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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 DED27D13570 for ; Mon, 28 Oct 2024 08:11:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=H1ylpfg2tv+T64Q3XUj3HdzouUC/VnxSkYzawdim5GM=; b=gghR8BYXGL0KRRjzl39WI/LRyG WYGIHcaNDDzAcxVLf3SBdOCTM6U963tqb0is/DluZ0mj+yubvjDfZ6XgyKI2MKpuhWw3jvNxfV4z9 Dso3XpE6MsUtCdO7m+EDHVG21GMRuL+SEwRWN7ArollwGKVkDoEcWfeks6SQUopJQxwHLNxDXYtRU 3umpo2JxnVoGyfkay1fRGMUcQxrveAtI53UlFfgD/7ko+qpUanTzbuVvD3tUlHbLYQhWqqiWoJuzJ ZDHvuI6PqCuSf06NZqPaubFQfRBk2zfK4482eNTs3ThgUpmfEBZU7tK0j6E7xnqZURcBhR1HglrRr PKnp68pA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t5KqU-0000000A3Qs-284G; Mon, 28 Oct 2024 08:11:26 +0000 Received: from nyc.source.kernel.org ([2604:1380:45d1:ec00::3]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t5Knq-0000000A2ZS-1QgK for linux-arm-kernel@lists.infradead.org; Mon, 28 Oct 2024 08:08:43 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 384E0A41A66; Mon, 28 Oct 2024 08:06:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C5D0AC4CEC3; Mon, 28 Oct 2024 08:08:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1730102921; bh=qvFtQfpBbLGFZI3KArfCP7mQmMreBDHLeG901dppUjE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=FPWtDfAnbCaRirfonwMQuCjhLtPKn5kkSkxXGz5jtkzn0UlNbdfytm37IiiC4z2l7 7EcHLSFBXHY4oZoafpBK6/8NBY4ZbUSOfA4d4uckJjjuez3ZeVSwErIHcCGkk+G5m/ tvHj9wlpyf8ae5DyUNMdP5SHdEZofBa4ywFgbhSk4QM9e0KiPxfxJA1jtHBlQzo8Ct 2yX5nAvgYNqoqD4jhLZcdOhm8mtVEAAITCDY1x+STQwCxlnVLh9CpOR2CevHxNZ5+9 wsfTDDUIlWoIuWy0dz1Ca5Iud0LjOgf4THoJFRW117+f2PVaDltEEp47SL7Ii+38Vv ZZZm1T+YlaCJA== Message-ID: <5fa06b0c-a420-41a4-97ce-b6e5055ab397@kernel.org> Date: Mon, 28 Oct 2024 09:08:33 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 02/10] dma-engine: sun4i: Add has_reset option to quirk To: =?UTF-8?B?Q3PDs2vDoXMgQmVuY2U=?= Cc: dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Mesih Kilinc , Vinod Koul , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Philipp Zabel References: <20241027091440.1913863-1-csokas.bence@prolan.hu> <20241027091440.1913863-2-csokas.bence@prolan.hu> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241028_010842_524441_717D5575 X-CRM114-Status: GOOD ( 12.10 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 28/10/2024 08:37, Csókás Bence wrote: > Hi, > > On 2024. 10. 27. 21:42, Krzysztof Kozlowski wrote: >> On Sun, Oct 27, 2024 at 10:14:32AM +0100, Csókás, Bence wrote: >>> From: Mesih Kilinc >>> >>> Allwinner suniv F1C100s has a reset bit for DMA in CCU. Sun4i do not >>> has this bit but in order to support suniv we need to add it. So add >>> support for reset bit. >>> >>> static struct sun4i_dma_dev *to_sun4i_dma_dev(struct dma_device *dev) >>> @@ -1215,6 +1218,15 @@ static int sun4i_dma_probe(struct platform_device *pdev) >>> return PTR_ERR(priv->clk); >>> } >>> >>> + if (priv->cfg->has_reset) { >>> + priv->rst = devm_reset_control_get_exclusive(&pdev->dev, >>> + NULL); >>> + if (IS_ERR(priv->rst)) { >>> + dev_err_probe(&pdev->dev, "Failed to get reset control\n"); >> >> syntax is: return dev_err_probe() >> >> Best regards, >> Krzysztof > > Thanks! And regarding v3 of this patch, I have `clk_disable_unprepare()` No, you do not. Read your code correctly. + dev_err_probe(&pdev->dev, "Failed to get reset control\n"); + return PTR_ERR(priv->rst); Where is here clk_disable_unprepare()? Best regards, Krzysztof