From patchwork Sat Jan 15 07:33:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 12714338 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 C4B40C433EF for ; Sat, 15 Jan 2022 07:33:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230405AbiAOHda (ORCPT ); Sat, 15 Jan 2022 02:33:30 -0500 Received: from smtp03.smtpout.orange.fr ([80.12.242.125]:59650 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230159AbiAOHd3 (ORCPT ); Sat, 15 Jan 2022 02:33:29 -0500 Received: from pop-os.home ([90.126.236.122]) by smtp.orange.fr with ESMTPA id 8dZ2niAgNhTNk8dZ2n3hEa; Sat, 15 Jan 2022 08:33:28 +0100 X-ME-Helo: pop-os.home X-ME-Auth: YWZlNiIxYWMyZDliZWIzOTcwYTEyYzlhMmU3ZiQ1M2U2MzfzZDfyZTMxZTBkMTYyNDBjNDJlZmQ3ZQ== X-ME-Date: Sat, 15 Jan 2022 08:33:28 +0100 X-ME-IP: 90.126.236.122 From: Christophe JAILLET To: Vinod Koul Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET , dmaengine@vger.kernel.org Subject: [PATCH] dmaengine: iot: Remove useless DMA-32 fallback configuration Date: Sat, 15 Jan 2022 08:33:26 +0100 Message-Id: <1d0de79852a3551545fe896789a75b36e35db8e6.1642231987.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 --- This patch was previously sent with a subject as 'qcom_hidma' which was wrong. --- drivers/dma/ioat/init.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c index 373b8dac6c9b..5d707ff63554 100644 --- a/drivers/dma/ioat/init.c +++ b/drivers/dma/ioat/init.c @@ -1364,8 +1364,6 @@ static int ioat_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) return -ENOMEM; err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); - if (err) - err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); if (err) return err;