libata: kill ata_id_to_dma_mode()
ata_id_to_dma_mode() isn't quite generic. The function is basically
privately implemented ata_id_xfermask() combined with hardcoded mode
printing and configuration which are specific to ata_generic.
Kill the function and open code it in generic_set_mode() using generic
xfermode handling functions.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c
index fb5434c..d11a4f1 100644
--- a/drivers/ata/ata_generic.c
+++ b/drivers/ata/ata_generic.c
@@ -63,7 +63,22 @@
/* We do need the right mode information for DMA or PIO
and this comes from the current configuration flags */
if (dma_enabled & (1 << (5 + dev->devno))) {
- ata_id_to_dma_mode(dev, XFER_MW_DMA_0);
+ unsigned int xfer_mask = ata_id_xfermask(dev->id);
+ const char *name;
+
+ if (xfer_mask & (ATA_MASK_MWDMA | ATA_MASK_UDMA))
+ name = ata_mode_string(xfer_mask);
+ else {
+ /* SWDMA perhaps? */
+ name = "DMA";
+ xfer_mask |= ata_xfer_mode2mask(XFER_MW_DMA_0);
+ }
+
+ ata_dev_printk(dev, KERN_INFO, "configured for %s\n",
+ name);
+
+ dev->xfer_mode = ata_xfer_mask2mode(xfer_mask);
+ dev->xfer_shift = ata_xfer_mode2shift(dev->xfer_mode);
dev->flags &= ~ATA_DFLAG_PIO;
} else {
ata_dev_printk(dev, KERN_INFO, "configured for PIO\n");