Re: [PATCH] hwmon: (pmbus) More stringent checking of VOUT_MODE register

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Mar 07, 2011 at 04:44:43PM -0500, Greg Schnorr wrote:
> Looks good, tested and works on one such VOUT_MODE poor design...
> 
> On 3/1/11 9:32 PM, "Guenter Roeck" <guenter.roeck@xxxxxxxxxxxx> wrote:
> 
> > Some PMBus chips do not support the VOUT_MODE register. To make matters worse,
> > such chips may not return an error when reading the register either, but
> > instead
> > return 0xff.
> > 
> > Check if the register exists using pmbus_check_byte_register() before reading
> > its value. In addition, validate the returned value and ignore it if it is
> > 0xff
> > (which is invalid).
> > 
> > Reported-by: Greg Schnorr <gschnorr@xxxxxxxxx>
> > Signed-off-by: Guenter Roeck <guenter.roeck@xxxxxxxxxxxx>
> Acked-by: Greg Schnorr <gschnorr@xxxxxxxxx>
> 
Thanks!

Guenter

_______________________________________________
lm-sensors mailing list
lm-sensors@xxxxxxxxxxxxxx
http://lists.lm-sensors.org/mailman/listinfo/lm-sensors


[Index of Archives]     [Linux Kernel]     [Linux Hardware Monitoring]     [Linux USB Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]

  Powered by Linux