diff options
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/ata_generic.c | 17 | ||||
| -rw-r--r-- | drivers/ata/libata-core.c | 43 |
2 files changed, 16 insertions, 44 deletions
diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c index fb5434c8ae6..d11a4f1fe86 100644 --- a/drivers/ata/ata_generic.c +++ b/drivers/ata/ata_generic.c @@ -63,7 +63,22 @@ static int generic_set_mode(struct ata_link *link, struct ata_device **unused) /* 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"); diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index a70ed7b3bc5..ab84772235c 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1288,48 +1288,6 @@ static int ata_hpa_resize(struct ata_device *dev) } /** - * ata_id_to_dma_mode - Identify DMA mode from id block - * @dev: device to identify - * @unknown: mode to assume if we cannot tell - * - * Set up the timing values for the device based upon the identify - * reported values for the DMA mode. This function is used by drivers - * which rely upon firmware configured modes, but wish to report the - * mode correctly when possible. - * - * In addition we emit similarly formatted messages to the default - * ata_dev_set_mode handler, in order to provide consistency of - * presentation. - */ - -void ata_id_to_dma_mode(struct ata_device *dev, u8 unknown) -{ - unsigned int mask; - u8 mode; - - /* Pack the DMA modes */ - mask = ((dev->id[63] >> 8) << ATA_SHIFT_MWDMA) & ATA_MASK_MWDMA; - if (dev->id[53] & 0x04) - mask |= ((dev->id[88] >> 8) << ATA_SHIFT_UDMA) & ATA_MASK_UDMA; - - /* Select the mode in use */ - mode = ata_xfer_mask2mode(mask); - - if (mode != 0xff) { - ata_dev_printk(dev, KERN_INFO, "configured for %s\n", - ata_mode_string(mask)); - } else { - /* SWDMA perhaps ? */ - mode = unknown; - ata_dev_printk(dev, KERN_INFO, "configured for DMA\n"); - } - - /* Configure the device reporting */ - dev->xfer_mode = mode; - dev->xfer_shift = ata_xfer_mode2shift(mode); -} - -/** * ata_noop_dev_select - Select device 0/1 on ATA bus * @ap: ATA channel to manipulate * @device: ATA device (numbered from zero) to select @@ -7653,7 +7611,6 @@ EXPORT_SYMBOL_GPL(ata_host_resume); #endif /* CONFIG_PM */ EXPORT_SYMBOL_GPL(ata_id_string); EXPORT_SYMBOL_GPL(ata_id_c_string); -EXPORT_SYMBOL_GPL(ata_id_to_dma_mode); EXPORT_SYMBOL_GPL(ata_scsi_simulate); EXPORT_SYMBOL_GPL(ata_pio_need_iordy); |