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hwmon fixes for v5.7-rc6

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Fix ADC access synchronization problem with da9052 driver
 Fix temperature limit and status reporting in nct7904 driver
 Fix drivetemp temperature reporting if SCT is supported
 but SCT data tables are not.
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Merge tag 'hwmon-for-v5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:

 - Fix ADC access synchronization problem with da9052 driver

 - Fix temperature limit and status reporting in nct7904 driver

 - Fix drivetemp temperature reporting if SCT is supported but SCT data
   tables are not.

* tag 'hwmon-for-v5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (da9052) Synchronize access with mfd
  hwmon: (nct7904) Fix incorrect range of temperature limit registers
  hwmon: (nct7904) Read all SMI status registers in probe function
  hwmon: (drivetemp) Fix SCT support if SCT data tables are not supported
This commit is contained in:
Linus Torvalds 2020-05-15 10:14:05 -07:00
commit 051e6b7e34
3 changed files with 14 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/hwmon/da9052-hwmon.c
View File

@ -244,9 +244,9 @@ static ssize_t da9052_tsi_show(struct device *dev,
int channel = to_sensor_dev_attr(devattr)->index;
int ret;
mutex_lock(&hwmon->hwmon_lock);
mutex_lock(&hwmon->da9052->auxadc_lock);
ret = __da9052_read_tsi(dev, channel);
mutex_unlock(&hwmon->hwmon_lock);
mutex_unlock(&hwmon->da9052->auxadc_lock);
if (ret < 0)
return ret;

2
drivers/hwmon/drivetemp.c
View File

@ -346,7 +346,7 @@ static int drivetemp_identify_sata(struct drivetemp_data *st)
st->have_temp_highest = temp_is_valid(buf[SCT_STATUS_TEMP_HIGHEST]);
if (!have_sct_data_table)
goto skip_sct;
goto skip_sct_data;
/* Request and read temperature history table */
memset(buf, '\0', sizeof(st->smartdata));

12
drivers/hwmon/nct7904.c
View File

@ -41,6 +41,7 @@
#define FANCTL_MAX 4 /* Counted from 1 */
#define TCPU_MAX 8 /* Counted from 1 */
#define TEMP_MAX 4 /* Counted from 1 */
#define SMI_STS_MAX 10 /* Counted from 1 */
#define VT_ADC_CTRL0_REG 0x20 /* Bank 0 */
#define VT_ADC_CTRL1_REG 0x21 /* Bank 0 */
@ -361,6 +362,7 @@ static int nct7904_read_temp(struct device *dev, u32 attr, int channel,
struct nct7904_data *data = dev_get_drvdata(dev);
int ret, temp;
unsigned int reg1, reg2, reg3;
s8 temps;
switch (attr) {
case hwmon_temp_input:
@ -466,7 +468,8 @@ static int nct7904_read_temp(struct device *dev, u32 attr, int channel,
if (ret < 0)
return ret;
*val = ret * 1000;
temps = ret;
*val = temps * 1000;
return 0;
}
@ -1009,6 +1012,13 @@ static int nct7904_probe(struct i2c_client *client,
data->fan_mode[i] = ret;
}
/* Read all of SMI status register to clear alarms */
for (i = 0; i < SMI_STS_MAX; i++) {
ret = nct7904_read_reg(data, BANK_0, SMI_STS1_REG + i);
if (ret < 0)
return ret;
}
hwmon_dev =
devm_hwmon_device_register_with_info(dev, client->name, data,
&nct7904_chip_info, NULL);