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

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Date:	Tue, 27 May 2008 12:15:29 +0100
From:	"Hennerich, Michael" <Michael.Hennerich@...log.com>
To:	"Mike Frysinger" <vapier.adi@...il.com>,
	"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



>-----Original Message-----
>From: Mike Frysinger [mailto:vapier.adi@...il.com]
>Sent: Donnerstag, 22. Mai 2008 01:34
>To: Bryan Wu; michael.hennerich@...log.com
>Cc: akpm@...ux-foundation.org; Linux Kernel List
>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() ?

Yes.

>
>>> +       u_int irq;
>>> +       u_short cd_pfx;
>
>u_int forms are weird ... i'd wonder why we have these variations
>anywhere in the kernel

Beauty is in the eye of the beholder... 

>
>>> +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.

Fixed.

Bryan,
 are you going to send a new patch?

-Michael

>-mike
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