From patchwork Sun Jan 9 18:25:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 12707911 X-Patchwork-Delegate: kuba@kernel.org 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 1F3BCC433F5 for ; Sun, 9 Jan 2022 18:25:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236456AbiAISZJ (ORCPT ); Sun, 9 Jan 2022 13:25:09 -0500 Received: from smtp04.smtpout.orange.fr ([80.12.242.126]:55820 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236439AbiAISZI (ORCPT ); Sun, 9 Jan 2022 13:25:08 -0500 Received: from pop-os.home ([90.11.185.88]) by smtp.orange.fr with ESMTPA id 6csNnvsrpsoWh6csNnw30x; Sun, 09 Jan 2022 19:25:07 +0100 X-ME-Helo: pop-os.home X-ME-Auth: YWZlNiIxYWMyZDliZWIzOTcwYTEyYzlhMmU3ZiQ1M2U2MzfzZDfyZTMxZTBkMTYyNDBjNDJlZmQ3ZQ== X-ME-Date: Sun, 09 Jan 2022 19:25:07 +0100 X-ME-IP: 90.11.185.88 From: Christophe JAILLET To: Jesse Brandeburg , Tony Nguyen , "David S. Miller" , Jakub Kicinski Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET , Christoph Hellwig , Alexander Lobakin , intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org Subject: [PATCH] ice: Remove useless DMA-32 fallback configuration Date: Sun, 9 Jan 2022 19:25:05 +0100 Message-Id: <6a4df3e0a0849f179f9747f47b9c8cae53b29b59.1641752692.git.christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@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://lkml.org/lkml/2021/6/7/398 Signed-off-by: Christophe JAILLET Reviewed-by: Christoph Hellwig Reviewed-by: Alexander Lobakin Tested-by: Gurucharan G (A Contingent worker at Intel) --- drivers/net/ethernet/intel/ice/ice_main.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index e29176889c23..785d98889cb4 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -4435,8 +4435,6 @@ ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent) /* set up for high or low DMA */ err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)); - if (err) - err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); if (err) { dev_err(dev, "DMA configuration failed: 0x%x\n", err); return err;