linux-kernel - Re: [PATCH v2] mfd: Kconfig: change INTEL_SOC_PMIC_CHTDC

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Message-ID: <YaTuEdDXkjdGE+qX@google.com>
Date:   Mon, 29 Nov 2021 15:13:21 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc:     linuxarm@...wei.com, mauro.chehab@...wei.com,
        linux-kernel@...r.kernel.org, Hans de Goede <hdegoede@...hat.com>
Subject: Re: [PATCH v2] mfd: Kconfig: change INTEL_SOC_PMIC_CHTDC_TI to bool

On Mon, 29 Nov 2021, Mauro Carvalho Chehab wrote:

> The INTEL_SOC_PMIC_CHTDC_TI should be initialized early, before
> loading the fbcon driver, as otherwise the i915 driver will
> fail to configure pwm:
> 
> [   13.674287] fb0: switching to inteldrmfb from EFI VGA
> [   13.682380] Console: switching to colour dummy device 80x25
> [   13.682468] i915 0000:00:02.0: vgaarb: deactivate vga console
> [   13.682686] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
> [   13.685773] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem
> [   13.686219] i915 0000:00:02.0: [drm] *ERROR* Failed to configure the pwm chip
> [   13.699572] [drm] Initialized i915 1.6.0 20200313 for 0000:00:02.0 on minor 0
> [   13.739044] fbcon: i915drmfb (fb0) is primary device
> [   14.037792] intel_soc_pmic_exec_mipi_pmic_seq_element: No PMIC registered
> ...
> [   24.621403] intel_pmic_install_opregion_handler: Ask to register OpRegion for bus ID=PMI2, HID=INT33F5
> [   24.630540] intel_pmic_install_opregion_handler: OpRegion registered
> 
> (some extra debug printk's were added to the above)
> 
> As suggested by Hans, this patch also addresses an issue with
> the dependencies, as, for this driver to be a bool, it also
> need the I2C core and the I2C_DESIGNWARE driver to be builtin.
> 
> Suggested-by: Hans de Goede <hdegoede@...hat.com>
> Reviewed-by: Hans de Goede <hdegoede@...hat.com>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
> ---
>  drivers/mfd/Kconfig | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)

Applied, thanks.

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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