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From: Andrew Lunn <andrew@lunn.ch>
To: Lukas Wunner <lukas@wunner.de>
Cc: Marek Vasut <marex@denx.de>,
	netdev@vger.kernel.org, "David S . Miller" <davem@davemloft.net>,
	Petr Stetiar <ynezz@true.cz>, YueHaibing <yuehaibing@huawei.com>
Subject: Re: [PATCH 09/14] net: ks8851: Split out SPI specific entries in struct ks8851_net
Date: Tue, 24 Mar 2020 13:27:43 +0100	[thread overview]
Message-ID: <20200324122743.GT3819@lunn.ch> (raw)
In-Reply-To: <20200324104919.djfirlzgwpjr52tk@wunner.de>

On Tue, Mar 24, 2020 at 11:49:19AM +0100, Lukas Wunner wrote:
> On Tue, Mar 24, 2020 at 12:42:58AM +0100, Marek Vasut wrote:
> > +/**
> > + * struct ks8851_net_spi - KS8851 SPI driver private data
> > + * @ks8851: KS8851 driver common private data
> > + * @spidev: The spi device we're bound to.
> > + * @spi_msg1: pre-setup SPI transfer with one message, @spi_xfer1.
> > + * @spi_msg2: pre-setup SPI transfer with two messages, @spi_xfer2.
> 
> You need to remove these kerneldoc entries further up from struct ks8851_net.
> 
> 
> > +struct ks8851_net_spi {
> > +	struct ks8851_net	ks8851;	/* Must be first */
> > +	struct spi_device	*spidev;
> > +	struct spi_message	spi_msg1;
> > +	struct spi_message	spi_msg2;
> > +	struct spi_transfer	spi_xfer1;
> > +	struct spi_transfer	spi_xfer2[2];
> > +};
> > +
> > +#define to_ks8851_spi(ks) container_of((ks), struct ks8851_net_spi, ks8851)
> 
> Since it's always the first entry in the struct, a cast instead of
> container_of() would seem to be sufficient.

Hi Lukus

That is bad practice. container_of() will always get it correct,
making it safer.

       Andrew

  reply	other threads:[~2020-03-24 12:27 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-23 23:42 [PATCH 00/14] net: ks8851: Unify KS8851 SPI and MLL drivers Marek Vasut
2020-03-23 23:42 ` [PATCH 01/14] net: ks8851: Factor out spi->dev in probe()/remove() Marek Vasut
2020-03-24  1:15   ` Andrew Lunn
2020-03-24  6:46   ` Lukas Wunner
2020-03-23 23:42 ` [PATCH 02/14] net: ks8851: Replace dev_err() with netdev_err() in IRQ handler Marek Vasut
2020-03-24  1:16   ` Andrew Lunn
2020-03-23 23:42 ` [PATCH 03/14] net: ks8851: Pass device pointer into ks8851_init_mac() Marek Vasut
2020-03-24  1:06   ` Andrew Lunn
2020-03-24  7:08     ` Lukas Wunner
2020-03-23 23:42 ` [PATCH 04/14] net: ks8851: Use devm_alloc_etherdev() Marek Vasut
2020-03-24  1:19   ` Andrew Lunn
2020-03-23 23:42 ` [PATCH 05/14] net: ks8851: Use dev_{get,set}_drvdata() Marek Vasut
2020-03-24  1:22   ` Andrew Lunn
2020-03-23 23:42 ` [PATCH 06/14] net: ks8851: Remove ks8851_rdreg32() Marek Vasut
2020-03-24  1:30   ` Andrew Lunn
2020-03-24 12:34     ` Marek Vasut
2020-03-24  7:22   ` Lukas Wunner
2020-03-24 12:37     ` Marek Vasut
2020-03-23 23:42 ` [PATCH 07/14] net: ks8851: Use 16-bit writes to program MAC address Marek Vasut
2020-03-24  1:40   ` Andrew Lunn
2020-03-24  7:17   ` Michal Kubecek
2020-03-24  8:13   ` Lukas Wunner
2020-03-24 12:25     ` Andrew Lunn
2020-03-24 12:36       ` Lukas Wunner
2020-03-24 13:09         ` Marek Vasut
2020-03-24 13:31           ` Marek Vasut
2020-03-24 14:47           ` Lukas Wunner
2020-03-24 14:53             ` Marek Vasut
2020-03-23 23:42 ` [PATCH 08/14] net: ks8851: Use 16-bit read of RXFC register Marek Vasut
2020-03-24  1:50   ` Andrew Lunn
2020-03-24 12:50     ` Marek Vasut
2020-03-24 13:32       ` Andrew Lunn
2020-03-24 10:41   ` Lukas Wunner
2020-03-24 12:42     ` Marek Vasut
2020-03-23 23:42 ` [PATCH 09/14] net: ks8851: Split out SPI specific entries in struct ks8851_net Marek Vasut
2020-03-24  1:55   ` Andrew Lunn
2020-03-24 10:49   ` Lukas Wunner
2020-03-24 12:27     ` Andrew Lunn [this message]
2020-03-23 23:42 ` [PATCH 10/14] net: ks8851: Split out SPI specific code from probe() and remove() Marek Vasut
2020-03-24  1:58   ` Andrew Lunn
2020-03-23 23:43 ` [PATCH 11/14] net: ks8851: Implement register and FIFO accessor callbacks Marek Vasut
2020-03-24 13:45   ` Lukas Wunner
2020-03-24 14:10     ` Marek Vasut
2020-03-24 14:29       ` Lukas Wunner
2020-03-24 14:44         ` Marek Vasut
2020-03-29 14:22     ` Marek Vasut
2020-03-23 23:43 ` [PATCH 12/14] net: ks8851: Separate SPI operations into separate file Marek Vasut
2020-03-23 23:43 ` [PATCH 13/14] net: ks8851: Implement Parallel bus operations Marek Vasut
2020-03-24  8:16   ` kbuild test robot
2020-03-24  8:16     ` kbuild test robot
2020-03-23 23:43 ` [PATCH 14/14] net: ks8851: Remove ks8851_mll.c Marek Vasut
2020-03-24 14:08   ` Lukas Wunner
2020-03-24 14:12     ` Marek Vasut

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