diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2007-02-07 13:48:59 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-02-10 22:38:42 +0000 |
| commit | 27a3bbaf4b1e23a3afbae4d9f72b51a36859f74a (patch) | |
| tree | c6cf2b25d02ee2ad1cf290e9ac9719b301cbc77b | |
| parent | 66efc5a7e3061c3597ac43a8bb1026488d57e66b (diff) | |
[MIPS] VPE: Sprinkle device model code into code to make udev happier.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| -rw-r--r-- | arch/mips/kernel/mips-mt.c | 19 | ||||
| -rw-r--r-- | arch/mips/kernel/vpe.c | 22 | ||||
| -rw-r--r-- | include/asm-mips/mips_mt.h | 3 |
3 files changed, 43 insertions, 1 deletions
diff --git a/arch/mips/kernel/mips-mt.c b/arch/mips/kernel/mips-mt.c index a32f6797353..ba01800b601 100644 --- a/arch/mips/kernel/mips-mt.c +++ b/arch/mips/kernel/mips-mt.c @@ -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); diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c index 459624969c9..4e832da48c6 100644 --- a/arch/mips/kernel/vpe.c +++ b/arch/mips/kernel/vpe.c @@ -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); } diff --git a/include/asm-mips/mips_mt.h b/include/asm-mips/mips_mt.h index c31a312b978..fdfff0b8ce4 100644 --- a/include/asm-mips/mips_mt.h +++ b/include/asm-mips/mips_mt.h @@ -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 */ |