From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qv1-f45.google.com (mail-qv1-f45.google.com [209.85.219.45]) (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 6EBBC1474A8 for ; Fri, 5 Jul 2024 10:26:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.45 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720175219; cv=none; b=Cb9TO2yoXUMMr3IvsIu2PnlEqWBAG7AOsbyhKWBKsrKO15nfIEndq2VhfcHjIczprgqQesY/p+t5gDIaP1mkPysONy+4RNLgIl3FcTaVkONpOHnf2vnCtzZgVkQVEuy1HqMfl3dYnmgW1G3BAjDRhS+7S6avu8Wl4yCTerYEcHw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720175219; c=relaxed/simple; bh=yGbo/J4eUFlKgy2mpmn6Hpr73tNFtSqMvohyWG45viU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=pwM+1PEwZn7guTxlrF07m9iMgxFuE+CL5Z0lYkL4XiPNajgmOn5pWnYyswX9gZZ5l4RSm89eq7rAyqcNPtop4dF2LTfdKW66x9nz8jZVfBLVltS6AWeJTOGHp923S014ETFUCG/womXR6d6Bw46en5hYmg0XXES/9pq59wiGCXA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=uUkf/C9/; arc=none smtp.client-ip=209.85.219.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="uUkf/C9/" Received: by mail-qv1-f45.google.com with SMTP id 6a1803df08f44-6b5daf5ea91so7460636d6.1 for ; Fri, 05 Jul 2024 03:26:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1720175217; x=1720780017; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=yGbo/J4eUFlKgy2mpmn6Hpr73tNFtSqMvohyWG45viU=; b=uUkf/C9/RCS1HNEdopUdtpbZgZjAf/On16XiM4fSe3zHAtRryiPBJjXQwcvE17DiBJ EluE9uskGRL1YzjWKZW1e8UDJrbup2OmNZ+uTXIlPvHKAcN398CzJ4Wf/8Ora1QFiqco v++HU5FVBW6ch+nJ4YOOPTsQHmaYeYMlz/vLt0LIKmajnAMwH/SJsYyN5SI0RVB1szXG fr2xw67MACOTluwgVmQ7cv5/GDXvztAQR2v9LRVu4W3CbmjacVIki17ora1B6/D12E3L 1RhjQ+MjoHWvp38fymZnsGL5YYx02GN3zIRiv4YntNW+ReomGdIEdI0JYeZcKBXNlfok k6NQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720175217; x=1720780017; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=yGbo/J4eUFlKgy2mpmn6Hpr73tNFtSqMvohyWG45viU=; b=mUMo17xJQJvjG+z1PSelfoSvGuwGxaYlaSClKbrrL220sjxCXO4itJ7Wcx8atEcI6w wVhIGHNSS5SNKp9xXmOr2Z0K3Jp82jLfQotu/V9UeuT8CiH8/PazGKVhQ7mT5nWUGeXQ rK0JVkJILeUK5XLfLXLoXh49trb1FSVSgI0xpGUaxKCEJG6YoP4AsIAevunUt1n8/pqG h5THeJUiyc1xJlXYz0KM0CaRF6V5WG2BiFHrgBpuZXpOi9X6B5VD6HR+nQ4/t/00vHxV iXfMdZ+zYpCZAie3mmBRNe6xrVZJmTiCcWyOwhv+ElDN+XIlr6/9hqVb+x6DOBTGz9KB CzPQ== X-Forwarded-Encrypted: i=1; AJvYcCWw03BlHFnHDxN+NL2sLaNs98WdaRVp9MKbZ1U7uRLeYcztW4F9xpfFwvpdB3yh2JLbzxoBOYFRmhOxP8ee/aCVUBP2rFVVdwZjft3I X-Gm-Message-State: AOJu0Yz82OaHajEmcLZOFbLW7daRtBCbIcy1Rm6prZRNv6+vamFR3i9F rUVUcAH9K5/Gnbpe8ef2Y/GjNDcnV58hGA2kb768D/J2u9cryBJps7FUkk4CURc= X-Google-Smtp-Source: AGHT+IHU8EOVpqYrcQTs3CHIcL+/+yQvLWdVExug/MFZEndiHTAoPACMoBY2RZmg3CFNlc85aj2geQ== X-Received: by 2002:a05:6214:5013:b0:6b5:4b10:7849 with SMTP id 6a1803df08f44-6b5ecfb53f2mr47314046d6.1.1720175217387; Fri, 05 Jul 2024 03:26:57 -0700 (PDT) Received: from aspen.lan ([185.80.132.160]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6b5f47b8260sm6893286d6.100.2024.07.05.03.26.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Jul 2024 03:26:56 -0700 (PDT) Date: Fri, 5 Jul 2024 11:26:53 +0100 From: Daniel Thompson To: Chen Ni Cc: lee@kernel.org, jingoohan1@gmail.com, deller@gmx.de, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] backlight: l4f00242t03: Add check for spi_setup Message-ID: <20240705102653.GB110803@aspen.lan> References: <20240705092800.3221159-1-nichen@iscas.ac.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240705092800.3221159-1-nichen@iscas.ac.cn> On Fri, Jul 05, 2024 at 05:28:00PM +0800, Chen Ni wrote: > Add check for the return value of spi_setup() and return the error > if it fails in order to catch the error. > > Signed-off-by: Chen Ni Reviewed-by: Daniel Thompson Daniel.