oxnas: switch to kernel 5.4 and remove kernel 4.14

Run-tested 5.4 on Shuttle KD20 for some days now, everything seems
fine so far. Let's have snapshot builds based on 5.4.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

1 files changed, 0 insertions, 57 deletions

diff --git a/target/linux/oxnas/patches-4.14/999-libata-hacks.patch b/target/linux/oxnas/patches-4.14/999-libata-hacks.patch
deleted file mode 100644
index 29132befb5..0000000000
--- a/target/linux/oxnas/patches-4.14/999-libata-hacks.patch
+++ /dev/null
@@ -1,57 +0,0 @@
---- a/drivers/ata/libata-core.c
-+++ b/drivers/ata/libata-core.c
-@@ -1599,6 +1599,14 @@ 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
-@@ -5131,6 +5139,9 @@ 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);
-@@ -5176,6 +5187,8 @@ 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
-@@ -919,6 +919,8 @@ 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
-@@ -1009,6 +1011,9 @@ 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.