iwlwifi: mvm: remove unneeded reg write in iwl_mvm_up()

Not only that this write is not needed (as FW does this
itself), on newer HW this register is write protected
so trying to write there will cause problems.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-prph.h b/drivers/net/wireless/intel/iwlwifi/iwl-prph.h
index e1aa1f7..4bceacc 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/iwl-prph.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-prph.h
@@ -294,9 +294,6 @@
 
 /*********************** END TX SCHEDULER *************************************/
 
-/* tcp checksum offload */
-#define RX_EN_CSUM             (0x00a00d88)
-
 /* Oscillator clock */
 #define OSC_CLK                                (0xa04068)
 #define OSC_CLK_FORCE_CONTROL          (0x8)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 2a4c952..bfccbad 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -1475,10 +1475,6 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
                        goto error;
        }
 
-       if (iwl_mvm_is_csum_supported(mvm) &&
-           mvm->cfg->features & NETIF_F_RXCSUM)
-               iwl_trans_write_prph(mvm->trans, RX_EN_CSUM, 0x3);
-
        /* allow FW/transport low power modes if not during restart */
        if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
                iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);