linux-kernel - Re: [PATCH v1] drivers:atlx:Use max macro

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Message-ID: <20240822125355.GP2164@kernel.org>
Date: Thu, 22 Aug 2024 13:53:55 +0100
From: Simon Horman <horms@...nel.org>
To: Yang Ruibin <11162571@...o.com>
Cc: Chris Snook <chris.snook@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, opensource.kernel@...o.com
Subject: Re: [PATCH v1] drivers:atlx:Use max macro

On Thu, Aug 22, 2024 at 05:40:28PM +0800, Yang Ruibin wrote:
> Sorry, please ignore this patch.
> Because the corresponding header file is not included, there may be
> compilation errors.

Hi Yang Ruibin,

Thanks for your patch.

Some feedback from a process point of view, for future reference.

1. Please do not top-post in emails to Kernel mailing lists.

2. As a Networking patch, that is not a bug fix, it should
   be explicitly targeted at net-next.

   Subject: [PATCH net-next] ...

3. Looking at git history, it looks like 'net: atheros: ' would be an
   appropriate prefix for this patch.

   Subject: [PATCH net-next] net: atheros: ...

Please consider reading
https://docs.kernel.org/process/maintainer-netdev.html

And please, if you do post a new version, allow 24h to pass since the you
posted this version (as described in the link above).

> 
> 在 2024/8/22 15:50, Yang Ruibin 写道:
> > Instead of using the max() implementation of
> > the ternary operator, use real macros.
> > 
> > Signed-off-by: Yang Ruibin <11162571@...o.com>
> > ---
> >   drivers/net/ethernet/atheros/atlx/atl2.c | 5 +----
> >   1 file changed, 1 insertion(+), 4 deletions(-)
> > 
> > diff --git a/drivers/net/ethernet/atheros/atlx/atl2.c b/drivers/net/ethernet/atheros/atlx/atl2.c
> > index fa9a4919f..3ff669e72 100644
> > --- a/drivers/net/ethernet/atheros/atlx/atl2.c
> > +++ b/drivers/net/ethernet/atheros/atlx/atl2.c
> > @@ -2971,10 +2971,7 @@ static void atl2_check_options(struct atl2_adapter *adapter)
> >   #endif
> >   	/* init RXD Flow control value */
> >   	adapter->hw.fc_rxd_hi = (adapter->rxd_ring_size / 8) * 7;
> > -	adapter->hw.fc_rxd_lo = (ATL2_MIN_RXD_COUNT / 8) >
> > -		(adapter->rxd_ring_size / 12) ? (ATL2_MIN_RXD_COUNT / 8) :
> > -		(adapter->rxd_ring_size / 12);
> > -
> > +	adapter->hw.fc_rxd_lo = max(ATL2_MIN_RXD_COUNT / 8, adapter->rxd_ring_size / 12);

Networking code still prefers lines to be 80 colimns wide or less.
In this case, I would suggest:

	adapter->hw.fc_rxd_lo = max(ATL2_MIN_RXD_COUNT / 8,
				    adapter->rxd_ring_size / 12);

> >   	/* Interrupt Moderate Timer */
> >   	opt.type = range_option;
> >   	opt.name = "Interrupt Moderate Timer";
>