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From: Andrew Lunn <andrew@lunn.ch>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Souptick Joarder <jrdr.linux@gmail.com>,
	David Daney <david.daney@cavium.com>,
	Mark Rutland <mark.rutland@arm.com>,
	linux-mips@linux-mips.org, devel@driverdev.osuosl.org,
	devicetree@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, ralf@linux-mips.org,
	Carlos Munoz <cmunoz@cavium.com>,
	Rob Herring <robh+dt@kernel.org>,
	"Steven J. Hill" <steven.hill@cavium.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Florian Fainelli <f.fainelli@gmail.com>,
	James Hogan <james.hogan@mips.com>,
	"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH v4 7/8] netdev: octeon-ethernet: Add Cavium Octeon III support.
Date: Wed, 29 Nov 2017 23:16:31 +0100	[thread overview]
Message-ID: <20171129221631.GD1706@lunn.ch> (raw)
In-Reply-To: <20171129191138.ntlfw5fb4xacwyun@mwanda>

On Wed, Nov 29, 2017 at 10:11:38PM +0300, Dan Carpenter wrote:
> On Wed, Nov 29, 2017 at 09:37:15PM +0530, Souptick Joarder wrote:
> > >> +static int bgx_port_sgmii_set_link_speed(struct bgx_port_priv *priv, struct port_status status)
> > >> +{
> > >> +       u64     data;
> > >> +       u64     prtx;
> > >> +       u64     miscx;
> > >> +       int     timeout;
> > >> +
> > 
> > >> +
> > >> +       switch (status.speed) {
> > >> +       case 10:
> > >
> > > In my opinion, instead of hard coding the value, is it fine to use ENUM ?
> >    Similar comments applicable in other places where hard coded values are used.
> > 
> 
> 10 means 10M right?  That's not really a magic number.  It's fine.

There are also :
uapi/linux/ethtool.h:#define SPEED_10		10
uapi/linux/ethtool.h:#define SPEED_100		100
uapi/linux/ethtool.h:#define SPEED_1000		1000
uapi/linux/ethtool.h:#define SPEED_10000	10000
uapi/linux/ethtool.h:#define SPEED_100000	100000

	     Andrew

WARNING: multiple messages have this Message-ID (diff)
From: Andrew Lunn <andrew@lunn.ch>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	linux-mips@linux-mips.org, devel@driverdev.osuosl.org,
	devicetree@vger.kernel.org, netdev@vger.kernel.org,
	David Daney <david.daney@cavium.com>,
	linux-kernel@vger.kernel.org, ralf@linux-mips.org,
	Carlos Munoz <cmunoz@cavium.com>,
	Rob Herring <robh+dt@kernel.org>,
	Souptick Joarder <jrdr.linux@gmail.com>,
	"Steven J. Hill" <steven.hill@cavium.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Florian Fainelli <f.fainelli@gmail.com>,
	James Hogan <james.hogan@mips.com>,
	"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH v4 7/8] netdev: octeon-ethernet: Add Cavium Octeon III support.
Date: Wed, 29 Nov 2017 23:16:31 +0100	[thread overview]
Message-ID: <20171129221631.GD1706@lunn.ch> (raw)
In-Reply-To: <20171129191138.ntlfw5fb4xacwyun@mwanda>

On Wed, Nov 29, 2017 at 10:11:38PM +0300, Dan Carpenter wrote:
> On Wed, Nov 29, 2017 at 09:37:15PM +0530, Souptick Joarder wrote:
> > >> +static int bgx_port_sgmii_set_link_speed(struct bgx_port_priv *priv, struct port_status status)
> > >> +{
> > >> +       u64     data;
> > >> +       u64     prtx;
> > >> +       u64     miscx;
> > >> +       int     timeout;
> > >> +
> > 
> > >> +
> > >> +       switch (status.speed) {
> > >> +       case 10:
> > >
> > > In my opinion, instead of hard coding the value, is it fine to use ENUM ?
> >    Similar comments applicable in other places where hard coded values are used.
> > 
> 
> 10 means 10M right?  That's not really a magic number.  It's fine.

There are also :
uapi/linux/ethtool.h:#define SPEED_10		10
uapi/linux/ethtool.h:#define SPEED_100		100
uapi/linux/ethtool.h:#define SPEED_1000		1000
uapi/linux/ethtool.h:#define SPEED_10000	10000
uapi/linux/ethtool.h:#define SPEED_100000	100000

	     Andrew

  reply	other threads:[~2017-11-29 22:16 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-29  0:55 [PATCH v4 0/8] Cavium OCTEON-III network driver David Daney
2017-11-29  0:55 ` David Daney
2017-11-29  0:55 ` [PATCH v4 1/8] dt-bindings: Add Cavium Octeon Common Ethernet Interface David Daney
2017-11-29  0:55   ` David Daney
2017-11-29  2:01   ` Andrew Lunn
2017-11-29  2:01     ` Andrew Lunn
2017-11-29  2:54     ` David Daney
2017-11-29  0:55 ` [PATCH v4 2/8] MIPS: Octeon: Enable LMTDMA/LMTST operations David Daney
2017-11-29  0:55   ` David Daney
2017-11-30 21:36   ` James Hogan
2017-11-30 21:36     ` James Hogan
2017-11-30 21:36     ` James Hogan
2017-11-30 21:49     ` David Daney
2017-11-30 21:49       ` David Daney
2017-11-30 22:56       ` James Hogan
2017-11-30 22:56         ` James Hogan
2017-11-30 23:09         ` David Daney
2017-11-30 23:09           ` David Daney
2017-11-30 23:12           ` James Hogan
2017-11-30 23:12             ` James Hogan
2017-11-30 23:12             ` James Hogan
2017-11-30 23:12             ` James Hogan
2017-11-29  0:55 ` [PATCH v4 3/8] MIPS: Octeon: Add a global resource manager David Daney
2017-11-30 22:53   ` James Hogan
2017-11-30 22:53     ` James Hogan
2017-11-30 22:53     ` James Hogan
2017-11-30 22:53     ` James Hogan
2017-12-01  1:51     ` David Daney
2017-12-01  1:51       ` David Daney
2017-12-01  7:53     ` Philippe Ombredanne
2017-12-01 17:42       ` David Daney
2017-12-01 19:49         ` Philippe Ombredanne
2017-12-01 20:01           ` David Daney
2017-12-01 20:41             ` Philippe Ombredanne
2017-12-01 20:56               ` David Daney
2017-12-01 20:56                 ` David Daney
2017-12-01 23:33                 ` Philippe Ombredanne
2017-12-01 23:33                   ` Philippe Ombredanne
2017-11-29  0:55 ` [PATCH v4 4/8] MIPS: Octeon: Add Free Pointer Unit (FPA) support David Daney
2017-11-29  0:55   ` David Daney
2017-11-29  0:55   ` David Daney
2017-11-29  0:55 ` [PATCH v4 5/8] MIPS: Octeon: Automatically provision CVMSEG space David Daney
2017-11-29  0:55   ` David Daney
2017-11-29  0:55 ` [PATCH v4 6/8] staging: octeon: Remove USE_ASYNC_IOBDMA macro David Daney
2017-11-29  0:55   ` David Daney
2017-12-07 14:28   ` Greg Kroah-Hartman
2017-12-07 14:28     ` Greg Kroah-Hartman
2017-11-29  0:55 ` [PATCH v4 7/8] netdev: octeon-ethernet: Add Cavium Octeon III support David Daney
2017-11-29 10:30   ` Souptick Joarder
2017-11-29 10:30     ` Souptick Joarder
2017-11-29 13:47     ` Andrew Lunn
2017-11-29 13:47       ` Andrew Lunn
2017-11-29 16:07     ` Souptick Joarder
2017-11-29 16:07       ` Souptick Joarder
2017-11-29 19:11       ` Dan Carpenter
2017-11-29 19:11         ` Dan Carpenter
2017-11-29 22:16         ` Andrew Lunn [this message]
2017-11-29 22:16           ` Andrew Lunn
2017-11-29 19:20       ` David Daney
2017-11-29 19:20         ` David Daney
2017-11-30  7:12         ` Souptick Joarder
2017-11-29 22:56   ` Andrew Lunn
2017-11-29 22:56     ` Andrew Lunn
2017-11-29 23:04     ` David Daney
2017-11-29 23:04       ` David Daney
2017-11-29  0:55 ` [PATCH v4 8/8] MAINTAINERS: Add entry for drivers/net/ethernet/cavium/octeon/octeon3-* David Daney
2017-11-29  0:55   ` David Daney
2017-11-29 14:18 ` [PATCH v4 0/8] Cavium OCTEON-III network driver David Miller
2017-11-29 14:18   ` David Miller

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