From: Eran Harary <eran.harary@xxxxxxxxx>
Due to HW bug in the DBGC when driver want to stop the dbg recording it
should wait 100us before collecting the data instead of write 0 to
DBGC_OUT_CTRL.
Signed-off-by: Eran Harary <eran.harary@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/mvm/fw.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c
index ca38e98..ab81124 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/iwlwifi/mvm/fw.c
@@ -458,7 +458,8 @@ void iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm)
iwl_set_bits_prph(mvm->trans, MON_BUFF_SAMPLE_CTL, 0x100);
} else {
iwl_write_prph(mvm->trans, DBGC_IN_SAMPLE, 0);
- iwl_write_prph(mvm->trans, DBGC_OUT_CTRL, 0);
+ /* wait before we collect the data till the DBGC stop */
+ udelay(100);
}
schedule_work(&mvm->fw_error_dump_wk);
--
1.9.1
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