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iwlwifi: mvm: fix version check for GEO_TX_POWER_LIMIT support

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commit f5a47fae6a upstream.

We erroneously added a check for FW API version 41 before sending
GEO_TX_POWER_LIMIT, but this was already implemented in version 38.
Additionally, it was cherry-picked to older versions, namely 17, 26
and 29, so check for those as well.

Cc: stable@vger.kernel.org
Fixes: eca1e56cee ("iwlwifi: mvm: don't send GEO_TX_POWER_LIMIT to old firmwares")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Luca Coelho
2019-07-19 12:21:59 +03:00
committed by Greg Kroah-Hartman
parent a41636163f
commit 3f68c24920
1 changed files with 7 additions and 2 deletions
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9
drivers/net/wireless/intel/iwlwifi/mvm/fw.c
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@@ -918,9 +918,14 @@ static bool iwl_mvm_sar_geo_support(struct iwl_mvm *mvm)
* The GEO_TX_POWER_LIMIT command is not supported on earlier
* firmware versions. Unfortunately, we don't have a TLV API
* flag to rely on, so rely on the major version which is in
* the first byte of ucode_ver.
* the first byte of ucode_ver. This was implemented
* initially on version 38 and then backported to 36, 29 and
* 17.
*/
return IWL_UCODE_SERIAL(mvm->fw->ucode_ver) >= 41;
return IWL_UCODE_SERIAL(mvm->fw->ucode_ver) >= 38 ||
IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 36 ||
IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 29 ||
IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 17;
}
int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)