sh: pci: Kill off the now unused hose->io_base.

Nothing is using this any more, so kill it off.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

arch/sh/drivers/pci/pci-sh7751.c

@@ -40,7 +40,6 @@ int __init sh7751_pci_init(struct pci_channel *chan)
 	pr_debug("PCI: Starting intialization.\n");
 
 	chan->reg_base = 0xfe200000;
-	chan->io_base = 0xfe240000;
 
 	/* check for SH7751/SH7751R hardware */
 	id = pci_read_reg(chan, SH7751_PCICONF0);
@@ -136,13 +135,6 @@ int __init sh7751_pcic_init(struct pci_channel *chan,
 	pr_debug("PCI: Setting upper bits of Memory window to 0x%x\n", word);
 	pci_write_reg(chan, word , SH4_PCIMBR);
 
-	/* Map IO space into PCI IO window:
-	 * IO addresses will be translated to the PCI IO window base address
-	 */
-	pr_debug("PCI: Mapping IO address 0x%x - 0x%x to base 0x%lx\n",
-		 chan->io_resource->start, chan->io_resource->end,
-		 chan->io_base + chan->io_resource->start);
-
 	/* Make sure the MSB's of IO window are set to access PCI space
 	 * correctly */
 	word = chan->io_resource->start & SH4_PCIIOBR_MASK;

arch/sh/drivers/pci/pci-sh7780.c

@@ -62,7 +62,6 @@ static int __init sh7780_pci_init(void)
 	printk(KERN_NOTICE "PCI: Starting intialization.\n");
 
 	chan->reg_base = 0xfe040000;
-	chan->io_base = 0xfe200000;
 
 	/* Enable CPU access to the PCIC registers. */
 	__raw_writel(PCIECR_ENBL, PCIECR);

arch/sh/include/asm/pci.h

@@ -33,7 +33,6 @@ struct pci_channel {
 	int			enabled;
 
 	unsigned long		reg_base;
-	unsigned long		io_base;
 
 	unsigned long		io_map_base;
 };