iwlwifi: pcie: set RB chunk size back to 64

128 byte chunk size is supported only on PCIe and not
on IOSF. For now, change it back to 64 byte.

Reported-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
index a310fd265e24..509f79003241 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
@@ -801,11 +801,10 @@ static void iwl_pcie_rx_mq_hw_init(struct iwl_trans *trans)
 
         /*
          * Activate DMA snooping.
-         * Set RX DMA chunk size to 128 bit
+         * Set RX DMA chunk size to 64B
          * Default queue is 0
          */
         iwl_write_prph(trans, RFH_GEN_CFG, RFH_GEN_CFG_RFH_DMA_SNOOP |
-                       RFH_GEN_CFG_RB_CHUNK_SIZE |
                        (DEFAULT_RXQ_NUM << RFH_GEN_CFG_DEFAULT_RXQ_NUM_POS) |
                        RFH_GEN_CFG_SERVICE_DMA_SNOOP);
         /* Enable the relevant rx queues */