From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6AA98CD4F3D for ; Sun, 17 May 2026 07:43:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7152D10E1AD; Sun, 17 May 2026 07:43:41 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="b2plsLuk"; dkim-atps=neutral Received: from mail-wr1-f48.google.com (mail-wr1-f48.google.com [209.85.221.48]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2442B10E1A7 for ; Sun, 17 May 2026 07:43:39 +0000 (UTC) Received: by mail-wr1-f48.google.com with SMTP id ffacd0b85a97d-43fe608cb92so588568f8f.2 for ; Sun, 17 May 2026 00:43:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1779003818; x=1779608618; darn=lists.freedesktop.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=PKwCpCIE3pQrKMIlzgxzd9zVO2yq7zSfHES0U3paVng=; b=b2plsLukTYrHw5lFghca1kvHPrDCcPzbFQE5e0hjR/oPvjfRM/ZPGaa2Vdk+WygaHT DmCaJy2Q3/LwcfmhVjwmxygb0TN+Mc/eboQfjMl3TkTGGznEoVfRQXWA+nu5mklHXRdG mJi1AOB2hr7TL99o6gEB9GG7elTnov/MSxNtzc+4cJRZTCDyxlVSKDxZK63KGSVS+4qf 4n+pn5Ef7sWSLqTrp/jcihL94QXCZ60+CG7ShX1qsBnza7RqzRVbDIiqk8XXeUVwjZFv Rz2kV2BOogY7Qrg2IwkUHcw23bWB9bJxxJm39K+Th5TZaCt9dtrVKtxT2tRULjjnfJNI rfqg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1779003818; x=1779608618; 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=PKwCpCIE3pQrKMIlzgxzd9zVO2yq7zSfHES0U3paVng=; b=C9hhX3JYUoAHl5q3KeDMV3hWNErGHiuCWym43t/M/ISXpXKvrgow1ja/DNXkDpz2ZA DOBQAfA0rMHLJTv2yblJkvhOkxd5Epm48yl5TOkY40kuUulYDB+9zm56KSQWxmdf894K gTxz5jC+6yPFkSwgjBf1HYVTfCOafZMI9VJQgsEtaRomcxHQ5E0rdxpPWsJqfbKivwqo Impq8lqZm1dWT3PMgHKmWlOENKUUeZCX5sE+/RaShPiPEev90mYbmhp78FY0zelYu/6N 8Ejll95pf+E9CJk8hsom422tws8Pn6M/OZrJwwDKZZiqimMF+nKrult85YqLRwaTBeuU GF7Q== X-Gm-Message-State: AOJu0YzO4bzDA+mf4gySfjw/yLY1KtG7vG2+tnMcA1f64ObcmoAExMD8 U87tF4xpKh7YTcwMM07NtX26sHlao+SHkKmkcxm5uAfHTRIHC/WCX0xg X-Gm-Gg: Acq92OErM40zpr6hnRshH89S6JRXO9AFaqLKNsOLPzFLZWM9ikNudUF2cOq/X90aCPO Q3WYY0V3VHOyXdkscROhocGDLj5Psh+C7XpvaveXoPn9VY0d6tRNO+dj50S7Ovu3E4PR4KURfXg UqVDsV5mKqhZufuLxzGJrYwepeaTh3VVDldcU438rkqKIvXjKl9NIjTn/ieybgnHL9Skmb5QHMt 04alkJos2CDRu4FZzK73WcazPPA/RuGv3TlbvPbss//8bfcBWk31YSNoCQ4uDmND/YgSF25ZHFD XpiyjJ2h0COEzXrMFjdIsLlj2D7u19OPCqCfrInPJyfcoNWJZFVWgCo2/uPIfowAWro/F+mIzOs y9Vw18Fjs4bs/WHD2IT5W41GqTl5MkaJBxQyFKYug1PqJAwiSnUkef2NCXKD2D9W3kaAtLIo/9x UC+3et5KoQZZ4A X-Received: by 2002:a05:6000:2508:b0:454:9655:43af with SMTP id ffacd0b85a97d-45e5c30d598mr14636187f8f.0.1779003817436; Sun, 17 May 2026 00:43:37 -0700 (PDT) Received: from xeon ([188.163.112.61]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45da0fe248dsm27512864f8f.30.2026.05.17.00.43.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 17 May 2026 00:43:36 -0700 (PDT) From: Svyatoslav Ryhel To: Lee Jones , Daniel Thompson , Jingoo Han , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jonathan Cameron , David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko , Helge Deller , Svyatoslav Ryhel Cc: dri-devel@lists.freedesktop.org, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, linux-fbdev@vger.kernel.org Subject: [PATCH v1 4/6] mfd: lm3533: set DMA mask Date: Sun, 17 May 2026 10:43:04 +0300 Message-ID: <20260517074306.30937-5-clamor95@gmail.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260517074306.30937-1-clamor95@gmail.com> References: <20260517074306.30937-1-clamor95@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Missing coherent_dma_mask assigning triggers the following warning in dmesg: [ 3.287872] platform lm3533-backlight.0: DMA mask not set Since this warning might be elevated to an error in the future, set coherent_dma_mask to zero because both the core and cells do not utilize DMA. Signed-off-by: Svyatoslav Ryhel --- drivers/mfd/lm3533-core.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/mfd/lm3533-core.c b/drivers/mfd/lm3533-core.c index 131eb1a1c8eb..c7914afd564c 100644 --- a/drivers/mfd/lm3533-core.c +++ b/drivers/mfd/lm3533-core.c @@ -499,6 +499,10 @@ static int lm3533_i2c_probe(struct i2c_client *i2c) lm3533->have_leds = true; } + /* Parent I2C controller uses DMA, LM3533 and child devices do not */ + i2c->dev.coherent_dma_mask = 0; + i2c->dev.dma_mask = &i2c->dev.coherent_dma_mask; + return lm3533_device_init(lm3533); } -- 2.51.0