Commit 15c012d5 authored by Sameer Wadgaonkar's avatar Sameer Wadgaonkar Committed by Greg Kroah-Hartman
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staging: unisys: visorbus: remove visorchipset_platform_device



Removed visorchipset_platform_device and all the unused structures
and functions and using chipset_dev.acpi_device instead.

Reported-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarSameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: default avatarDavid Kershner <david.kershner@unisys.com>
Reviewed-by: default avatarTim Sell <timothy.sell@unisys.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c7cca540
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+19 −29
Original line number Diff line number Diff line
@@ -20,7 +20,6 @@
#include <linux/mm.h>
#include <linux/nls.h>
#include <linux/netdevice.h>
#include <linux/platform_device.h>
#include <linux/uuid.h>
#include <linux/crash_dump.h>

@@ -1175,18 +1174,6 @@ static const struct attribute_group *visorchipset_dev_groups[] = {
	NULL
};

static void visorchipset_dev_release(struct device *dev)
{
}

/* /sys/devices/platform/visorchipset */
static struct platform_device visorchipset_platform_device = {
	.name = "visorchipset",
	.id = -1,
	.dev.groups = visorchipset_dev_groups,
	.dev.release = visorchipset_dev_release,
};

/*
 * parahotplug_request_kickoff() - initiate parahotplug request
 * @req: the request to initiate
@@ -1215,7 +1202,7 @@ parahotplug_request_kickoff(struct parahotplug_request *req)
	sprintf(env_func, "SPAR_PARAHOTPLUG_FUNCTION=%d",
		cmd->device_change_state.dev_no & 0x7);

	kobject_uevent_env(&visorchipset_platform_device.dev.kobj, KOBJ_CHANGE,
	kobject_uevent_env(&chipset_dev->acpi_device->dev.kobj, KOBJ_CHANGE,
			   envp);
}

@@ -1277,7 +1264,7 @@ parahotplug_process_message(struct controlvm_message *inmsg)
static int
chipset_ready_uevent(struct controlvm_message_header *msg_hdr)
{
	kobject_uevent(&visorchipset_platform_device.dev.kobj, KOBJ_ONLINE);
	kobject_uevent(&chipset_dev->acpi_device->dev.kobj, KOBJ_ONLINE);

	if (msg_hdr->flags.response_expected)
		return controlvm_respond(msg_hdr, CONTROLVM_RESP_SUCCESS);
@@ -1299,7 +1286,7 @@ chipset_selftest_uevent(struct controlvm_message_header *msg_hdr)
	char *envp[] = { env_selftest, NULL };

	sprintf(env_selftest, "SPARSP_SELFTEST=%d", 1);
	kobject_uevent_env(&visorchipset_platform_device.dev.kobj, KOBJ_CHANGE,
	kobject_uevent_env(&chipset_dev->acpi_device->dev.kobj, KOBJ_CHANGE,
			   envp);

	if (msg_hdr->flags.response_expected)
@@ -1318,7 +1305,7 @@ chipset_selftest_uevent(struct controlvm_message_header *msg_hdr)
static int
chipset_notready_uevent(struct controlvm_message_header *msg_hdr)
{
	kobject_uevent(&visorchipset_platform_device.dev.kobj, KOBJ_OFFLINE);
	kobject_uevent(&chipset_dev->acpi_device->dev.kobj, KOBJ_OFFLINE);

	if (msg_hdr->flags.response_expected)
		return controlvm_respond(msg_hdr, CONTROLVM_RESP_SUCCESS);
@@ -1846,9 +1833,15 @@ visorchipset_init(struct acpi_device *acpi_device)
		goto error_free_chipset_dev;

	chipset_dev->controlvm_channel = controlvm_channel;

	err = sysfs_create_groups(&chipset_dev->acpi_device->dev.kobj,
				  visorchipset_dev_groups);
	if (err < 0)
		goto error_destroy_channel;

	if (!SPAR_CONTROLVM_CHANNEL_OK_CLIENT(
				visorchannel_get_header(controlvm_channel)))
		goto error_destroy_channel;
		goto error_delete_groups;

	/* if booting in a crash kernel */
	if (is_kdump_kernel())
@@ -1863,26 +1856,21 @@ visorchipset_init(struct acpi_device *acpi_device)
	schedule_delayed_work(&chipset_dev->periodic_controlvm_work,
			      chipset_dev->poll_jiffies);

	if (platform_device_register(&visorchipset_platform_device) < 0) {
		POSTCODE_LINUX(DEVICE_REGISTER_FAILURE_PC, 0, 0,
			       DIAG_SEVERITY_ERR);
		err = -ENODEV;
		goto error_cancel_work;
	}
	POSTCODE_LINUX(CHIPSET_INIT_SUCCESS_PC, 0, 0, DIAG_SEVERITY_PRINT);

	err = visorbus_init();
	if (err < 0)
		goto error_unregister;
		goto error_cancel_work;

	return 0;

error_unregister:
	platform_device_unregister(&visorchipset_platform_device);

error_cancel_work:
	cancel_delayed_work_sync(&chipset_dev->periodic_controlvm_work);

error_delete_groups:
	sysfs_remove_groups(&chipset_dev->acpi_device->dev.kobj,
			    visorchipset_dev_groups);

error_destroy_channel:
	visorchannel_destroy(chipset_dev->controlvm_channel);

@@ -1901,8 +1889,10 @@ visorchipset_exit(struct acpi_device *acpi_device)

	visorbus_exit();
	cancel_delayed_work_sync(&chipset_dev->periodic_controlvm_work);
	sysfs_remove_groups(&chipset_dev->acpi_device->dev.kobj,
			    visorchipset_dev_groups);

	visorchannel_destroy(chipset_dev->controlvm_channel);
	platform_device_unregister(&visorchipset_platform_device);
	kfree(chipset_dev);

	POSTCODE_LINUX(DRIVER_EXIT_PC, 0, 0, DIAG_SEVERITY_PRINT);