Commit 4cdb845d authored by Binyi Han's avatar Binyi Han Committed by Greg Kroah-Hartman
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staging: qlge: Avoid multiplication while keep the same logic 



Avoid the more expensive multiplication while keep the same logic.

Signed-off-by: default avatarBinyi Han <dantengknight@gmail.com>
Link: https://lore.kernel.org/r/31fe21bf4a9e8f13cf27bd50073e9d5d197654ea.1657697683.git.dantengknight@gmail.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f39b6c58

drivers/staging/qlge/qlge_main.c

+8 −6
Original line number Diff line number Diff line
@@ -3009,9 +3009,10 @@ static int qlge_start_rx_ring(struct qlge_adapter *qdev, struct rx_ring *rx_ring 


		for (page_entries = 0;

		     page_entries < MAX_DB_PAGES_PER_BQ(QLGE_BQ_LEN);

		     page_entries++)

			base_indirect_ptr[page_entries] =

				cpu_to_le64(tmp + (page_entries * DB_PAGE_SIZE));

		     page_entries++) {

			base_indirect_ptr[page_entries] = cpu_to_le64(tmp);

			tmp += DB_PAGE_SIZE;

		}

		cqicb->lbq_addr = cpu_to_le64(rx_ring->lbq.base_indirect_dma);

		cqicb->lbq_buf_size =

			cpu_to_le16(QLGE_FIT16(qdev->lbq_buf_size));
@@ -3025,9 +3026,10 @@ static int qlge_start_rx_ring(struct qlge_adapter *qdev, struct rx_ring *rx_ring 


		for (page_entries = 0;

		     page_entries < MAX_DB_PAGES_PER_BQ(QLGE_BQ_LEN);

		     page_entries++)

			base_indirect_ptr[page_entries] =

				cpu_to_le64(tmp + (page_entries * DB_PAGE_SIZE));

		     page_entries++) {

			base_indirect_ptr[page_entries] = cpu_to_le64(tmp);

			tmp += DB_PAGE_SIZE;

		}

		cqicb->sbq_addr =

			cpu_to_le64(rx_ring->sbq.base_indirect_dma);

		cqicb->sbq_buf_size = cpu_to_le16(SMALL_BUFFER_SIZE);