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authorArmin Wolf <W_Armin@gmx.de>2022-04-26 23:31:53 +0200
committerGuenter Roeck <linux@roeck-us.net>2022-05-20 10:57:05 -0700
commitf44aa665ee9647a204066b287c8fc8c604440425 (patch)
tree90732c82de6be06dd629d384a2972ebe0cb359ae /drivers/hwmon
parenthwmon: (dell-smm) Avoid unnecessary SMM calls during init (diff)
downloadlinux-dev-f44aa665ee9647a204066b287c8fc8c604440425.tar.xz
linux-dev-f44aa665ee9647a204066b287c8fc8c604440425.zip
hwmon: (dell-smm) Cleanup init code
The default values for i8k_fan_mult and i8k_fan_max should be assigend only if the values specified as module params or in DMI are invalid/missing. Signed-off-by: Armin Wolf <W_Armin@gmx.de> Link: https://lore.kernel.org/r/20220426213154.724708-3-W_Armin@gmx.de Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/dell-smm-hwmon.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c
index 202ee884de9e..f13902414615 100644
--- a/drivers/hwmon/dell-smm-hwmon.c
+++ b/drivers/hwmon/dell-smm-hwmon.c
@@ -1373,8 +1373,6 @@ static int __init dell_smm_probe(struct platform_device *pdev)
return -ENOMEM;
mutex_init(&data->i8k_mutex);
- data->i8k_fan_mult = I8K_FAN_MULT;
- data->i8k_fan_max = I8K_FAN_HIGH;
platform_set_drvdata(pdev, data);
if (dmi_check_system(i8k_blacklist_fan_support_dmi_table)) {
@@ -1409,7 +1407,9 @@ static int __init dell_smm_probe(struct platform_device *pdev)
fan_max = conf->fan_max;
}
- data->i8k_fan_max = fan_max ? : I8K_FAN_HIGH; /* Must not be 0 */
+ /* All options must not be 0 */
+ data->i8k_fan_mult = fan_mult ? : I8K_FAN_MULT;
+ data->i8k_fan_max = fan_max ? : I8K_FAN_HIGH;
data->i8k_pwm_mult = DIV_ROUND_UP(255, data->i8k_fan_max);
fan_control = dmi_first_match(i8k_whitelist_fan_control);
@@ -1421,9 +1421,6 @@ static int __init dell_smm_probe(struct platform_device *pdev)
dev_info(&pdev->dev, "enabling support for setting automatic/manual fan control\n");
}
- if (fan_mult)
- data->i8k_fan_mult = fan_mult;
-
ret = dell_smm_init_hwmon(&pdev->dev);
if (ret)
return ret;