From mboxrd@z Thu Jan 1 00:00:00 1970 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.subspace.kernel.org (Postfix) with ESMTPS id 5A5A23214; Sat, 24 Aug 2024 03:49:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724471371; cv=none; b=ByR4oxGRLeuoy1jNEGlb0vhxCpNoxOm2+DqZIixkdIffcWdrq/3lMc7B+jiadpXrqXFM277DZ18jV0WHnezogyfBZMIITlzoCe2Ds538KYRVSjaZmywlOILxJ42n5/Xx0p1wYHseQEdSwUnUmhrk5T5BsqzUw0aAFfyz4mHvFns= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724471371; c=relaxed/simple; bh=oUiQbPGEIGbA8nli/SmRi3mzqzziuakoXIzOXtb+xpE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=ZKKGAq+RXw6d5KuKWwmNlxYIYrBLWJsV8C0Kj1UXoMHZRkP1YTDs8D4FBhkZ7GhkhE7lGk2XIfgKLuiBmLFvf+ItNxHwuhG411SYQkemZm/YEpznemRvdrQkCVaXNI401prHE6zmjv42Hq2cNoFbQRupHl3ThZm7R+GBBkfwQwk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=ici0RPIL; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="ici0RPIL" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:In-Reply-To:References; bh=lT8Q7lVbYLqAyc8sacwXTnlCDNIWPRROT3qiMFaqTZk=; b=ici0RPIL/M2nHmgpbOTzIczhfy Xf064nAGTpp3wblOY3ztqrmNg4G/oRrsm5TKwa4zywRcNwzYu1Rf08QJQ65m5S/L2Jx3eV+UQGsf7 Mff+VAf+rr/L13sUmvF8WDOG+nvWHJYug58RxXvej6IIhW42tl98VqftFcYlm4cOdm5oA9+3nebE8 5wFm2Mr7RYRQ+elxXzSZwHxZgjr9NAWBba6mtZDB6PDwBmc/tqvLVQB7URXCL2TWBxLx7QqSC3E5g vah03tQD4MtZdIu0x0BotBzYDJN+KnTgC3ow+x5Hd71rRPBnzVus8CdHINbN7Me70ym6TfyJiPRsl dh9ksCqA==; Received: from 2a02-8389-2341-5b80-7457-864c-9b77-b751.cable.dynamic.v6.surfer.at ([2a02:8389:2341:5b80:7457:864c:9b77:b751] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1shhmJ-00000001Mzu-3l73; Sat, 24 Aug 2024 03:49:28 +0000 From: Christoph Hellwig To: iommu@lists.linux.dev Cc: "Martin K. Petersen" , Robin Murphy , Marek Szyprowski , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-hyperv@vger.kernel.org, netdev@vger.kernel.org Subject: remove the dma_set_{max_seg_size,seg_boundary,min_align_mask} return value v2 Date: Sat, 24 Aug 2024 05:49:11 +0200 Message-ID: <20240824034925.1163244-1-hch@lst.de> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Hi all, the above three functions can only return errors if the bus code failed to allocate the dma_parms structure, which is a grave error that won't get us far. Thus remove the pointless return values, that so far have fortunately been mostly ignored, but which the cleanup brigade now wants to check for for no good reason. Changes since v1: - fix SCSI to not call dma_set_max_seg_size and dma_set_seg_boundary unconditionally Diffstat: drivers/accel/qaic/qaic_drv.c | 4 -- drivers/dma/idma64.c | 4 -- drivers/dma/pl330.c | 5 --- drivers/dma/qcom/bam_dma.c | 6 ---- drivers/dma/sh/rcar-dmac.c | 4 -- drivers/dma/ste_dma40.c | 6 ---- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 6 ---- drivers/media/common/videobuf2/videobuf2-dma-contig.c | 3 -- drivers/media/pci/intel/ipu6/ipu6.c | 4 -- drivers/mmc/host/mmci_stm32_sdmmc.c | 3 +- drivers/net/ethernet/microsoft/mana/gdma_main.c | 6 ---- drivers/scsi/lpfc/lpfc_init.c | 7 ----- drivers/scsi/scsi_lib.c | 11 ++++++- include/linux/dma-mapping.h | 25 +++++++----------- 14 files changed, 32 insertions(+), 62 deletions(-)