From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f172.google.com (mail-pf1-f172.google.com [209.85.210.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 04F1B184 for ; Tue, 14 Jul 2026 00:23:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783988584; cv=none; b=tPaQDtLfRiDy50FUX4bGBq68ZHFZ0VKxpy2sSAsMxGTaghwoFEmx3Zh9EfJIWK+N+/ypoI41lpNPY37pXW2LlXsMDjZxDv0aCEkO+gu+jD6xn5QRSRv1LNDPRMaIslyJQCEDwJIhQk/53jeVTmfHKApcmXAgRswOYXhcq7TDYNM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783988584; c=relaxed/simple; bh=vVL7D6bBR374jSiyyxvCqD0AEU8LzCU+hQHuZ3TWJSU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=ZQAOlMqvxjoInSZrWd9dgLlacrJav5xrKM4q/l7cJVBuIl0ppcpIuKUpPAc5lQpfFSJFIF0yQaflm48YoBq1s6r/n4TyLpXWcDaxY5w87xUXr8qoZ1sCUD1PLWj5fSfwsskTKHqCaVSRkZYadCMP38gtQi7yfFuguGKjVrRPAmo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=nI/9Wwtz; arc=none smtp.client-ip=209.85.210.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="nI/9Wwtz" Received: by mail-pf1-f172.google.com with SMTP id d2e1a72fcca58-8453427d3f4so3189218b3a.3 for ; Mon, 13 Jul 2026 17:23:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1783988582; x=1784593382; darn=lists.linux.dev; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to:content-type; bh=PC2x/z/M+JODwXQ4QIBsSqX18lp/m00iHD8pFlNxcrg=; b=nI/9Wwtzjizs/sdygJFxnJoxBS0nx2CnIyQN3KNa8G5tHIPwMsTf8CJE+dvuuElEwg r1tIE1m/1yw94HNbVWTK81X+ZMZ7GyoY0oj28lWy3z6yN2Wq5lkPPDZjG1SGvFLG/Os4 wsjLvRsZ6r3I+jE8QMvB7inJAGOvXmCb6Me7BjO95m7IHAVTMlhueODGO3LwrJ+Dx1Mb Xg6cd6BBtWjFUYUORABEdZCi7pNMppuyTjoghnlsuztQqjVdY35UlMhS+g7stvy96cWE qk2ry5aAOZCrsCbufWWyYtU/ubMEcPF2fhPrimDBYlE7nfk8SebeotYgeHfpxl2k1ksg G/4g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1783988582; x=1784593382; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=PC2x/z/M+JODwXQ4QIBsSqX18lp/m00iHD8pFlNxcrg=; b=ma2B9MuEULUTadAdLQDGn9hwgPGuL40ZIP68cXyDuDV72LKeQaeaEx/U4sllFyv2lO 0M3pd9mDR+GdtwO78+9VW9tTkW+cMcWKW/QTjbsPxuk+RGd8v/KMp0XZHciEfGqgtgXv ch5JevAUrLzXeg1pRqsBSumigy4WaTd6bONmHEgXUVpQztO7n23uFA64uYxvOm6E1808 Kel0dk8MzlmMcyV99qJ8W0Fb/ZVCK8vBplY7CSd0A/ZCkv9WWzZyI/CWjs1Mk27XU37U 9g+HwGyAimmT5UgzKl3PimFcas9RtMfc8hu1mxQfG+7E/adE7nPwRlZHXIGmblmYtBAl fTkw== X-Forwarded-Encrypted: i=1; AHgh+Rrc2p3nXgYV4vYCogfoDd63/dBH8I3DW8X3iKk3CvAhQOf/HgXQ86tQK/TweGiaTTLb4Quc@lists.linux.dev X-Gm-Message-State: AOJu0YxpV/b4DSZ2k6SK2goVA6fRcmgO4JejNpLQbVIMVmimXimiZM8e iZEIQZmb7buJcfhz2Wshq/Ei/hUUdFtj05S97n4mp3K4ZYb33ilr2T7u X-Gm-Gg: AfdE7cnsBTJa6WEHz+GZDKe1HgQXGsLRHXLtTYTHhhoeZo92p0RrVve206RgWew8WRf SSQEbJK8qA+4kqOeal+rgbWJFyNeQVqZxVN/AJWIWUaigN141Nfmm/Hwbo92rmupBRWMzxLfWyw blLhRSXlnUOnyjcOZBgPc6rrXxI76IWk+OVFxf0JKfxZiwngEm+DEbS4n1HbZCULJMPj8cetixs MxfFeyeLGlIztciGquEXZzl0mT15dhQaQIWaiss6/tM2+oqP+JON2YHLp0QjT9fMbx5W5NMZ4S2 yU3A9MHg76fILsO0AR32OBmey9/GL1xHTQOUHC+7O7ZkN9TJigNWC55e2Jg3mNBS6HWkxDFU/ng QxqlyrUIeb5erawmtsaVo4TP0hj1tuONHfcfDnhkyu1XqG/XLusTcO/xLEnLVkLQuCUNp1zFyfo Q2ACrFug+LQ1eKgmsOG4SV0NrX1O+36bVFuGO86KTiS6Xkmvse0nO43DcWkBIPejWn9z8WswVtE iENNE4XBG17msJtY2AgMBFk8KdDNzp9OKtWrondgj5MXnHKtwOmPc1ZMi5lq+ev3A== X-Received: by 2002:a05:6a00:3395:b0:842:83d1:ee6d with SMTP id d2e1a72fcca58-848896dd7fbmr10534315b3a.45.1783988582236; Mon, 13 Jul 2026 17:23:02 -0700 (PDT) Received: from ryzen.lan ([2601:644:8000:7a86::e35]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-84a4ff2ea4csm473962b3a.23.2026.07.13.17.23.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Jul 2026 17:23:01 -0700 (PDT) From: Rosen Penev To: linux-rtc@vger.kernel.org Cc: Patrice Chotard , Alexandre Belloni , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , linux-arm-kernel@lists.infradead.org (moderated list:ARM/STI ARCHITECTURE), linux-kernel@vger.kernel.org (open list), llvm@lists.linux.dev (open list:CLANG/LLVM BUILD SUPPORT:Keyword:\b(?i:clang|llvm)\b) Subject: [PATCH] rtc: st-lpc: get IRQ via platform_get_irq() Date: Mon, 13 Jul 2026 17:22:59 -0700 Message-ID: <20260714002259.1392655-1-rosenp@gmail.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Replace irq_of_parse_and_map() with platform_get_irq(), which resolves the interrupt from pdev->dev.of_node directly and returns a positive IRQ or a negative errno (it never returns 0). Propagate the error on failure instead of the previous open-coded "IRQ missing or invalid" / -EINVAL message, so -EPROBE_DEFER is handled correctly. The rtc->irq field is a signed short, so the negative error code is preserved. np is still used by of_property_read_u32() for "st,lpc-mode", so it is not removed. Built for ARM (multi_v7_defconfig + CONFIG_RTC_DRV_ST_LPC) with LLVM=1; drivers/rtc/rtc-st-lpc.o compiles cleanly. Assisted-by: opencode:hy3-free Signed-off-by: Rosen Penev --- drivers/rtc/rtc-st-lpc.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/rtc/rtc-st-lpc.c b/drivers/rtc/rtc-st-lpc.c index c6d4522411b3..ae79ddf24f37 100644 --- a/drivers/rtc/rtc-st-lpc.c +++ b/drivers/rtc/rtc-st-lpc.c @@ -18,7 +18,6 @@ #include #include #include -#include #include #include @@ -212,11 +211,9 @@ static int st_rtc_probe(struct platform_device *pdev) if (IS_ERR(rtc->ioaddr)) return PTR_ERR(rtc->ioaddr); - rtc->irq = irq_of_parse_and_map(np, 0); - if (!rtc->irq) { - dev_err(&pdev->dev, "IRQ missing or invalid\n"); - return -EINVAL; - } + rtc->irq = platform_get_irq(pdev, 0); + if (rtc->irq < 0) + return rtc->irq; ret = devm_request_irq(&pdev->dev, rtc->irq, st_rtc_handler, IRQF_NO_AUTOEN, pdev->name, rtc); -- 2.55.0