lkml.org 
[lkml]   [2012]   [Jul]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 32/90] staging: comedi: amplc_pc236: store the pci_dev in the comedi_device
On 2012-07-19 11:30, Ian Abbott wrote:
> On 2012-07-19 02:39, H Hartley Sweeten wrote:
>> Use the hw_dev pointer in the comedi_device struct to hold the
>> pci_dev instead of carrying it in the private data.
>>
>> Since the pci_dev is no longer held in the provate data, we can
>> also cleanup the detach a bit. Remove the IS_ENABLED() tests in
>> the detach. If the pci_dev is non NULL it's a PCI device otherwise
>> it's an ISA device. Using IS_ENABLED() to omit the code paths
>> makes the code a bit confusing and doesn't save much.
>
> The detach() routine should really check thisboard->bustype for
> robustness, as NULL hw_dev doesn't necessarily mean its a PCI device.
> The original code should have checked thisboard->bustype too although it
> works by accident because dev->iobase is 0.

I can submit a patch to add thisboard->bustype checks in the detach
routine after your patch is applied.

--
-=( Ian Abbott @ MEV Ltd. E-mail: <abbotti@mev.co.uk> )=-
-=( Tel: +44 (0)161 477 1898 FAX: +44 (0)161 718 3587 )=-




\
 
 \ /
  Last update: 2012-07-19 13:21    [W:0.044 / U:0.168 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site