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| author | Matthew Garrett <mjg@redhat.com> | 2010-05-26 14:43:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-27 09:12:49 -0700 |
| commit | d8cc5267b802003e2c67ac5254788044852ccfa9 (patch) | |
| tree | 3b45ebdb73cea591cfd162ca651d374723cf3fd8 /drivers/char | |
| parent | 2407d77a1a013b88ee3b817f2b934e420e5376f5 (diff) | |
| download | linux-stable-d8cc5267b802003e2c67ac5254788044852ccfa9.tar.gz linux-stable-d8cc5267b802003e2c67ac5254788044852ccfa9.tar.bz2 linux-stable-d8cc5267b802003e2c67ac5254788044852ccfa9.zip | |
ipmi: only register one si per bmc
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>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/ipmi/ipmi_si_intf.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 3f2a4900fe18..9b9e1e915cf6 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -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); |