Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 27a3bbaf authored by Ralf Baechle's avatar Ralf Baechle
Browse files

[MIPS] VPE: Sprinkle device model code into code to make udev happier. 



Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 66efc5a7

arch/mips/kernel/mips-mt.c

+19 −0
Original line number Diff line number Diff line
@@ -3,9 +3,11 @@ 
 * Copyright (C) 2005 Mips Technologies, Inc

 */



#include <linux/device.h>

#include <linux/kernel.h>

#include <linux/sched.h>

#include <linux/cpumask.h>

#include <linux/module.h>

#include <linux/interrupt.h>

#include <linux/security.h>
@@ -453,3 +455,20 @@ void mt_cflush_release(void) 
#endif /* CONFIG_MIPS_MT_SMTC */

	/* FILL IN VSMP and AP/SP VERSIONS HERE */

}



struct class *mt_class;



static int __init mt_init(void)

{

	struct class *mtc;



	mtc = class_create(THIS_MODULE, "mt");

	if (IS_ERR(mtc))

		return PTR_ERR(mtc);



	mt_class = mtc;



	return 0;

}



subsys_initcall(mt_init);

arch/mips/kernel/vpe.c

+21 −1
Original line number Diff line number Diff line
@@ -29,6 +29,7 @@ 
 */



#include <linux/kernel.h>

#include <linux/device.h>

#include <linux/module.h>

#include <linux/fs.h>

#include <linux/init.h>
@@ -48,6 +49,7 @@ 
#include <asm/cacheflush.h>

#include <asm/atomic.h>

#include <asm/cpu.h>

#include <asm/mips_mt.h>

#include <asm/processor.h>

#include <asm/system.h>

#include <asm/vpe.h>
@@ -64,6 +66,7 @@ typedef void *vpe_handle; 


static char module_name[] = "vpe";

static int major;

static const int minor = 1;	/* fixed for now  */



#ifdef CONFIG_MIPS_APSP_KSPD

 static struct kspd_notifications kspd_events;
@@ -1365,12 +1368,15 @@ static void kspd_sp_exit( int sp_id) 
}

#endif



static struct device *vpe_dev;



static int __init vpe_module_init(void)

{

	struct vpe *v = NULL;

	struct device *dev;

	struct tc *t;

	unsigned long val;

	int i;

	int i, err;



	if (!cpu_has_mipsmt) {

		printk("VPE loader: not a MIPS MT capable processor\n");
@@ -1383,6 +1389,14 @@ static int __init vpe_module_init(void) 
		return major;

	}



	dev = device_create(mt_class, NULL, MKDEV(major, minor),

	                    "tc%d", minor);

	if (IS_ERR(dev)) {

		err = PTR_ERR(dev);

		goto out_chrdev;

	}

	vpe_dev = dev;



	dmt();

	dvpe();
@@ -1478,6 +1492,11 @@ static int __init vpe_module_init(void) 
	kspd_events.kspd_sp_exit = kspd_sp_exit;

#endif

	return 0;



out_chrdev:

	unregister_chrdev(major, module_name);



	return err;

}



static void __exit vpe_module_exit(void)
@@ -1490,6 +1509,7 @@ static void __exit vpe_module_exit(void) 
		}

	}



	device_destroy(mt_class, MKDEV(major, minor));

	unregister_chrdev(major, module_name);

}

include/asm-mips/mips_mt.h

+3 −0
Original line number Diff line number Diff line
@@ -12,4 +12,7 @@ extern unsigned long mt_fpemul_threshold; 
extern void mips_mt_regdump(unsigned long previous_mvpcontrol_value);

extern void mips_mt_set_cpuoptions(void);



struct class;

extern struct class *mt_class;



#endif /* __ASM_MIPS_MT_H */