From: Coiby Xu <coiby.xu@gmail.com>
To: Benjamin Poirier <benjamin.poirier@gmail.com>
Cc: linux-staging@lists.linux.dev, netdev@vger.kernel.org,
Shung-Hsi Yu <shung-hsi.yu@suse.com>,
Manish Chopra <manishc@marvell.com>,
"supporter:QLOGIC QLGE 10Gb ETHERNET DRIVER"
<GR-Linux-NIC-Dev@marvell.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [RFC 12/19] staging: qlge: rewrite do while loops as for loops in qlge_start_rx_ring
Date: Thu, 24 Jun 2021 19:56:44 +0800 [thread overview]
Message-ID: <20210624115644.dmjskfsbcu7xcat5@Rk> (raw)
In-Reply-To: <YNGVEiS8mITXQ5sS@d3>
On Tue, Jun 22, 2021 at 04:45:22PM +0900, Benjamin Poirier wrote:
>On 2021-06-21 21:48 +0800, Coiby Xu wrote:
>> Since MAX_DB_PAGES_PER_BQ > 0, the for loop is equivalent to do while
>> loop.
>>
>> Signed-off-by: Coiby Xu <coiby.xu@gmail.com>
>> ---
>> drivers/staging/qlge/qlge_main.c | 10 ++++------
>> 1 file changed, 4 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c
>> index 7aee9e904097..c5e161595b1f 100644
>> --- a/drivers/staging/qlge/qlge_main.c
>> +++ b/drivers/staging/qlge/qlge_main.c
>> @@ -3029,12 +3029,11 @@ static int qlge_start_cq(struct qlge_adapter *qdev, struct qlge_cq *cq)
>> tmp = (u64)rx_ring->lbq.base_dma;
>> base_indirect_ptr = rx_ring->lbq.base_indirect;
>> page_entries = 0;
>
>This initialization can be removed now. Same thing below.
Yes, thanks for the suggestion!
>
>> - do {
>> + for (page_entries = 0; page_entries < MAX_DB_PAGES_PER_BQ; page_entries++) {
>> *base_indirect_ptr = cpu_to_le64(tmp);
>> tmp += DB_PAGE_SIZE;
>> base_indirect_ptr++;
>> - page_entries++;
>> - } while (page_entries < MAX_DB_PAGES_PER_BQ);
>> + }
>> 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));
>> @@ -3046,12 +3045,11 @@ static int qlge_start_cq(struct qlge_adapter *qdev, struct qlge_cq *cq)
>> tmp = (u64)rx_ring->sbq.base_dma;
>> base_indirect_ptr = rx_ring->sbq.base_indirect;
>> page_entries = 0;
>> - do {
>> + for (page_entries = 0; page_entries < MAX_DB_PAGES_PER_BQ; page_entries++) {
>> *base_indirect_ptr = cpu_to_le64(tmp);
>> tmp += DB_PAGE_SIZE;
>> base_indirect_ptr++;
>> - page_entries++;
>> - } while (page_entries < MAX_DB_PAGES_PER_BQ);
>> + }
>> cqicb->sbq_addr = cpu_to_le64(rx_ring->sbq.base_indirect_dma);
>> cqicb->sbq_buf_size = cpu_to_le16(QLGE_SMALL_BUFFER_SIZE);
>> cqicb->sbq_len = cpu_to_le16(QLGE_FIT16(QLGE_BQ_LEN));
>> --
>> 2.32.0
>>
--
Best regards,
Coiby
next prev parent reply other threads:[~2021-06-24 12:00 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-21 13:48 [RFC 00/19] Improve the qlge driver based on drivers/staging/qlge/TODO Coiby Xu
2021-06-21 13:48 ` [RFC 01/19] staging: qlge: fix incorrect truesize accounting Coiby Xu
2021-06-21 14:10 ` Dan Carpenter
2021-06-22 11:36 ` Coiby Xu
2021-06-23 4:55 ` Benjamin Poirier
2021-06-24 11:47 ` Coiby Xu
2021-06-28 0:14 ` Coiby Xu
2021-06-21 13:48 ` [RFC 02/19] staging: qlge: change LARGE_BUFFER_MAX_SIZE to 4096 Coiby Xu
2021-06-21 13:48 ` [RFC 03/19] staging: qlge: alloc skb with only enough room for header when data is put in the fragments Coiby Xu
2021-06-21 13:48 ` [RFC 04/19] staging: qlge: add qlge_* prefix to avoid namespace clashes Coiby Xu
2021-06-22 7:55 ` Benjamin Poirier
2021-06-24 11:34 ` Coiby Xu
2021-06-21 13:48 ` [RFC 05/19] staging: qlge: rename rx to completion queue and seperate rx_ring from completion queue Coiby Xu
2021-06-21 13:48 ` [RFC 06/19] staging: qlge: disable flow control by default Coiby Xu
2021-06-22 7:49 ` Benjamin Poirier
2021-06-24 11:33 ` Coiby Xu
2021-06-21 13:48 ` [RFC 07/19] staging: qlge: remove the TODO item of unnecessary memset 0 Coiby Xu
2021-06-21 13:48 ` [RFC 08/19] staging: qlge: reorder members of qlge_adapter for optimization Coiby Xu
2021-06-21 13:48 ` [RFC 09/19] staging: qlge: remove the TODO item of reorder struct Coiby Xu
2021-06-21 13:48 ` [RFC 10/19] staging: qlge: remove the TODO item of avoid legacy/deprecated apis Coiby Xu
2021-06-21 13:48 ` [RFC 11/19] staging: qlge: the number of pages to contain a buffer queue is constant Coiby Xu
2021-06-21 13:48 ` [RFC 12/19] staging: qlge: rewrite do while loops as for loops in qlge_start_rx_ring Coiby Xu
2021-06-22 7:45 ` Benjamin Poirier
2021-06-24 11:56 ` Coiby Xu [this message]
2021-06-21 13:48 ` [RFC 13/19] staging: qlge: rewrite do while loop as for loop in qlge_sem_spinlock Coiby Xu
2021-06-22 7:20 ` Dan Carpenter
2021-06-24 11:22 ` Coiby Xu
2021-06-30 10:58 ` Joe Perches
2021-06-30 23:33 ` Coiby Xu
2021-07-01 4:35 ` Joe Perches
2021-07-02 23:56 ` Coiby Xu
2021-06-21 13:48 ` [RFC 14/19] staging: qlge: rewrite do while loop as for loop in qlge_refill_bq Coiby Xu
2021-06-21 13:48 ` [RFC 15/19] staging: qlge: remove the TODO item about rewriting while loops as simple for loops Coiby Xu
2021-06-21 13:48 ` [RFC 16/19] staging: qlge: remove deadcode in qlge_build_rx_skb Coiby Xu
2021-06-22 7:29 ` Dan Carpenter
2021-06-24 11:25 ` Coiby Xu
2021-06-24 12:49 ` Dan Carpenter
2021-06-27 10:53 ` Coiby Xu
2021-06-28 6:46 ` Dan Carpenter
2021-06-29 13:35 ` Coiby Xu
2021-06-29 14:22 ` Dan Carpenter
2021-06-30 23:19 ` Coiby Xu
2021-06-21 13:49 ` [RFC 17/19] staging: qlge: fix weird line wrapping Coiby Xu
2021-06-22 8:46 ` Dan Carpenter
2021-06-24 11:55 ` Coiby Xu
2021-06-21 13:49 ` [RFC 18/19] staging: qlge: fix two indentation issues Coiby Xu
2021-06-21 13:49 ` [RFC 19/19] staging: qlge: remove TODO item of unnecessary runtime checks Coiby Xu
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