linux-kernel - Re: [PATCH 19/19] ide: use PIO/MMIO operations directly where possible

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Message-Id: <200706212019.18001.bzolnier@gmail.com>
Date:	Thu, 21 Jun 2007 20:19:17 +0200
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	Sergei Shtylyov <sshtylyov@...mvista.com>
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 19/19] ide: use PIO/MMIO operations directly where possible


Hi Sergei,

On Thursday 21 June 2007, Sergei Shtylyov wrote:
> Hello.
> 
> Bartlomiej Zolnierkiewicz wrote:
> > [PATCH] ide: use PIO/MMIO operations directly where possible
> 
> > This results in smaller/faster/simpler code and allows future optimizations.
> > Also remove no longer needed ide[_mm]_{inl,outl}() and ide_hwif_t.{INL,OUTL}.
> 
> > Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
> 
> > Index: a/drivers/ide/pci/hpt366.c
> > ===================================================================
> > --- a.orig/drivers/ide/pci/hpt366.c
> > +++ a/drivers/ide/pci/hpt366.c
> > @@ -836,7 +836,7 @@ static int hpt374_ide_dma_test_irq(ide_d
> >  		return 0;
> >  	}
> >  
> > -	dma_stat = hwif->INB(hwif->dma_status);
> > +	dma_stat = inb(hwif->dma_status);
> >  	/* return 1 if INTR asserted */
> >  	if (dma_stat & 4)
> >  		return 1;
> 
>     Hmm... this driver *still* has a lot more indirect I/O accessors -- I 
> wonder why only this one had been converted then?

The reason for this is that my patch was done before some of your patches
for HPT IDE driver and I never really got to doing follow-up patch.

IIRC piix.c and and tc86c100.c may also want an update.

Thanks,
Bart
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