lkml.org 
[lkml]   [2015]   [Nov]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v4 2/5] PCI: iproc: Add PAXC interface support
From
Date
Hi Arnd,

On 11/27/2015 1:11 PM, Arnd Bergmann wrote:
> On Friday 27 November 2015 12:56:05 Ray Jui wrote:
>>>
>>> You seem to only need the identifiers in order to set a single
>>> pointer, so just point to that array directly.
>>
>> Not just a single pointer. This sets the iProc PCIe interface type,
>> which is an enum. Based on the interface type, both the iProc PCIe core
>> driver and the iProc PCIe MSI driver can 1) load the correct set of
>> register offsets; 2) skip/invoke some of the link detection, controller
>> reset related behaviors; 3) setting up the correct number of MSI event
>> queue regions and MSI address regions.
>
> Ok, fair enough. I had missed 2) and 3) here. It could still be done
> as a structure (rather than function pointers) with individual named
> members for each register offset along with bool flags for 2) and
> integers to describe 3).
>
> Please that suggestion some thought, and then decide for yourself,
> I won't complain if you keep the current version.
>
> Arnd
>

I'll definitely re-visit this when I need to add support to the next
revision of PAXC interface. At that time, what you have suggested may
become almost mandatory in order to make the core code clean and more
maintainable.

For now, I'll keep this as it is.

Thanks!

Ray


\
 
 \ /
  Last update: 2015-11-27 22:41    [W:0.092 / U:0.052 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site