linux-kernel - Re: [PATCH next] phy: google: fix build dependency for Google Tensor USB PHY

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Message-ID: <CADrjBPqj=j84PHf3HYR8dtxDkAVRC=2tBdTQvZaq4wHY05_M6A@mail.gmail.com>
Date: Wed, 21 Jan 2026 23:06:02 +0000
From: Peter Griffin <peter.griffin@...aro.org>
To: Roy Luo <royluo@...gle.com>
Cc: Vinod Koul <vkoul@...nel.org>, Neil Armstrong <neil.armstrong@...aro.org>, 
	André Draszik <andre.draszik@...aro.org>, 
	Tudor Ambarus <tudor.ambarus@...aro.org>, Joy Chakraborty <joychakr@...gle.com>, 
	Naveen Kumar <mnkumar@...gle.com>, linux-phy@...ts.infradead.org, 
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-samsung-soc@...r.kernel.org, kernel test robot <lkp@...el.com>
Subject: Re: [PATCH next] phy: google: fix build dependency for Google Tensor
 USB PHY

On Wed, 21 Jan 2026 at 22:21, Roy Luo <royluo@...gle.com> wrote:
>
> The Google Tensor USB PHY driver uses the Type-C switch framework to
> handle orientation changes. However, the Kconfig did not specify a
> dependency on the TYPEC framework, leading to undefined reference
> errors when building for architectures or configurations where
> CONFIG_TYPEC is disabled or configured as a module.
>
> Add 'depends on TYPEC' to the PHY_GOOGLE_USB entry to ensure all
> required symbols are available during linking.
>
> Fixes: cbce66669c82 ("phy: Add Google Tensor SoC USB PHY driver")
> Reported-by: kernel test robot <lkp@...el.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202601210825.ELrpQeED-lkp@intel.com/
> Signed-off-by: Roy Luo <royluo@...gle.com>
> ---

Reviewed-by: Peter Griffin <peter.griffin@...aro.org>


>  drivers/phy/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
> index 142e7b0ef2efb9209781800ee47b820a91b115ae..5531ff31d8156cb164c32e3e52d4a57b26a62d8d 100644
> --- a/drivers/phy/Kconfig
> +++ b/drivers/phy/Kconfig
> @@ -49,6 +49,7 @@ config GENERIC_PHY_MIPI_DPHY
>
>  config PHY_GOOGLE_USB
>         tristate "Google Tensor SoC USB PHY driver"
> +       depends on TYPEC
>         select GENERIC_PHY
>         help
>           Enable support for the USB PHY on Google Tensor SoCs, starting with
>
> ---
> base-commit: 8bb92fd7a04077925c8330f46a6ab44c80ca59f4
> change-id: 20260121-next-b949189cacf4
>
> Best regards,
> --
> Roy Luo <royluo@...gle.com>
>