1 files changed, 0 insertions, 202 deletions
diff --git a/drivers/misc/pvpanic.c b/drivers/misc/pvpanic.c
deleted file mode 100644
index a6e1a8983e1f..000000000000
--- a/drivers/misc/pvpanic.c
+++ /dev/null
@@ -1,202 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- *  Pvpanic Device Support
- *
- *  Copyright (C) 2013 Fujitsu.
- *  Copyright (C) 2018 ZTE.
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/acpi.h>
-#include <linux/kernel.h>
-#include <linux/kexec.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/platform_device.h>
-#include <linux/types.h>
-#include <uapi/misc/pvpanic.h>
-
-static void __iomem *base;
-
-MODULE_AUTHOR("Hu Tao <hutao@cn.fujitsu.com>");
-MODULE_DESCRIPTION("pvpanic device driver");
-MODULE_LICENSE("GPL");
-
-static void
-pvpanic_send_event(unsigned int event)
-{
-	iowrite8(event, base);
-}
-
-static int
-pvpanic_panic_notify(struct notifier_block *nb, unsigned long code,
-		     void *unused)
-{
-	unsigned int event = PVPANIC_PANICKED;
-
-	if (kexec_crash_loaded())
-		event = PVPANIC_CRASH_LOADED;
-
-	pvpanic_send_event(event);
-
-	return NOTIFY_DONE;
-}
-
-static struct notifier_block pvpanic_panic_nb = {
-	.notifier_call = pvpanic_panic_notify,
-	.priority = 1, /* let this called before broken drm_fb_helper */
-};
-
-#ifdef CONFIG_ACPI
-static int pvpanic_add(struct acpi_device *device);
-static int pvpanic_remove(struct acpi_device *device);
-
-static const struct acpi_device_id pvpanic_device_ids[] = {
-	{ "QEMU0001", 0 },
-	{ "", 0 }
-};
-MODULE_DEVICE_TABLE(acpi, pvpanic_device_ids);
-
-static struct acpi_driver pvpanic_driver = {
-	.name =		"pvpanic",
-	.class =	"QEMU",
-	.ids =		pvpanic_device_ids,
-	.ops =		{
-				.add =		pvpanic_add,
-				.remove =	pvpanic_remove,
-			},
-	.owner =	THIS_MODULE,
-};
-
-static acpi_status
-pvpanic_walk_resources(struct acpi_resource *res, void *context)
-{
-	struct resource r;
-
-	if (acpi_dev_resource_io(res, &r)) {
-#ifdef CONFIG_HAS_IOPORT_MAP
-		base = ioport_map(r.start, resource_size(&r));
-		return AE_OK;
-#else
-		return AE_ERROR;
-#endif
-	} else if (acpi_dev_resource_memory(res, &r)) {
-		base = ioremap(r.start, resource_size(&r));
-		return AE_OK;
-	}
-
-	return AE_ERROR;
-}
-
-static int pvpanic_add(struct acpi_device *device)
-{
-	int ret;
-
-	ret = acpi_bus_get_status(device);
-	if (ret < 0)
-		return ret;
-
-	if (!device->status.enabled || !device->status.functional)
-		return -ENODEV;
-
-	acpi_walk_resources(device->handle, METHOD_NAME__CRS,
-			    pvpanic_walk_resources, NULL);
-
-	if (!base)
-		return -ENODEV;
-
-	atomic_notifier_chain_register(&panic_notifier_list,
-				       &pvpanic_panic_nb);
-
-	return 0;
-}
-
-static int pvpanic_remove(struct acpi_device *device)
-{
-
-	atomic_notifier_chain_unregister(&panic_notifier_list,
-					 &pvpanic_panic_nb);
-	iounmap(base);
-
-	return 0;
-}
-
-static int pvpanic_register_acpi_driver(void)
-{
-	return acpi_bus_register_driver(&pvpanic_driver);
-}
-
-static void pvpanic_unregister_acpi_driver(void)
-{
-	acpi_bus_unregister_driver(&pvpanic_driver);
-}
-#else
-static int pvpanic_register_acpi_driver(void)
-{
-	return -ENODEV;
-}
-
-static void pvpanic_unregister_acpi_driver(void) {}
-#endif
-
-static int pvpanic_mmio_probe(struct platform_device *pdev)
-{
-	struct resource *mem;
-
-	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!mem)
-		return -EINVAL;
-
-	base = devm_ioremap_resource(&pdev->dev, mem);
-	if (IS_ERR(base))
-		return PTR_ERR(base);
-
-	atomic_notifier_chain_register(&panic_notifier_list,
-				       &pvpanic_panic_nb);
-
-	return 0;
-}
-
-static int pvpanic_mmio_remove(struct platform_device *pdev)
-{
-
-	atomic_notifier_chain_unregister(&panic_notifier_list,
-					 &pvpanic_panic_nb);
-
-	return 0;
-}
-
-static const struct of_device_id pvpanic_mmio_match[] = {
-	{ .compatible = "qemu,pvpanic-mmio", },
-	{}
-};
-
-static struct platform_driver pvpanic_mmio_driver = {
-	.driver = {
-		.name = "pvpanic-mmio",
-		.of_match_table = pvpanic_mmio_match,
-	},
-	.probe = pvpanic_mmio_probe,
-	.remove = pvpanic_mmio_remove,
-};
-
-static int __init pvpanic_mmio_init(void)
-{
-	if (acpi_disabled)
-		return platform_driver_register(&pvpanic_mmio_driver);
-	else
-		return pvpanic_register_acpi_driver();
-}
-
-static void __exit pvpanic_mmio_exit(void)
-{
-	if (acpi_disabled)
-		platform_driver_unregister(&pvpanic_mmio_driver);
-	else
-		pvpanic_unregister_acpi_driver();
-}
-
-module_init(pvpanic_mmio_init);
-module_exit(pvpanic_mmio_exit);