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([2a02:810d:15c0:828:fa97:2d7c:bdd7:e1b]) by smtp.gmail.com with ESMTPSA id lc22-20020a170906dff600b00922b009fc79sm223427ejc.164.2023.03.11.03.15.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 11 Mar 2023 03:15:02 -0800 (PST) From: Krzysztof Kozlowski To: Marek Vasut , Jonathan Cameron , Lars-Peter Clausen , Michael Hennerich , Robert Eshleman , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Krzysztof Kozlowski Subject: [PATCH 2/4] iio: dac: ad5755: mark OF related data as maybe unused Date: Sat, 11 Mar 2023 12:14:55 +0100 Message-Id: <20230311111457.251475-2-krzysztof.kozlowski@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230311111457.251475-1-krzysztof.kozlowski@linaro.org> References: <20230311111457.251475-1-krzysztof.kozlowski@linaro.org> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1760070742661221446?= X-GMAIL-MSGID: =?utf-8?q?1760070742661221446?= The driver can be compile tested with !CONFIG_OF making certain data unused (of_device_id is not used for device matching): drivers/iio/dac/ad5755.c:865:34: error: ‘ad5755_of_match’ defined but not used [-Werror=unused-const-variable=] Signed-off-by: Krzysztof Kozlowski --- drivers/iio/dac/ad5755.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/dac/ad5755.c b/drivers/iio/dac/ad5755.c index beadfa938d2d..a6dc8a0bfc29 100644 --- a/drivers/iio/dac/ad5755.c +++ b/drivers/iio/dac/ad5755.c @@ -862,7 +862,7 @@ static const struct spi_device_id ad5755_id[] = { }; MODULE_DEVICE_TABLE(spi, ad5755_id); -static const struct of_device_id ad5755_of_match[] = { +static const struct of_device_id ad5755_of_match[] __maybe_unused = { { .compatible = "adi,ad5755" }, { .compatible = "adi,ad5755-1" }, { .compatible = "adi,ad5757" },