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From: Joe Perches <joe@perches.com>
To: Coiby Xu <coiby.xu@gmail.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>,
	linux-staging@lists.linux.dev, netdev@vger.kernel.org,
	Benjamin Poirier <benjamin.poirier@gmail.com>,
	 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 13/19] staging: qlge: rewrite do while loop as for loop in qlge_sem_spinlock
Date: Wed, 30 Jun 2021 21:35:31 -0700	[thread overview]
Message-ID: <fe4a647d5324e9d8d23564f6d685f3ca720db166.camel@perches.com> (raw)
In-Reply-To: <20210630233338.2l34shhrm3bdd4gx@Rk>

On Thu, 2021-07-01 at 07:33 +0800, Coiby Xu wrote:
> On Wed, Jun 30, 2021 at 03:58:06AM -0700, Joe Perches wrote:
> > On Thu, 2021-06-24 at 19:22 +0800, Coiby Xu wrote:
> > > On Tue, Jun 22, 2021 at 10:20:36AM +0300, Dan Carpenter wrote:
> > > > On Mon, Jun 21, 2021 at 09:48:56PM +0800, Coiby Xu wrote:
> > > > > Since wait_count=30 > 0, the for loop is equivalent to do while
> > > > > loop. This commit also replaces 100 with UDELAY_DELAY.
> > []
> > > > > diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c
> > []
> > I also think using UDELAY_DELAY is silly and essentially misleading
> > as it's also used as an argument value for mdelay
> > 
> > $ git grep -w UDELAY_DELAY
> > drivers/staging/qlge/qlge.h:#define UDELAY_DELAY 100
> > drivers/staging/qlge/qlge_main.c:               udelay(UDELAY_DELAY);
> > drivers/staging/qlge/qlge_main.c:               udelay(UDELAY_DELAY);
> > drivers/staging/qlge/qlge_mpi.c:                mdelay(UDELAY_DELAY);
> > drivers/staging/qlge/qlge_mpi.c:                mdelay(UDELAY_DELAY);
> > drivers/staging/qlge/qlge_mpi.c:                mdelay(UDELAY_DELAY); /* 100ms */
> 
> Thanks for spotting this issue! How about "#define MDELAY_DELAY 100" for
> mdelay?

I think the define is pointless and it'd be more readable
to just use 100 in all the cases.

IMO: There really aren't enough cases to justify using defines.



  reply	other threads:[~2021-07-01  4:35 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
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 [this message]
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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