Re: [PATCH 1/1] - sgiioc4: fixup use of mmio ops

[Jeff Garzik]

John Keller wrote:
> > > > -	if (!request_region(base, IOC4_CMD_CTL_BLK_SIZE, hwif->name)) {
> > > > +	cmd_phys_base = bar0 + IOC4_CMD_OFFSET;
> > > > +	if (!request_mem_region(cmd_phys_base, IOC4_CMD_CTL_BLK_SIZE,
> > > > +	    hwif->name)) {
> > > >  		printk(KERN_ERR
> > > > -			"%s : %s -- ERROR, Port Addresses "
> > > > +			"%s : %s -- ERROR, Addresses "
> > > >  			"0x%p to 0x%p ALREADY in use\n",
> > > > -		       __FUNCTION__, hwif->name, (void *) base,
> > > > -		       (void *) base + IOC4_CMD_CTL_BLK_SIZE);
> > > > +		       __FUNCTION__, hwif->name, (void *) cmd_phys_base,
> > > > +		       (void *) cmd_phys_base + IOC4_CMD_CTL_BLK_SIZE);
> > If 'void __iomem *' were used, no casts would be needed here
>
> So, 'void __iomem *' should also be used for physical (non-mapped)
> addresses, as in this case?


Ooops, no, just cookies returned from ioremap() and ioremap_nocache().

	Jeff


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