linux-kernel - Re: [PATCH 00/71] More fixes, cleanup and modernization for NCR5380 drivers

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Message-Id: <201511201016.26302.linux@rainbow-software.org>
Date:	Fri, 20 Nov 2015 10:16:25 +0100
From:	Ondrej Zary <linux@...nbow-software.org>
To:	Finn Thain <fthain@...egraphics.com.au>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Sam Creasey <sammy@...my.net>,
	Michael Schmitz <schmitzmic@...il.com>,
	"James E.J. Bottomley" <JBottomley@...n.com>,
	linux-m68k@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/71] More fixes, cleanup and modernization for NCR5380 drivers

On Friday 20 November 2015, Finn Thain wrote:
> 
> On Thu, 19 Nov 2015, Christoph Hellwig wrote:
> 
> > On Fri, Nov 20, 2015 at 06:21:06PM +1100, Finn Thain wrote:
> >
> > > > Not sure what module was being probed here. I presume it was 
> > > > g_NCR5380 or g_NCR5380_mmio. Neither of these calls 
> > > > 'scsi_scan_host'. I'm not sure what the implications are (?)
> > > 
> > > Nevermind. The call is in scsi_module.c.
> > 
> > Which, btw really need to go away.  If you want to resurrect the
> > ISA drivers they need to be converted to proper probing.
> 
> Yes. I didn't do that conversion because I don't have ISA hardware and I 
> don't understand ISA probing.
> 
> The present patch set doesn't seek to resurrect the ISA drivers. But I am 
> trying to avoid regressions.
> 
> I have mixed feelings about the ISA drivers. ISA DMA support complicates 
> things (it was never completed) and DMA seems to be the main obstacle to 
> merging the two core driver forks.

IIRC, my ISA cards can't do DMA either.

-- 
Ondrej Zary
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