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 45711C25B08 for ; Sat, 20 Aug 2022 13:00:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=wWhbLOWQeQaMqqYOOH3kkCMC4GuAxM2qlUXLtSV2yBY=; b=4/GGshlbrHBICz PNwUyn02Gr4XyGZ20IkA8rdPXUURccONJRgrkr/TkLiNjGIw35EhdIQ7hMT0taUAFXAORu5nGa4BI QXpmYu3qthS6ef9dBS+y0NIqtwrpL83BkjNVHZZRtjv8cE63fQhgZl2ekQs+5gp/jQKLd6fbNwa9B pKHAnxjAoQ89lglPwo3E6oDfbG8PevDUpAHfNeWPvQRK5YBv2uE3I6c61IQ2hU14+w2bJdOVrwHY9 Ap8sEdbW5FMGn/yjKElNkxVPRzgvpvwy9mX4uJv2VQ6Z/sEvctVU693SdxPX2FraS4OkoHmHvX/b1 5337V631VYqcV7BgSlzQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oPO4U-00ADAV-1Y; Sat, 20 Aug 2022 12:59:26 +0000 Received: from esa.microchip.iphmx.com ([68.232.153.233]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oPO2q-00ACTi-0Z for linux-arm-kernel@lists.infradead.org; Sat, 20 Aug 2022 12:57:45 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1661000265; x=1692536265; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=dTTi1bl8hDEHuPm5ibXS4s2heL+9TD/juZdMY07cfKw=; b=FTuwFOACPKGLuZkBNWOB91hLJSQWh6NytuXZ51Ev0+n2rgthLUU5AKP2 FlQ3318Jo0ysRlzsYKwy/cqAkn6b8BZL5kbo2Vk3QP4l7YwYsKhzohuwC 1+XMcADEScTLyyqbqDnNn98wEeQtR2p6/QqcuH7tRlTH/sGBywAQAH2Cw VI74Muuk8Jf8IDecdnJ4XzhWqtGEszAJ957qyS19vhPMmOgYMLl+4JewO DYV0nxDI99Aee2Qum7gbwv4tluZihJ4bWbuLZe5O7q5/Mce+/v5AMUDnh lSgIRyV3V82Qo/B4tPY0nh8pypZwICdX7pVjGjLX1EoMGWDYRSFzDFRWA A==; X-IronPort-AV: E=Sophos;i="5.93,251,1654585200"; d="scan'208";a="177042710" Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa5.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 20 Aug 2022 05:57:44 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.85.144) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.12; Sat, 20 Aug 2022 05:57:42 -0700 Received: from ROB-ULT-M18064N.mchp-main.com (10.10.115.15) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2507.12 via Frontend Transport; Sat, 20 Aug 2022 05:57:39 -0700 From: Tudor Ambarus To: , , , Subject: [PATCH 06/33] dmaengine: at_hdmac: Return dma_cookie_status()'s ret code when txstate is NULL Date: Sat, 20 Aug 2022 15:56:50 +0300 Message-ID: <20220820125717.588722-7-tudor.ambarus@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220820125717.588722-1-tudor.ambarus@microchip.com> References: <20220820125717.588722-1-tudor.ambarus@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220820_055744_102746_36298258 X-CRM114-Status: GOOD ( 10.72 ) 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: , Cc: tudor.ambarus@microchip.com, linux-kernel@vger.kernel.org, maciej.sosnowski@intel.com, mripard@kernel.org, torfl6749@gmail.com, ludovic.desroches@microchip.com, dmaengine@vger.kernel.org, dan.j.williams@intel.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org txstate is an optional parameter used to get a struct with auxilary transfer status information. When not provided the call to device_tx_status() should return the status of the dma cookie. Return the status of dma cookie when the txstate optional parameter is not provided. Signed-off-by: Tudor Ambarus --- drivers/dma/at_hdmac.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 085a990f8d5d..91e53a590d5f 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -1947,14 +1947,8 @@ atc_tx_status(struct dma_chan *chan, int bytes = 0; ret = dma_cookie_status(chan, cookie, txstate); - if (ret == DMA_COMPLETE) + if (ret == DMA_COMPLETE || !txstate) return ret; - /* - * There's no point calculating the residue if there's - * no txstate to store the value. - */ - if (!txstate) - return DMA_ERROR; spin_lock_irqsave(&atchan->lock, flags); -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel