ide: add hwif->ack_intr hook

* Add hwif->ack_intr hook and use it instead of hwif->hw.ack_intr.

* Add missing brackets to cris-v32 and powerpc ide_ack_intr() macros.

Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide.c

@@ -737,6 +737,7 @@ found:
 	hwif->fixup = fixup;
 	hwif->chipset = hw->chipset;
 	hwif->gendev.parent = hw->dev;
+	hwif->ack_intr = hw->ack_intr;
 
 	if (initializing == 0) {
 		u8 idx[4] = { index, 0xff, 0xff, 0xff };

drivers/ide/ppc/mpc8xx.c

@@ -316,8 +316,8 @@ m8xx_ide_init_hwif_ports(hw_regs_t *hw, unsigned long data_port,
 
 	ide_hwifs[data_port].pio_mask = ATA_PIO4;
 	ide_hwifs[data_port].set_pio_mode = m8xx_ide_set_pio_mode;
+	ide_hwifs[data_port].ack_intr = (ide_ack_intr_t *)ide_interrupt_ack;
 
-	hw->ack_intr = (ide_ack_intr_t *) ide_interrupt_ack;
 	/* Enable Harddisk Interrupt,
 	 * and make it edge sensitive
 	 */
@@ -402,8 +402,8 @@ void m8xx_ide_init_hwif_ports (hw_regs_t *hw,
 
 	ide_hwifs[data_port].pio_mask = ATA_PIO4;
 	ide_hwifs[data_port].set_pio_mode = m8xx_ide_set_pio_mode;
+	ide_hwifs[data_port].ack_intr = (ide_ack_intr_t *)ide_interrupt_ack;
 
-	hw->ack_intr = (ide_ack_intr_t *) ide_interrupt_ack;
 	/* Enable Harddisk Interrupt,
 	 * and make it edge sensitive
 	 */