lkml.org 
[lkml]   [2006]   [Jul]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: /dev/rtc not suspending/resuming properly
On Tue 2006-07-11 11:57:43, Brad Campbell wrote:
> Pavel Machek wrote:
>
> >>I've had a pretty good look at drivers/char/rtc.c and I can't see
> >>anywhere it would actually suspend/resume in the code, and investigation
> >>shows it does not appear to re-init the hardware on resume.
> >
> >Well, you probably need to write suspend/resume support for it...
>
> So it would seem..
>
> I know absolutely nothing about the driver model (let alone C or kernel
> voodo in general) and have been investigating Documentation/driver-model.
> Would I be close if I were to suggest this needs to be a platform_driver?
> I'll certainly have a crack at it if I'm on the right track.
>
> I've been having a look at some of the other drivers that use
> platform_driver however I'm a bit stumped at how I go about iterating
> through the various sparc buses using the platform_driver resource
> allocation functions.
>
> #ifdef __sparc__
> struct linux_ebus *ebus;
> struct linux_ebus_device *edev;
> #ifdef __sparc_v9__
> struct sparc_isa_bridge *isa_br;
> struct sparc_isa_device *isa_dev;
> #endif
> #endif

So you are working on sparc?

> Or, do I just dodgy it up as the rtc is a legacy device, and leave the
> probe/allocation code alone and just add the pm stuff?

I'd do that first, to get it working...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-07-11 13:21    [W:0.067 / U:0.372 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site