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From: Andrew Lunn <andrew@lunn.ch>
To: Marek Vasut <marex@denx.de>
Cc: netdev@vger.kernel.org, "David S . Miller" <davem@davemloft.net>,
	Lukas Wunner <lukas@wunner.de>, Petr Stetiar <ynezz@true.cz>,
	YueHaibing <yuehaibing@huawei.com>
Subject: Re: [PATCH 03/14] net: ks8851: Pass device pointer into ks8851_init_mac()
Date: Tue, 24 Mar 2020 02:06:22 +0100	[thread overview]
Message-ID: <20200324010622.GH3819@lunn.ch> (raw)
In-Reply-To: <20200323234303.526748-4-marex@denx.de>

On Tue, Mar 24, 2020 at 12:42:52AM +0100, Marek Vasut wrote:
> Since the driver probe function already has a struct device *dev pointer,
> pass it as a parameter to ks8851_init_mac() to avoid fishing it out via
> ks->spidev. This is the only reference to spidev in the function, so get
> rid of it. This is done in preparation for unifying the KS8851 SPI and
> parallel drivers.
> 
> No functional change.
> 
> Signed-off-by: Marek Vasut <marex@denx.de>
> Cc: David S. Miller <davem@davemloft.net>
> Cc: Lukas Wunner <lukas@wunner.de>
> Cc: Petr Stetiar <ynezz@true.cz>
> Cc: YueHaibing <yuehaibing@huawei.com>
> ---
>  drivers/net/ethernet/micrel/ks8851.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/ethernet/micrel/ks8851.c b/drivers/net/ethernet/micrel/ks8851.c
> index 8f4d7c0af723..601a74d750b2 100644
> --- a/drivers/net/ethernet/micrel/ks8851.c
> +++ b/drivers/net/ethernet/micrel/ks8851.c
> @@ -409,6 +409,7 @@ static void ks8851_read_mac_addr(struct net_device *dev)
>  /**
>   * ks8851_init_mac - initialise the mac address
>   * @ks: The device structure
> + * @ddev: The device structure pointer
>   *
>   * Get or create the initial mac address for the device and then set that
>   * into the station address register. A mac address supplied in the device
> @@ -416,12 +417,12 @@ static void ks8851_read_mac_addr(struct net_device *dev)
>   * we try that. If no valid mac address is found we use eth_random_addr()
>   * to create a new one.
>   */
> -static void ks8851_init_mac(struct ks8851_net *ks)
> +static void ks8851_init_mac(struct ks8851_net *ks, struct device *ddev)
>  {
>  	struct net_device *dev = ks->netdev;
>  	const u8 *mac_addr;
>  
> -	mac_addr = of_get_mac_address(ks->spidev->dev.of_node);
> +	mac_addr = of_get_mac_address(ddev->of_node);


Hi Marek

The name ddev is a bit odd. Looking at the code, i see why. dev is
normally a struct net_device, which this function already has.

You could avoid this oddness by directly passing of_node.

    Andrew

  reply	other threads:[~2020-03-24  1:06 UTC|newest]

Thread overview: 52+ 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 [this message]
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
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
2020-03-23 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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