Re: [PATCH v3.1] dell-smm-hwmon.c: Additional temperature sensors

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I've just realized that is unusual to add a minor version for patches.

I thought that it could make sense to highlight that this is a minor
change, in fact I've just removed the executable bit that was wrongly
added in the previous patches.

Please let me know if it's a problem and want me to change the version
number to v4.

On 12/22/18 2:18 PM, Michele Sorcinelli wrote:
The code has been extended to support up to 10 temperature sensors.

Changes from previous patch versions:

- fix wrong index ranges in i8k_is_visible() if conditions
- restore i8k_get_temp_type() as probe method for temp sensors because
   i8k_get_temp() is not reliable (for example it won't work when
   sensors are turned off)
- remove wrong executable bit in dell-smm-hwmon.c

Signed-off-by: Michele Sorcinelli <michelesr@xxxxxxxxxxxxx>
Reviewed-by: Pali Rohár <pali.rohar@xxxxxxxxx>
---
  drivers/hwmon/dell-smm-hwmon.c | 105 ++++++++++++++++++++++++++++-----
  1 file changed, 90 insertions(+), 15 deletions(-)

diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c
index 367a8a617..73a30e3e4 100644
--- a/drivers/hwmon/dell-smm-hwmon.c
+++ b/drivers/hwmon/dell-smm-hwmon.c
@@ -82,9 +82,16 @@ static bool disallow_fan_support;
  #define I8K_HWMON_HAVE_TEMP2	(1 << 1)
  #define I8K_HWMON_HAVE_TEMP3	(1 << 2)
  #define I8K_HWMON_HAVE_TEMP4	(1 << 3)
-#define I8K_HWMON_HAVE_FAN1	(1 << 4)
-#define I8K_HWMON_HAVE_FAN2	(1 << 5)
-#define I8K_HWMON_HAVE_FAN3	(1 << 6)
+#define I8K_HWMON_HAVE_TEMP5	(1 << 4)
+#define I8K_HWMON_HAVE_TEMP6	(1 << 5)
+#define I8K_HWMON_HAVE_TEMP7	(1 << 6)
+#define I8K_HWMON_HAVE_TEMP8	(1 << 7)
+#define I8K_HWMON_HAVE_TEMP9	(1 << 8)
+#define I8K_HWMON_HAVE_TEMP10	(1 << 9)
+
+#define I8K_HWMON_HAVE_FAN1	(1 << 10)
+#define I8K_HWMON_HAVE_FAN2	(1 << 11)
+#define I8K_HWMON_HAVE_FAN3	(1 << 12)

  MODULE_AUTHOR("Massimo Dal Zotto (dz@xxxxxxxxxx)");
  MODULE_AUTHOR("Pali Rohár <pali.rohar@xxxxxxxxx>");
@@ -743,6 +750,25 @@ static SENSOR_DEVICE_ATTR(temp3_label, S_IRUGO, i8k_hwmon_show_temp_label, NULL,
  static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, i8k_hwmon_show_temp, NULL, 3);
  static SENSOR_DEVICE_ATTR(temp4_label, S_IRUGO, i8k_hwmon_show_temp_label, NULL,
  			  3);
+static SENSOR_DEVICE_ATTR(temp5_input, S_IRUGO, i8k_hwmon_show_temp, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp5_label, S_IRUGO, i8k_hwmon_show_temp_label, NULL,
+			  4);
+static SENSOR_DEVICE_ATTR(temp6_input, S_IRUGO, i8k_hwmon_show_temp, NULL, 5);
+static SENSOR_DEVICE_ATTR(temp6_label, S_IRUGO, i8k_hwmon_show_temp_label, NULL,
+			  5);
+static SENSOR_DEVICE_ATTR(temp7_input, S_IRUGO, i8k_hwmon_show_temp, NULL, 6);
+static SENSOR_DEVICE_ATTR(temp7_label, S_IRUGO, i8k_hwmon_show_temp_label, NULL,
+			  6);
+static SENSOR_DEVICE_ATTR(temp8_input, S_IRUGO, i8k_hwmon_show_temp, NULL, 7);
+static SENSOR_DEVICE_ATTR(temp8_label, S_IRUGO, i8k_hwmon_show_temp_label, NULL,
+			  7);
+static SENSOR_DEVICE_ATTR(temp9_input, S_IRUGO, i8k_hwmon_show_temp, NULL, 8);
+static SENSOR_DEVICE_ATTR(temp9_label, S_IRUGO, i8k_hwmon_show_temp_label, NULL,
+			  8);
+static SENSOR_DEVICE_ATTR(temp10_input, S_IRUGO, i8k_hwmon_show_temp, NULL, 9);
+static SENSOR_DEVICE_ATTR(temp10_label, S_IRUGO, i8k_hwmon_show_temp_label, NULL,
+			  9);
+
  static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, i8k_hwmon_show_fan, NULL, 0);
  static SENSOR_DEVICE_ATTR(fan1_label, S_IRUGO, i8k_hwmon_show_fan_label, NULL,
  			  0);
@@ -770,15 +796,27 @@ static struct attribute *i8k_attrs[] = {
  	&sensor_dev_attr_temp3_label.dev_attr.attr,	/* 5 */
  	&sensor_dev_attr_temp4_input.dev_attr.attr,	/* 6 */
  	&sensor_dev_attr_temp4_label.dev_attr.attr,	/* 7 */
-	&sensor_dev_attr_fan1_input.dev_attr.attr,	/* 8 */
-	&sensor_dev_attr_fan1_label.dev_attr.attr,	/* 9 */
-	&sensor_dev_attr_pwm1.dev_attr.attr,		/* 10 */
-	&sensor_dev_attr_fan2_input.dev_attr.attr,	/* 11 */
-	&sensor_dev_attr_fan2_label.dev_attr.attr,	/* 12 */
-	&sensor_dev_attr_pwm2.dev_attr.attr,		/* 13 */
-	&sensor_dev_attr_fan3_input.dev_attr.attr,	/* 14 */
-	&sensor_dev_attr_fan3_label.dev_attr.attr,	/* 15 */
-	&sensor_dev_attr_pwm3.dev_attr.attr,		/* 16 */
+	&sensor_dev_attr_temp5_input.dev_attr.attr,	/* 8 */
+	&sensor_dev_attr_temp5_label.dev_attr.attr,	/* 9 */
+	&sensor_dev_attr_temp6_input.dev_attr.attr,	/* 10 */
+	&sensor_dev_attr_temp6_label.dev_attr.attr,	/* 11 */
+	&sensor_dev_attr_temp7_input.dev_attr.attr,	/* 12 */
+	&sensor_dev_attr_temp7_label.dev_attr.attr,	/* 13 */
+	&sensor_dev_attr_temp8_input.dev_attr.attr,	/* 14 */
+	&sensor_dev_attr_temp8_label.dev_attr.attr,	/* 15 */
+	&sensor_dev_attr_temp9_input.dev_attr.attr,	/* 16 */
+	&sensor_dev_attr_temp9_label.dev_attr.attr,	/* 17 */
+	&sensor_dev_attr_temp10_input.dev_attr.attr,	/* 18 */
+	&sensor_dev_attr_temp10_label.dev_attr.attr,	/* 19 */
+	&sensor_dev_attr_fan1_input.dev_attr.attr,	/* 20 */
+	&sensor_dev_attr_fan1_label.dev_attr.attr,	/* 21 */
+	&sensor_dev_attr_pwm1.dev_attr.attr,		/* 22 */
+	&sensor_dev_attr_fan2_input.dev_attr.attr,	/* 23 */
+	&sensor_dev_attr_fan2_label.dev_attr.attr,	/* 24 */
+	&sensor_dev_attr_pwm2.dev_attr.attr,		/* 25 */
+	&sensor_dev_attr_fan3_input.dev_attr.attr,	/* 26 */
+	&sensor_dev_attr_fan3_label.dev_attr.attr,	/* 27 */
+	&sensor_dev_attr_pwm3.dev_attr.attr,		/* 28 */
  	NULL
  };

@@ -802,13 +840,32 @@ static umode_t i8k_is_visible(struct kobject *kobj, struct attribute *attr,
  	if (index >= 6 && index <= 7 &&
  	    !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP4))
  		return 0;
-	if (index >= 8 && index <= 10 &&
+	if (index >= 8 && index <= 9 &&
+	    !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP5))
+		return 0;
+	if (index >= 10 && index <= 11 &&
+	    !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP6))
+		return 0;
+	if (index >= 12 && index <= 13 &&
+	    !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP7))
+		return 0;
+	if (index >= 14 && index <= 15 &&
+	    !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP8))
+		return 0;
+	if (index >= 16 && index <= 17 &&
+	    !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP9))
+		return 0;
+	if (index >= 18 && index <= 19 &&
+	    !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP10))
+		return 0;
+
+	if (index >= 20 && index <= 22 &&
  	    !(i8k_hwmon_flags & I8K_HWMON_HAVE_FAN1))
  		return 0;
-	if (index >= 11 && index <= 13 &&
+	if (index >= 23 && index <= 25 &&
  	    !(i8k_hwmon_flags & I8K_HWMON_HAVE_FAN2))
  		return 0;
-	if (index >= 14 && index <= 16 &&
+	if (index >= 26 && index <= 28 &&
  	    !(i8k_hwmon_flags & I8K_HWMON_HAVE_FAN3))
  		return 0;

@@ -841,6 +898,24 @@ static int __init i8k_init_hwmon(void)
  	err = i8k_get_temp_type(3);
  	if (err >= 0)
  		i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP4;
+	err = i8k_get_temp_type(4);
+	if (err >= 0)
+		i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP5;
+	err = i8k_get_temp_type(5);
+	if (err >= 0)
+		i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP6;
+	err = i8k_get_temp_type(6);
+	if (err >= 0)
+		i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP7;
+	err = i8k_get_temp_type(7);
+	if (err >= 0)
+		i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP8;
+	err = i8k_get_temp_type(8);
+	if (err >= 0)
+		i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP9;
+	err = i8k_get_temp_type(9);
+	if (err >= 0)
+		i8k_hwmon_flags |= I8K_HWMON_HAVE_TEMP10;

  	/* First fan attributes, if fan status or type is OK */
  	err = i8k_get_fan_status(0);
--
2.20.1




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