Hi,
On 01/24/2017 10:51 AM, Andy Shevchenko wrote:
On Mon, 2017-01-23 at 22:09 +0100, Hans de Goede wrote:
On my cherrytrail tablet with axp288 pmic, just doing a bunch of
repeated
reads from the pmic, e.g. "i2cdump -y 14 0x34" would lookup the tablet
in
1 - 3 runs guaranteed.
This seems to be
On Mon, 2017-01-23 at 22:09 +0100, Hans de Goede wrote:
> On my cherrytrail tablet with axp288 pmic, just doing a bunch of
> repeated
> reads from the pmic, e.g. "i2cdump -y 14 0x34" would lookup the tablet
> in
> 1 - 3 runs guaranteed.
>
> This seems to be causes by the cpu trying to enter C6 or
On my cherrytrail tablet with axp288 pmic, just doing a bunch of repeated
reads from the pmic, e.g. "i2cdump -y 14 0x34" would lookup the tablet in
1 - 3 runs guaranteed.
This seems to be causes by the cpu trying to enter C6 or C7 while we hold
the punit bus semaphore, at which point everything ju
