On Sun, 2017-01-08 at 14:44 +0100, Hans de Goede wrote: > Call the iosf_mbi pmic_bus_access_notifier_chain on bus acquire / > release. >
FWIW: Reviewed-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com> > BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=155241 > Signed-off-by: Hans de Goede <hdegoede at redhat.com> > Tested-by: tagorereddy <tagore.chandan at gmail.com> > --- > Â drivers/i2c/busses/i2c-designware-baytrail.c | 4 ++++ > Â 1 file changed, 4 insertions(+) > > diff --git a/drivers/i2c/busses/i2c-designware-baytrail.c > b/drivers/i2c/busses/i2c-designware-baytrail.c > index cf7a2a0..e8cf10a 100644 > --- a/drivers/i2c/busses/i2c-designware-baytrail.c > +++ b/drivers/i2c/busses/i2c-designware-baytrail.c > @@ -63,6 +63,8 @@ static void reset_semaphore(struct dw_i2c_dev *dev) > Â > Â pm_qos_update_request(&dev->pm_qos, PM_QOS_DEFAULT_VALUE); > Â > + iosf_mbi_call_pmic_bus_access_notifier_chain(MBI_PMIC_BUS_ACC > ESS_END, > + Â Â Â Â Â NULL); > Â iosf_mbi_punit_unlock(); > Â } > Â > @@ -82,6 +84,8 @@ static int baytrail_i2c_acquire(struct dw_i2c_dev > *dev) > Â return 0; > Â > Â iosf_mbi_punit_lock(); > + iosf_mbi_call_pmic_bus_access_notifier_chain(MBI_PMIC_BUS_ACC > ESS_BEGIN, > + Â Â Â Â Â NULL); > Â > Â /* > Â Â * Disallow the CPU to enter C6 or C7 state, entering these > states -- Andy Shevchenko <andriy.shevchenko at linux.intel.com> Intel Finland Oy
