linux-kernel - Re: + pcmcia-add-support-the-cf-pcmcia-driver-for-blackfin-try-2.patch added to -mm tree

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Message-ID: <8bd0f97a0805211634r41cd2bafp94615fdfbdd4b7f7@mail.gmail.com>
Date:	Wed, 21 May 2008 19:34:28 -0400
From:	"Mike Frysinger" <vapier.adi@...il.com>
To:	"Bryan Wu" <cooloney@...nel.org>, michael.hennerich@...log.com
Cc:	akpm@...ux-foundation.org,
	"Linux Kernel List" <linux-kernel@...r.kernel.org>
Subject: Re: + pcmcia-add-support-the-cf-pcmcia-driver-for-blackfin-try-2.patch added to -mm tree

On Tue, May 20, 2008 at 3:51 AM, Bryan Wu <cooloney@...nel.org> wrote:
> On Tue, May 20, 2008 at 2:08 PM,  <akpm@...ux-foundation.org> wrote:
>> +config BFIN_CFPCMCIA
>> +       tristate "Blackfin CompactFlash PCMCIA Driver"
>> +       depends on PCMCIA && BLACKFIN
>> +       help
>> +         Say Y here to support the CompactFlash PCMCIA driver for Blackfin.

please add a common statement that tells you the module name if the
user builds it as a module.

>> + * author: Michael Hennerich (hennerich@...ckfin.uclinux.org)

shouldnt this be MODULE_AUTHOR() ?

>> +       u_int irq;
>> +       u_short cd_pfx;

u_int forms are weird ... i'd wonder why we have these variations
anywhere in the kernel

>> +static int __init bfin_cf_probe(struct platform_device *pdev)

should be __devinit

>> +       cd_pfx = platform_get_irq(pdev, 1);     /*Card Detect GPIO PIN */
>> +       if (cd_pfx > MAX_BLACKFIN_GPIOS)
>> +               return -EINVAL;
>> +
>> +       if (gpio_request(cd_pfx, "pcmcia: CD")) {

i dont think that MAX_BLACKFIN_GPIOS check is needed.  the
gpio_request() function should already be doing it.

>> +               printk(KERN_ERR
>> +                      "BF5xx flash: Failed ro request Card Detect GPIO_%d\n",

"BF5xx flash" ?

>> +       cf = kzalloc(sizeof *cf, GFP_KERNEL);
>> +       if (!cf)
>> +               return -ENOMEM;

we dont call gpio_free() here or in the fail0 case below.
-mike
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