[PATCH] fix build with CONFIG_BLK_DEV_IDEDMA=n (once again)

My "__ide_dma_off()" cleanup uncovered some code that shouldn't be compiled
when CONFIG_BLK_DEV_IDEDMA=n.  Fix it and kill a warning in setup-pci.c.

Noticed by Martin Diehl <lists@mdiehl.de>.

drivers/ide/ide-iops.c

@@ -1125,16 +1125,17 @@ static ide_startstop_t reset_pollfunc (ide_drive_t *drive)
 	return ide_stopped;
 }
 
-void check_dma_crc (ide_drive_t *drive)
+static void check_dma_crc(ide_drive_t *drive)
 {
+#ifdef CONFIG_BLK_DEV_IDEDMA
 	if (drive->crc_count) {
 		(void) HWIF(drive)->ide_dma_off_quietly(drive);
 		ide_set_xfer_rate(drive, ide_auto_reduce_xfer(drive));
 		if (drive->current_speed >= XFER_SW_DMA_0)
 			(void) HWIF(drive)->ide_dma_on(drive);
-	} else {
+	} else
 		(void)__ide_dma_off(drive);
-	}
+#endif
 }
 
 void pre_reset (ide_drive_t *drive)

drivers/ide/ide.c

@@ -1320,6 +1320,7 @@ static int set_io_32bit(ide_drive_t *drive, int arg)
 
 static int set_using_dma (ide_drive_t *drive, int arg)
 {
+#ifdef CONFIG_BLK_DEV_IDEDMA
 	if (!drive->id || !(drive->id->capability & 1))
 		return -EPERM;
 	if (HWIF(drive)->ide_dma_check == NULL)
@@ -1332,6 +1333,9 @@ static int set_using_dma (ide_drive_t *drive, int arg)
 			return -EIO;
 	}
 	return 0;
+#else
+	return -EPERM;
+#endif
 }
 
 static int set_pio_mode (ide_drive_t *drive, int arg)

drivers/ide/setup-pci.c

@@ -150,6 +150,8 @@ static int ide_setup_pci_baseregs (struct pci_dev *dev, const char *name)
 	return 0;
 }
 
+#ifdef CONFIG_BLK_DEV_IDEDMA_PCI
+
 #ifdef CONFIG_BLK_DEV_IDEDMA_FORCED
 /*
  * Long lost data from 2.0.34 that is now in 2.0.39
@@ -279,6 +281,7 @@ static unsigned long ide_get_or_set_dma_base (ide_hwif_t *hwif)
 	}
 	return dma_base;
 }
+#endif /* CONFIG_BLK_DEV_IDEDMA_PCI */
 
 void ide_setup_pci_noise (struct pci_dev *dev, ide_pci_device_t *d)
 {

include/linux/ide.h

@@ -1626,6 +1626,9 @@ extern ide_startstop_t __ide_dma_queued_read(ide_drive_t *drive);
 extern ide_startstop_t __ide_dma_queued_write(ide_drive_t *drive);
 extern ide_startstop_t __ide_dma_queued_start(ide_drive_t *drive);
 #endif
+
+#else
+static inline int __ide_dma_off(ide_drive_t *drive) { return 0; }
 #endif /* CONFIG_BLK_DEV_IDEDMA */
 
 #ifndef CONFIG_BLK_DEV_IDEDMA_PCI