netdev - Re: [PATCH V5 13/19] net: ks8851: Split out SPI specific code from probe() and remove()

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Date:   Thu, 14 May 2020 03:34:19 +0200
From:   Marek Vasut <marex@...x.de>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     netdev@...r.kernel.org, "David S . Miller" <davem@...emloft.net>,
        Lukas Wunner <lukas@...ner.de>, Petr Stetiar <ynezz@...e.cz>,
        YueHaibing <yuehaibing@...wei.com>
Subject: Re: [PATCH V5 13/19] net: ks8851: Split out SPI specific code from
 probe() and remove()

On 5/14/20 3:31 AM, Andrew Lunn wrote:
> On Thu, May 14, 2020 at 02:07:41AM +0200, Marek Vasut wrote:
>> Factor out common code into ks8851_probe_common() and
>> ks8851_remove_common() to permit both SPI and parallel
>> bus driver variants to use the common code path for
>> both probing and removal.
>>
>> There should be no functional change.
>>
>> Signed-off-by: Marek Vasut <marex@...x.de>
>> Cc: David S. Miller <davem@...emloft.net>
>> Cc: Lukas Wunner <lukas@...ner.de>
>> Cc: Petr Stetiar <ynezz@...e.cz>
>> Cc: YueHaibing <yuehaibing@...wei.com>
>> ---
>> V2: - Add RB from Andrew
>>     - Rework on top of locking patches, drop RB
>> V3: No change
>> V4: No change
>> V5: Pass message enable as parameter to common probe function,
>>     so the MODULE_* bits can be per-driver
>> ---
>>  drivers/net/ethernet/micrel/ks8851.c | 86 ++++++++++++++++------------
>>  1 file changed, 48 insertions(+), 38 deletions(-)
>>
>> diff --git a/drivers/net/ethernet/micrel/ks8851.c b/drivers/net/ethernet/micrel/ks8851.c
>> index 440ddd5cafbd..791b2f14dd9d 100644
>> --- a/drivers/net/ethernet/micrel/ks8851.c
>> +++ b/drivers/net/ethernet/micrel/ks8851.c
>> @@ -1431,27 +1431,15 @@ static int ks8851_resume(struct device *dev)
>>  
>>  static SIMPLE_DEV_PM_OPS(ks8851_pm_ops, ks8851_suspend, ks8851_resume);
>>  
>> -static int ks8851_probe(struct spi_device *spi)
>> +static int ks8851_probe_common(struct net_device *netdev, struct device *dev,
>> +			       int msg_en)
>>  {
> 
>>  
>> -	dev_info(dev, "message enable is %d\n", msg_enable);
>> +	dev_info(dev, "message enable is %d\n", msg_en);
>>  
>>  	/* set the default message enable */
>> -	ks->msg_enable = netif_msg_init(msg_enable, (NETIF_MSG_DRV |
>> -						     NETIF_MSG_PROBE |
>> -						     NETIF_MSG_LINK));
>> +	ks->msg_enable = netif_msg_init(msg_en, NETIF_MSG_DRV |
>> +						NETIF_MSG_PROBE |
>> +						NETIF_MSG_LINK);
> 
> It would of been nice to keep the name msg_en, then these changes
> would not be needed. Or is there something not visible in this patch
> which means the variable name it not usable?

I think this is just a product of the back-and-forth this patch went
through, to fix some line-over-80 issue in the previous iteration(s).

> Reviewed-by: Andrew Lunn <andrew@...n.ch>
> 
>     Andrew
>