linux-kernel - Re: [PATCH v2 00/12] scsi/NCR5380: fix debugging macros and #include structure

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Date:	Sat, 26 Apr 2014 10:21:03 -0700
From:	James Bottomley <James.Bottomley@...senPartnership.com>
To:	Finn Thain <fthain@...egraphics.com.au>
Cc:	linux-scsi@...r.kernel.org, Sam Creasey <sammy@...my.net>,
	Russell King <linux@....linux.org.uk>,
	Michael Schmitz <schmitz@...ian.org>,
	Joe Perches <joe@...ches.com>, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-m68k@...r.kernel.org
Subject: Re: [PATCH v2 00/12] scsi/NCR5380: fix debugging macros and
 #include structure

On Wed, 2014-03-19 at 23:35 +1100, Finn Thain wrote:
> This patch series addresses several issues with NCR5380 drivers:
> 
> 1. The complex network of #include directives.
> 
> 2. Three inconsistent implementations of the core driver all attempting
>    to share the same macro definitions in NCR5380.h.
> 
> 3. Broken debugging code.
> 
> In the past these issues have led to compiler warnings and ugly hacks to
> fix build failures.
> 
> This patch series fixes the debugging code by reducing the divergence
> between the various core driver implementations.
> 
> The final two patches in the series further reduce divergence by refactoring
> sun3_scsi.c and sun3_scsi_vme.c so that they follow the same structure as
> the other NCR5380 drivers.
> 
> By the end of this patch series over 800 net lines of code have been
> removed. This is mostly duplicated code that's easily eliminated once the
> debugging code is made consistent (and some dead code is removed).
> 
> Better uniformity and less duplication should assist future work such as
> modernization and trivial clean-up.
> 
> To make code review easier I've tried to keep these patches succinct and
> free of extraneous changes. Though I did run checkpatch.pl, I've ignored
> whitespace issues in existing code. I will send separate patches for
> whitespace clean-up of NCR5380 drivers.
> 
> All NCR5380 drivers have been compile-tested with this patch series:
>   arm/cumana_1.c
>   arm/oak.c
>   atari_scsi.c
>   dmx3191d.c
>   dtc.c
>   g_NCR5380.c
>   g_NCR5380_mmio.c
>   mac_scsi.c
>   pas16.c
>   sun3_scsi.c
>   sun3_scsi_vme.c
>   t128.c
> 
> I've successfully regression tested this patch series using mac_scsi on a 
> PowerBook 180. The debugging macros are now usable again.

OK, so this is a pretty big change to an unmaintained driver.  I'll take
it if you're willing to maintain the driver afterwards ... in which case
I need another patch to add you to the MAINTAINERS file.

James


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