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 X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 770FDC43460 for ; Thu, 13 May 2021 19:27:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 49C68613DF for ; Thu, 13 May 2021 19:27:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232363AbhEMT20 (ORCPT ); Thu, 13 May 2021 15:28:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53296 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232331AbhEMT2S (ORCPT ); Thu, 13 May 2021 15:28:18 -0400 Received: from mail-wm1-x335.google.com (mail-wm1-x335.google.com [IPv6:2a00:1450:4864:20::335]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C2308C061574 for ; Thu, 13 May 2021 12:27:07 -0700 (PDT) Received: by mail-wm1-x335.google.com with SMTP id u133so3683621wmg.1 for ; Thu, 13 May 2021 12:27:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Hz2oyLCaodXd740ljA7xd9Idy1mmKCo0jqV0VyN8IUY=; b=sZXPaAsyf4ffDKyjs8O74Zge/X6jI76n+7YbKvJU+8109bI8MJgtyqcVubGJ1uWW3E yDI9/5+ruZ4+gDkA88wjjw7c7yGdcOc5GeYdkAgSZE/HDGkj6E54ITAKOUGug7YWoeGE 2hPNROBUj4fBoXzzlqCyO0VisN7iG4jbaHqw0FyrMUMX2IRNx9ztDhzXBMP+JLfD8ZlD +J/1MFdbJ1AZEiyMFKQhzoXwkDk/uzYp0cQv1BIz/zE3RbspfofQ8QqrzLHd5CH5i6Jb 5X1We59Js9IgROMufEwo3ZfD24fE47qy+g0tKH0ENk02rjwb0aKMBHniaUD5g41LYQC1 zIag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Hz2oyLCaodXd740ljA7xd9Idy1mmKCo0jqV0VyN8IUY=; b=D1MBDYy7uLtfq+2l1V9akIng6UVrWXlDLFYpRRM9vEslEFLkPDn8lEFaQUHHWfZXDj g3htiMwqwe7zJRTsBJLdQ8t2HFmKqgdHBt4oNuKmydOiHrsIY6MAm4TLYmf7AHLPfUi6 mZG3LZsEXEtmxHxxi1hNjchinhcNdORUAutipx0/CgNbOj/ThkQndJVboCy5WmuQFwH7 71ZprQUSZTFgXLNjmjio9jQ21LciDgTeDyZ6U9+Asd8naExS4KnIIlVLyfwegrtavb+M WIB0yfw4tTikPpm7zqNW6Cevxkwnbit3kUoPY9+0seU2PiACe19LQYjQL0Tp/5AFOvMY TO9g== X-Gm-Message-State: AOAM5339ZPt8jlOMDQPsKecMiXfXG6CODfbNBlV32HPG+4R4lE5nFOfs yJ8hNo7Q2fFsag6q2AeN681uWg== X-Google-Smtp-Source: ABdhPJyzpUQgQL+VR9Dht+XY5fDnyA8jmiEPMMbUTAkreqWtyug65TxodZHPUV0tmb60GFcF2HSkQg== X-Received: by 2002:a1c:b342:: with SMTP id c63mr46096700wmf.162.1620934026480; Thu, 13 May 2021 12:27:06 -0700 (PDT) Received: from localhost.localdomain (2a02-8440-6341-d842-3074-96af-9642-0002.rev.sfr.net. [2a02:8440:6341:d842:3074:96af:9642:2]) by smtp.gmail.com with ESMTPSA id h9sm3053621wmb.35.2021.05.13.12.27.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 May 2021 12:27:06 -0700 (PDT) From: Guillaume Ranquet Cc: Sean Wang , Vinod Koul , Matthias Brugger , dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 3/3] dmaengine: mediatek: use GFP_NOWAIT instead of GFP_ATOMIC in prep_dma Date: Thu, 13 May 2021 21:26:42 +0200 Message-Id: <20210513192642.29446-4-granquet@baylibre.com> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20210513192642.29446-1-granquet@baylibre.com> References: <20210513192642.29446-1-granquet@baylibre.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org As recommended by the doc in: Documentation/drivers-api/dmaengine/provider.rst Use GFP_NOWAIT to not deplete the emergency pool. Signed-off-by: Guillaume Ranquet diff --git a/drivers/dma/mediatek/mtk-uart-apdma.c b/drivers/dma/mediatek/mtk-uart-apdma.c index a09ab2dd3b46..375e7e647df6 100644 --- a/drivers/dma/mediatek/mtk-uart-apdma.c +++ b/drivers/dma/mediatek/mtk-uart-apdma.c @@ -349,7 +349,7 @@ static struct dma_async_tx_descriptor *mtk_uart_apdma_prep_slave_sg return NULL; /* Now allocate and setup the descriptor */ - d = kzalloc(sizeof(*d), GFP_ATOMIC); + d = kzalloc(sizeof(*d), GFP_NOWAIT); if (!d) return NULL; -- 2.26.3