From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f51.google.com (mail-ej1-f51.google.com [209.85.218.51]) (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 3A4F429BDB1 for ; Fri, 17 Oct 2025 10:30:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.51 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760697001; cv=none; b=gipzc1rIXne8ktdxgS7K2SSH3MVasZLu4K8AQqeha+q80mBYonW3QdqAzDv2e1DU7BD4D2IUJ/RNm6fJOhUMXHvSrk9pecncz/j5F4FImqaD6yAVCEzXdhTV1qwnoubMSXUXapT0mEmUaqfLhJ7eURnzIN6MB07uWT8x8PVDtd0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760697001; c=relaxed/simple; bh=bFzBxCYSLJLC2MX2D/+1wvpsD2+zTvyLj1zRe/3pI3E=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=HmFk+3bDc5PE/LviviXKgsoHUVPkzmYeAK2HjE1bi0SGn6gyfi0Qv87PTFyXQ35AL9GswtM7TLZbggPdvnoF6SauWWPV32K1VL+sAYgIkKo05Uj/eu/yp/tT20D1G/8qU36gnR60XRP5mYwiSu0p3UMCAJThxO69WQNq+dbkegw= 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=gavs/aOc; arc=none smtp.client-ip=209.85.218.51 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="gavs/aOc" Received: by mail-ej1-f51.google.com with SMTP id a640c23a62f3a-b3c2db014easo389031466b.0 for ; Fri, 17 Oct 2025 03:29:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1760696998; x=1761301798; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=Cqvm+FvUGGdtRylrUSb6iKBuvJCIycpT57JXF4tXRWc=; b=gavs/aOcok0WY5orXnHMHR+cleSjgXPykIdUWrMHmBX1pTfwgJ6ceTB1F73CI6u10P RzjE/eGGWnNUo/owF2ejwG5KUeX3vsSIOQ6+2IfYCwTprt5ocLf82IH2wlnuxQOBguSQ DxUrX7WvjHtdb9D3IT0AsuhkF0gdxrRQEDVp2qQ7DXUHdQGd5MQvKuJEg2fZOrCITRFF hnkZpXrjxAX3G2XlENfzSAzdE6toj/XODldcACb4cuicsQMJbnBekcammz7G57critoj IbhV3kRAbJMS47pHHp31giZYmYoNhE4p1cZHJN9HsJ2KyH2vkmMn6cHYKayvgyijlT6g cfKQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1760696998; x=1761301798; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=Cqvm+FvUGGdtRylrUSb6iKBuvJCIycpT57JXF4tXRWc=; b=Ck7QQsrMmvEvLrqcp2cy+IWXpofCkGSnaMIKtifLN5tL03Q+YC9Y7FRrLljOdVvsr6 OoioTEQN7EidLPGLxFdeiWAsw/mfkjZ4h0xbQUuJCXUpnmUhSDZv8IfKJX9wLF9hNGWF yGqYwJktGOXN1ur8LCFpizN9fdGNF+OYugleKGIoqRIUAsiIy7743XehAhzyTpzNgLUu 2PSTSwRq9cOM0HSVn/n6NEJf8zLwIEFj1ZrSyDUJDhf4ae1tbV3PJZd1UpW0i60kSJ+7 xSvRoE+ADMElNfy0GeGKD/dC4+vIjE18ZS/kefZHkB5MQF0ScNFsB0V1n40XP6zXefMO Jllg== X-Forwarded-Encrypted: i=1; AJvYcCWJJpGHUSBbmS/8OxCBrOCYcw1SS7NC2q9JRCIKglcPX8oJ544a8DmSf0oTcPCDIHdyPEIOySi7SjU=@vger.kernel.org X-Gm-Message-State: AOJu0Yw7ywA4594NcAcv4LNQcubdzaT0/qgqcsi83WN3XD0jyWuZ4TyM K7UvZWuN/QG81mz8o9TZxrzd7fbcr/6VlnTfPbCyOHsmGYXRrVHa9VRng+DK/1qVkPQ= X-Gm-Gg: ASbGncuwLkSSg7Fgm9z+ytE/QIN/scbI9/NCN3IgGGQ+gYAxsbVhegWLjdds1Q3Flqv jzbMxcAGhaiSlfi/SKF+VpZekp65g9AYuGFz439CFAi2dqIOCKZOW4LQwO/5WiAcD1PJyNeGBve pZEb5TVG9VP9RgXEZvgFkszEM0S5ARlEYjVISC4i0KLM77boWwAYt/7yzgZkEPzsxwLBzZ+R8dp u+3tvC/MtZxkvozoj0w4QmIivdWsj5tAhtnBSb4lVvua4XQyoF8xnVbJFxp+yAYaeowav5kTBUX CT78NHGLWfEWxKn25Qv8YR3VxaFy9fWNOXMiamdBoyhmVk5/r+7SpRXLV1k78zqe8OytavG9w3U ULGM0F97qivOcleluRSMnAB9o2VMuIycGZP7DWrdaYhm0csSsv9aAVOG8Wd5SAEFZ42YofqMlTG fTrLaVMNRETIRsrSbc X-Google-Smtp-Source: AGHT+IHhRfymyE7H7W9XmHZdTf7jW9emSkbTcMJSr3rPCnTSzRknlKYAgBM44E0dPLSJ7+01KB9GgQ== X-Received: by 2002:a17:907:94c3:b0:b40:b6a9:f70f with SMTP id a640c23a62f3a-b6472b60410mr328553266b.4.1760696998502; Fri, 17 Oct 2025 03:29:58 -0700 (PDT) Received: from NB-6746.corp.yadro.com ([188.243.183.84]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b5cccdacd88sm780513166b.43.2025.10.17.03.29.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Oct 2025 03:29:58 -0700 (PDT) From: Artem Shimko To: Vinod Koul , Philipp Zabel Cc: Eugeniy.Paltsev@synopsys.com, Artem Shimko , linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org Subject: [PATCH v4 0/2] dmaengine: dw-axi-dmac: PM cleanup and reset control support Date: Fri, 17 Oct 2025 13:29:47 +0300 Message-ID: <20251017102950.206443-1-a.shimko.dev@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hello maintainers and reviewers, This patch series improves the dw-axi-dmac driver in two areas: Patch 1 simplifies the power management code by using modern kernel macros and removing redundant wrapper functions, making the code more maintainable and aligned with current kernel practices. Patch 2 adds proper reset control support to ensure reliable initialization and power management, handling resets during probe, remove, and suspend/resume operations. For debugging, I used dev_info from the suspend/resume functions. Before pushing, I removed dev_info from the driver. Suspend: echo 0 > /sys/module/printk/parameters/console_suspend echo mem > /sys/power/state ... [ 195.339311] dw_axi_dmac_platform 100NDA00.NDA-axi-dma: drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c axi_dma_suspend [ 195.350274] dw_axi_dmac_platform 100NDA00.NDA-axi-dma: drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c axi_dma_suspend [ 195.361223] dw_axi_dmac_platform 100NDA00.NDA-axi-dma: drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c axi_dma_suspend ... Resume: ... [ 200.669945] dw_axi_dmac_platform 100NDA00.NDA-axi-dma: drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c axi_dma_resume [ 200.680975] dw_axi_dmac_platform 100NDA00.NDA-axi-dma: drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c axi_dma_resume [ 200.692108] dw_axi_dmac_platform 100NDA00.NDA-axi-dma: drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c axi_dma_resume ... Best regards, Artem Shimko ChangeLog: v1: * https://lore.kernel.org/all/20251012100002.2959213-1-a.shimko.dev@gmail.com/T/#t v2: * https://lore.kernel.org/all/20251013150234.3200627-1-a.shimko.dev@gmail.com/T/#u v3: * https://lore.kernel.org/all/20251016154627.175796-1-a.shimko.dev@gmail.com/T/#t v4: * Add error handling for reset_control_deassert() functions * Add error log for reset_control_assert() function in suspend Artem Shimko (2): dmaengine: dw-axi-dmac: simplify PM functions and use modern macros dmaengine: dw-axi-dmac: add reset control support .../dma/dw-axi-dmac/dw-axi-dmac-platform.c | 81 ++++++++++--------- drivers/dma/dw-axi-dmac/dw-axi-dmac.h | 1 + 2 files changed, 44 insertions(+), 38 deletions(-) -- 2.43.0