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([2a02:810d:15c0:828:6927:e94d:fc63:9d6e]) by smtp.gmail.com with ESMTPSA id o26-20020a1709061b1a00b009240a577b38sm245423ejg.14.2023.03.11.09.35.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 11 Mar 2023 09:36:00 -0800 (PST) From: Krzysztof Kozlowski To: Lee Jones , Daniel Thompson , Jingoo Han , Helge Deller , dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Krzysztof Kozlowski Subject: [PATCH 1/2] backlight: lp855x: mark OF related data as maybe unused Date: Sat, 11 Mar 2023 18:35:55 +0100 Message-Id: <20230311173556.263086-1-krzysztof.kozlowski@linaro.org> X-Mailer: git-send-email 2.34.1 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, RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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?1760097502296843193?= X-GMAIL-MSGID: =?utf-8?q?1760097502296843193?= The driver can be compile tested with !CONFIG_OF making certain data unused: drivers/video/backlight/lp855x_bl.c:551:34: error: ‘lp855x_dt_ids’ defined but not used [-Werror=unused-const-variable=] Signed-off-by: Krzysztof Kozlowski Reviewed-by: Daniel Thompson --- drivers/video/backlight/lp855x_bl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c index 81012bf29baf..a57c9ef3b1cc 100644 --- a/drivers/video/backlight/lp855x_bl.c +++ b/drivers/video/backlight/lp855x_bl.c @@ -548,7 +548,7 @@ static void lp855x_remove(struct i2c_client *cl) sysfs_remove_group(&lp->dev->kobj, &lp855x_attr_group); } -static const struct of_device_id lp855x_dt_ids[] = { +static const struct of_device_id lp855x_dt_ids[] __maybe_unused = { { .compatible = "ti,lp8550", }, { .compatible = "ti,lp8551", }, { .compatible = "ti,lp8552", }, From patchwork Sat Mar 11 17:37:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 68161 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:5915:0:0:0:0:0 with SMTP id v21csp394746wrd; Sat, 11 Mar 2023 10:20:27 -0800 (PST) X-Google-Smtp-Source: AK7set8MNOYaoQD8tJcD5fNrmvIPLv/amErWBkRyxhZ1sC44n6OKQBa4JLYwou5kgNfq6fmwnU2m X-Received: by 2002:a17:902:da86:b0:19e:31a3:1a7e with SMTP id j6-20020a170902da8600b0019e31a31a7emr34875133plx.69.1678558827534; Sat, 11 Mar 2023 10:20:27 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1678558827; cv=none; d=google.com; s=arc-20160816; b=swmqJZJeU7mBYwCONucDfrIKFF/2faTKrtv83u9A1yIk1VQwDgnV1BjdhM31puS6cj kiEAIslWeGmeu/7sWr0uUz4lUaVUvN8jhxVZcFIAfKUziDM/HeZgzEY88Wj5UxTvTkha BSi2Uxh3rGQsyaAUw5dNQILKV/sqIFCUJNJzLBQHb2/li8VMzfFc+GiyMPlebJCrH2HA v6Zss0w1D20EHMrCG15AkA2IaKbGoPffwABTtTEbBQL44S5o8YZWhBFqdsWW2acW+WYn meExlDKuTpGCUQr65t4uI1uBXnsLTqqeQAhi2wuWQS17L7RJSaraizBXmMlT/xTYphpf Etvw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=IEgoJS3qrsEtaJMFetSvJY9kS8Ao4kP1CN24XfSlZMM=; b=Wbik/perrDZO5nR7juRdgVbD2U5E3xkjOk0Eq7qOl+Osbv9TNTT7eun1IQuotQTI+K cXVRKDZ0k1cWS4XEE1AXDtRD1g+zVj/yP5qIyd6bgYEc6QlDNZgY/6iAjomzAYy8YLyA Z2v6qO21cN4MDfH+02b/Rc95iqZz+wdOgYbDhgb5N3R7UWkP/RM+miz915RUjFs5eWTe Ih+UJzpSk3rHB9pv0pUGaa12OUrxE/CnAyeCLr9SUer4ebIk3YF2/8VaOIXr3YtTjssS XLAGz3gbgtCIZp92MxDajyoS14VYzOFc0SpgKJ2XN30FDvuCF0O0e4+jDkWyJ1opuCHv E4fw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b="gnJTMg/R"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from out1.vger.email (out1.vger.email. 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([2a02:810d:15c0:828:6927:e94d:fc63:9d6e]) by smtp.gmail.com with ESMTPSA id k15-20020a50ce4f000000b004d8287c775fsm1444903edj.8.2023.03.11.09.37.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 11 Mar 2023 09:37:37 -0800 (PST) From: Krzysztof Kozlowski To: Thierry Reding , =?utf-8?q?Uwe_Kleine-K=C3=B6n?= =?utf-8?q?ig?= , Fabrice Gasnier , Maxime Coquelin , Alexandre Torgue , linux-pwm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Cc: Krzysztof Kozlowski Subject: [PATCH 2/2] pwm: stm32-lp: drop of_match_ptr for ID table Date: Sat, 11 Mar 2023 18:37:35 +0100 Message-Id: <20230311173735.263293-2-krzysztof.kozlowski@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230311173735.263293-1-krzysztof.kozlowski@linaro.org> References: <20230311173735.263293-1-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=unavailable 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?1760096500832907998?= X-GMAIL-MSGID: =?utf-8?q?1760096500832907998?= The driver can match only via the DT table so the table should be always used and the of_match_ptr does not have any sense (this also allows ACPI matching via PRP0001, even though it might not be relevant here). drivers/pwm/pwm-stm32-lp.c:245:34: error: ‘stm32_pwm_lp_of_match’ defined but not used [-Werror=unused-const-variable=] Signed-off-by: Krzysztof Kozlowski --- drivers/pwm/pwm-stm32-lp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pwm/pwm-stm32-lp.c b/drivers/pwm/pwm-stm32-lp.c index f315fa106be8..bb3a045a7334 100644 --- a/drivers/pwm/pwm-stm32-lp.c +++ b/drivers/pwm/pwm-stm32-lp.c @@ -252,7 +252,7 @@ static struct platform_driver stm32_pwm_lp_driver = { .probe = stm32_pwm_lp_probe, .driver = { .name = "stm32-pwm-lp", - .of_match_table = of_match_ptr(stm32_pwm_lp_of_match), + .of_match_table = stm32_pwm_lp_of_match, .pm = &stm32_pwm_lp_pm_ops, }, };