From patchwork Sat Jan 15 07:35:20 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 12714339 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6C1A9C433EF for ; Sat, 15 Jan 2022 07:35:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231354AbiAOHf0 (ORCPT ); Sat, 15 Jan 2022 02:35:26 -0500 Received: from smtp03.smtpout.orange.fr ([80.12.242.125]:58500 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230071AbiAOHfZ (ORCPT ); Sat, 15 Jan 2022 02:35:25 -0500 Received: from pop-os.home ([90.126.236.122]) by smtp.orange.fr with ESMTPA id 8darniBFzhTNk8darn3hMm; Sat, 15 Jan 2022 08:35:24 +0100 X-ME-Helo: pop-os.home X-ME-Auth: YWZlNiIxYWMyZDliZWIzOTcwYTEyYzlhMmU3ZiQ1M2U2MzfzZDfyZTMxZTBkMTYyNDBjNDJlZmQ3ZQ== X-ME-Date: Sat, 15 Jan 2022 08:35:24 +0100 X-ME-IP: 90.126.236.122 From: Christophe JAILLET To: Sinan Kaya , Andy Gross , Bjorn Andersson , Vinod Koul Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET , linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, dmaengine@vger.kernel.org Subject: [PATCH v2] dmaengine: qcom_hidma: Remove useless DMA-32 fallback configuration Date: Sat, 15 Jan 2022 08:35:20 +0100 Message-Id: <4deb32b0c7838da66608022c584326eb01d0da03.1642232106.git.christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org As stated in [1], dma_set_mask() with a 64-bit mask never fails if dev->dma_mask is non-NULL. So, if it fails, the 32 bits case will also fail for the same reason. Simplify code and remove some dead code accordingly. [1]: https://lore.kernel.org/linux-kernel/YL3vSPK5DXTNvgdx@infradead.org/#t Signed-off-by: Christophe JAILLET Acked-By: Sinan Kaya --- v2: have the subject and updated driver match --- drivers/dma/qcom/hidma.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/dma/qcom/hidma.c b/drivers/dma/qcom/hidma.c index 65d054bb11aa..51587cf8196b 100644 --- a/drivers/dma/qcom/hidma.c +++ b/drivers/dma/qcom/hidma.c @@ -838,9 +838,7 @@ static int hidma_probe(struct platform_device *pdev) rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); if (rc) { dev_warn(&pdev->dev, "unable to set coherent mask to 64"); - rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); - if (rc) - goto dmafree; + goto dmafree; } dmadev->lldev = hidma_ll_init(dmadev->ddev.dev,