hwmon: (it87) Use is_visible for voltage sensors
Simplify code and reduce object size by more than 300 bytes on x86_64. Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>hifive-unleashed-5.1
Guenter Roeck
parent
c1e7a4ca6d
commit
5292971563
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@ -471,6 +471,7 @@ struct it87_data {
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unsigned long last_updated; /* In jiffies */
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u16 in_scaled; /* Internal voltage sensors are scaled */
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u16 has_in; /* Bitfield, voltage sensors enabled */
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u8 in[10][3]; /* [nr][0]=in, [1]=min, [2]=max */
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u8 has_fan; /* Bitfield, fans enabled */
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u16 fan[6][2]; /* Register values, [nr][0]=fan, [1]=min */
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@ -482,6 +483,7 @@ struct it87_data {
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u8 vid; /* Register encoding, combined */
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u8 vrm;
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u32 alarms; /* Register encoding, combined */
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bool has_beep; /* true if beep supported */
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u8 beeps; /* Register encoding */
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u8 fan_main_ctrl; /* Register value */
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u8 fan_ctl; /* Register value */
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@ -1751,74 +1753,85 @@ static ssize_t show_name(struct device *dev, struct device_attribute
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}
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static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
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static struct attribute *it87_attributes_in[10][5] = {
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static umode_t it87_in_is_visible(struct kobject *kobj,
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struct attribute *attr, int index)
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{
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struct device *dev = container_of(kobj, struct device, kobj);
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struct it87_data *data = dev_get_drvdata(dev);
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int i = index / 5; /* voltage index */
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int a = index % 5; /* attribute index */
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if (index >= 40) { /* in8, in9 only have input attributes */
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i = index - 40 + 8;
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a = 0;
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}
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if (!(data->has_in & (1 << i)))
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return 0;
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if (a == 4 && !data->has_beep)
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return 0;
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return attr->mode;
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}
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static struct attribute *it87_attributes_in[] = {
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&sensor_dev_attr_in0_input.dev_attr.attr,
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&sensor_dev_attr_in0_min.dev_attr.attr,
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&sensor_dev_attr_in0_max.dev_attr.attr,
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&sensor_dev_attr_in0_alarm.dev_attr.attr,
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NULL
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}, {
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&sensor_dev_attr_in0_beep.dev_attr.attr, /* 4 */
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&sensor_dev_attr_in1_input.dev_attr.attr,
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&sensor_dev_attr_in1_min.dev_attr.attr,
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&sensor_dev_attr_in1_max.dev_attr.attr,
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&sensor_dev_attr_in1_alarm.dev_attr.attr,
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NULL
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}, {
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&sensor_dev_attr_in1_beep.dev_attr.attr, /* 9 */
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&sensor_dev_attr_in2_input.dev_attr.attr,
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&sensor_dev_attr_in2_min.dev_attr.attr,
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&sensor_dev_attr_in2_max.dev_attr.attr,
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&sensor_dev_attr_in2_alarm.dev_attr.attr,
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NULL
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}, {
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&sensor_dev_attr_in2_beep.dev_attr.attr, /* 14 */
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&sensor_dev_attr_in3_input.dev_attr.attr,
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&sensor_dev_attr_in3_min.dev_attr.attr,
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&sensor_dev_attr_in3_max.dev_attr.attr,
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&sensor_dev_attr_in3_alarm.dev_attr.attr,
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NULL
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}, {
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&sensor_dev_attr_in3_beep.dev_attr.attr, /* 19 */
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&sensor_dev_attr_in4_input.dev_attr.attr,
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&sensor_dev_attr_in4_min.dev_attr.attr,
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&sensor_dev_attr_in4_max.dev_attr.attr,
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&sensor_dev_attr_in4_alarm.dev_attr.attr,
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NULL
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}, {
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&sensor_dev_attr_in4_beep.dev_attr.attr, /* 24 */
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&sensor_dev_attr_in5_input.dev_attr.attr,
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&sensor_dev_attr_in5_min.dev_attr.attr,
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&sensor_dev_attr_in5_max.dev_attr.attr,
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&sensor_dev_attr_in5_alarm.dev_attr.attr,
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NULL
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}, {
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&sensor_dev_attr_in5_beep.dev_attr.attr, /* 29 */
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&sensor_dev_attr_in6_input.dev_attr.attr,
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&sensor_dev_attr_in6_min.dev_attr.attr,
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&sensor_dev_attr_in6_max.dev_attr.attr,
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&sensor_dev_attr_in6_alarm.dev_attr.attr,
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NULL
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}, {
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&sensor_dev_attr_in6_beep.dev_attr.attr, /* 34 */
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&sensor_dev_attr_in7_input.dev_attr.attr,
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&sensor_dev_attr_in7_min.dev_attr.attr,
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&sensor_dev_attr_in7_max.dev_attr.attr,
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&sensor_dev_attr_in7_alarm.dev_attr.attr,
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NULL
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}, {
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&sensor_dev_attr_in8_input.dev_attr.attr,
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NULL
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}, {
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&sensor_dev_attr_in9_input.dev_attr.attr,
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NULL
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} };
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&sensor_dev_attr_in7_beep.dev_attr.attr, /* 39 */
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static const struct attribute_group it87_group_in[10] = {
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{ .attrs = it87_attributes_in[0] },
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{ .attrs = it87_attributes_in[1] },
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{ .attrs = it87_attributes_in[2] },
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{ .attrs = it87_attributes_in[3] },
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{ .attrs = it87_attributes_in[4] },
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{ .attrs = it87_attributes_in[5] },
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{ .attrs = it87_attributes_in[6] },
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{ .attrs = it87_attributes_in[7] },
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{ .attrs = it87_attributes_in[8] },
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{ .attrs = it87_attributes_in[9] },
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&sensor_dev_attr_in8_input.dev_attr.attr, /* 40 */
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&sensor_dev_attr_in9_input.dev_attr.attr, /* 41 */
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};
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static const struct attribute_group it87_group_in = {
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.attrs = it87_attributes_in,
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.is_visible = it87_in_is_visible,
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};
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static struct attribute *it87_attributes_temp[3][6] = {
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@ -1868,19 +1881,6 @@ static const struct attribute_group it87_group = {
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.attrs = it87_attributes,
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};
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static struct attribute *it87_attributes_in_beep[] = {
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&sensor_dev_attr_in0_beep.dev_attr.attr,
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&sensor_dev_attr_in1_beep.dev_attr.attr,
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&sensor_dev_attr_in2_beep.dev_attr.attr,
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&sensor_dev_attr_in3_beep.dev_attr.attr,
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&sensor_dev_attr_in4_beep.dev_attr.attr,
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&sensor_dev_attr_in5_beep.dev_attr.attr,
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&sensor_dev_attr_in6_beep.dev_attr.attr,
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&sensor_dev_attr_in7_beep.dev_attr.attr,
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NULL,
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NULL,
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};
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static struct attribute *it87_attributes_temp_beep[] = {
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&sensor_dev_attr_temp1_beep.dev_attr.attr,
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&sensor_dev_attr_temp2_beep.dev_attr.attr,
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@ -2435,14 +2435,8 @@ static void it87_remove_files(struct device *dev)
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int i;
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sysfs_remove_group(&dev->kobj, &it87_group);
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for (i = 0; i < 10; i++) {
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if (sio_data->skip_in & (1 << i))
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continue;
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sysfs_remove_group(&dev->kobj, &it87_group_in[i]);
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if (it87_attributes_in_beep[i])
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sysfs_remove_file(&dev->kobj,
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it87_attributes_in_beep[i]);
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}
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sysfs_remove_group(&dev->kobj, &it87_group_in);
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for (i = 0; i < 3; i++) {
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if (!(data->has_temp & (1 << i)))
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continue;
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@ -2736,6 +2730,10 @@ static int it87_probe(struct platform_device *pdev)
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data->has_temp &= ~(1 << 2);
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}
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data->has_in = 0x3ff & ~sio_data->skip_in;
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data->has_beep = !!sio_data->beep_pin;
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/* Initialize the IT87 chip */
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it87_init_device(pdev);
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@ -2744,19 +2742,9 @@ static int it87_probe(struct platform_device *pdev)
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if (err)
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return err;
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for (i = 0; i < 10; i++) {
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if (sio_data->skip_in & (1 << i))
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continue;
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err = sysfs_create_group(&dev->kobj, &it87_group_in[i]);
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if (err)
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goto error;
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if (sio_data->beep_pin && it87_attributes_in_beep[i]) {
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err = sysfs_create_file(&dev->kobj,
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it87_attributes_in_beep[i]);
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if (err)
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goto error;
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}
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}
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err = sysfs_create_group(&dev->kobj, &it87_group_in);
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if (err)
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goto error;
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for (i = 0; i < 3; i++) {
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if (!(data->has_temp & (1 << i)))
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