From: Nicolas DET <nd@bplan-gmbh•de>
To: Grant Likely <grant.likely@secretlab•ca>
Cc: akpm@osdl•org, sl@bplan-gmbh•de, linuxppc-dev@ozlabs•org,
Paul Mackerras <paulus@samba•org>,
linuxppc-embedded@ozlabs•org, sha@pengutronix•de
Subject: Re: [PATCH] General CHRP/MPC5K2 platform support patch
Date: Thu, 26 Oct 2006 13:17:16 +0200 (MEST) [thread overview]
Message-ID: <454098AD.1080400@bplan-gmbh.de> (raw)
In-Reply-To: <528646bc0610251541s21bb45f1t6fc911778d5084@mail.gmail.com>
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Paul Mackerras wrote:
> Nicolas DET writes:
>
>> if (machine && strncmp(machine, "Pegasos", 7) == 0) {
>> _chrp_type = _CHRP_Pegasos;
>> + } else if (machine && strncmp(machine, "EFIKA5K2", 8) == 0) {
>> + _chrp_type =_CHRP_E5K2;
>
> This whole _chrp_type thing, and having to do different things based
> on the root-node model property, is really only a workaround for
> older machines with inadequate device trees. Decisions about things
> like which interrupt controller driver(s) to instantiate should be
> taken based on properties in the appropriate device-tree nodes, for
> instance the model and compatible properties in the node(s) for the
> interrupt controller(s). In fact I'd like to get rid of _chrp_type
> completely.
>
I remove this part of the patch which is only cosmetic (good CHRP name).
>> diff -uprN a/include/asm-ppc/mpc52xx.h b/include/asm-ppc/mpc52xx.h
>> --- a/include/asm-ppc/mpc52xx.h 2006-10-25 19:07:48.000000000 +0200
>> +++ b/include/asm-ppc/mpc52xx.h 2006-10-25 19:11:55.000000000 +0200
>> @@ -119,7 +119,7 @@ enum ppc_sys_devices {
>> #define MPC52xx_SDMA_IRQ_NUM 17
>> #define MPC52xx_PERP_IRQ_NUM 23
>>
>> -#define MPC52xx_CRIT_IRQ_BASE 1
>> +#define MPC52xx_CRIT_IRQ_BASE 0
>
> What is this going to do to other 52xx users?
>
IRQ 0 may cause issue in earlier kernel as far as I understood. New one,
using the new IRQ stuff, just works (at least works great here).
This is a revert change from:
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e21b9f2e9a580ce7375ec58953c1bb19aabe0db4
Regards,
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next prev parent reply other threads:[~2006-10-26 11:17 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-25 19:05 [PATCH] General CHRP/MPC5K2 platform support patch Nicolas DET
2006-10-25 21:59 ` Paul Mackerras
2006-10-25 22:41 ` Grant Likely
2006-10-25 22:59 ` Benjamin Herrenschmidt
2006-10-26 11:09 ` Nicolas DET
2006-10-26 11:17 ` Nicolas DET [this message]
2006-10-25 22:53 ` Benjamin Herrenschmidt
2006-10-26 11:09 ` Nicolas DET
2006-10-26 12:49 ` Benjamin Herrenschmidt
2006-10-26 12:59 ` Nicolas DET
2006-10-26 16:02 ` Grant Likely
2006-10-26 16:09 ` Grant Likely
2006-10-26 17:06 ` Nicolas DET
2006-10-26 17:54 ` Sylvain Munaut
2006-10-27 3:08 ` Benjamin Herrenschmidt
2006-10-26 19:14 ` Grant Likely
2006-10-26 19:21 ` Nicolas DET
2006-10-26 19:32 ` Nicolas DET
2006-10-27 2:49 ` Benjamin Herrenschmidt
2006-10-26 16:45 ` Sven Luther
2006-10-26 19:50 ` Nicolas DET
2006-10-26 20:00 ` Grant Likely
2006-10-26 20:51 ` Sylvain Munaut
2006-10-27 3:28 ` Benjamin Herrenschmidt
2006-10-27 14:52 ` Nicolas DET
2006-10-27 15:04 ` Nicolas DET
2006-10-27 17:08 ` Jon Loeliger
2006-10-28 0:27 ` Stephen Rothwell
2006-10-27 22:34 ` Benjamin Herrenschmidt
2006-10-27 22:05 ` Sylvain Munaut
2006-10-25 23:01 ` Grant Likely
2006-10-25 23:06 ` Benjamin Herrenschmidt
2006-10-25 23:13 ` Sven Luther
2006-10-26 12:09 ` Nicolas DET
2006-10-26 12:51 ` Benjamin Herrenschmidt
2006-10-26 17:17 ` John Rigby
2006-10-26 17:23 ` Nicolas DET
2006-10-26 17:33 ` Sylvain Munaut
2006-10-27 3:03 ` Benjamin Herrenschmidt
2006-10-27 2:57 ` Benjamin Herrenschmidt
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