From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/drivers/net/wireless/ath/wil6210/pm.c | 51 +++++++++++++++++++++++----------------------------
1 files changed, 23 insertions(+), 28 deletions(-)
diff --git a/kernel/drivers/net/wireless/ath/wil6210/pm.c b/kernel/drivers/net/wireless/ath/wil6210/pm.c
index 3a41947..ed4df56 100644
--- a/kernel/drivers/net/wireless/ath/wil6210/pm.c
+++ b/kernel/drivers/net/wireless/ath/wil6210/pm.c
@@ -1,18 +1,7 @@
+// SPDX-License-Identifier: ISC
/*
* Copyright (c) 2014,2017 Qualcomm Atheros, Inc.
- * Copyright (c) 2018, The Linux Foundation. All rights reserved.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
*/
#include "wil6210.h"
@@ -26,7 +15,7 @@
int i;
mutex_lock(&wil->vif_mutex);
- for (i = 0; i < wil->max_vifs; i++) {
+ for (i = 0; i < GET_MAX_VIFS(wil); i++) {
struct wil6210_vif *vif = wil->vifs[i];
if (vif && test_bit(wil_vif_fwconnected, vif->status))
@@ -40,7 +29,7 @@
int i;
mutex_lock(&wil->vif_mutex);
- for (i = 0; i < wil->max_vifs; i++) {
+ for (i = 0; i < GET_MAX_VIFS(wil); i++) {
struct wil6210_vif *vif = wil->vifs[i];
if (vif)
@@ -123,7 +112,7 @@
/* interface is running */
mutex_lock(&wil->vif_mutex);
- for (i = 0; i < wil->max_vifs; i++) {
+ for (i = 0; i < GET_MAX_VIFS(wil); i++) {
struct wil6210_vif *vif = wil->vifs[i];
if (!vif)
@@ -190,19 +179,23 @@
static int wil_suspend_keep_radio_on(struct wil6210_priv *wil)
{
int rc = 0;
- unsigned long start, data_comp_to;
+ unsigned long data_comp_to;
wil_dbg_pm(wil, "suspend keep radio on\n");
/* Prevent handling of new tx and wmi commands */
- set_bit(wil_status_suspending, wil->status);
- if (test_bit(wil_status_collecting_dumps, wil->status)) {
- /* Device collects crash dump, cancel the suspend */
- wil_dbg_pm(wil, "reject suspend while collecting crash dump\n");
- clear_bit(wil_status_suspending, wil->status);
+ rc = down_write_trylock(&wil->mem_lock);
+ if (!rc) {
+ wil_err(wil,
+ "device is busy. down_write_trylock failed, returned (0x%x)\n",
+ rc);
wil->suspend_stats.rejected_by_host++;
return -EBUSY;
}
+
+ set_bit(wil_status_suspending, wil->status);
+ up_write(&wil->mem_lock);
+
wil_pm_stop_all_net_queues(wil);
if (!wil_is_tx_idle(wil)) {
@@ -232,7 +225,6 @@
}
/* Wait for completion of the pending RX packets */
- start = jiffies;
data_comp_to = jiffies + msecs_to_jiffies(WIL_DATA_COMPLETION_TO_MS);
if (test_bit(wil_status_napi_en, wil->status)) {
while (!wil->txrx_ops.is_rx_idle(wil)) {
@@ -311,15 +303,18 @@
wil_dbg_pm(wil, "suspend radio off\n");
- set_bit(wil_status_suspending, wil->status);
- if (test_bit(wil_status_collecting_dumps, wil->status)) {
- /* Device collects crash dump, cancel the suspend */
- wil_dbg_pm(wil, "reject suspend while collecting crash dump\n");
- clear_bit(wil_status_suspending, wil->status);
+ rc = down_write_trylock(&wil->mem_lock);
+ if (!rc) {
+ wil_err(wil,
+ "device is busy. down_write_trylock failed, returned (0x%x)\n",
+ rc);
wil->suspend_stats.rejected_by_host++;
return -EBUSY;
}
+ set_bit(wil_status_suspending, wil->status);
+ up_write(&wil->mem_lock);
+
/* if netif up, hardware is alive, shut it down */
mutex_lock(&wil->vif_mutex);
active_ifaces = wil_has_active_ifaces(wil, true, false);
--
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