On Tue, Jun 23, 2020 at 11:46:35AM +0300, Andy Shevchenko wrote:
> On Tue, Jun 23, 2020 at 11:31:13AM +0300, Jarkko Nikula wrote:
> > John Stultz reported that commit f9288fcc5c615 ("i2c: designware: Move
> > ACPI parts into common module") caused a regression on the HiKey board
> > where adv7511 HDMI bridge driver wasn't probing anymore due the I2C bus
> > failed to start.
> >
> > It seems the change caused the bus speed being zero when CONFIG_ACPI
> > not set and neither speed based on "clock-frequency" device property or
> > default fast mode is set.
> >
> > Fix this by moving bus speed setting back to dw_i2c_plat_probe() and let
> > the i2c_dw_acpi_adjust_bus_speed() adjust only speed from ACPI.
>
> I have slightly different idea, I'll send a patch soon after testing.
Note, your patch breaks PCI case.
--
With Best Regards,
Andy Shevchenko
