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Commit d750785f authored by Haiyang Zhang's avatar Haiyang Zhang Committed by Greg Kroah-Hartman
Browse files

Staging: hv: fix hv_utils module to properly autoload 



Added autoloading based on pci id and dmi strings.

Signed-off-by: default avatarHaiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: default avatarHank Janssen <hjanssen@microsoft.com>
Cc: stable <stable@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 8b5d6d3b

drivers/staging/hv/hv_utils.c

+28 −0
Original line number Diff line number Diff line
@@ -24,6 +24,8 @@ 
#include <linux/slab.h>

#include <linux/sysctl.h>

#include <linux/reboot.h>

#include <linux/dmi.h>

#include <linux/pci.h>



#include "logging.h"

#include "osd.h"
@@ -251,10 +253,36 @@ static void heartbeat_onchannelcallback(void *context) 
	DPRINT_EXIT(VMBUS);

}



static const struct pci_device_id __initconst

hv_utils_pci_table[] __maybe_unused = {

	{ PCI_DEVICE(0x1414, 0x5353) }, /* Hyper-V emulated VGA controller */

	{ 0 }

};

MODULE_DEVICE_TABLE(pci, hv_utils_pci_table);





static const struct dmi_system_id __initconst

hv_utils_dmi_table[] __maybe_unused  = {

	{

		.ident = "Hyper-V",

		.matches = {

			DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),

			DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),

			DMI_MATCH(DMI_BOARD_NAME, "Virtual Machine"),

		},

	},

	{ },

};

MODULE_DEVICE_TABLE(dmi, hv_utils_dmi_table);





static int __init init_hyperv_utils(void)

{

	printk(KERN_INFO "Registering HyperV Utility Driver\n");



	if (!dmi_check_system(hv_utils_dmi_table))

		return -ENODEV;



	hv_cb_utils[HV_SHUTDOWN_MSG].channel->OnChannelCallback =

		&shutdown_onchannelcallback;

	hv_cb_utils[HV_SHUTDOWN_MSG].callback = &shutdown_onchannelcallback;