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: 13033643 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 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.lore.kernel.org (Postfix) with ESMTPS id DF07AC433FE for ; Sun, 6 Nov 2022 22:05:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=IPU3wIbDWdUzjzYRcoG8sSBFG50YgCSgyD6LTe9izWs=; b=PV4jvtucR1xqUx qMN/2mapj+M6Weh8wgNI0f6TItpCZIdu+wECTmf73Qd4eb404+3LUFEKEiV4CYF5j5prnBxMJrjVt vLsGfkHif8fyhwze1BtrfLAXjHMjBk8WsJs5pSNi/80/eyta8L0lVbFuRaABx/zZlr2DL1KDySkyM 8sqL+DapoJMjGJ5vkk5aUJd/OHfAfAbCMQNIZBeIJIXCcC/ILeNAnMsafvHEjt+8dKPBC5oFbrIpQ FPX6m1WqLenWVGxgzLcnmySDavSwURBF+RQlNbqeEmbstpAx/xrqzE5bdqZyQGJsy8a/0zzaiP8EL eYnQQ6xv54bGixlRpJKQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ornkQ-00A9vY-Fs; Sun, 06 Nov 2022 22:04:10 +0000 Received: from ams.source.kernel.org ([145.40.68.75]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ornin-00A91D-4C for linux-arm-kernel@lists.infradead.org; Sun, 06 Nov 2022 22:02:40 +0000 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221106_140239_422870_38D81911 X-CRM114-Status: GOOD ( 13.80 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 */