kernel: delete Linux 5.4 config and patches

As the upcoming release will be based on Linux 5.10 only, remove all
kernel configuration as well as patches for Linux 5.4.
There were no targets still actively using Linux 5.4.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 3a14580411adfb75f9a44eded9f41245b9e44606)

1 files changed, 0 insertions, 54 deletions

diff --git a/target/linux/layerscape/patches-5.4/701-net-0004-soc-fsl-qman-portal-map-CENA-area-in-the-iommu.patch b/target/linux/layerscape/patches-5.4/701-net-0004-soc-fsl-qman-portal-map-CENA-area-in-the-iommu.patch
deleted file mode 100644
index b29964204d..0000000000
--- a/target/linux/layerscape/patches-5.4/701-net-0004-soc-fsl-qman-portal-map-CENA-area-in-the-iommu.patch
+++ /dev/null
@@ -1,54 +0,0 @@
-From 488b62aa444440690708e5ea823bb0d54c296c4f Mon Sep 17 00:00:00 2001
-From: Laurentiu Tudor <laurentiu.tudor@nxp.com>
-Date: Tue, 3 Apr 2018 18:18:30 +0300
-Subject: [PATCH] soc/fsl/qman-portal: map CENA area in the iommu
-
-Add a one-to-one iommu mapping for qman portal CENA register area.
-This is required for QMAN stashing to work without faults behind
-an iommu.
-
-Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
----
- drivers/soc/fsl/qbman/qman_portal.c | 17 +++++++++++++++++
- 1 file changed, 17 insertions(+)
-
---- a/drivers/soc/fsl/qbman/qman_portal.c
-+++ b/drivers/soc/fsl/qbman/qman_portal.c
-@@ -29,6 +29,7 @@
-  */
- 
- #include "qman_priv.h"
-+#include <linux/iommu.h>
- 
- struct qman_portal *qman_dma_portal;
- EXPORT_SYMBOL(qman_dma_portal);
-@@ -231,6 +232,7 @@ static int qman_portal_probe(struct plat
- {
- 	struct device *dev = &pdev->dev;
- 	struct device_node *node = dev->of_node;
-+	struct iommu_domain *domain;
- 	struct qm_portal_config *pcfg;
- 	struct resource *addr_phys[2];
- 	int irq, cpu, err, i;
-@@ -294,6 +296,21 @@ static int qman_portal_probe(struct plat
- 		goto err_ioremap2;
- 	}
- 
-+	/* Create an 1-to-1 iommu mapping for cena portal area */
-+	domain = iommu_get_domain_for_dev(dev);
-+	if (domain) {
-+		/*
-+		 * Note: not mapping this as cacheable triggers the infamous
-+		 * QMan CIDE error.
-+		 */
-+		err = iommu_map(domain,
-+				addr_phys[0]->start, addr_phys[0]->start,
-+				resource_size(addr_phys[0]),
-+				IOMMU_READ | IOMMU_WRITE | IOMMU_CACHE);
-+		if (err)
-+			dev_warn(dev, "failed to iommu_map() %d\n", err);
-+	}
-+
- 	pcfg->pools = qm_get_pools_sdqcr();
- 
- 	spin_lock(&qman_lock);