[PATCH v2] pinctrl: qcom: Make important drivers default
Dmitry Baryshkov
dmitry.baryshkov at oss.qualcomm.com
Tue Apr 28 14:13:46 PDT 2026
On Tue, Apr 28, 2026 at 06:35:49PM +0200, Krzysztof Kozlowski wrote:
> The main SoC TLMM (Top-Level Multiplexer) pin controller drivers are
> essential for booting up SoCs and are not really optional for a given
> platform. Kernel should not ask users choice of drivers when that
> choice is obvious and known to the developers that answer should be
> 'yes' or 'module'.
>
> Switch all Qualcomm TLMM pin controller drivers to a default 'yes' for
> ARCH_QCOM. This has impact:
>
> 1. arm64 defconfig: enable PINCTRL_SM7150, PINCTRL_IPQ9650 and
> PINCTRL_HAWI, which were not selected before but should be, because
> these platforms need them for proper boot.
>
> 2. arm qcom_defconfig: no changes.
>
> 3. arm multi_v7 defconfig: enable drivers necessary to boot ARM 32-bit
> platforms, which are already enabled on qcom_defconfig.
>
> 4. COMPILE_TEST builds: enable by default all drivers for arm or arm64
> builds, whenever ARCH_QCOM is selected. This has impact on build
> time and feels logical, because if one selects ARCH_QCOM then
> probably by default wants to build test it entirely. Kernels with
> COMPILE_TEST are not supposed to be used for booting.
>
> Reviewed-by: Konrad Dybcio <konrad.dybcio at oss.qualcomm.com>
> Reviewed-by: Linus Walleij <linusw at kernel.org>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at oss.qualcomm.com>
>
> ---
>
> I did similar change for clocks and I will be continuing with
> interconnect and other missing pieces.
>
> Changes in v2:
> 1. Rebase on Linus W. devel branch. This should go with pinctrl, I
> think.
> 2. Add tags.
> 3. Update also PINCTRL_IPQ9650.
> ---
> arch/arm/configs/multi_v7_defconfig | 8 ----
> arch/arm/configs/qcom_defconfig | 15 -------
> arch/arm64/configs/defconfig | 46 ----------------------
> drivers/pinctrl/qcom/Kconfig | 1 +
> drivers/pinctrl/qcom/Kconfig.msm | 61 +++++++++++++++++++++++++++++
I think it would have been better split into 3 patches, but this way is
also fine.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>
> 5 files changed, 62 insertions(+), 69 deletions(-)
--
With best wishes
Dmitry
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