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Five patches since v3.3-rc7: 

fecfb64 hwmon: (zl6100) Enable interval between chip accesses for all chips
 c43524b hwmon: (w83627ehf) Describe undocumented pwm attributes
 aacb6b0 hwmon: (w83627ehf) Fix temp2 source for W83627UHG
 32260d9 hwmon: (w83627ehf) Fix memory leak in probe function
 33fa9b6 hwmon: (w83627ehf) Fix writing into fan_stop_time for NCT6775F/NCT6776F
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck.

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (zl6100) Enable interval between chip accesses for all chips
  hwmon: (w83627ehf) Describe undocumented pwm attributes
  hwmon: (w83627ehf) Fix temp2 source for W83627UHG
  hwmon: (w83627ehf) Fix memory leak in probe function
  hwmon: (w83627ehf) Fix writing into fan_stop_time for NCT6775F/NCT6776F
This commit is contained in:
Linus Torvalds 2012-03-15 17:13:39 -07:00
Родитель 0c48ca8512 fecfb64422
Коммит 538e7e96fd
4 изменённых файлов: 24 добавлений и 28 удалений
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9
Documentation/hwmon/w83627ehf
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@ -50,7 +50,7 @@ W83627DHG, W83627DHG-P, W83627UHG, W83667HG, W83667HG-B, W83667HG-I
(NCT6775F), and NCT6776F super I/O chips. We will refer to them collectively
as Winbond chips.
The chips implement 2 to 4 temperature sensors (9 for NCT6775F and NCT6776F),
The chips implement 3 to 4 temperature sensors (9 for NCT6775F and NCT6776F),
2 to 5 fan rotation speed sensors, 8 to 10 analog voltage sensors, one VID
(except for 627UHG), alarms with beep warnings (control unimplemented),
and some automatic fan regulation strategies (plus manual fan control mode).
@ -143,8 +143,13 @@ pwm[1-4]_min_output - minimum fan speed (range 1 - 255), when the temperature
pwm[1-4]_stop_time - how many milliseconds [ms] must elapse to switch
corresponding fan off. (when the temperature was below
defined range).
pwm[1-4]_start_output-minimum fan speed (range 1 - 255) when spinning up
pwm[1-4]_step_output- rate of fan speed change (1 - 255)
pwm[1-4]_stop_output- minimum fan speed (range 1 - 255) when spinning down
pwm[1-4]_max_output - maximum fan speed (range 1 - 255), when the temperature
is above defined range.
Note: last two functions are influenced by other control bits, not yet exported
Note: last six functions are influenced by other control bits, not yet exported
by the driver, so a change might not have any effect.
Implementation Details

14
Documentation/hwmon/zl6100
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@ -88,14 +88,12 @@ Module parameters
delay
-----
Some Intersil/Zilker Labs DC-DC controllers require a minimum interval between
I2C bus accesses. According to Intersil, the minimum interval is 2 ms, though
1 ms appears to be sufficient and has not caused any problems in testing.
The problem is known to affect ZL6100, ZL2105, and ZL2008. It is known not to
affect ZL2004 and ZL6105. The driver automatically sets the interval to 1 ms
except for ZL2004 and ZL6105. To enable manual override, the driver provides a
writeable module parameter, 'delay', which can be used to set the interval to
a value between 0 and 65,535 microseconds.
Intersil/Zilker Labs DC-DC controllers require a minimum interval between I2C
bus accesses. According to Intersil, the minimum interval is 2 ms, though 1 ms
appears to be sufficient and has not caused any problems in testing. The problem
is known to affect all currently supported chips. For manual override, the
driver provides a writeable module parameter, 'delay', which can be used to set
the interval to a value between 0 and 65,535 microseconds.
Sysfs entries

12
drivers/hwmon/pmbus/zl6100.c
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@ -200,17 +200,11 @@ static int zl6100_probe(struct i2c_client *client,
data->id = mid->driver_data;
/*
* ZL2005, ZL2008, ZL2105, and ZL6100 are known to require a wait time
* between I2C accesses. ZL2004 and ZL6105 are known to be safe.
* Other chips have not yet been tested.
*
* Only clear the wait time for chips known to be safe. The wait time
* can be cleared later for additional chips if tests show that it
* is not needed (in other words, better be safe than sorry).
* According to information from the chip vendor, all currently
* supported chips are known to require a wait time between I2C
* accesses.
*/
data->delay = delay;
if (data->id == zl2004 || data->id == zl6105)
data->delay = 0;
/*
* Since there was a direct I2C device access above, wait before

17
drivers/hwmon/w83627ehf.c
Просмотреть файл

@ -39,7 +39,7 @@
0x8860 0xa1
w83627dhg 9 5 4 3 0xa020 0xc1 0x5ca3
w83627dhg-p 9 5 4 3 0xb070 0xc1 0x5ca3
w83627uhg 8 2 2 2 0xa230 0xc1 0x5ca3
w83627uhg 8 2 2 3 0xa230 0xc1 0x5ca3
w83667hg 9 5 3 3 0xa510 0xc1 0x5ca3
w83667hg-b 9 5 3 4 0xb350 0xc1 0x5ca3
nct6775f 9 4 3 9 0xb470 0xc1 0x5ca3
@ -1607,7 +1607,7 @@ store_##reg(struct device *dev, struct device_attribute *attr, \
val = step_time_to_reg(val, data->pwm_mode[nr]); \
mutex_lock(&data->update_lock); \
data->reg[nr] = val; \
w83627ehf_write_value(data, W83627EHF_REG_##REG[nr], val); \
w83627ehf_write_value(data, data->REG_##REG[nr], val); \
mutex_unlock(&data->update_lock); \
return count; \
} \
@ -2004,7 +2004,8 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
goto exit;
}
data = kzalloc(sizeof(struct w83627ehf_data), GFP_KERNEL);
data = devm_kzalloc(&pdev->dev, sizeof(struct w83627ehf_data),
GFP_KERNEL);
if (!data) {
err = -ENOMEM;
goto exit_release;
@ -2157,16 +2158,16 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
w83627ehf_set_temp_reg_ehf(data, 3);
/*
* Temperature sources for temp1 and temp2 are selected with
* Temperature sources for temp2 and temp3 are selected with
* bank 0, registers 0x49 and 0x4a.
*/
data->temp_src[0] = 0; /* SYSTIN */
reg = w83627ehf_read_value(data, 0x49) & 0x07;
/* Adjust to have the same mapping as other source registers */
if (reg == 0)
data->temp_src[1]++;
data->temp_src[1] = 1;
else if (reg >= 2 && reg <= 5)
data->temp_src[1] += 2;
data->temp_src[1] = reg + 2;
else /* should never happen */
data->have_temp &= ~(1 << 1);
reg = w83627ehf_read_value(data, 0x4a);
@ -2493,9 +2494,8 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
exit_remove:
w83627ehf_device_remove_files(dev);
kfree(data);
platform_set_drvdata(pdev, NULL);
exit_release:
platform_set_drvdata(pdev, NULL);
release_region(res->start, IOREGION_LENGTH);
exit:
return err;
@ -2509,7 +2509,6 @@ static int __devexit w83627ehf_remove(struct platform_device *pdev)
w83627ehf_device_remove_files(&pdev->dev);
release_region(data->addr, IOREGION_LENGTH);
platform_set_drvdata(pdev, NULL);
kfree(data);
return 0;
}