diff options
| -rw-r--r-- | drivers/net/wireless/cnss/cnss_sdio.c | 33 | ||||
| -rw-r--r-- | include/net/cnss.h | 9 |
2 files changed, 40 insertions, 2 deletions
diff --git a/drivers/net/wireless/cnss/cnss_sdio.c b/drivers/net/wireless/cnss/cnss_sdio.c index 8c052b0d97b1..13bc3aa63dc8 100644 --- a/drivers/net/wireless/cnss/cnss_sdio.c +++ b/drivers/net/wireless/cnss/cnss_sdio.c @@ -1,4 +1,4 @@ -/* Copyright (c) 2015, The Linux Foundation. All rights reserved. +/* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -558,6 +558,37 @@ void cnss_device_crashed(void) } EXPORT_SYMBOL(cnss_device_crashed); +/** + * cnss_get_restart_level() - cnss get restart level API + * + * Wlan sdio function driver uses this API to get the current + * subsystem restart level. + * + * Return: CNSS_RESET_SOC - "SYSTEM", restart system + * CNSS_RESET_SUBSYS_COUPLED - "RELATED",restart subsystem + */ +int cnss_get_restart_level(void) +{ + struct cnss_ssr_info *ssr_info; + int level; + + if (!cnss_pdata) + return CNSS_RESET_SOC; + ssr_info = &cnss_pdata->ssr_info; + if (!ssr_info->subsys) + return CNSS_RESET_SOC; + level = subsys_get_restart_level(ssr_info->subsys); + switch (level) { + case RESET_SOC: + return CNSS_RESET_SOC; + case RESET_SUBSYS_COUPLED: + return CNSS_RESET_SUBSYS_COUPLED; + default: + return CNSS_RESET_SOC; + } +} +EXPORT_SYMBOL(cnss_get_restart_level); + static int cnss_sdio_wlan_inserted( struct sdio_func *func, const struct sdio_device_id *id) diff --git a/include/net/cnss.h b/include/net/cnss.h index ee91b28644d3..e71a53c7182f 100644 --- a/include/net/cnss.h +++ b/include/net/cnss.h @@ -1,4 +1,4 @@ -/* Copyright (c) 2013-2015, The Linux Foundation. All rights reserved. +/* Copyright (c) 2013-2016, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -189,6 +189,13 @@ extern int cnss_get_ramdump_mem(unsigned long *address, unsigned long *size); extern void *cnss_get_virt_ramdump_mem(unsigned long *size); extern void cnss_schedule_recovery_work(void); +enum { + CNSS_RESET_SOC = 0, + CNSS_RESET_SUBSYS_COUPLED, + CNSS_RESET_LEVEL_MAX +}; +extern int cnss_get_restart_level(void); + #ifdef CONFIG_CNSS_SDIO struct cnss_sdio_wlan_driver { const char *name; |