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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>
This commit is contained in:
Sara Sharon 2016-03-02 15:17:28 +02:00 committed by Emmanuel Grumbach
parent d56daea43c
commit e5f91d91ac
1 changed files with 1 additions and 2 deletions
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3
drivers/net/wireless/intel/iwlwifi/pcie/rx.c
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@ -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 */