linux-kernel - Re: [PATCH 1/3] Blackfin EMAC Driver: add proper __devinit/_

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Date:	Tue, 29 Jul 2008 11:34:56 +0800
From:	"Bryan Wu" <cooloney@...nel.org>
To:	"Paulius Zaleckas" <paulius.zaleckas@...tonika.lt>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] Blackfin EMAC Driver: add proper __devinit/__devexit markings

On Mon, Jul 28, 2008 at 11:21 PM, Paulius Zaleckas
<paulius.zaleckas@...tonika.lt> wrote:
> Bryan Wu wrote:
>>
>> From: Mike Frysinger <vapier.adi@...il.com>
>>
>> Signed-off-by: Mike Frysinger <vapier.adi@...il.com>
>> Signed-off-by: Bryan Wu <cooloney@...nel.org>
>> ---
>>  drivers/net/bfin_mac.c |    6 +++---
>>  1 files changed, 3 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
>> index 4144343..17951cb 100644
>> --- a/drivers/net/bfin_mac.c
>> +++ b/drivers/net/bfin_mac.c
>> @@ -956,7 +956,7 @@ static int bfin_mac_close(struct net_device *dev)
>>        return 0;
>>  }
>>  -static int __init bfin_mac_probe(struct platform_device *pdev)
>> +static int __devinit bfin_mac_probe(struct platform_device *pdev)
>
> __init was OK here.
> __devinit is for hotplug devices
>
>>  {
>>        struct net_device *ndev;
>>        struct bfin_mac_local *lp;
>> @@ -1082,7 +1082,7 @@ out_err_probe_mac:
>>        return rc;
>>  }
>>  -static int bfin_mac_remove(struct platform_device *pdev)
>> +static int __devexit bfin_mac_remove(struct platform_device *pdev)
>
> __devexit is for hotplug, use __exit
>
>>  {
>>        struct net_device *ndev = platform_get_drvdata(pdev);
>>        struct bfin_mac_local *lp = netdev_priv(ndev);
>> @@ -1129,7 +1129,7 @@ static int bfin_mac_resume(struct platform_device
>> *pdev)
>>   static struct platform_driver bfin_mac_driver = {
>>        .probe = bfin_mac_probe,
>
> .probe shouldn't be declared here. And you should use
> platform_device_probe() instead of platform_device_add()
>

I failed to find platform_device_probe. Could you please provide some info?
.probe and .remove is very common in platform driver interface, isn't?
I don't know any difference between platform_device_probe() and
platform_device_add().

Thanks
-Bryan

>> -       .remove = bfin_mac_remove,
>> +       .remove = __devexit_p(bfin_mac_remove),
>
> should be __exit_p()
>
>>        .resume = bfin_mac_resume,
>>        .suspend = bfin_mac_suspend,
>>        .driver = {
>
> --
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