Re: [PATCH] /drivers/char sx.c ioremap -> pci_ioremap api

[Alan Cox]

On Fri, 24 Aug 2007 22:03:42 +0200
Jiri Slaby <jirislaby@xxxxxxxxx> wrote:

> Alan Cox napsal(a):
> > ase, 0x80);
> >> remove also the hwbase var.
> >>
> >>> +	rebase = pci_iomap(pdev, 0, 0x80);
> >>>   	t = readl(rebase + CNTRL_REG_OFFSET);
> > 
> > Switch to ioread* if you are using the iomap interface. Its not a trivial
> 
> Why, if you know it's surely a mem region (and thus you rely on it and do
> ioremap)? There are many places in the kernel, where this approach is used, e.g.
> libata piix.

Every single one of them is wrong. The encoding of iomap values is
platform dependant. Fixed in my tree.
> 
> > conversion and its slower and bulkier - the original ioremap was much
> > better
> 
> at least get rid of the reading the hwbase address from pci conf space, use
> pci_resource_start instead.

Agreed entirely
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