On Mon, 04 Sep 2017, Hans de Goede wrote:
> Both Bay and Cherry Trail devices may be used together with a Crystal Cove
> PMIC. Each platform has its own variant of the PMIC, which both use the
> same ACPI HID, but they are not 100% compatible.
>
> This commits makes the intel_soc_pmic_core code check the _HRV of the
> ACPI-firmware-node and selects intel_soc_pmic_config_byt_crc resp.
> intel_soc_pmic_config_cht_crc based on this.
>
> This fixes the Bay Trail specific ACPI OpRegion code causing problems
> on Cherry Trail devices. Specifically this was causing the external
> microsd slot on a Dell Venue 8 5855 (Cherry Trail version) to not work
> and the eMMC to become unreliable and throw lots of errors.
>
> Fixes: 5165238460 ("mfd: intel_soc_pmic: Core driver")
> Reported-and-tested-by: russianneuromancer <[email protected]>
> Signed-off-by: Hans de Goede <[email protected]>
> Reviewed-by: Andy Shevchenko <[email protected]>
> Acked-for-MFD-by: Lee Jones <[email protected]>
> ---
> drivers/mfd/Kconfig | 4 ++--
> drivers/mfd/intel_soc_pmic_core.c | 34 ++++++++++++++++++++++++++++------
> 2 files changed, 30 insertions(+), 8 deletions(-)
Applied, thanks.
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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