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-rw-r--r--drivers/char/ipmi/Kconfig12
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c2
2 files changed, 13 insertions, 1 deletions
diff --git a/drivers/char/ipmi/Kconfig b/drivers/char/ipmi/Kconfig
index 0baa8fab4ea7..db1c9b7adaa6 100644
--- a/drivers/char/ipmi/Kconfig
+++ b/drivers/char/ipmi/Kconfig
@@ -50,6 +50,18 @@ config IPMI_SI
Currently, only KCS and SMIC are supported. If
you are using IPMI, you should probably say "y" here.
+config IPMI_SI_PROBE_DEFAULTS
+ bool 'Probe for all possible IPMI system interfaces by default'
+ default n
+ depends on IPMI_SI
+ help
+ Modern systems will usually expose IPMI interfaces via a discoverable
+ firmware mechanism such as ACPI or DMI. Older systems do not, and so
+ the driver is forced to probe hardware manually. This may cause boot
+ delays. Say "n" here to disable this manual probing. IPMI will then
+ only be available on older systems if the "ipmi_si_intf.trydefaults=1"
+ boot argument is passed.
+
config IPMI_WATCHDOG
tristate 'IPMI Watchdog Timer'
help
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 9c4069151955..25a1436a4291 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -1239,7 +1239,7 @@ static bool si_tryplatform = 1;
#ifdef CONFIG_PCI
static bool si_trypci = 1;
#endif
-static bool si_trydefaults = 1;
+static bool si_trydefaults = IS_ENABLED(CONFIG_IPMI_SI_PROBE_DEFAULTS);
static char *si_type[SI_MAX_PARMS];
#define MAX_SI_TYPE_STR 30
static char si_type_str[MAX_SI_TYPE_STR];