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Commit 14d10f0a authored by Sreedhara DS's avatar Sreedhara DS Committed by Matthew Garrett
Browse files

intel_scu_ipc: detect CPU type automatically 



Intel SCU message formats depend upon the processor type. Replace the
module option with automatic detection of the processor type.

Signed-off-by: default avatarSreedhara DS <sreedhara.ds@intel.com>
Signed-off-by: default avatarMatthew Garrett <mjg@redhat.com>
parent a00cd11b

drivers/platform/x86/intel_scu_ipc.c

+12 −7
Original line number Diff line number Diff line
@@ -23,7 +23,7 @@ 
#include <linux/pm.h>

#include <linux/pci.h>

#include <linux/interrupt.h>

#include <asm/setup.h>

#include <asm/mrst.h>

#include <asm/intel_scu_ipc.h>



/* IPC defines the following message types */
@@ -78,12 +78,9 @@ struct intel_scu_ipc_dev { 


static struct intel_scu_ipc_dev  ipcdev; /* Only one for now */



static int platform = 1;

module_param(platform, int, 0);

MODULE_PARM_DESC(platform, "1 for moorestown platform");







#define PLATFORM_LANGWELL 1

#define PLATFORM_PENWELL 2

static int platform;		/* Platform type */



/*

 * IPC Read Buffer (Read Only):
@@ -817,6 +814,14 @@ static struct pci_driver ipc_driver = { 


static int __init intel_scu_ipc_init(void)

{

	if (boot_cpu_data.x86 == 6 &&

		boot_cpu_data.x86_model == 0x27 &&

		boot_cpu_data.x86_mask == 1)

			platform = PLATFORM_PENWELL;

	else if (boot_cpu_data.x86 == 6 &&

		boot_cpu_data.x86_model == 0x26)

			platform = PLATFORM_LANGWELL;



	return  pci_register_driver(&ipc_driver);

}