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Re: [IWLMVM] Firmware restart issue with 3.19-rc6-wl with AC 3160, REV=0x164

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On Fri, 2015-01-30 at 21:23 +0100, Christian Lamparter wrote:

> [    6.274625] iwlwifi 0000:01:00.0: 0x00000038 | BAD_COMMAND

> [    6.275034] iwlwifi 0000:01:00.0: FW error in SYNC CMD SCD_QUEUE_CFG

WTF. How did the firmware even announce support for this command??

Perhaps I missed it in the log, but which firmware are you using? Any
chance you also upgraded that? Because I can't imagine this code is new
in the tree...

Anyway, make this change:

diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index 979ac23522f2..5b8c969f457e 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -874,7 +874,7 @@ static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
 
 static inline bool iwl_mvm_is_scd_cfg_supported(struct iwl_mvm *mvm)
 {
-	return mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_API_SCD_CFG;
+	return false;
 }
 
 extern const u8 iwl_mvm_ac_to_tx_fifo[];

I guess Emmanuel will look at it on Sunday :)

johannes

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