linux-kernel - Re: [RFC PATCH 76/71] ncr5380: Enable PDMA for DTC chips

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Message-ID: <alpine.LNX.2.00.1512051246540.31458@nippy.intranet>
Date:	Sat, 5 Dec 2015 13:12:12 +1100 (AEDT)
From:	Finn Thain <fthain@...egraphics.com.au>
To:	Julian Calaby <julian.calaby@...il.com>
cc:	Ondrej Zary <linux@...nbow-software.org>,
	Michael Schmitz <schmitzmic@...il.com>,
	linux-m68k@...r.kernel.org,
	linux-scsi <linux-scsi@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH 76/71] ncr5380: Enable PDMA for DTC chips


On Sat, 5 Dec 2015, Julian Calaby wrote:

> Hi Finn,
> 
> On Fri, Dec 4, 2015 at 7:38 PM, Finn Thain <fthain@...egraphics.com.au> wrote:
> >
> > On Fri, 4 Dec 2015, Julian Calaby wrote:
> >
> >> > -               if (overrides[current_override].board == BOARD_NCR53C400A) {
> >> > +               if (overrides[current_override].board == BOARD_NCR53C400A ||
> >> > +                   overrides[current_override].board == BOARD_DTC3181E) {
> >>
> >> These if statements are starting to get a bit long, would it make
> >> sense to replace them with a flag or equivalent?
> >
> > To what end? Shorter lines? As in,
> 
> Pretty much, each expression is quite long and they seem to be growing 
> fairly rapidly as you and Ondrej discover similar boards.

Each BOARD_* macro actually refers to a whole category of devices. No new 
boards, devices or categories of devices have been discovered.

Ondrej is enabling and/or fixing PDMA functionality for three existing 
device categories, for which the driver already has a nominally compatible 
PDMA implementation.

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