq_lseek,
+ .proc_release = seq_release,
};
static int __init input_proc_init(void)
@@ -1285,12 +1307,12 @@
return -ENOMEM;
entry = proc_create("devices", 0, proc_bus_input_dir,
- &input_devices_fileops);
+ &input_devices_proc_ops);
if (!entry)
goto fail1;
entry = proc_create("handlers", 0, proc_bus_input_dir,
- &input_handlers_fileops);
+ &input_handlers_proc_ops);
if (!entry)
goto fail2;
@@ -1520,6 +1542,7 @@
&input_dev_attr_group,
&input_dev_id_attr_group,
&input_dev_caps_attr_group,
+ &input_poller_attribute_group,
NULL
};
@@ -1529,6 +1552,7 @@
input_ff_destroy(dev);
input_mt_destroy_slots(dev);
+ kfree(dev->poller);
kfree(dev->absinfo);
kfree(dev->vals);
kfree(dev);
@@ -1963,6 +1987,14 @@
*/
void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int code)
{
+ if (type < EV_CNT && input_max_code[type] &&
+ code > input_max_code[type]) {
+ pr_err("%s: invalid code %u for type %u\n", __func__, code,
+ type);
+ dump_stack();
+ return;
+ }
+
switch (type) {
case EV_KEY:
__set_bit(code, dev->keybit);
@@ -2193,6 +2225,9 @@
if (!dev->setkeycode)
dev->setkeycode = input_default_setkeycode;
+ if (dev->poller)
+ input_dev_poller_finalize(dev->poller);
+
error = device_add(&dev->dev);
if (error)
goto err_free_vals;
--
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