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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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sameer Wadgaonkar 2017-02-21 12:53:31 -05:00 committed by Greg Kroah-Hartman
parent c7cca540eb
commit 15c012d545
1 changed files with 19 additions and 29 deletions
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48
drivers/staging/unisys/visorbus/visorchipset.c
View File

@ -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);