linux-kernel - RE: [PATCH 1/2 v2] staging: comedi: new adl

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Message-ID: <ADE657CA350FB648AAC2C43247A983F00206AAE977F3@AUSP01VMBX24.collaborationhost.net>
Date:	Mon, 13 Aug 2012 20:36:22 -0500
From:	H Hartley Sweeten <hartleys@...ionengravers.com>
To:	Greg KH <gregkh@...uxfoundation.org>
CC:	Linux Kernel <linux-kernel@...r.kernel.org>,
	"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
	"abbotti@....co.uk" <abbotti@....co.uk>
Subject: RE: [PATCH 1/2 v2] staging: comedi: new adl_pci7x3x driver

On Monday, August 13, 2012 6:30 PM, Greg KH wrote:
> On Fri, Aug 03, 2012 at 10:28:18AM -0700, H Hartley Sweeten wrote:
>> Currently the ADLink PCI-7230 and PCI-7432 Isolated Digital
>> I/O Boards are supported using two drivers (adl_pci7230 and
>> adl_pci7432). These drivers are very similar and only differ
>> in the total number of di/do channels provided.
>> 
>> This driver combines the support for both boards into one
>> common driver. In addition, it adds PCI PnP support for the
>> other boards in the ADLink PCI-723x and PCI-743x series.
>> 
>> This driver only supports the comedi PCI auto config attach
>> mechanism. The legacy attach using the comedi_config utility
>> is not supported or required by this driver.
>
> I now get the following build warnings on my box with this patch
> applied:
>
> drivers/staging/comedi/drivers/adl_pci7x3x.c: In function ‘adl_pci7x3x_do_insn_bits’:
> drivers/staging/comedi/drivers/adl_pci7x3x.c:124:21: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
> drivers/staging/comedi/drivers/adl_pci7x3x.c: In function ‘adl_pci7x3x_di_insn_bits’:
> drivers/staging/comedi/drivers/adl_pci7x3x.c:150:21: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]

Hmm.. My build does not have the [-Wpointer-to-int-cast] for some reason
so I didn't see this. I was trying to save having to allocate any private data but
I guess it's cleaner if I do.  BTW, there is another comedi driver that does this
but I can't recall which one of the top of my head...

> Care to send a follow-on patch to fix this up?

Not a problem.

Thanks,
Hartley