[lm-sensors] (no subject)

[lm-sensors] (no subject)

[cilly]

Hi all,

I have a problem with vt1211-isa-6000 and VIA EPIA PE 10000 (1GHz),  
the vid is reported as: vid: +1.850 V  (VRM Version 9.1) and VCore:  
+1.22 V. Those values aren't correct, VCore is 1.4 V. I tried to set  
the vid manually, which does not work. Any hints? Thx.

Regards,

c.

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[lm-sensors] (no subject)

[jack]

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Dear all,

           Why I cannot read data form i2c? while in interrupt handler
function. The "printk" output is always 0. Could anybody tell me how to fix
me code for correctly reading the data send by i2c.

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/init.h>

#include <linux/i2c.h>

#include <linux/input.h>

#include <linux/delay.h>

#include <linux/clk.h>

#include <linux/gpio.h>

#include <asm/io.h>

#include "../../../arch/arm/mach-mx51/crm_regs.h"

#include "../../../arch/arm/mach-mx51/iomux.h"

 

#define ABC_I2C_ADDR         0x03

#define I2C_DEV_NAME         "i2c-0"

#define ABC_DD_NAME         "abc_dd"

 

struct abc_dd_priv {

       struct i2c_client *client;

       struct input_dev *input;

       int irq;

};

 

static irqreturn_t abc_event_handler(int irq, void *dev_id){

           int i;

           u_int8_t dd_data[10]={0};

           struct abc_dd_priv *priv = dev_id;    

           memset(dd_data, 0, sizeof(dd_data));

           i2c_master_recv(priv->client,dd_data,sizeof(dd_data));

           for(i=0;i<10;i++){

                     printk(KERN_INFO "dd_data[%d]=%d\n",i,dd_data[i]);

           }

           return IRQ_HANDLED;

}

/* -------------------------------------------------------------------------
*/

 

static int abc_i2c_probe(struct i2c_client *client, const struct
i2c_device_id *id){

 

           struct input_dev *abc_inputdev;

           struct abc_dd_priv *priv;

  unsigned long tmp;

           int retval;

  int res;

 

           priv = kzalloc(sizeof(struct abc_dd_priv), GFP_KERNEL);

        if (!priv) {

                dev_err(&client->dev, "failed to allocate driver data\n");

                return -ENOMEM;

        }

 

           i2c_set_clientdata(client, priv);

           priv->client = client;

           priv->irq = client->irq;

 

           if(priv->irq){

                     tmp=readl(MXC_CCM_CWDR);

                     writel(tmp|0x00000008, MXC_CCM_CWDR);

                     res=mxc_request_iomux(MX51_PIN_GPIO1_5,
IOMUX_CONFIG_ALT0);

                     gpio_config(0,5,false,GPIO_INT_HIGH_LEV);

 
gpio_request_irq(0,5,GPIO_LOW_PRIO,abc_event_handler,0,ABC_DD_NAME,priv);

           }         

 

           abc_inputdev = input_allocate_device();

           if (!abc_inputdev) {

                     printk(KERN_ERR "not enough memory for input
device\n");

                     return -ENOMEM;

           }

           priv->input = abc_inputdev;

           input_set_drvdata(abc_inputdev,priv);

  abc_inputdev->name = ABC_DD_NAME;

 

           retval = input_register_device(priv->input);

  if (retval < 0) {

                     input_free_device(abc_inputdev);

                     return retval;

           }

           return 0;

}

 

static const struct i2c_device_id abc_dd_id[] = {

        { "abc_dd", 0 },

        { }

};

 

MODULE_DEVICE_TABLE(i2c, abc_dd_id);

 

static struct i2c_driver abc_driver = {

        .driver = {

                   .name    = ABC_DD_NAME,

                                    .owner           = THIS_MODULE,

                   },

        .probe = abc_i2c_probe,

                 .id_table = abc_dd_id, 

};

 

/*

 * module load/unload record keeping

 */

 

static int __init abc_dd_init(void)

{

           printk(KERN_INFO "Diver Initiating...\n");

           return i2c_add_driver(&abc_driver);

}

 

static void __exit abc_dd_exit(void)

{

           i2c_del_driver(&abc_driver);

}

 

MODULE_AUTHOR("ABC International Inc.");

MODULE_DESCRIPTION("DD driver");

MODULE_LICENSE("GPL");

 

module_init(abc_dd_init);

module_exit(abc_dd_exit);


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[lm-sensors] (no subject)

[sravan vasu]

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winbond display drives we want


w 83667hg-B

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Re: [lm-sensors] (no subject)

[Guenter Roeck]

On Wed, Feb 29, 2012 at 04:23:08AM -0500, sravan vasu wrote:
> winbond display drives we want
> 
> 
> w 83667hg-B

Not sure I understand what you are trying to say. W83667HG-B is supported
by the w83627ehf driver.

Guenter

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[lm-sensors] (no subject)

[Crunchy Toast]

I've installed and configured the latest lm_sensors on CentOS 6, but still does not show temp.
=========================================

# sensors
k10temp-pci-00c3
Adapter: PCI adapter
temp1: +0.0째C (high = +70.0째C)
=========================================

Here is the output to sensors-detect

=========================================

# sensors-detect
Stopping lm_sensors: [ OK ]
# sensors-detect revision 6031 (2012-03-07 17:14:01 +0100)
# System: MSI MS-7599 [4.0]
# Board: MSI 870S-G46 (MS-7599)

This program will help you determine which kernel modules you need
to load to use lm_sensors most effectively. It is generally safe
and recommended to accept the default answers to all questions,
unless you know what you're doing.

Some south bridges, CPUs or memory controllers contain embedded sensors.
Do you want to scan for them? This is totally safe. (YES/no): yes
Silicon Integrated Systems SIS5595... No
VIA VT82C686 Integrated Sensors... No
VIA VT8231 Integrated Sensors... No
AMD K8 thermal sensors... No
AMD Family 10h thermal sensors... Success!
(driver `k10temp')
AMD Family 11h thermal sensors... No
AMD Family 12h and 14h thermal sensors... No
AMD Family 15h thermal sensors... No
AMD Family 15h power sensors... No
Intel digital thermal sensor... No
Intel AMB FB-DIMM thermal sensor... No
VIA C7 thermal sensor... No
VIA Nano thermal sensor... No

Some Super I/O chips contain embedded sensors. We have to write to
standard I/O ports to probe them. This is usually safe.
Do you want to scan for Super I/O sensors? (YES/no): yes
Probing for Super-I/O at 0x2e/0x2f
Trying family `National Semiconductor/ITE'... No
Trying family `SMSC'... No
Trying family `VIA/Winbond/Nuvoton/Fintek'... No
Trying family `ITE'... No
Probing for Super-I/O at 0x4e/0x4f
Trying family `National Semiconductor/ITE'... No
Trying family `SMSC'... No
Trying family `VIA/Winbond/Nuvoton/Fintek'... Yes
Found `Fintek F71889ED Super IO Sensors' Success!
(address 0x600, driver `f71882fg')

Some systems (mainly servers) implement IPMI, a set of common interfaces
through which system health data may be retrieved, amongst other things.
We first try to get the information from SMBIOS. If we don't find it
there, we have to read from arbitrary I/O ports to probe for such
interfaces. This is normally safe. Do you want to scan for IPMI
interfaces? (YES/no): yes
Probing for `IPMI BMC KCS' at 0xca0... No
Probing for `IPMI BMC SMIC' at 0xca8... No

Some hardware monitoring chips are accessible through the ISA I/O ports.
We have to write to arbitrary I/O ports to probe them. This is usually
safe though. Yes, you do have ISA I/O ports even if you do not have any
ISA slots! Do you want to scan the ISA I/O ports? (yes/NO): yes
Probing for `National Semiconductor LM78' at 0x290... No
Probing for `National Semiconductor LM79' at 0x290... No
Probing for `Winbond W83781D' at 0x290... No
Probing for `Winbond W83782D' at 0x290... No

Lastly, we can probe the I2C/SMBus adapters for connected hardware
monitoring devices. This is the most risky part, and while it works
reasonably well on most systems, it has been reported to cause trouble
on some systems.
Do you want to probe the I2C/SMBus adapters now? (YES/no): yes
Using driver `i2c-piix4' for device 0000:00:14.0: ATI Technologies Inc SB600/SB700/SB800 SMBus

Next adapter: nouveau-0000:01:05.0-2 (i2c-0)
Do you want to scan it? (YES/no/selectively): yes

Next adapter: nouveau-0000:01:05.0-0 (i2c-1)
Do you want to scan it? (YES/no/selectively): yes
Client found at address 0x50
Probing for `Analog Devices ADM1033'... No
Probing for `Analog Devices ADM1034'... No
Probing for `SPD EEPROM'... No
Probing for `EDID EEPROM'... Yes
(confidence 8, not a hardware monitoring chip)
Client found at address 0x51
Probing for `Analog Devices ADM1033'... No
Probing for `Analog Devices ADM1034'... No
Probing for `SPD EEPROM'... No
Client found at address 0x52
Probing for `Analog Devices ADM1033'... No
Probing for `Analog Devices ADM1034'... No
Probing for `SPD EEPROM'... No
Client found at address 0x53
Probing for `Analog Devices ADM1033'... No
Probing for `Analog Devices ADM1034'... No
Probing for `SPD EEPROM'... No

Next adapter: SMBus PIIX4 adapter at 0b00 (i2c-2)
Do you want to scan it? (yes/NO/selectively): yes
Client found at address 0x28
Probing for `National Semiconductor LM78'... No
Probing for `National Semiconductor LM79'... No
Probing for `National Semiconductor LM80'... No
Probing for `National Semiconductor LM96080'... No
Probing for `Winbond W83781D'... No
Probing for `Winbond W83782D'... No
Probing for `Winbond W83627HF'... No
Probing for `Winbond W83627EHF'... No
Probing for `Winbond W83627DHG/W83667HG/W83677HG'... No
Probing for `Asus AS99127F (rev.1)'... No
Probing for `Asus AS99127F (rev.2)'... No
Probing for `Asus ASB100 Bach'... No
Probing for `Analog Devices ADM1029'... No
Probing for `ITE IT8712F'... No
Client found at address 0x50
Probing for `Analog Devices ADM1033'... No
Probing for `Analog Devices ADM1034'... No
Probing for `SPD EEPROM'... Yes
(confidence 8, not a hardware monitoring chip)
Probing for `EDID EEPROM'... No
Client found at address 0x51
Probing for `Analog Devices ADM1033'... No
Probing for `Analog Devices ADM1034'... No
Probing for `SPD EEPROM'... Yes
(confidence 8, not a hardware monitoring chip)

Now follows a summary of the probes I have just done.
Just press ENTER to continue:

Driver `k10temp' (autoloaded):
* Chip `AMD Family 10h thermal sensors' (confidence: 9)

Driver `f71882fg':
* ISA bus, address 0x600
Chip `Fintek F71889ED Super IO Sensors' (confidence: 9)

Do you want to overwrite /etc/sysconfig/lm_sensors? (YES/no): yes
Starting lm_sensors: loading module f71882fg [ OK ]

# sensors
k10temp-pci-00c3
Adapter: PCI adapter
temp1: +0.0째C (high = +70.0째C)
=========================================
MB Model: MSI 870S-G46
Any additional info can be provided if needed.
Thanks in advance.
 		 	   		  
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[lm-sensors] (no subject)

[Mr. Tux]

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Hi list

How can I set sensor limits to an Asus m4a89gtd pro usb3 board using Debian/Squeeze?

The sensors output looks reasonable (compared to the BIOS values) . What I'm missing is critical limits
for the fan speeds in case of  0 RPM.

I forced the chassis fan to stop, got 0 RPM but no ALARM output. I assume the crit value is missing. Usually I set this in a /etc/sensors.d/<configfile>

Now this fails, because sensors3.conf does not show an entry for atk0110-* and I can't create one myself that is successfully parsed by sensors -s -c <configfile>

~$ sensors --version
sensors version 3.1.2 with libsensors version 3.1.2

~$ uname -r
2.6.32-5-686

~$ sensors

k10temp-pci-00c3
Adapter: PCI adapter
temp1:       +15.0°C  (high = +70.0°C, crit = +90.0°C)  

atk0110-acpi-0
Adapter: ACPI interface
Vcore Voltage:      +1.07 V  (min =  +0.80 V, max =  +1.60 V)
+3.3V Voltage:      +3.29 V  (min =  +2.97 V, max =  +3.63 V)
+5V Voltage:        +4.97 V  (min =  +4.50 V, max =  +5.50 V)
+12V Voltage:      +12.07 V  (min = +10.20 V, max = +13.80 V)
CPU Fan Speed:     1537 RPM  (min =  600 RPM)
Chassis Fan Speed:    1467 RPM  (min =  600 RPM)
Chassis2 Fan Speed:   0 RPM  (min =  600 RPM)
Power Fan Speed:      0 RPM  (min =  600 RPM)
CPU Temperature:    +24.0°C  (high = +60.0°C, crit = +95.0°C)  
MB Temperature:     +23.0°C  (high = +45.0°C, crit = +75.0°C)  


Should I rebuild libsensors / try a newer kernel / create the config file in a different way?

What's the right thing to do here?
 		 	   		  

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[lm-sensors] (no subject)

[Stevie Trujillo]

Hello, thank you for helping me! I'm sorry that I was so slow. My
loglevel was wrong so I started messing with netconsole.

I tested this with 3.4.4 kernel. I realized that your module seems to
be from git version of kernel, it compiled without errors tho. I can
try compile git kernel if that's better!

On 2012-07-11 15:26, Jean Delvare wrote:
> On Tue, 10 Jul 2012 16:24:55 +0200, Stevie Trujillo wrote:
>> I have a Gigabyte GA-Z77X-UD3H motherboard with a 3570k CPU and 32GiB ram.
>>   * ISA bus, address 0xa30
>>     Chip `ITE IT8728F Super IO Sensors' (confidence: 9)
>>
>> I run Gentoo with linux-3.4.4, if I do "modprobe it87" the system freezes.
>> I was told GA-Z77X-D3H (not UD3H) works in Debian Squeeze with 3.2
>> kernel from Debian backports.
>> I installed Squeeze, for me it freezes there too:
>>
>> # modprobe it87
>> it87: Found IT8728F chip at 0xa30, revision 1
>> it87: Beeping is supported
>> * here it froze*
>
> Very odd. I think this is the first report of that kind. You are not
> booting with acpi_enforce_resources=lax or =no, are you?

I only have root= and ro
[    0.000000] Command line: BOOT_IMAGE=/vmlinuz-3.4.4 root=/dev/... ro

But I forgot to mention these lines
[    6.634492] ACPI Warning: 0x000000000000f040-0x000000000000f05f
SystemIO conflicts with Region \_SB_.PCI0.SBUS.SMBI 1
(20120320/utaddress-251)
[    6.634496] ACPI: If an ACPI driver is available for this device,
you should use it instead of the native driver

and that i tried booting with something like "noacpi acpi=off", but it
still froze.

>> How can I fix/debug this?
>
> I have no immediate idea. Please check in /proc/ioports if you see
> anything suspicious at address 0xa30.

$ cat /proc/ioports
0000-0cf7 : PCI Bus 0000:00
  0000-001f : dma1
  0020-0021 : pic1
  0040-0043 : timer0
  0050-0053 : timer1
  0060-0060 : keyboard
  0064-0064 : keyboard
  0070-0077 : rtc0
  0080-008f : dma page reg
  00a0-00a1 : pic2
  00c0-00df : dma2
  00f0-00ff : fpu
  0200-020f : pnp 00:05
  03c0-03df : vga+
  0400-0453 : pnp 00:05
    0400-0403 : ACPI PM1a_EVT_BLK
    0404-0405 : ACPI PM1a_CNT_BLK
    0408-040b : ACPI PM_TMR
    0410-0415 : ACPI CPU throttle
    0420-042f : ACPI GPE0_BLK
    0450-0450 : ACPI PM2_CNT_BLK
  0454-0457 : pnp 00:07
  0458-047f : pnp 00:05
  04d0-04d1 : pnp 00:09
  0500-057f : pnp 00:05
  0680-069f : pnp 00:05
  0a00-0a0f : pnp 00:08
  0a20-0a2f : pnp 00:08
  0a30-0a3f : pnp 00:08
    0a35-0a36 : it87
      0a35-0a36 : it87
0cf8-0cff : PCI conf1
0d00-ffff : PCI Bus 0000:00
  164e-164f : pnp 00:05
  c000-cfff : PCI Bus 0000:07
    c000-c00f : 0000:07:00.0
      c000-c00f : ahci
    c010-c013 : 0000:07:00.0
      c010-c013 : ahci
    c020-c027 : 0000:07:00.0
      c020-c027 : ahci
    c030-c033 : 0000:07:00.0
      c030-c033 : ahci
    c040-c047 : 0000:07:00.0
      c040-c047 : ahci
  d000-dfff : PCI Bus 0000:06
    d000-d07f : 0000:06:00.0
      d000-d07f : atl1c
  e000-efff : PCI Bus 0000:02
    e000-e01f : 0000:02:00.0
  f000-f03f : 0000:00:02.0
  f040-f05f : 0000:00:1f.3
  f060-f07f : 0000:00:1f.2
    f060-f07f : ahci
  f080-f083 : 0000:00:1f.2
    f080-f083 : ahci
  f090-f097 : 0000:00:1f.2
    f090-f097 : ahci
  f0a0-f0a3 : 0000:00:1f.2
    f0a0-f0a3 : ahci
  f0b0-f0b7 : 0000:00:1f.2
    f0b0-f0b7 : ahci
  ffff-ffff : pnp 00:05
    ffff-ffff : pnp 00:05

>
> I have added a module parameter to the it87 driver. The updated driver
> is here:
>   http://khali.linux-fr.org/devel/misc/it87/
> Build instructions are at:
>   http://khali.linux-fr.org/devel/misc/INSTALL
>
> You can load this it87 driver with write=0 to disable all register
> writes. This will tell us if at least the driver works when not writing
> to registers (I expect so.)

You are correct! No freeze and the values looks kinda sane.
# sensors
coretemp-isa-0000
Adapter: ISA adapter
Physical id 0:  +37.0°C  (high = +85.0°C, crit = +105.0°C)
Core 0:         +36.0°C  (high = +85.0°C, crit = +105.0°C)
Core 1:         +37.0°C  (high = +85.0°C, crit = +105.0°C)
Core 2:         +34.0°C  (high = +85.0°C, crit = +105.0°C)
Core 3:         +36.0°C  (high = +85.0°C, crit = +105.0°C)

acpitz-virtual-0
Adapter: Virtual device
temp1:        +27.8°C  (crit = +106.0°C)
temp2:        +29.8°C  (crit = +106.0°C)

it8728-isa-0a30
Adapter: ISA adapter
in0:          +1.06 V  (min =  +0.00 V, max =  +3.06 V)
in1:          +2.05 V  (min =  +0.00 V, max =  +3.06 V)
in2:          +2.03 V  (min =  +0.00 V, max =  +3.06 V)
in3:          +1.99 V  (min =  +0.00 V, max =  +3.06 V)
in4:          +0.00 V  (min =  +0.00 V, max =  +3.06 V)
in5:          +0.84 V  (min =  +0.00 V, max =  +3.06 V)
in6:          +1.51 V  (min =  +0.00 V, max =  +3.06 V)
3VSB:         +3.38 V  (min =  +0.00 V, max =  +6.12 V)
Vbat:         +3.26 V
fan1:         982 RPM  (min =    0 RPM)
fan2:           0 RPM  (min =    0 RPM)
fan3:           0 RPM  (min =    0 RPM)
fan4:           0 RPM  (min =    0 RPM)
fan5:           0 RPM  (min =    0 RPM)
temp1:        +35.0°C  (low  = +127.0°C, high = +127.0°C)  sensor =
thermistor
temp2:        +44.0°C  (low  = +127.0°C, high = +127.0°C)  sensor =
thermistor
temp3:        +30.0°C  (low  = +127.0°C, high = +127.0°C)  sensor =
disabled
intrusion0:  ALARM

> If that works, then please unload the driver and reload with write=2.
> This will log every register write right before it happens. So the last
> message logged is likely to point to a register write which is
> inappropriate for your device/board.

I only see these lines:
[  265.408976] it87: Found IT8728F chip at 0xa30, revision 1
[  265.410655] it87: Beeping is supported
[  265.411583] it87: Writing value 0x37 to register 0x0c
[  265.423124] it87: Writing value 0x13 to register 0x00

--
Stevie Trujillo

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Re: [lm-sensors] (no subject)

[Guenter Roeck]

On Wed, Jul 11, 2012 at 04:16:21PM +0200, Stevie Trujillo wrote:
[ ... ]
> 
> > If that works, then please unload the driver and reload with write=2.
> > This will log every register write right before it happens. So the last
> > message logged is likely to point to a register write which is
> > inappropriate for your device/board.
> 
> I only see these lines:
> [  265.408976] it87: Found IT8728F chip at 0xa30, revision 1
> [  265.410655] it87: Beeping is supported
> [  265.411583] it87: Writing value 0x37 to register 0x0c
> [  265.423124] it87: Writing value 0x13 to register 0x00
> 
Jean,

it87_write_value(data, IT87_REG_CONFIG,
                 (it87_read_value(data, IT87_REG_CONFIG) & 0x36)
			| (update_vbat ? 0x41 : 0x01));

Unless I am missing something, the above code enables interrupts by clearing
bit 3. In combination with having bit 1 set, this means that SMI# interrupts
will be enabled. Default value for the register, at least for IT8721F and
IT8718F, is 0x18. Replacing the 0x36 mask above with 0x3e might possibly solve
the problem.

Guenter

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Re: [lm-sensors] (no subject)

[richardvoigt]

If the purpose is to clear a single bit, wouldn't code of the form

    old & ~bit

be better?

On Wed, Jul 11, 2012 at 9:45 AM, Guenter Roeck <linux@roeck-us.net> wrote:
> On Wed, Jul 11, 2012 at 04:16:21PM +0200, Stevie Trujillo wrote:
> [ ... ]
>>
>> > If that works, then please unload the driver and reload with write=2.
>> > This will log every register write right before it happens. So the last
>> > message logged is likely to point to a register write which is
>> > inappropriate for your device/board.
>>
>> I only see these lines:
>> [  265.408976] it87: Found IT8728F chip at 0xa30, revision 1
>> [  265.410655] it87: Beeping is supported
>> [  265.411583] it87: Writing value 0x37 to register 0x0c
>> [  265.423124] it87: Writing value 0x13 to register 0x00
>>
> Jean,
>
> it87_write_value(data, IT87_REG_CONFIG,
>                  (it87_read_value(data, IT87_REG_CONFIG) & 0x36)
>                         | (update_vbat ? 0x41 : 0x01));
>
> Unless I am missing something, the above code enables interrupts by clearing
> bit 3. In combination with having bit 1 set, this means that SMI# interrupts
> will be enabled. Default value for the register, at least for IT8721F and
> IT8718F, is 0x18. Replacing the 0x36 mask above with 0x3e might possibly solve
> the problem.
>
> Guenter
>
> _______________________________________________
> lm-sensors mailing list
> lm-sensors@lm-sensors.org
> http://lists.lm-sensors.org/mailman/listinfo/lm-sensors

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[lm-sensors] (no subject)

[John WICKS]

G'day gentlemen/women,

please excuse any fumbling questions as I am new to Linux

sensors-detect failed to see my SMbus, I have a Dell Inspiron 8500 
laptop with an Intel 82801 DBM SMbus controller (ICH4-M)

my question is do I use/will the i801 driver work? and what is the best 
way to get it to work?

would Ilja Rauhut's p4b hack do the trick?

any lead would be greatfully appreciated

regards

kensai

-- 
*
John Wicks
kensai@tassie.net.au
Ph: +61 3 6343 4358*

[lm-sensors] (no subject)

[gaming]

Hi together,

with this email I want to request the driver for the AMD Phenom / K10 as
stated on your website:
> (2007-10-07) To be written. Please contact us if you have such CPU and
> willing to write or test the driver.

Currenty I am using a Gentoo Linux x64 with a 2.6.25 kernel
(gentoo-sources-2.6.25-r7), the system is running on a Phenom X3 8600 and
Asus M2N-VM HDMI mainboard (which works quite well with the kernel's it87
driver). Please let me know if I can participate in the beta test program
and if there are special requirements I need to fulfil.

Thank you very much for your reply.

Rgds
Marcus Wiedemann


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[lm-sensors] (no subject)

[Jeremy Harmon]

http://foto-licious.com/wp-content/themes/default/friends.html

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[lm-sensors] (no subject)

[Nat Gurumoorthy]

There are 3 different drivers that touch the it87 hardware registers.
The 3 drivers have been written independently and access the it87 hardware
registers assuming they are the only driver accessing it. This change
attempts to serialize access to the hardware by using
"request_muxed_region" macro defined by Alan Cox. Call to this macro
will hold off the requestor if the resource is currently busy.
The use of the above macro makes it possible to get rid of
spinlocks in it8712f_wdt.c and it87_wdt.c watchdog drivers.
This also greatly simplifies the implementation of it87_wdt.c driver.

01 - Changes to it87 watchdog driver to use "request_muxed_region"
 drivers/watchdog/it8712f_wdt.c
 drivers/watchdog/it87_wdt.c

02 - Chages to hwmon it87 driver to use "request_muxed_region"
 drivers/hwmon/it87.c

 drivers/hwmon/it87.c           |   14 +++-
 drivers/watchdog/it8712f_wdt.c |   60 ++++++++++----
 drivers/watchdog/it87_wdt.c    |  165 +++++++++++++++++++++++----------------
 3 files changed, 152 insertions(+), 87 deletions(-)
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c

Signed-off-by: Nat Gurumoorthy <natg@google.com>

Patch History:
v8:
- Return the error actually returned by superio_enter and not -EBUSY.
  Notifier routines return NOTIFY_DONE even if underlying calls from
  notifier to routines that invoke superio_enter return with error.
  Make sure release routines returns do proper clean up even if calls to
  superio_enter fail.

v7:
- superio_enter return error if call to "request_muxed_region" fails. Rest
  of the changes deal with error returns from superio_enter. Changes to
  it87_wdt.c are untested.

v6:
- Pay attention to value returned by request_muxed_region. The first call to
  request_muxed_region will attempt 10 times to reserve the region before it
  gives up. This will typically get called from the driver init routines. If this
  succeeds then subsequent calls wait forever for the resource to be available.

v5:
- Remove unnecessary while from superio_enter.

v4:
- Remove extra braces in superio_enter routines.

v3:
- Totally abandon the spinlock based approach and use "request_muxed_region" to
  hold off requestors if the resource is busy.

v2:
- More verbose patch headers. Add In-Reply-To: field.


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Re: [lm-sensors] (no subject)

[Guenter Roeck]

On Fri, 2011-05-06 at 14:52 -0400, Nat Gurumoorthy wrote:
> There are 3 different drivers that touch the it87 hardware registers.
> The 3 drivers have been written independently and access the it87 hardware
> registers assuming they are the only driver accessing it. This change
> attempts to serialize access to the hardware by using
> "request_muxed_region" macro defined by Alan Cox. Call to this macro
> will hold off the requestor if the resource is currently busy.
> The use of the above macro makes it possible to get rid of
> spinlocks in it8712f_wdt.c and it87_wdt.c watchdog drivers.
> This also greatly simplifies the implementation of it87_wdt.c driver.
> 
> 01 - Changes to it87 watchdog driver to use "request_muxed_region"
>  drivers/watchdog/it8712f_wdt.c
>  drivers/watchdog/it87_wdt.c
> 
> 02 - Chages to hwmon it87 driver to use "request_muxed_region"
>  drivers/hwmon/it87.c
> 
>  drivers/hwmon/it87.c           |   14 +++-
>  drivers/watchdog/it8712f_wdt.c |   60 ++++++++++----
>  drivers/watchdog/it87_wdt.c    |  165 +++++++++++++++++++++++----------------
>  3 files changed, 152 insertions(+), 87 deletions(-)
> diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
> 
> Signed-off-by: Nat Gurumoorthy <natg@google.com>
> 
> Patch History:
> v8:
> - Return the error actually returned by superio_enter and not -EBUSY.

Hi Nat,

Your use of -EBUSY vs. the returned error code is still inconsistent,
for superio_enter() as well as for other functions returning an error
code.

Also, the following line split is really unnecessary.

-static inline void superio_enter(void)
+static inline int
+superio_enter(void)

Guenter



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Re: [lm-sensors] (no subject)

[Natarajan Gurumoorthy]

Guenter,
    Good catch. Forgot to checkin drivers/hwmon/it87.c. Also found a
couple of places I missed in driver/watch/it8712_wdt.c. Patch #9 will
be shipped later tonight. Got pulled off to do something else. Expect
patch late tonight.

Regards
Nat


On Fri, May 6, 2011 at 12:13 PM, Guenter Roeck
<guenter.roeck@ericsson.com> wrote:
> On Fri, 2011-05-06 at 14:52 -0400, Nat Gurumoorthy wrote:
>> There are 3 different drivers that touch the it87 hardware registers.
>> The 3 drivers have been written independently and access the it87 hardware
>> registers assuming they are the only driver accessing it. This change
>> attempts to serialize access to the hardware by using
>> "request_muxed_region" macro defined by Alan Cox. Call to this macro
>> will hold off the requestor if the resource is currently busy.
>> The use of the above macro makes it possible to get rid of
>> spinlocks in it8712f_wdt.c and it87_wdt.c watchdog drivers.
>> This also greatly simplifies the implementation of it87_wdt.c driver.
>>
>> 01 - Changes to it87 watchdog driver to use "request_muxed_region"
>>  drivers/watchdog/it8712f_wdt.c
>>  drivers/watchdog/it87_wdt.c
>>
>> 02 - Chages to hwmon it87 driver to use "request_muxed_region"
>>  drivers/hwmon/it87.c
>>
>>  drivers/hwmon/it87.c           |   14 +++-
>>  drivers/watchdog/it8712f_wdt.c |   60 ++++++++++----
>>  drivers/watchdog/it87_wdt.c    |  165 +++++++++++++++++++++++----------------
>>  3 files changed, 152 insertions(+), 87 deletions(-)
>> diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
>>
>> Signed-off-by: Nat Gurumoorthy <natg@google.com>
>>
>> Patch History:
>> v8:
>> - Return the error actually returned by superio_enter and not -EBUSY.
>
> Hi Nat,
>
> Your use of -EBUSY vs. the returned error code is still inconsistent,
> for superio_enter() as well as for other functions returning an error
> code.
>
> Also, the following line split is really unnecessary.
>
> -static inline void superio_enter(void)
> +static inline int
> +superio_enter(void)
>
> Guenter
>
>
>



-- 
Regards
Nat Gurumoorthy AB6SJ

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[lm-sensors] (no subject)

[Jeremy Harmon]

http://ervianto.com/wp-content/themes/twentyten/work.html

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[lm-sensors] (no subject)

[su_pyrow]

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http://realdealcasinoparty.com/components/com_ag_google_analytics2/html.php?html143

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[lm-sensors] (no subject)

[Guenter Roeck]

Fix checkpatch errors and warnings, rename attributes to use standardized names,
fix rpm mode value range, and initialize pwm_mode and pwm_enable if there is not
platform data.

If we agree on this set of patches, the pending patches to add support for
F75383 should probably be applied on top of it.

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Re: [lm-sensors] (no subject)

[Guenter Roeck]

On Thu, 2011-12-08 at 13:31 -0500, Guenter Roeck wrote:
> Fix checkpatch errors and warnings, rename attributes to use standardized names,
> fix rpm mode value range, and initialize pwm_mode and pwm_enable if there is not
> platform data.
> 
> If we agree on this set of patches, the pending patches to add support for
> F75383 should probably be applied on top of it.
> 
Oops .. I'll resend the series with proper subject.



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[lm-sensors] (no subject)

[郭�园]

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[lm-sensors] (no subject)

[Dok Sander]

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http://thesoulofthebay.com/wp-content/themes/listings/google.html

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[lm-sensors] (no subject)

[Robert Hinson]

CvCfmo0KU2VudCBmcm9tIG15IGlQb2QKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f
X19fX19fX19fX19fX18KbG0tc2Vuc29ycyBtYWlsaW5nIGxpc3QKbG0tc2Vuc29yc0BsbS1zZW5z
b3JzLm9yZwpodHRwOi8vbGlzdHMubG0tc2Vuc29ycy5vcmcvbWFpbG1hbi9saXN0aW5mby9sbS1z
ZW5zb3Jz

[lm-sensors] (no subject)

[morgan chong]

I have an  MSI FM2-A55M-E33 Micro ATX FM2 Motherboard and I'm told it has a Fintek F71868AD sensor chip.  ANy plans/ideas when lm-sensors might have support for this?

Thanks.
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