diff options
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/wil_crash_dump.c')
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/wil_crash_dump.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/net/wireless/ath/wil6210/wil_crash_dump.c b/drivers/net/wireless/ath/wil6210/wil_crash_dump.c index dc33a0b4c3fa..772cb00c2002 100644 --- a/drivers/net/wireless/ath/wil6210/wil_crash_dump.c +++ b/drivers/net/wireless/ath/wil6210/wil_crash_dump.c @@ -1,6 +1,6 @@ /* * Copyright (c) 2015,2017 Qualcomm Atheros, Inc. - * Copyright (c) 2018, The Linux Foundation. All rights reserved. + * Copyright (c) 2018-2019, 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 @@ -57,7 +57,7 @@ static int wil_fw_get_crash_dump_bounds(struct wil6210_priv *wil, int wil_fw_copy_crash_dump(struct wil6210_priv *wil, void *dest, u32 size) { - int i; + int i, rc; const struct fw_map *map; void *data; u32 host_min, dump_size, offset, len; @@ -73,14 +73,9 @@ int wil_fw_copy_crash_dump(struct wil6210_priv *wil, void *dest, u32 size) return -EINVAL; } - set_bit(wil_status_collecting_dumps, wil->status); - if (test_bit(wil_status_suspending, wil->status) || - test_bit(wil_status_suspended, wil->status) || - test_bit(wil_status_resetting, wil->status)) { - wil_err(wil, "cannot collect fw dump during suspend/reset\n"); - clear_bit(wil_status_collecting_dumps, wil->status); - return -EINVAL; - } + rc = wil_mem_access_lock(wil); + if (rc) + return rc; /* copy to crash dump area */ for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) { @@ -100,8 +95,7 @@ int wil_fw_copy_crash_dump(struct wil6210_priv *wil, void *dest, u32 size) wil_memcpy_fromio_32((void * __force)(dest + offset), (const void __iomem * __force)data, len); } - - clear_bit(wil_status_collecting_dumps, wil->status); + wil_mem_access_unlock(wil); return 0; } |