Hi Ben, Paul,
I had a report by Tim Shepard (Cc'd) that the therm_adt746x driver
sometimes fails to initialize on his PowerBook G4 running kernel
2.6.31. The following error message can be seen in the logs when the
failure happens:
therm_adt746x 7-002e: Thermostat failed to read config!
After en
On Tue, 2009-10-13 at 11:23 +0200, Jean Delvare wrote:
> Hi Ben, Paul,
>
> I had a report by Tim Shepard (Cc'd) that the therm_adt746x driver
> sometimes fails to initialize on his PowerBook G4 running kernel
> 2.6.31. The following error message can be seen in the logs when the
> failure happens:
On Tue, 13 Oct 2009 20:32:28 +1100, Benjamin Herrenschmidt wrote:
> On Tue, 2009-10-13 at 11:23 +0200, Jean Delvare wrote:
> > Hi Ben, Paul,
> >
> > I had a report by Tim Shepard (Cc'd) that the therm_adt746x driver
> > sometimes fails to initialize on his PowerBook G4 running kernel
> > 2.6.31. T
Hi all,
On Tue, 13 Oct 2009 11:49:48 +0200, Jean Delvare wrote:
> I2C bus being setup too fast sounds more likely. It might be worth
> adding an arbitrary delay after initialization, just to see if it
> helps. Not sure where though, as I'm not familiar with the Powermac
> initialization steps. May
On Wed, 2009-10-14 at 23:02 +0200, Jean Delvare wrote:
> Hi all,
>
> On Tue, 13 Oct 2009 11:49:48 +0200, Jean Delvare wrote:
> > I2C bus being setup too fast sounds more likely. It might be worth
> > adding an arbitrary delay after initialization, just to see if it
> > helps. Not sure where though
On Thu, 15 Oct 2009 08:26:15 +1100, Benjamin Herrenschmidt wrote:
> On Wed, 2009-10-14 at 23:02 +0200, Jean Delvare wrote:
> > Hi all,
> >
> > On Tue, 13 Oct 2009 11:49:48 +0200, Jean Delvare wrote:
> > > I2C bus being setup too fast sounds more likely. It might be worth
> > > adding an arbitrary
On Thu, 2009-10-15 at 12:49 +0200, Jean Delvare wrote:
> Oh. Well, if that was the case, we would see errors all the time, not
> just during initialization, right? Or does the I2C clock frequency
> change over time somehow?
No but maybe we are a bit on the "limit" of the device and some
registers
On Thu, 15 Oct 2009 22:19:19 +1100, Benjamin Herrenschmidt wrote:
> On Thu, 2009-10-15 at 12:49 +0200, Jean Delvare wrote:
> > Oh. Well, if that was the case, we would see errors all the time, not
> > just during initialization, right? Or does the I2C clock frequency
> > change over time somehow?
>
On Thu, 15 Oct 2009 16:05:13 +0200, Jean Delvare wrote:
> On Thu, 15 Oct 2009 22:19:19 +1100, Benjamin Herrenschmidt wrote:
> > On Thu, 2009-10-15 at 12:49 +0200, Jean Delvare wrote:
> > > Oh. Well, if that was the case, we would see errors all the time, not
> > > just during initialization, right?
On Fri, 2009-10-16 at 09:44 +0200, Jean Delvare wrote:
> On Thu, 15 Oct 2009 16:05:13 +0200, Jean Delvare wrote:
> > On Thu, 15 Oct 2009 22:19:19 +1100, Benjamin Herrenschmidt wrote:
> > > On Thu, 2009-10-15 at 12:49 +0200, Jean Delvare wrote:
> > > > Oh. Well, if that was the case, we would see er
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