linux-kernel - Re: [PATCH] phy: GOOGLE_USB: add TYPEC dependency

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Message-ID: <07347b11-cd13-4f0f-9839-8ffe893002dc@linaro.org>
Date: Wed, 4 Feb 2026 13:41:40 +0100
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Arnd Bergmann <arnd@...nel.org>, Vinod Koul <vkoul@...nel.org>,
 Joy Chakraborty <joychakr@...gle.com>, Naveen Kumar <mnkumar@...gle.com>,
 Roy Luo <royluo@...gle.com>
Cc: Arnd Bergmann <arnd@...db.de>, Alex Elder <elder@...cstar.com>,
 Ivaylo Ivanov <ivo.ivanov.ivanov1@...il.com>,
 Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
 Inochi Amaoto <inochiama@...il.com>, Sven Peter <sven@...nel.org>,
 Vladimir Oltean <vladimir.oltean@....com>, linux-phy@...ts.infradead.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] phy: GOOGLE_USB: add TYPEC dependency

On 2/2/26 10:56, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> With CONFIG_TYPEC=m, this driver cannot be built-in:
> 
> arm-linux-gnueabi/bin/arm-linux-gnueabi-ld: drivers/phy/phy-google-usb.o: in function `google_usb_phy_remove':
> phy-google-usb.c:(.text+0x24): undefined reference to `typec_switch_unregister'
> 
> Add CONFIG_TYPEC as a hard dependency here to force a clean build.
> In theory, compile-testing with CONFIG_TYPEC=n would also work, but
> that seems pointless.
> 
> Fixes: cbce66669c82 ("phy: Add Google Tensor SoC USB PHY driver")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>   drivers/phy/Kconfig | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
> index 142e7b0ef2ef..02467dfd4fb0 100644
> --- a/drivers/phy/Kconfig
> +++ b/drivers/phy/Kconfig
> @@ -50,6 +50,7 @@ config GENERIC_PHY_MIPI_DPHY
>   config PHY_GOOGLE_USB
>   	tristate "Google Tensor SoC USB PHY driver"
>   	select GENERIC_PHY
> +	depends on TYPEC
>   	help
>   	  Enable support for the USB PHY on Google Tensor SoCs, starting with
>   	  the G5 generation (Laguna). This driver provides the PHY interfaces

Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>

Thanks,
Neil