iwlwifi: pcie: fix interrupt coalescing for 7260 / 3160

[android-x86/kernel.git] / drivers / net / wireless / iwlwifi / pcie / rx.c

diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c
index 567e67a..296026b 100644 (file)
--- a/drivers/net/wireless/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/rx.c
@@ -489,6 +489,10 @@ static void iwl_pcie_rx_hw_init(struct iwl_trans *trans, struct iwl_rxq *rxq)
 
        /* Set interrupt coalescing timer to default (2048 usecs) */
        iwl_write8(trans, CSR_INT_COALESCING, IWL_HOST_INT_TIMEOUT_DEF);
+
+       /* W/A for interrupt coalescing bug in 7260 and 3160 */
+       if (trans->cfg->host_interrupt_operation_mode)
+               iwl_set_bit(trans, CSR_INT_COALESCING, IWL_HOST_INT_OPER_MODE);
 }
 
 int iwl_pcie_rx_init(struct iwl_trans *trans)