}
/**
- * ata_port_queue_task - Queue port_task
+ * ata_pio_queue_task - Queue port_task
* @ap: The ata_port to queue port_task for
* @fn: workqueue function to be scheduled
* @data: data for @fn to use
* one task is active at any given time.
*
* libata core layer takes care of synchronization between
- * port_task and EH. ata_port_queue_task() may be ignored for EH
+ * port_task and EH. ata_pio_queue_task() may be ignored for EH
* synchronization.
*
* LOCKING:
* Inherited from caller.
*/
-void ata_port_queue_task(struct ata_port *ap, work_func_t fn, void *data,
- unsigned long delay)
+static void ata_pio_queue_task(struct ata_port *ap, void *data,
+ unsigned long delay)
{
- PREPARE_DELAYED_WORK(&ap->port_task, fn);
ap->port_task_data = data;
/* may fail if ata_port_flush_task() in progress */
static int ata_dev_set_mode(struct ata_device *dev)
{
struct ata_eh_context *ehc = &dev->link->eh_context;
+ const char *dev_err_whine = "";
+ int ign_dev_err = 0;
unsigned int err_mask;
int rc;
err_mask = ata_dev_set_xfermode(dev);
+ if (err_mask & ~AC_ERR_DEV)
+ goto fail;
+
+ /* revalidate */
+ ehc->i.flags |= ATA_EHI_POST_SETMODE;
+ rc = ata_dev_revalidate(dev, ATA_DEV_UNKNOWN, 0);
+ ehc->i.flags &= ~ATA_EHI_POST_SETMODE;
+ if (rc)
+ return rc;
+
/* Old CFA may refuse this command, which is just fine */
if (dev->xfer_shift == ATA_SHIFT_PIO && ata_id_is_cfa(dev->id))
- err_mask &= ~AC_ERR_DEV;
+ ign_dev_err = 1;
/* Some very old devices and some bad newer ones fail any kind of
SET_XFERMODE request but support PIO0-2 timings and no IORDY */
if (dev->xfer_shift == ATA_SHIFT_PIO && !ata_id_has_iordy(dev->id) &&
dev->pio_mode <= XFER_PIO_2)
- err_mask &= ~AC_ERR_DEV;
+ ign_dev_err = 1;
/* Early MWDMA devices do DMA but don't allow DMA mode setting.
Don't fail an MWDMA0 set IFF the device indicates it is in MWDMA0 */
if (dev->xfer_shift == ATA_SHIFT_MWDMA &&
dev->dma_mode == XFER_MW_DMA_0 &&
(dev->id[63] >> 8) & 1)
- err_mask &= ~AC_ERR_DEV;
+ ign_dev_err = 1;
- if (err_mask) {
- ata_dev_printk(dev, KERN_ERR, "failed to set xfermode "
- "(err_mask=0x%x)\n", err_mask);
- return -EIO;
- }
+ /* if the device is actually configured correctly, ignore dev err */
+ if (dev->xfer_mode == ata_xfer_mask2mode(ata_id_xfermask(dev->id)))
+ ign_dev_err = 1;
- ehc->i.flags |= ATA_EHI_POST_SETMODE;
- rc = ata_dev_revalidate(dev, ATA_DEV_UNKNOWN, 0);
- ehc->i.flags &= ~ATA_EHI_POST_SETMODE;
- if (rc)
- return rc;
+ if (err_mask & AC_ERR_DEV) {
+ if (!ign_dev_err)
+ goto fail;
+ else
+ dev_err_whine = " (device error ignored)";
+ }
DPRINTK("xfer_shift=%u, xfer_mode=0x%x\n",
dev->xfer_shift, (int)dev->xfer_mode);
- ata_dev_printk(dev, KERN_INFO, "configured for %s\n",
- ata_mode_string(ata_xfer_mode2mask(dev->xfer_mode)));
+ ata_dev_printk(dev, KERN_INFO, "configured for %s%s\n",
+ ata_mode_string(ata_xfer_mode2mask(dev->xfer_mode)),
+ dev_err_whine);
+
return 0;
+
+ fail:
+ ata_dev_printk(dev, KERN_ERR, "failed to set xfermode "
+ "(err_mask=0x%x)\n", err_mask);
+ return -EIO;
}
/**
* ata_do_set_mode - Program timings and issue SET FEATURES - XFER
* @link: link on which timings will be programmed
- * @r_failed_dev: out paramter for failed device
+ * @r_failed_dev: out parameter for failed device
*
* Standard implementation of the function used to tune and set
* ATA device disk transfer mode (PIO3, UDMA6, etc.). If
/* NCQ is broken */
{ "Maxtor *", "BANC*", ATA_HORKAGE_NONCQ },
{ "Maxtor 7V300F0", "VA111630", ATA_HORKAGE_NONCQ },
- { "HITACHI HDS7250SASUN500G*", NULL, ATA_HORKAGE_NONCQ },
- { "HITACHI HDS7225SBSUN250G*", NULL, ATA_HORKAGE_NONCQ },
{ "ST380817AS", "3.42", ATA_HORKAGE_NONCQ },
{ "ST3160023AS", "3.42", ATA_HORKAGE_NONCQ },
/* Devices which report 1 sector over size HPA */
{ "ST340823A", NULL, ATA_HORKAGE_HPA_SIZE, },
{ "ST320413A", NULL, ATA_HORKAGE_HPA_SIZE, },
+ { "ST310211A", NULL, ATA_HORKAGE_HPA_SIZE, },
/* Devices which get the IVB wrong */
{ "QUANTUM FIREBALLlct10 05", "A03.0900", ATA_HORKAGE_IVB, },
* @dev: device to target
* @buf: data buffer
* @buflen: buffer length
- * @write_data: read/write
+ * @rw: read/write
*
* Transfer data from/to the device data register by PIO.
*
/* Transfer trailing 1 byte, if any. */
if (unlikely(buflen & 0x01)) {
- u16 align_buf[1] = { 0 };
+ __le16 align_buf[1] = { 0 };
unsigned char *trailing_buf = buf + buflen - 1;
if (rw == READ) {
* @dev: device to target
* @buf: data buffer
* @buflen: buffer length
- * @write_data: read/write
+ * @rw: read/write
*
* Transfer data from/to the device data register by PIO. Do the
* transfer with interrupts disabled.
msleep(2);
status = ata_busy_wait(ap, ATA_BUSY, 10);
if (status & ATA_BUSY) {
- ata_port_queue_task(ap, ata_pio_task, qc, ATA_SHORT_PAUSE);
+ ata_pio_queue_task(ap, qc, ATA_SHORT_PAUSE);
return;
}
}
ap->hsm_task_state = HSM_ST_LAST;
if (qc->tf.flags & ATA_TFLAG_POLLING)
- ata_port_queue_task(ap, ata_pio_task, qc, 0);
+ ata_pio_queue_task(ap, qc, 0);
break;
if (qc->tf.flags & ATA_TFLAG_WRITE) {
/* PIO data out protocol */
ap->hsm_task_state = HSM_ST_FIRST;
- ata_port_queue_task(ap, ata_pio_task, qc, 0);
+ ata_pio_queue_task(ap, qc, 0);
/* always send first data block using
* the ata_pio_task() codepath.
ap->hsm_task_state = HSM_ST;
if (qc->tf.flags & ATA_TFLAG_POLLING)
- ata_port_queue_task(ap, ata_pio_task, qc, 0);
+ ata_pio_queue_task(ap, qc, 0);
/* if polling, ata_pio_task() handles the rest.
* otherwise, interrupt handler takes over from here.
/* send cdb by polling if no cdb interrupt */
if ((!(qc->dev->flags & ATA_DFLAG_CDB_INTR)) ||
(qc->tf.flags & ATA_TFLAG_POLLING))
- ata_port_queue_task(ap, ata_pio_task, qc, 0);
+ ata_pio_queue_task(ap, qc, 0);
break;
case ATAPI_PROT_DMA:
/* send cdb by polling if no cdb interrupt */
if (!(qc->dev->flags & ATA_DFLAG_CDB_INTR))
- ata_port_queue_task(ap, ata_pio_task, qc, 0);
+ ata_pio_queue_task(ap, qc, 0);
break;
default:
ap->msg_enable = ATA_MSG_DRV | ATA_MSG_ERR | ATA_MSG_WARN;
#endif
- INIT_DELAYED_WORK(&ap->port_task, NULL);
+ INIT_DELAYED_WORK(&ap->port_task, ata_pio_task);
INIT_DELAYED_WORK(&ap->hotplug_task, ata_scsi_hotplug);
INIT_WORK(&ap->scsi_rescan_task, ata_scsi_dev_rescan);
INIT_LIST_HEAD(&ap->eh_done_q);
DPRINTK("probe begin\n");
for (i = 0; i < host->n_ports; i++) {
struct ata_port *ap = host->ports[i];
- int rc;
/* probe */
if (ap->ops->error_handler) {
EXPORT_SYMBOL_GPL(ata_busy_sleep);
EXPORT_SYMBOL_GPL(ata_wait_after_reset);
EXPORT_SYMBOL_GPL(ata_wait_ready);
-EXPORT_SYMBOL_GPL(ata_port_queue_task);
EXPORT_SYMBOL_GPL(ata_scsi_ioctl);
EXPORT_SYMBOL_GPL(ata_scsi_queuecmd);
EXPORT_SYMBOL_GPL(ata_scsi_slave_config);
EXPORT_SYMBOL_GPL(ata_pci_init_sff_host);
EXPORT_SYMBOL_GPL(ata_pci_init_bmdma);
EXPORT_SYMBOL_GPL(ata_pci_prepare_sff_host);
+EXPORT_SYMBOL_GPL(ata_pci_activate_sff_host);
EXPORT_SYMBOL_GPL(ata_pci_init_one);
EXPORT_SYMBOL_GPL(ata_pci_remove_one);
#ifdef CONFIG_PM
projects / linux-2.6-omap-h63xx.git / blobdiff