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, 252 deletions

diff --git a/target/linux/layerscape/patches-5.4/821-vfio-0001-vfio-fsl-mc-Add-VFIO-framework-skeleton-for-fsl-mc-d.patch b/target/linux/layerscape/patches-5.4/821-vfio-0001-vfio-fsl-mc-Add-VFIO-framework-skeleton-for-fsl-mc-d.patch
deleted file mode 100644
index c752b963a8..0000000000
--- a/target/linux/layerscape/patches-5.4/821-vfio-0001-vfio-fsl-mc-Add-VFIO-framework-skeleton-for-fsl-mc-d.patch
+++ /dev/null
@@ -1,252 +0,0 @@
-From 8b9efd00727523c56eb9d17ad42338b6090b4b8e Mon Sep 17 00:00:00 2001
-From: Bharat Bhushan <Bharat.Bhushan@nxp.com>
-Date: Fri, 12 May 2017 10:27:07 +0530
-Subject: [PATCH] vfio/fsl-mc: Add VFIO framework skeleton for fsl-mc devices
-
-This patch adds the infrastructure for VFIO support for fsl-mc
-devices. Subsequent patches will add support for binding and secure
-assigning these devices using VFIO.
-
-FSL-MC is a new bus (driver/bus/fsl-mc/) which is different
-from PCI and Platform bus.
-
-Signed-off-by: Bharat Bhushan <Bharat.Bhushan@nxp.com>
-Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
----
- drivers/vfio/Kconfig                      |   1 +
- drivers/vfio/Makefile                     |   1 +
- drivers/vfio/fsl-mc/Kconfig               |   9 ++
- drivers/vfio/fsl-mc/Makefile              |   2 +
- drivers/vfio/fsl-mc/vfio_fsl_mc.c         | 162 ++++++++++++++++++++++++++++++
- drivers/vfio/fsl-mc/vfio_fsl_mc_private.h |  14 +++
- include/uapi/linux/vfio.h                 |   1 +
- 7 files changed, 190 insertions(+)
- create mode 100644 drivers/vfio/fsl-mc/Kconfig
- create mode 100644 drivers/vfio/fsl-mc/Makefile
- create mode 100644 drivers/vfio/fsl-mc/vfio_fsl_mc.c
- create mode 100644 drivers/vfio/fsl-mc/vfio_fsl_mc_private.h
-
---- a/drivers/vfio/Kconfig
-+++ b/drivers/vfio/Kconfig
-@@ -47,4 +47,5 @@ config VFIO_NOIOMMU
- source "drivers/vfio/pci/Kconfig"
- source "drivers/vfio/platform/Kconfig"
- source "drivers/vfio/mdev/Kconfig"
-+source "drivers/vfio/fsl-mc/Kconfig"
- source "virt/lib/Kconfig"
---- a/drivers/vfio/Makefile
-+++ b/drivers/vfio/Makefile
-@@ -9,3 +9,4 @@ obj-$(CONFIG_VFIO_SPAPR_EEH) += vfio_spa
- obj-$(CONFIG_VFIO_PCI) += pci/
- obj-$(CONFIG_VFIO_PLATFORM) += platform/
- obj-$(CONFIG_VFIO_MDEV) += mdev/
-+obj-$(CONFIG_VFIO_FSL_MC) += fsl-mc/
---- /dev/null
-+++ b/drivers/vfio/fsl-mc/Kconfig
-@@ -0,0 +1,9 @@
-+config VFIO_FSL_MC
-+	tristate "VFIO support for QorIQ DPAA2 fsl-mc bus devices"
-+	depends on VFIO && FSL_MC_BUS && EVENTFD
-+	help
-+	  Driver to enable support for the VFIO QorIQ DPAA2 fsl-mc
-+	  (Management Complex) devices. This is required to passthrough
-+	  fsl-mc bus devices using the VFIO framework.
-+
-+	  If you don't know what to do here, say N.
---- /dev/null
-+++ b/drivers/vfio/fsl-mc/Makefile
-@@ -0,0 +1,2 @@
-+vfio-fsl_mc-y := vfio_fsl_mc.o
-+obj-$(CONFIG_VFIO_FSL_MC) += vfio_fsl_mc.o
---- /dev/null
-+++ b/drivers/vfio/fsl-mc/vfio_fsl_mc.c
-@@ -0,0 +1,162 @@
-+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
-+/*
-+ * Copyright 2013-2016 Freescale Semiconductor Inc.
-+ * Copyright 2016-2017,2019 NXP
-+ */
-+
-+#include <linux/device.h>
-+#include <linux/iommu.h>
-+#include <linux/module.h>
-+#include <linux/mutex.h>
-+#include <linux/slab.h>
-+#include <linux/types.h>
-+#include <linux/vfio.h>
-+#include <linux/fsl/mc.h>
-+
-+#include "vfio_fsl_mc_private.h"
-+
-+
-+static int vfio_fsl_mc_open(void *device_data)
-+{
-+	if (!try_module_get(THIS_MODULE))
-+		return -ENODEV;
-+
-+	return 0;
-+}
-+
-+static void vfio_fsl_mc_release(void *device_data)
-+{
-+	module_put(THIS_MODULE);
-+}
-+
-+static long vfio_fsl_mc_ioctl(void *device_data, unsigned int cmd,
-+			      unsigned long arg)
-+{
-+	switch (cmd) {
-+	case VFIO_DEVICE_GET_INFO:
-+	{
-+		return -EINVAL;
-+	}
-+	case VFIO_DEVICE_GET_REGION_INFO:
-+	{
-+		return -EINVAL;
-+	}
-+	case VFIO_DEVICE_GET_IRQ_INFO:
-+	{
-+		return -EINVAL;
-+	}
-+	case VFIO_DEVICE_SET_IRQS:
-+	{
-+		return -EINVAL;
-+	}
-+	case VFIO_DEVICE_RESET:
-+	{
-+		return -EINVAL;
-+	}
-+	default:
-+		return -EINVAL;
-+	}
-+}
-+
-+static ssize_t vfio_fsl_mc_read(void *device_data, char __user *buf,
-+				size_t count, loff_t *ppos)
-+{
-+	return -EINVAL;
-+}
-+
-+static ssize_t vfio_fsl_mc_write(void *device_data, const char __user *buf,
-+				 size_t count, loff_t *ppos)
-+{
-+	return -EINVAL;
-+}
-+
-+static int vfio_fsl_mc_mmap(void *device_data, struct vm_area_struct *vma)
-+{
-+	return -EINVAL;
-+}
-+
-+static const struct vfio_device_ops vfio_fsl_mc_ops = {
-+	.name		= "vfio-fsl-mc",
-+	.open		= vfio_fsl_mc_open,
-+	.release	= vfio_fsl_mc_release,
-+	.ioctl		= vfio_fsl_mc_ioctl,
-+	.read		= vfio_fsl_mc_read,
-+	.write		= vfio_fsl_mc_write,
-+	.mmap		= vfio_fsl_mc_mmap,
-+};
-+
-+static int vfio_fsl_mc_probe(struct fsl_mc_device *mc_dev)
-+{
-+	struct iommu_group *group;
-+	struct vfio_fsl_mc_device *vdev;
-+	struct device *dev = &mc_dev->dev;
-+	int ret;
-+
-+	group = vfio_iommu_group_get(dev);
-+	if (!group) {
-+		dev_err(dev, "%s: VFIO: No IOMMU group\n", __func__);
-+		return -EINVAL;
-+	}
-+
-+	vdev = devm_kzalloc(dev, sizeof(*vdev), GFP_KERNEL);
-+	if (!vdev) {
-+		vfio_iommu_group_put(group, dev);
-+		return -ENOMEM;
-+	}
-+
-+	vdev->mc_dev = mc_dev;
-+
-+	ret = vfio_add_group_dev(dev, &vfio_fsl_mc_ops, vdev);
-+	if (ret) {
-+		dev_err(dev, "%s: Failed to add to vfio group\n", __func__);
-+		vfio_iommu_group_put(group, dev);
-+		return ret;
-+	}
-+
-+	return ret;
-+}
-+
-+static int vfio_fsl_mc_remove(struct fsl_mc_device *mc_dev)
-+{
-+	struct vfio_fsl_mc_device *vdev;
-+	struct device *dev = &mc_dev->dev;
-+
-+	vdev = vfio_del_group_dev(dev);
-+	if (!vdev)
-+		return -EINVAL;
-+
-+	vfio_iommu_group_put(mc_dev->dev.iommu_group, dev);
-+	devm_kfree(dev, vdev);
-+
-+	return 0;
-+}
-+
-+/*
-+ * vfio-fsl_mc is a meta-driver, so use driver_override interface to
-+ * bind a fsl_mc container with this driver and match_id_table is NULL.
-+ */
-+static struct fsl_mc_driver vfio_fsl_mc_driver = {
-+	.probe		= vfio_fsl_mc_probe,
-+	.remove		= vfio_fsl_mc_remove,
-+	.match_id_table = NULL,
-+	.driver	= {
-+		.name	= "vfio-fsl-mc",
-+		.owner	= THIS_MODULE,
-+	},
-+};
-+
-+static int __init vfio_fsl_mc_driver_init(void)
-+{
-+	return fsl_mc_driver_register(&vfio_fsl_mc_driver);
-+}
-+
-+static void __exit vfio_fsl_mc_driver_exit(void)
-+{
-+	fsl_mc_driver_unregister(&vfio_fsl_mc_driver);
-+}
-+
-+module_init(vfio_fsl_mc_driver_init);
-+module_exit(vfio_fsl_mc_driver_exit);
-+
-+MODULE_LICENSE("GPL v2");
-+MODULE_DESCRIPTION("VFIO for FSL-MC devices - User Level meta-driver");
---- /dev/null
-+++ b/drivers/vfio/fsl-mc/vfio_fsl_mc_private.h
-@@ -0,0 +1,14 @@
-+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
-+/*
-+ * Copyright 2013-2016 Freescale Semiconductor Inc.
-+ * Copyright 2016,2019 NXP
-+ */
-+
-+#ifndef VFIO_FSL_MC_PRIVATE_H
-+#define VFIO_FSL_MC_PRIVATE_H
-+
-+struct vfio_fsl_mc_device {
-+	struct fsl_mc_device		*mc_dev;
-+};
-+
-+#endif /* VFIO_PCI_PRIVATE_H */
---- a/include/uapi/linux/vfio.h
-+++ b/include/uapi/linux/vfio.h
-@@ -201,6 +201,7 @@ struct vfio_device_info {
- #define VFIO_DEVICE_FLAGS_AMBA  (1 << 3)	/* vfio-amba device */
- #define VFIO_DEVICE_FLAGS_CCW	(1 << 4)	/* vfio-ccw device */
- #define VFIO_DEVICE_FLAGS_AP	(1 << 5)	/* vfio-ap device */
-+#define VFIO_DEVICE_FLAGS_FSL_MC (1 << 6)	/* vfio-fsl-mc device */
- 	__u32	num_regions;	/* Max region index + 1 */
- 	__u32	num_irqs;	/* Max IRQ index + 1 */
- };