iwlwifi: mvm: avoid searching unnecessary columns

Don't search columns which are unlikely to succeed as previous
columns searched with less aggressive modulation failed.

Cc: <stable@vger.kernel.org> [3.14]
Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c
index b007db9cf3aa92827e791ce359ec25d3674ce10b..5cab26ecc17ad970b86882796a570d35562d72f4 100644 (file)
--- a/drivers/net/wireless/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rs.c
@@ -212,8 +212,8 @@ static const struct rs_tx_column rs_tx_columns[] = {
                        RS_COLUMN_LEGACY_ANT_B,
                        RS_COLUMN_SISO_ANT_A,
                        RS_COLUMN_SISO_ANT_B,
-                       RS_COLUMN_MIMO2,
-                       RS_COLUMN_MIMO2_SGI,
+                       RS_COLUMN_INVALID,
+                       RS_COLUMN_INVALID,
                        RS_COLUMN_INVALID,
                        RS_COLUMN_INVALID,
                },
@@ -225,8 +225,8 @@ static const struct rs_tx_column rs_tx_columns[] = {
                        RS_COLUMN_LEGACY_ANT_A,
                        RS_COLUMN_SISO_ANT_A,
                        RS_COLUMN_SISO_ANT_B,
-                       RS_COLUMN_MIMO2,
-                       RS_COLUMN_MIMO2_SGI,
+                       RS_COLUMN_INVALID,
+                       RS_COLUMN_INVALID,
                        RS_COLUMN_INVALID,
                        RS_COLUMN_INVALID,
                },
@@ -239,9 +239,9 @@ static const struct rs_tx_column rs_tx_columns[] = {
                        RS_COLUMN_MIMO2,
                        RS_COLUMN_SISO_ANT_A_SGI,
                        RS_COLUMN_SISO_ANT_B_SGI,
-                       RS_COLUMN_MIMO2_SGI,
                        RS_COLUMN_LEGACY_ANT_A,
                        RS_COLUMN_LEGACY_ANT_B,
+                       RS_COLUMN_INVALID,
                },
                .checks = {
                        rs_siso_allow,
@@ -255,9 +255,9 @@ static const struct rs_tx_column rs_tx_columns[] = {
                        RS_COLUMN_MIMO2,
                        RS_COLUMN_SISO_ANT_B_SGI,
                        RS_COLUMN_SISO_ANT_A_SGI,
-                       RS_COLUMN_MIMO2_SGI,
                        RS_COLUMN_LEGACY_ANT_A,
                        RS_COLUMN_LEGACY_ANT_B,
+                       RS_COLUMN_INVALID,
                },
                .checks = {
                        rs_siso_allow,