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drivers 修复rtl8821cu在reboot时偶尔出现初始化失败的错误

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This commit is contained in:
hejiawencc
2023-03-25 14:15:11 +08:00
parent e94dd39950
commit cd99cc7d25
2 changed files with 55 additions and 3 deletions
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3
drivers/net/wireless/rockchip_wlan/rtl8821cu/Makefile
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@ -119,7 +119,8 @@ endif
CONFIG_RTW_DEBUG = y
# default log level is _DRV_INFO_ = 4,
# please refer to "How_to_set_driver_debug_log_level.doc" to set the available level.
CONFIG_RTW_LOG_LEVEL = 0
# echo 3 > /proc/net/rtl8821cu/log_level
CONFIG_RTW_LOG_LEVEL = 1
# enable /proc/net/rtlxxxx/ debug interfaces
CONFIG_PROC_DEBUG = y

55
drivers/net/wireless/rockchip_wlan/rtl8821cu/os_dep/linux/usb_intf.c
View File

@ -1492,5 +1492,56 @@ static void __exit rtw_drv_halt(void)
rtw_mstat_dump(RTW_DBGDUMP);
}
module_init(rtw_drv_entry);
module_exit(rtw_drv_halt);
// module_init(rtw_drv_entry);
// module_exit(rtw_drv_halt);
#include "rtw_version.h"
#include <linux/rfkill-wlan.h>
extern int get_wifi_chip_type(void);
extern int rockchip_wifi_power(int on);
extern int rockchip_wifi_set_carddetect(int val);
int rockchip_wifi_init_module_rtkwifi(void)
{
printk("\n");
printk("=======================================================\n");
printk("==== Launching Wi-Fi driver! (Powered by Rockchip) ====\n");
printk("=======================================================\n");
printk("Realtek 8821CU USB WiFi driver (Powered by Rockchip,Ver %s) init.\n", DRIVERVERSION);
rockchip_wifi_power(0);
msleep(200);
rockchip_wifi_power(1);
rockchip_wifi_set_carddetect(1);
return rtw_drv_entry();
}
void rockchip_wifi_exit_module_rtkwifi(void)
{
printk("\n");
printk("=======================================================\n");
printk("==== Dislaunching Wi-Fi driver! (Powered by Rockchip) ====\n");
printk("=======================================================\n");
printk("Realtek 8821CU USB WiFi driver (Powered by Rockchip,Ver %s) init.\n", DRIVERVERSION);
rtw_drv_halt();
rockchip_wifi_set_carddetect(0);
rockchip_wifi_power(0);
}
#ifdef CONFIG_WIFI_BUILD_MODULE
module_init(rockchip_wifi_init_module_rtkwifi);
module_exit(rockchip_wifi_exit_module_rtkwifi);
#else
#ifdef CONFIG_WIFI_LOAD_DRIVER_WHEN_KERNEL_BOOTUP
late_initcall(rockchip_wifi_init_module_rtkwifi);
module_exit(rockchip_wifi_exit_module_rtkwifi);
#else
EXPORT_SYMBOL(rockchip_wifi_init_module_rtkwifi);
EXPORT_SYMBOL(rockchip_wifi_exit_module_rtkwifi);
#endif
#endif