linux-kernel - Re: [PATCH RFC 4/5] net: macb: Use devm_request

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Message-ID: <525DA7AE.8030102@cogentembedded.com>
Date:	Wed, 16 Oct 2013 00:38:06 +0400
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Sören Brinkmann <soren.brinkmann@...inx.com>
CC:	Nicolas Ferre <nicolas.ferre@...el.com>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Michal Simek <michal.simek@...inx.com>
Subject: Re: [PATCH RFC 4/5] net: macb: Use devm_request_irq()

On 10/16/2013 12:20 AM, Sören Brinkmann wrote:

>>> Use the device managed interface to request the IRQ, simplifying error
>>> paths.

>>> Signed-off-by: Soren Brinkmann <soren.brinkmann@...inx.com>
>>> ---
>>>   drivers/net/ethernet/cadence/macb.c | 8 +++-----
>>>   1 file changed, 3 insertions(+), 5 deletions(-)

>>> diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
>>> index 436aecc31732..603844b1d483 100644
>>> --- a/drivers/net/ethernet/cadence/macb.c
>>> +++ b/drivers/net/ethernet/cadence/macb.c
>>> @@ -1825,7 +1825,8 @@ static int __init macb_probe(struct platform_device *pdev)
>>>   	}
>>>
>>>   	dev->irq = platform_get_irq(pdev, 0);
>>> -	err = request_irq(dev->irq, macb_interrupt, 0, dev->name, dev);
>>> +	err = devm_request_irq(&pdev->dev, dev->irq, macb_interrupt, 0,
>>> +			dev->name, dev);

>>     You should start the continuation line right under &.

> Actually this one is a good example why I don't do such alignment: You
> do a simple search & replace - in this case request_irq ->
> devm_request_irq - and all alignment is gone.

    I didn't understand why this is a good example. In this case you broke the 
line yourself and did it incorrectly, not following the networking coding 
style which assumes Emacs-style alignment for broken lines.

> 	Sören

WBR, Sergei

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