diff options
| -rw-r--r-- | drivers/hwmon/Kconfig | 19 | ||||
| -rw-r--r-- | drivers/hwmon/spd5118.c | 4 |
2 files changed, 21 insertions, 2 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 7a84e7637b51..d5eced417fc3 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -2193,6 +2193,25 @@ config SENSORS_SPD5118 This driver can also be built as a module. If so, the module will be called spd5118. +config SENSORS_SPD5118_DETECT + bool "Enable detect function" + depends on SENSORS_SPD5118 + default (!DMI || !X86) + help + If enabled, the driver auto-detects if a chip in the SPD address + range is compliant to the SPD51888 standard and auto-instantiates + if that is the case. If disabled, SPD5118 compliant devices have + to be instantiated by other means. On X86 systems with DMI support + this will typically be done from DMI DDR detection code in the + I2C SMBus subsystem. Devicetree based systems will instantiate + attached devices if the DIMMs are listed in the devicetree file. + + Disabling the detect function will speed up boot time and reduce + the risk of mis-detecting SPD5118 compliant devices. However, it + may result in missed DIMMs under some circumstances. + + If unsure, say Y. + config SENSORS_TC74 tristate "Microchip TC74" depends on I2C diff --git a/drivers/hwmon/spd5118.c b/drivers/hwmon/spd5118.c index de6cf07f3007..ac94a6779360 100644 --- a/drivers/hwmon/spd5118.c +++ b/drivers/hwmon/spd5118.c @@ -646,8 +646,8 @@ static struct i2c_driver spd5118_driver = { }, .probe = spd5118_probe, .id_table = spd5118_id, - .detect = spd5118_detect, - .address_list = normal_i2c, + .detect = IS_ENABLED(CONFIG_SENSORS_SPD5118_DETECT) ? spd5118_detect : NULL, + .address_list = IS_ENABLED(CONFIG_SENSORS_SPD5118_DETECT) ? normal_i2c : NULL, }; module_i2c_driver(spd5118_driver); |