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authorLuka Pivk <luka.pivk@toradex.com>2019-01-08 07:02:41 +0100
committerLuka Pivk <luka.pivk@toradex.com>2019-01-08 07:02:41 +0100
commit43f61e8df71c474cd56b5c971096b9cf8d36cd95 (patch)
tree0031be65fcc2fd2fd3eceeee9558b5526a19e431 /drivers/net/wireless/intel/iwlwifi/mvm/fw.c
parent5656ec50dc9950db865d53306326b1a732e3738e (diff)
parentc04c050f5bf98845bfe22164b8a1503d696a6e26 (diff)
Merge remote-tracking branch 'remotes/origin/linux-4.19.y'toradex_4.19.y
Signed-off-by: Luka Pivk <luka.pivk@toradex.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/fw.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/fw.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 4d49a1a3f504..16c6c7f921a8 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -868,6 +868,15 @@ static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
int ret, i, j;
u16 cmd_wide_id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT);
+ /*
+ * This 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.
+ */
+ if (IWL_UCODE_SERIAL(mvm->fw->ucode_ver) < 41)
+ return 0;
+
ret = iwl_mvm_sar_get_wgds_table(mvm);
if (ret < 0) {
IWL_DEBUG_RADIO(mvm,