Merge branch 'master' into for-next

Fast-forwarded to current state of Linus' tree as there are patches to be
applied for files that didn't exist on the old branch.

1 files changed, 9 insertions, 7 deletions

diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index df3f3140c9c..f26f2fe3480 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -771,7 +771,7 @@ void ata_scsi_port_error_handler(struct Scsi_Host *host, struct ata_port *ap)
 		/* process port suspend request */
 		ata_eh_handle_port_suspend(ap);
 
-		/* Exception might have happend after ->error_handler
+		/* Exception might have happened after ->error_handler
 		 * recovered the port but before this point.  Repeat
 		 * EH in such case.
 		 */
@@ -1742,7 +1742,7 @@ void ata_eh_analyze_ncq_error(struct ata_link *link)
  *
  *	Analyze taskfile of @qc and further determine cause of
  *	failure.  This function also requests ATAPI sense data if
- *	avaliable.
+ *	available.
  *
  *	LOCKING:
  *	Kernel thread context (may sleep).
@@ -1893,7 +1893,7 @@ static int speed_down_verdict_cb(struct ata_ering_entry *ent, void *void_arg)
  *	   occurred during last 5 mins, NCQ_OFF.
  *
  *	3. If more than 8 ATA_BUS, TOUT_HSM or UNK_DEV errors
- *	   ocurred during last 5 mins, FALLBACK_TO_PIO
+ *	   occurred during last 5 mins, FALLBACK_TO_PIO
  *
  *	4. If more than 3 TOUT_HSM or UNK_DEV errors occurred
  *	   during last 10 mins, NCQ_OFF.
@@ -2577,7 +2577,7 @@ int ata_eh_reset(struct ata_link *link, int classify,
 	if (link->flags & ATA_LFLAG_NO_SRST)
 		softreset = NULL;
 
-	/* make sure each reset attemp is at least COOL_DOWN apart */
+	/* make sure each reset attempt is at least COOL_DOWN apart */
 	if (ehc->i.flags & ATA_EHI_DID_RESET) {
 		now = jiffies;
 		WARN_ON(time_after(ehc->last_reset, now));
@@ -2736,7 +2736,7 @@ int ata_eh_reset(struct ata_link *link, int classify,
 			if (!reset) {
 				ata_link_printk(link, KERN_ERR,
 						"follow-up softreset required "
-						"but no softreset avaliable\n");
+						"but no softreset available\n");
 				failed_link = link;
 				rc = -EINVAL;
 				goto fail;
@@ -3316,6 +3316,7 @@ static int ata_eh_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
 	struct ata_eh_context *ehc = &link->eh_context;
 	struct ata_device *dev, *link_dev = NULL, *lpm_dev = NULL;
 	enum ata_lpm_policy old_policy = link->lpm_policy;
+	bool no_dipm = ap->flags & ATA_FLAG_NO_DIPM;
 	unsigned int hints = ATA_LPM_EMPTY | ATA_LPM_HIPM;
 	unsigned int err_mask;
 	int rc;
@@ -3332,7 +3333,7 @@ static int ata_eh_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
 	 */
 	ata_for_each_dev(dev, link, ENABLED) {
 		bool hipm = ata_id_has_hipm(dev->id);
-		bool dipm = ata_id_has_dipm(dev->id);
+		bool dipm = ata_id_has_dipm(dev->id) && !no_dipm;
 
 		/* find the first enabled and LPM enabled devices */
 		if (!link_dev)
@@ -3389,7 +3390,8 @@ static int ata_eh_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
 
 	/* host config updated, enable DIPM if transitioning to MIN_POWER */
 	ata_for_each_dev(dev, link, ENABLED) {
-		if (policy == ATA_LPM_MIN_POWER && ata_id_has_dipm(dev->id)) {
+		if (policy == ATA_LPM_MIN_POWER && !no_dipm &&
+		    ata_id_has_dipm(dev->id)) {
 			err_mask = ata_dev_set_feature(dev,
 					SETFEATURES_SATA_ENABLE, SATA_DIPM);
 			if (err_mask && err_mask != AC_ERR_DEV) {