From nobody Mon Nov 25 10:23:02 2024 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0AE151DE896; Mon, 28 Oct 2024 16:29:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730132982; cv=none; b=tvuxBNpdlrTP0PDa8hK7mUC7wXou+0w6ID8KKfFBqxheuNOfryzok5Qp6jqFIVTSBerz3BsJYFTYnAQ0ta1g1W2Vi8BjdMfpjMq6Hoj2DsqQLzqznRLEBOPnZFOr8LOG/i0/yV5LZi1Pf8F/dGo/ryDYX2R4LOSsDDCW2BpeMAc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730132982; c=relaxed/simple; bh=DolnAK1KZ/oHw0bM0p/mKe8AbWR+8hjG72u+kf3nPkw=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=Qq7cHMxE3682PUzrBSmi90wSatsh6U58sEy+jO5wCawZRpGpIQRE6KjMqD9sFT+LhuJOrYwnGiyGabuxly4NLRn7diqQE7ys+CDYR9Evt82neqU6wJSQ+F+7Ts4YT1CbzxqaT8mgeTgDF8nrwmIs+/OxeMn5DblIu7CZsK3ojfs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=N7S6iAj2; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="N7S6iAj2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 19E4AC4CEC3; Mon, 28 Oct 2024 16:29:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1730132981; bh=DolnAK1KZ/oHw0bM0p/mKe8AbWR+8hjG72u+kf3nPkw=; h=From:To:Cc:Subject:Date:From; b=N7S6iAj2Z9Bh8NqFA7C85XHeusxnye38qiUaWCz0o0noLc9ypBmHE9RusVDcWd6It NykHgtzd68DQpMfhegqAGZPGVdQl/ForS8Vh3xm2t1ZTshDorHn2jJLCf1Q7k2NhWO 7czvEuW05ouPT75aDkWK/HmWTrvdHRFgf6HWUKoqfKCtIY1c33iIQ/dqFG2gQo47Cd kJVQVAWwbk9M+wOc7M12Fcx7VcmSuW8/Sv9zatEct7tYIWY62o0IlbbgSkR8phOkov Z6Sqt+Ws2mAeaK1s8rVeAVOaDPpm9cwetSumdpscsZqOC2E4JZfEBMx1RJQx127yaJ +UAKmY0JuNR/w== From: Arnd Bergmann To: Jonathan Cameron , Ramona Alexandra Nechita Cc: Arnd Bergmann , Lars-Peter Clausen , Nuno Sa , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] drivers: iio: adc: ad777x depends on CRC8 Date: Mon, 28 Oct 2024 16:29:15 +0000 Message-Id: <20241028162937.2171535-1-arnd@kernel.org> X-Mailer: git-send-email 2.39.5 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Arnd Bergmann The newly added driver fails to link when CONFIG_CRC8 is not set: ld.lld-20: error: undefined symbol: crc8_populate_msb ld.lld-20: error: undefined symbol: crc8 >>> vmlinux.o:(ad7779_spi_read) Select this from Kconfig as we do for other drivers like it. Fixes: cc20fa9e9ad4 ("drivers: iio: adc: add support for ad777x family") Signed-off-by: Arnd Bergmann --- drivers/iio/adc/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index d8abe28eec89..849c90203071 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -290,6 +290,7 @@ config AD7768_1 config AD7779 tristate "Analog Devices AD7779 ADC driver" depends on SPI + select CRC8 select IIO_BUFFER help Say yes here to build support for Analog Devices AD777X family --=20 2.39.5