[ide] pmac: kill CONFIG_BLK_DEV_IDEDMA_PMAC_AUTO

DMA is always used by default (->autodma is never checked).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/Kconfig

@@ -772,17 +772,6 @@ config BLK_DEV_IDE_PMAC_BLINK
 	  This option enables the use of the sleep LED as a hard drive
 	  activity LED.
 
-config BLK_DEV_IDEDMA_PMAC_AUTO
-	bool "Use DMA by default"
-	depends on BLK_DEV_IDEDMA_PMAC
-	help
-	  This option allows the driver for the built-in IDE controller on
-	  Power Macintoshes and PowerBooks to use DMA automatically, without
-	  it having to be explicitly enabled.  This option is provided because
-	  of concerns about a couple of cases where using DMA on buggy PC
-	  hardware may have caused damage.  Saying Y should be safe on all
-	  Apple machines.
-
 config IDE_ARM
 	def_bool ARM && (ARCH_A5K || ARCH_CLPS7500 || ARCH_RPC || ARCH_SHARK)
 
@@ -1037,7 +1026,7 @@ config IDEDMA_IVB
 	  It is normally safe to answer Y; however, the default is N.
 
 config IDEDMA_AUTO
-	def_bool IDEDMA_PCI_AUTO || BLK_DEV_IDEDMA_PMAC_AUTO || IDEDMA_ICS_AUTO
+	def_bool IDEDMA_PCI_AUTO || IDEDMA_ICS_AUTO
 
 endif
 

drivers/ide/ppc/pmac.c

@@ -2028,13 +2028,6 @@ pmac_ide_setup_dma(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif)
 	hwif->ide_dma_timeout = &__ide_dma_timeout;
 	hwif->ide_dma_lostirq = &pmac_ide_dma_lostirq;
 
-#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC_AUTO
-	if (!noautodma)
-		hwif->autodma = 1;
-#endif
-	hwif->drives[0].autodma = hwif->autodma;
-	hwif->drives[1].autodma = hwif->autodma;
-
 	hwif->atapi_dma = 1;
 	switch(pmif->kind) {
 		case controller_un_ata6: