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([2a01:e0a:3d9:2080:b55c:58f7:42fa:3dbf]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43617e25e8csm5577566f8f.1.2026.02.04.04.41.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 04 Feb 2026 04:41:41 -0800 (PST) Message-ID: <07347b11-cd13-4f0f-9839-8ffe893002dc@linaro.org> Date: Wed, 4 Feb 2026 13:41:40 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Neil Armstrong Reply-To: Neil Armstrong Subject: Re: [PATCH] phy: GOOGLE_USB: add TYPEC dependency To: Arnd Bergmann , Vinod Koul , Joy Chakraborty , Naveen Kumar , Roy Luo Cc: Arnd Bergmann , Alex Elder , Ivaylo Ivanov , Dmitry Baryshkov , Inochi Amaoto , Sven Peter , Vladimir Oltean , linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org References: <20260202095655.1289973-1-arnd@kernel.org> Content-Language: en-US, fr Autocrypt: addr=neil.armstrong@linaro.org; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKk5laWwgQXJtc3Ryb25nIDxuZWlsLmFybXN0cm9uZ0BsaW5hcm8ub3JnPsLAkQQTAQoA OwIbIwULCQgHAwUVCgkICwUWAgMBAAIeAQIXgBYhBInsPQWERiF0UPIoSBaat7Gkz/iuBQJk Q5wSAhkBAAoJEBaat7Gkz/iuyhMIANiD94qDtUTJRfEW6GwXmtKWwl/mvqQtaTtZID2dos04 YqBbshiJbejgVJjy+HODcNUIKBB3PSLaln4ltdsV73SBcwUNdzebfKspAQunCM22Mn6FBIxQ GizsMLcP/0FX4en9NaKGfK6ZdKK6kN1GR9YffMJd2P08EO8mHowmSRe/ExAODhAs9W7XXExw UNCY4pVJyRPpEhv373vvff60bHxc1k/FF9WaPscMt7hlkbFLUs85kHtQAmr8pV5Hy9ezsSRa GzJmiVclkPc2BY592IGBXRDQ38urXeM4nfhhvqA50b/nAEXc6FzqgXqDkEIwR66/Gbp0t3+r yQzpKRyQif3OwE0ETVkGzwEIALyKDN/OGURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYp QTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXMcoJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+ SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hiSvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY 4yG6xI99NIPEVE9lNBXBKIlewIyVlkOaYvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoM Mtsyw18YoX9BqMFInxqYQQ3j/HpVgTSvmo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUX oUk33HEAEQEAAcLAXwQYAQIACQUCTVkGzwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfn M7IbRuiSZS1unlySUVYu3SD6YBYnNi3G5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa3 3eDIHu/zr1HMKErm+2SD6PO9umRef8V82o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCS KmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy 4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJC3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTT QbM0WUIBIcGmq38+OgUsMYu4NzLu7uZFAcmp6h8g Organization: Linaro In-Reply-To: <20260202095655.1289973-1-arnd@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2/2/26 10:56, Arnd Bergmann wrote: > From: Arnd Bergmann > > 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 > --- > 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 Thanks, Neil