From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-dy1-f193.google.com (mail-dy1-f193.google.com [74.125.82.193]) (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 DB55C3321DC for ; Thu, 9 Apr 2026 15:58:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.193 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775750330; cv=none; b=h95XXVDGVsPlhMJ6Rus5vncPQQj+ECPvZZTEi3Er/WG1ukcsgxxLNSCcX92Wm3cOWA4zVpsUqAuZqs48u5WagUY1m35OVCXHP8DtBu6oZffUXvW5SyYxhi4PgGtkGXLtXuRnQFQFgkOx2q4UHCkuG1AA+xlA/rcZaglFpq0ObMM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775750330; c=relaxed/simple; bh=+vHcx9lI7yya0W7s1XmjAsO9BEU7Hgjmcx7FM3fwsWw=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=CPcj14WBR4oGrRAF3zLryqjRU7iZ+mub10pIJ4ud5ImJ8vXLOKSWkVKNaVEaDZ+KSfqbOEbCouEPG6aSuZ32Ad237SLqJO3d4E8bHfv7A2Po125/8xqsh9WpgbEiZB6tAP3c3XxhlRc4xibsjjn1DV2bg0fSwQTNh45knCBHbys= 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=MKgKlz/o; arc=none smtp.client-ip=74.125.82.193 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="MKgKlz/o" Received: by mail-dy1-f193.google.com with SMTP id 5a478bee46e88-2d18dfa2713so764119eec.0 for ; Thu, 09 Apr 2026 08:58:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1775750328; x=1776355128; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ynn/Tv7vt536YLRzFScHBlkRRyfwxHMbDNUUOzExOGQ=; b=MKgKlz/oFasZ0Df7A7k5CJqR1qE3cHzJdyWwWgeXR1gO8X2uZ9edTJA5k3EEvzp+Vw r2/03u2QuRyVuoWvQ5oD/jRm8LDLzvpaLSAtFxTZG54DwD+W5RHYxF66qqD1MP3XNUpJ 90PEMdcXSiFozn6y8L9zt9z2qh2iRONy+btk7GCzzLrqdofN0xB5zyJtwaJR5JNee8ZB O2gkftP4TllyM969p0GyWwMEReZuf+aD3tX0WyDtGfTPQl/9r1Hda64S3ahvCayAw1Dr PCfQC+T/vGtll3g1BdbWb6yiaeLlEzq9vVJpMZ9Xd2IqeiQR3tCrCCOStqGa5egEKMjK l+hA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775750328; x=1776355128; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=ynn/Tv7vt536YLRzFScHBlkRRyfwxHMbDNUUOzExOGQ=; b=M/RGnvr7XRciM5RDoZTuF4NZR3aENlEEENde8GMKVFQIR2OeWevcGTSTu5ggth/ByY 0zbHI3W2IAxINwsLVYXMj+HcxpMZECB3ObWf+dxtlARDSPhi2MEfQMlgAjePUK52FMZZ I+qUXwnSeeBnfLjiViz+BmKd0rvhuDJGRt+VRkcCxjVahQCAX3yEDoOBj2tjdj0qNHPT H3XYEgmBdpHvUTAaYjQYWYSmOaBcSYyko4WX6b89BYubO40bRS4J8MiMViCb0BIpkO1o EThr5LegiwuVpP4SZjvPlSqWDx9Ca+lfyBo8nv3I8OmUIqJmaELk6MJmCfilxYF1k29I 8zOQ== X-Forwarded-Encrypted: i=1; AJvYcCUeEs0iYwAjMFvRbLJX3GnPAOtUxqAAhgFYk3rQP/QoJb187U4gv/pvQ0XdWuacWtzy96UIkd7dV60Feaw=@vger.kernel.org X-Gm-Message-State: AOJu0Yyh6f419AT0sDV8HxU0wY515CwsxXVQ1AKobKrrY9sJ5Gvw5IuX imnsDk/EbZZlTVJNQnm060ibecNBM1AWMLdrXKCO53SpBODDR9y6aG2L X-Gm-Gg: AeBDievX/n++660WEmTch1t8fC6S5AWieW/m9mLLSZZ4o1NAFz/hgK5GkIFjc4pLsSi iBi8LgrT2JkuB7Nc2SNcV0Smg3qt0IfuJpowmeNrvqLd94e8NCmCEiD8smFx3vaT8aeqxIy7JbB MnBR4C+losX7Jjt+jEw5/E3uJC98Modf25OPEo50sXtPC3TpOCV4zpWcR4Lht5eob9/dsos7v1L tJpbE17JoWemmsQ4ObXjkU6vqmjPgn6zjyDlOrs2/uYUoDHErUvVemXMOaKpJC5xfIzouUxif4N w41UENhOyojwOhZ1ne54wuUzf3K3Id2iGb5NJQJ2OxtuG4XbNErQmFNThG12tiQhNH/OklRjPgL +1+cL9NJ3f9h18p8DRAnT+VwMzlPo23ue9ERDx0npPPMMO0A7JcxSZx15fdtVaurmRoCrpsGerI h+LTISycrnEv/q/6f3cDRV+nXQjAwtWO0Mkq3YW0WVreRfViaqvJjRl7E= X-Received: by 2002:a05:7300:1493:b0:2cf:28e8:d784 with SMTP id 5a478bee46e88-2cf28e8dcd7mr9670632eec.19.1775750327897; Thu, 09 Apr 2026 08:58:47 -0700 (PDT) Received: from localhost.localdomain ([76.32.119.210]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2d5621d5e43sm153746eec.21.2026.04.09.08.58.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Apr 2026 08:58:47 -0700 (PDT) From: Hungyu Lin To: Sudip Mukherjee , Teddy Wang , Greg Kroah-Hartman Cc: linux-fbdev@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Hungyu Lin Subject: [PATCH v2 1/2] staging: sm750fb: return -ETIMEDOUT on timeout in de_wait functions Date: Thu, 9 Apr 2026 15:58:20 +0000 Message-Id: <20260409155821.23375-2-dennylin0707@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260409155821.23375-1-dennylin0707@gmail.com> References: <20260409155821.23375-1-dennylin0707@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The hw_sm750le_de_wait() and hw_sm750_de_wait() functions return -1 when a timeout occurs. Replace these with -ETIMEDOUT to use a proper errno value and better describe the error condition. All callers check the return value as non-zero, so this change does not alter existing behavior. Signed-off-by: Hungyu Lin --- drivers/staging/sm750fb/sm750_hw.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/sm750fb/sm750_hw.c b/drivers/staging/sm750fb/sm750_hw.c index a2798d428663..3809401baa3a 100644 --- a/drivers/staging/sm750fb/sm750_hw.c +++ b/drivers/staging/sm750fb/sm750_hw.c @@ -502,7 +502,7 @@ int hw_sm750le_de_wait(void) return 0; } /* timeout error */ - return -1; + return -ETIMEDOUT; } int hw_sm750_de_wait(void) @@ -520,7 +520,7 @@ int hw_sm750_de_wait(void) return 0; } /* timeout error */ - return -1; + return -ETIMEDOUT; } int hw_sm750_pan_display(struct lynxfb_crtc *crtc, -- 2.34.1