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iwlwifi: pcie: rx: use rxq queue_size instead of constant

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This is a little less efficient now as it's known to be a
multiqueue device in this function, but a future patch will
have to use a variable here anyway, so use rxq->queue_size
now instead to make it clearer.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Johannes Berg
2019-09-27 11:11:20 +02:00
committed by Luca Coelho
parent 924f838b6b
commit 5661925a9b
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/intel/iwlwifi/pcie/rx.c
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@@ -322,7 +322,7 @@ static void iwl_pcie_rxmq_restock(struct iwl_trans *trans,
WARN_ON(rxb->page_dma & DMA_BIT_MASK(12));
/* Point to Rx buffer via next RBD in circular buffer */
iwl_pcie_restock_bd(trans, rxq, rxb);
rxq->write = (rxq->write + 1) & MQ_RX_TABLE_MASK;
rxq->write = (rxq->write + 1) & (rxq->queue_size - 1);
rxq->free_count--;
}
spin_unlock(&rxq->lock);