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[S390] kvm: use console_initcall() to initialize s390 virtio console

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Use a console_initcall() to initialize the s390 virtio console and
clean up s390 console initialization in setup.c.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Hendrik Brueckner 2009-09-11 10:28:56 +02:00 committed by Martin Schwidefsky
parent 68d36bdbf6
commit c4de0c1a18
3 changed files with 9 additions and 19 deletions
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10
arch/s390/include/asm/kvm_virtio.h
View file

@ -54,14 +54,4 @@ struct kvm_vqconfig {
* This is pagesize for historical reasons. */
#define KVM_S390_VIRTIO_RING_ALIGN 4096
#ifdef __KERNEL__
/* early virtio console setup */
#ifdef CONFIG_S390_GUEST
extern void s390_virtio_console_init(void);
#else
static inline void s390_virtio_console_init(void)
{
}
#endif /* CONFIG_VIRTIO_CONSOLE */
#endif /* __KERNEL__ */
#endif

10
arch/s390/kernel/setup.c
View file

@ -156,15 +156,11 @@ __setup("condev=", condev_setup);
static void __init set_preferred_console(void)
{
if (MACHINE_IS_KVM) {
if (MACHINE_IS_KVM)
add_preferred_console("hvc", 0, NULL);
s390_virtio_console_init();
return;
}
if (CONSOLE_IS_3215 || CONSOLE_IS_SCLP)
else if (CONSOLE_IS_3215 || CONSOLE_IS_SCLP)
add_preferred_console("ttyS", 0, NULL);
if (CONSOLE_IS_3270)
else if (CONSOLE_IS_3270)
add_preferred_console("tty3270", 0, NULL);
}

8
drivers/s390/kvm/kvm_virtio.c
View file

@ -403,10 +403,14 @@ static __init int early_put_chars(u32 vtermno, const char *buf, int count)
return len;
}
void __init s390_virtio_console_init(void)
static int __init s390_virtio_console_init(void)
{
virtio_cons_early_init(early_put_chars);
if (!MACHINE_IS_KVM)
return -ENODEV;
return virtio_cons_early_init(early_put_chars);
}
console_initcall(s390_virtio_console_init);
/*
* We do this after core stuff, but before the drivers.