aboutsummaryrefslogtreecommitdiff
path: root/drivers/char
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c29
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);