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

From: Bartlomiej Zolnierkiewicz
Date: Thu Jun 21 2007 - 14:03:47 EST



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@xxxxxxxxx>
>
> > 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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