Re: RFC: Compact Flash True IDE Mode Driver

From: Alan Cox
Date: Tue Feb 14 2006 - 11:53:12 EST


On Llu, 2006-02-13 at 11:35 +0100, Bartlomiej Zolnierkiewicz wrote:
> > +static void cfide_outsl(unsigned long port, void *addr, u32 count)
> > +{
> > + panic("outsl unsupported");
> > +}
>
> This will panic as soon as somebody tries to enable 32-bit I/O
> using hdparm. Please add ide_hwif_t.no_io_32bit flag and teach
> ide-disk.c:ide_disk_setup() about it (separate patch).

Seems a lot of effort for little reward. Just make cfide_outsl generate
word sized I/O instead. Ditto insl. Or even leave the panic. Only
superusers can hack around with that value and they can equally crash
the box a thousand other ways.

Alan

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