openwrt/target/linux/oxnas/patches-5.15/999-libata-hacks.patch
John Audia 9110126620 kernel: bump 5.15 to 5.15.72
Removed upstreamed:
  generic/pending-5.15/722-net-mt7531-only-do-PLL-once-after-the-reset.patch[1]
  bcm53xx/patches-5.15/082-v6.0-clk-iproc-Do-not-rely-on-node-name-for-correct-PLL-s.patch[2]

All other patches automatically rebased

Build system: x86_64
Build-tested: bcm2711/RPi4B, mt7622/RT3200, mvebu/cortexa72
Run-tested: bcm2711/RPi4B, mt7622/RT3200, mvebu/cortexa72 (RB5009UG+S+IN)

1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.72&id=5de02ab84aeca765da0e4d8e999af35325ac67c2
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.72&id=ab5c5787ab5ecdc4a7ea20b4ef542579e1beb49d

Signed-off-by: John Audia <therealgraysky@proton.me>
2022-10-09 22:26:16 +02:00

58 lines
1.7 KiB
Diff

--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1531,6 +1531,14 @@ 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 */
qc = __ata_qc_from_tag(ap, ATA_TAG_INTERNAL);
@@ -4587,6 +4595,9 @@ 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->flags & ATA_FLAG_SAS_HOST) {
tag = ata_sas_allocate_tag(ap);
@@ -4632,6 +4643,8 @@ void ata_qc_free(struct ata_queued_cmd *
qc->tag = ATA_TAG_POISON;
if (ap->flags & ATA_FLAG_SAS_HOST)
ata_sas_free_tag(tag, ap);
+ if (ap->ops->qc_free)
+ ap->ops->qc_free(qc);
}
}
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -917,6 +917,8 @@ struct ata_port_operations {
enum ata_completion_errors (*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
@@ -1007,6 +1009,9 @@ 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.