ide: move check_dma_crc() to ide-dma.c
* Move check_dma_crc() to ide-dma.c and add inline version for
CONFIG_BLK_DEV_IDEDMA=n case.
* Rename check_dma_crc() to ide_check_dma_crc().
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 7beaf1e..3cf59f2 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -819,6 +819,26 @@
return 0;
}
+void ide_check_dma_crc(ide_drive_t *drive)
+{
+ u8 mode;
+
+ ide_dma_off_quietly(drive);
+ drive->crc_count = 0;
+ mode = drive->current_speed;
+ /*
+ * Don't try non Ultra-DMA modes without iCRC's. Force the
+ * device to PIO and make the user enable SWDMA/MWDMA modes.
+ */
+ if (mode > XFER_UDMA_0 && mode <= XFER_UDMA_7)
+ mode--;
+ else
+ mode = XFER_PIO_4;
+ ide_set_xfer_rate(drive, mode);
+ if (drive->current_speed >= XFER_SW_DMA_0)
+ ide_dma_on(drive);
+}
+
#ifdef CONFIG_BLK_DEV_IDEDMA_PCI
void ide_dma_lost_irq (ide_drive_t *drive)
{