On Mon, Dec 6, 2010 at 6:02 PM, Guenter Roeck
<guenter.ro...@ericsson.com> wrote:
> On Mon, Dec 06, 2010 at 12:40:15PM -0500, Matt Turner wrote:
>> On Mon, Dec 6, 2010 at 5:30 PM, Guenter Roeck
>> <guenter.ro...@ericsson.com> wrote:
>> > On Mon, Dec 06, 2010 at 01:38:14AM -0500, Matt Turner wrote:
>> >> From: Maciej W. Rozycki <ma...@linux-mips.org>
>> >>
>> >> This is a rewrite of large parts of the driver mainly so that it uses
>> >> SMBus interrupts to offload the CPU from busy-waiting on status inputs.
>> >> As a part of the overhaul of the init and exit calls, all accesses to the
>> >> hardware got converted to use accessory functions via an ioremap() cookie.
>> >>
>> >> Minimally rebased by Matt Turner.
>> >>
>> >> Tested-by: Matt Turner <matts...@gmail.com>
>> >> Signed-off-by: Matt Turner <matts...@gmail.com>
>> >
>> >
>> > I applied the patch to my 1480 tree. Unfortunately, it doesn't work with 
>> > my system.
>> > As far as I can see, the driver does not get any interrupts.
>> >
>> > My tree is 2.6.32, though. Do you know if I might be missing some other 
>> > relevant patch ?
>> >
>> > Thanks,
>> > Guenter
>>
>> I think this patch depends on
>> http://www.linux-mips.org/archives/linux-mips/2010-12/msg00030.html
>>
> I did apply the second patch as well, since you had mentioned it in your 
> patch.
> That did not help, though. Frankly, I don't see the dependency in the first 
> place - the other
> patch only affects drivers/rtc/rtc-m41t80.c, and I would hope that SMBus 
> support does not depend
> on an rtc driver. Am I missing something ?
>
> Thanks,
> Guenter

Indeed that does not make much sense. I really don't know. Perhaps
Maciej can shed some light on this? It certainly might be the case
that these patches haven't ever been tested on a BCM91480 before.

Matt
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