mirror of https://github.com/hak5/openwrt-owl.git
62 lines
1.9 KiB
Diff
62 lines
1.9 KiB
Diff
Index: linux-4.0-rc4/drivers/ata/libata-core.c
|
|
===================================================================
|
|
--- linux-4.0-rc4.orig/drivers/ata/libata-core.c
|
|
+++ linux-4.0-rc4/drivers/ata/libata-core.c
|
|
@@ -1586,6 +1586,14 @@ unsigned ata_exec_internal_sg(struct ata
|
|
return AC_ERR_SYSTEM;
|
|
}
|
|
|
|
+ if (ap->ops->acquire_hw && !ap->ops->acquire_hw(ap, 0, 0)) {
|
|
+ spin_unlock_irqrestore(ap->lock, flags);
|
|
+ if (!ap->ops->acquire_hw(ap, 1, (2*HZ))) {
|
|
+ return AC_ERR_TIMEOUT;
|
|
+ }
|
|
+ spin_lock_irqsave(ap->lock, flags);
|
|
+ }
|
|
+
|
|
/* initialize internal qc */
|
|
|
|
/* XXX: Tag 0 is used for drivers with legacy EH as some
|
|
@@ -4749,6 +4757,9 @@ struct ata_queued_cmd *ata_qc_new_init(s
|
|
if (unlikely(ap->pflags & ATA_PFLAG_FROZEN))
|
|
return NULL;
|
|
|
|
+ if (ap->ops->qc_new && ap->ops->qc_new(ap))
|
|
+ return NULL;
|
|
+
|
|
/* libsas case */
|
|
if (!ap->scsi_host) {
|
|
tag = ata_sas_allocate_tag(ap);
|
|
@@ -4794,6 +4805,8 @@ void ata_qc_free(struct ata_queued_cmd *
|
|
qc->tag = ATA_TAG_POISON;
|
|
if (!ap->scsi_host)
|
|
ata_sas_free_tag(tag, ap);
|
|
+ if (ap->ops->qc_free)
|
|
+ ap->ops->qc_free(qc);
|
|
}
|
|
}
|
|
|
|
Index: linux-4.0-rc4/include/linux/libata.h
|
|
===================================================================
|
|
--- linux-4.0-rc4.orig/include/linux/libata.h
|
|
+++ linux-4.0-rc4/include/linux/libata.h
|
|
@@ -893,6 +893,8 @@ struct ata_port_operations {
|
|
void (*qc_prep)(struct ata_queued_cmd *qc);
|
|
unsigned int (*qc_issue)(struct ata_queued_cmd *qc);
|
|
bool (*qc_fill_rtf)(struct ata_queued_cmd *qc);
|
|
+ int (*qc_new)(struct ata_port *ap);
|
|
+ void (*qc_free)(struct ata_queued_cmd *qc);
|
|
|
|
/*
|
|
* Configuration and exception handling
|
|
@@ -983,6 +985,9 @@ struct ata_port_operations {
|
|
void (*phy_reset)(struct ata_port *ap);
|
|
void (*eng_timeout)(struct ata_port *ap);
|
|
|
|
+ int (*acquire_hw)(struct ata_port *ap, int may_sleep,
|
|
+ int timeout_jiffies);
|
|
+
|
|
/*
|
|
* ->inherits must be the last field and all the preceding
|
|
* fields must be pointers.
|