From patchwork Sun Nov 6 22:01:39 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Catalin Marinas X-Patchwork-Id: 13033629 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8065EC433FE for ; Sun, 6 Nov 2022 22:02:30 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D253F8E000C; Sun, 6 Nov 2022 17:02:29 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id CD47F8E0001; Sun, 6 Nov 2022 17:02:29 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B9C6D8E000C; Sun, 6 Nov 2022 17:02:29 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id AC2688E0001 for ; Sun, 6 Nov 2022 17:02:29 -0500 (EST) Received: from smtpin08.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 8FD9EA06B4 for ; Sun, 6 Nov 2022 22:02:29 +0000 (UTC) X-FDA: 80104392018.08.5CED29C Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by imf14.hostedemail.com (Postfix) with ESMTP id 1E274100004 for ; Sun, 6 Nov 2022 22:02:28 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id C2D38B80D48; Sun, 6 Nov 2022 22:02:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CA6E9C433D6; Sun, 6 Nov 2022 22:02:22 +0000 (UTC) From: Catalin Marinas To: Linus Torvalds , Arnd Bergmann , Christoph Hellwig , Greg Kroah-Hartman Cc: Will Deacon , Marc Zyngier , Andrew Morton , Herbert Xu , Ard Biesheuvel , Isaac Manjarres , Saravana Kannan , Alasdair Kergon , Daniel Vetter , Joerg Roedel , Mark Brown , Mike Snitzer , "Rafael J. Wysocki" , Robin Murphy , linux-mm@kvack.org, iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 09/13] drivers/usb: Use ARCH_DMA_MINALIGN instead of ARCH_KMALLOC_MINALIGN Date: Sun, 6 Nov 2022 22:01:39 +0000 Message-Id: <20221106220143.2129263-10-catalin.marinas@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221106220143.2129263-1-catalin.marinas@arm.com> References: <20221106220143.2129263-1-catalin.marinas@arm.com> MIME-Version: 1.0 ARC-Authentication-Results: i=1; imf14.hostedemail.com; dkim=none; spf=pass (imf14.hostedemail.com: domain of cmarinas@kernel.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=cmarinas@kernel.org; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=arm.com (policy=none) ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1667772149; a=rsa-sha256; cv=none; b=JxzbKKKt6i7Gdm8+3VD607Z9Fslep0G02uUeoJJcjtr3f3WlwseMXTbTgvLMSUzCu7YG+a pN3nxsmZGeH6Ik9lKn/uekJjd6YwGlt6RyusdvpDUrxudkA9mXTvY/LPurFQt2kIh9iq1i 0Nn38ZhPD9UKf0h7WI486EiFhQOPooM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1667772149; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=rq19jP8KoV6cfikLmjA5jQ41EC5pXyhnoRUI2FjO7tU=; b=7tUrP5aGu8WfqktgpahB3woPG75mtrDf77F8l+XkOqq74eW0BrYlUBk8+BzvujM/mLXSYv ACxg497qVKp7bSOBWA6AmXQN1QdZ2267MrtpNm+3XjFUWlI4EsSBbhjFPLR+k1fsintzwC vXpF+wSHeRjSegYUuWQmo6jukAX0ILk= X-Stat-Signature: wwn64pwyte16w3dgti5pa3ot5px4f1e1 X-Rspamd-Queue-Id: 1E274100004 Authentication-Results: imf14.hostedemail.com; dkim=none; spf=pass (imf14.hostedemail.com: domain of cmarinas@kernel.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=cmarinas@kernel.org; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=arm.com (policy=none) X-Rspamd-Server: rspam05 X-Rspam-User: X-HE-Tag: 1667772148-681355 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: ARCH_DMA_MINALIGN represents the minimum (static) alignment for safe DMA operations while ARCH_KMALLOC_MINALIGN is the minimum kmalloc() objects alignment. Signed-off-by: Catalin Marinas Cc: Greg Kroah-Hartman --- drivers/usb/core/buffer.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c index fbb087b728dc..e21d8d106977 100644 --- a/drivers/usb/core/buffer.c +++ b/drivers/usb/core/buffer.c @@ -34,13 +34,13 @@ void __init usb_init_pool_max(void) { /* * The pool_max values must never be smaller than - * ARCH_KMALLOC_MINALIGN. + * ARCH_DMA_MINALIGN. */ - if (ARCH_KMALLOC_MINALIGN <= 32) + if (ARCH_DMA_MINALIGN <= 32) ; /* Original value is okay */ - else if (ARCH_KMALLOC_MINALIGN <= 64) + else if (ARCH_DMA_MINALIGN <= 64) pool_max[0] = 64; - else if (ARCH_KMALLOC_MINALIGN <= 128) + else if (ARCH_DMA_MINALIGN <= 128) pool_max[0] = 0; /* Don't use this pool */ else BUILD_BUG(); /* We don't allow this */