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path: root/drivers/ata/libata-core.c
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Diffstat (limited to 'drivers/ata/libata-core.c')
-rw-r--r--drivers/ata/libata-core.c48
1 files changed, 29 insertions, 19 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 4bbe31f98ef8..48519887f94a 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -972,7 +972,7 @@ static void ata_dev_disable_pm(struct ata_device *dev)
void ata_lpm_schedule(struct ata_port *ap, enum link_pm policy)
{
ap->pm_policy = policy;
- ap->link.eh_info.action |= ATA_EHI_LPM;
+ ap->link.eh_info.action |= ATA_EH_LPM;
ap->link.eh_info.flags |= ATA_EHI_NO_AUTOPSY;
ata_port_schedule_eh(ap);
}
@@ -1416,12 +1416,12 @@ static int ata_hpa_resize(struct ata_device *dev)
/* read native max address */
rc = ata_read_native_max_address(dev, &native_sectors);
if (rc) {
- /* If HPA isn't going to be unlocked, skip HPA
- * resizing from the next try.
+ /* If device aborted the command or HPA isn't going to
+ * be unlocked, skip HPA resizing.
*/
- if (!ata_ignore_hpa) {
+ if (rc == -EACCES || !ata_ignore_hpa) {
ata_dev_printk(dev, KERN_WARNING, "HPA support seems "
- "broken, will skip HPA handling\n");
+ "broken, skipping HPA handling\n");
dev->horkage |= ATA_HORKAGE_BROKEN_HPA;
/* we can continue if device aborted the command */
@@ -2092,24 +2092,34 @@ int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
id, sizeof(id[0]) * ATA_ID_WORDS, 0);
if (err_mask) {
if (err_mask & AC_ERR_NODEV_HINT) {
- DPRINTK("ata%u.%d: NODEV after polling detection\n",
- ap->print_id, dev->devno);
+ ata_dev_printk(dev, KERN_DEBUG,
+ "NODEV after polling detection\n");
return -ENOENT;
}
- /* Device or controller might have reported the wrong
- * device class. Give a shot at the other IDENTIFY if
- * the current one is aborted by the device.
- */
- if (may_fallback &&
- (err_mask == AC_ERR_DEV) && (tf.feature & ATA_ABORTED)) {
- may_fallback = 0;
+ if ((err_mask == AC_ERR_DEV) && (tf.feature & ATA_ABORTED)) {
+ /* Device or controller might have reported
+ * the wrong device class. Give a shot at the
+ * other IDENTIFY if the current one is
+ * aborted by the device.
+ */
+ if (may_fallback) {
+ may_fallback = 0;
- if (class == ATA_DEV_ATA)
- class = ATA_DEV_ATAPI;
- else
- class = ATA_DEV_ATA;
- goto retry;
+ if (class == ATA_DEV_ATA)
+ class = ATA_DEV_ATAPI;
+ else
+ class = ATA_DEV_ATA;
+ goto retry;
+ }
+
+ /* Control reaches here iff the device aborted
+ * both flavors of IDENTIFYs which happens
+ * sometimes with phantom devices.
+ */
+ ata_dev_printk(dev, KERN_DEBUG,
+ "both IDENTIFYs aborted, assuming NODEV\n");
+ return -ENOENT;
}
rc = -EIO;