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ipmi: only register one si per bmc

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Only register one si per bmc.  Use any user-provided devices first,
followed by the first device with an irq, followed by the first device
discovered.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Matthew Garrett 2010-05-26 14:43:46 -07:00 committed by Linus Torvalds
parent 2407d77a1a
commit d8cc5267b8
1 changed files with 27 additions and 2 deletions
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29
drivers/char/ipmi/ipmi_si_intf.c
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@ -3298,6 +3298,14 @@ static __devinit int init_ipmi_si(void)
hardcode_find_bmc();
/* If the user gave us a device, they presumably want us to use it */
mutex_lock(&smi_infos_lock);
if (!list_empty(&smi_infos)) {
mutex_unlock(&smi_infos_lock);
return 0;
}
mutex_unlock(&smi_infos_lock);
#ifdef CONFIG_DMI
dmi_find_bmc();
#endif
@ -3321,10 +3329,27 @@ static __devinit int init_ipmi_si(void)
of_register_platform_driver(&ipmi_of_platform_driver);
#endif
/* Try to register something with interrupts first */
mutex_lock(&smi_infos_lock);
list_for_each_entry(e, &smi_infos, link) {
if (!e->si_sm)
try_smi_init(e);
if (e->irq) {
if (!try_smi_init(e)) {
mutex_unlock(&smi_infos_lock);
return 0;
}
}
}
/* Fall back to the preferred device */
list_for_each_entry(e, &smi_infos, link) {
if (!e->irq) {
if (!try_smi_init(e)) {
mutex_unlock(&smi_infos_lock);
return 0;
}
}
}
mutex_unlock(&smi_infos_lock);