ide: use PIO/MMIO operations directly where possible (v2)

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}.

v2:
* updated for scc_pata

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c
index 8aaea4e..7f2090f 100644
--- a/drivers/ide/pci/ns87415.c
+++ b/drivers/ide/pci/ns87415.c
@@ -166,10 +166,10 @@
 	/* get dma command mode */
 	dma_cmd = hwif->INB(hwif->dma_command);
 	/* stop DMA */
-	hwif->OUTB(dma_cmd & ~1, hwif->dma_command);
+	outb(dma_cmd & ~1, hwif->dma_command);
 	/* from ERRATA: clear the INTR & ERROR bits */
 	dma_cmd = hwif->INB(hwif->dma_command);
-	hwif->OUTB(dma_cmd|6, hwif->dma_command);
+	outb(dma_cmd | 6, hwif->dma_command);
 	/* and free any DMA resources */
 	ide_destroy_dmatable(drive);
 	/* verify good DMA status */
@@ -243,9 +243,9 @@
 		 *      to SELECT_DRIVE() properly during first probe_hwif().
 		 */
 		timeout = 10000;
-		hwif->OUTB(12, hwif->io_ports[IDE_CONTROL_OFFSET]);
+		outb(12, hwif->io_ports[IDE_CONTROL_OFFSET]);
 		udelay(10);
-		hwif->OUTB(8, hwif->io_ports[IDE_CONTROL_OFFSET]);
+		outb(8, hwif->io_ports[IDE_CONTROL_OFFSET]);
 		do {
 			udelay(50);
 			stat = hwif->INB(hwif->io_ports[IDE_STATUS_OFFSET]);
@@ -263,7 +263,7 @@
 	if (!hwif->dma_base)
 		return;
 
-	hwif->OUTB(0x60, hwif->dma_status);
+	outb(0x60, hwif->dma_status);
 	hwif->dma_setup = &ns87415_ide_dma_setup;
 	hwif->ide_dma_check = &ns87415_ide_dma_check;
 	hwif->ide_dma_end = &ns87415_ide_dma_end;