From: Grant Likely <grant.likely@secretlab.ca>
To: Scott Wood <scottwood@freescale.com>
Cc: linuxppc-dev@lists.ozlabs.org, Roman Fietze <roman.fietze@telemotive.de>
Subject: Re: [PATCH 02/13] powerpc/5200: LocalPlus driver: use SCLPC register structure
Date: Mon, 11 Jan 2010 12:59:20 -0700 [thread overview]
Message-ID: <fa686aa41001111159n664b3d44m7375b4632e196590@mail.gmail.com> (raw)
In-Reply-To: <4B4B7F13.3090809@freescale.com>
On Mon, Jan 11, 2010 at 12:42 PM, Scott Wood <scottwood@freescale.com> wrot=
e:
> Grant Likely wrote:
>>
>> Please don't. =A0I know that a lot of other 5200 code uses register map
>> structures in this way, but I consider it bad practice. =A0I coded this
>> driver without a structure for a reason. =A0The reason I haven't removed
>> the other 5200 register map structures is the code impact would be
>> huge, it would probably cause breakage, and it would break all
>> out-of-tree patches touching the same code for no measurable
>> advantage.
>
> FWIW, over on the U-Boot side patches are getting NACKed by Wolfgang if t=
hey
> don't use register structures. :-P
>
> They're nice from a type-safety and namespacing perspective, though they =
get
> ugly pretty quickly if there are gaps.
Regardless, I see no reason to change existing code in either direction.
g.
--=20
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
next prev parent reply other threads:[~2010-01-11 19:59 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-08 12:39 [PATCH] PowerPC: const intspec pointers Roman Fietze
2009-12-09 2:45 ` Benjamin Herrenschmidt
2009-12-11 6:07 ` Grant Likely
2009-12-11 6:13 ` Grant Likely
2009-12-15 10:59 ` Roman Fietze
2009-12-15 19:50 ` Grant Likely
2009-12-17 12:55 ` Roman Fietze
2009-12-22 0:11 ` Grant Likely
2009-12-22 6:55 ` [PATCH 0/13] MPC5200B LocalPlus Platform Driver Changes Roman Fietze
2009-12-22 6:57 ` [PATCH 01/13] powerpc/5200: LocalPlus driver: fix indentation and white space Roman Fietze
2010-01-11 19:06 ` Grant Likely
2009-12-22 6:59 ` [PATCH 02/13] powerpc/5200: LocalPlus driver: use SCLPC register structure Roman Fietze
2010-01-11 19:15 ` Grant Likely
2010-01-11 19:42 ` Scott Wood
2010-01-11 19:59 ` Grant Likely [this message]
2010-01-11 20:43 ` Wolfgang Denk
2010-01-11 21:20 ` Grant Likely
2010-01-12 7:06 ` Roman Fietze
2010-01-12 14:33 ` Grant Likely
2009-12-22 7:00 ` [PATCH 03/13] mpc52xx: add SCLPC register bit definitions Roman Fietze
2010-01-11 19:21 ` Grant Likely
2010-01-11 20:50 ` Wolfgang Denk
2010-01-12 7:55 ` Roman Fietze
2010-01-12 14:07 ` Grant Likely
2010-01-12 14:29 ` Grant Likely
2009-12-22 7:01 ` [PATCH 04/13] mpc52xx: LocalPlus driver: rewrite interrupt routines, fix errors Roman Fietze
2010-01-11 19:44 ` Grant Likely
2009-12-22 7:02 ` [PATCH 05/13] powerpc/5200: LocalPlus driver: fix DMA TX interrupt request Roman Fietze
2009-12-22 7:20 ` Grant Likely
2009-12-22 7:42 ` Roman Fietze
2009-12-22 7:04 ` [PATCH 06/13] powerpc/5200: LocalPlus driver: map and unmap DMA areas Roman Fietze
2010-01-11 19:57 ` Grant Likely
2009-12-22 7:05 ` [PATCH 07/13] powerpc/5200: LocalPlus driver: reset BestComm when committing new request Roman Fietze
2010-01-11 20:00 ` Grant Likely
2009-12-22 7:06 ` [PATCH 08/13] powerpc/5200: LocalPlus driver: smart flush of receive FIFO Roman Fietze
2010-01-11 20:06 ` Grant Likely
2009-12-22 7:08 ` [PATCH 09/13] powerpc/5200: LocalPlus driver: smarter calculation of BPT, bytes per transfer Roman Fietze
2010-01-11 20:15 ` Grant Likely
2009-12-22 7:09 ` [PATCH 10/13] powerpc/5200: LocalPlus driver: fix problem caused by unpredictable IRQ order Roman Fietze
2010-01-11 20:19 ` Grant Likely
2010-01-12 7:43 ` Roman Fietze
2009-12-22 7:10 ` [PATCH 11/13] powerpc/5200: LocalPlus driver: move RAM DMA address from request to driver Roman Fietze
2010-01-11 20:20 ` Grant Likely
2009-12-22 7:12 ` [PATCH 12/13] mpc52xx: add mpc5200-localplus-test LocalPlus test driver Roman Fietze
2009-12-22 7:13 ` [PATCH 13/13] powerpc/5200: LocalPlus driver: clean up comments Roman Fietze
2010-01-11 20:24 ` Grant Likely
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