lkml.org 
[lkml]   [2015]   [Nov]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: Grafting old platform drivers onto a new DT kernel
From
Hello,

On Thu, Nov 5, 2015 at 12:15 PM, Andrew Lunn <andrew@lunn.ch> wrote:
>> Since I don't have time to rewrite the drivers at the moment, I'm wondering
>> if it's possible to "graft" old drivers (they're using the platform API, no
>> trace of DT support) onto my small base?
>
> Platform drivers are still usable with DT systems. We used that fact
> when converting platform based machines over to DT, one driver at a
> time. Look in the git history for kirkwood devices. e.g. somewhere
> around v3.7, arch/arm/mach-kirkwood. board-dt.c, and the various
> board-*.c files, and the DT files in the usual place.
>

OMAP did the same and still some boards use platform data and manually
register platform devices from board code. Take a look to
arch/arm/mach-omap2/pdata-quirks.c to see how that is being done.

Best regards,
Javier


\
 
 \ /
  Last update: 2015-11-05 17:01    [W:0.086 / U:0.624 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site