From patchwork Wed Mar 15 19:21:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Desnes Nunes X-Patchwork-Id: 663955 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 5A874C6FD1D for ; Wed, 15 Mar 2023 19:23:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232017AbjCOTXI (ORCPT ); Wed, 15 Mar 2023 15:23:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37996 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232885AbjCOTW4 (ORCPT ); Wed, 15 Mar 2023 15:22:56 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BE0965CC22 for ; Wed, 15 Mar 2023 12:22:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1678908128; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=sjZeOywou5LlsR82ghKWrKmDeccS5hy5Eq4jX+ackx4=; b=f+hCkX0agd0KwFFOB5OsAYLMPdPXRZ6eI5ueXFn8wQPCcrK4ilFKpaJH5MslC2lvoK88Eh 8Qk3P68jpzkDL3+KGg0YNtGA5U2QQd40GPIxQPHCPNHMf9ZVSh751+2Ixv4DO6pJjomUn4 1aS7YsgxEEQdrYGyKyJtGHarHf8ic/Q= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-479-8Xixh3fnNt647TNZ_7BuCQ-1; Wed, 15 Mar 2023 15:22:05 -0400 X-MC-Unique: 8Xixh3fnNt647TNZ_7BuCQ-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id C17481C06EDB; Wed, 15 Mar 2023 19:22:04 +0000 (UTC) Received: from desnesn.remote.csb (ovpn-116-3.gru2.redhat.com [10.97.116.3]) by smtp.corp.redhat.com (Postfix) with ESMTP id 28C4740C6E67; Wed, 15 Mar 2023 19:22:01 +0000 (UTC) From: Desnes Nunes To: iommu@lists.linux.dev, linux-scsi@vger.kernel.org, storagedev@microchip.com, linux-kernel@vger.kernel.org Cc: hch@lst.de, martin.petersen@oracle.com, don.brace@microchip.com, m.szyprowski@samsung.com, robin.murphy@arm.com, jejb@linux.ibm.com, jsnitsel@redhat.com, Desnes Nunes Subject: [PATCH 1/3] dma-debug: small dma_debug_entry's comment and variable name updates Date: Wed, 15 Mar 2023 16:21:28 -0300 Message-Id: <20230315192130.970021-2-desnesn@redhat.com> In-Reply-To: <20230315192130.970021-1-desnesn@redhat.com> References: <20230315192130.970021-1-desnesn@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Small update on dma_debug_entry's struct commentary and also standardize the usage of 'dma_addr' variable name from debug_dma_map_page() on debug_dma_unmap_page(), and similarly on debug_dma_free_coherent() Signed-off-by: Desnes Nunes --- kernel/dma/debug.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/kernel/dma/debug.c b/kernel/dma/debug.c index 18c93c2276ca..e0ad8db1ec25 100644 --- a/kernel/dma/debug.c +++ b/kernel/dma/debug.c @@ -52,7 +52,8 @@ enum map_err_types { /** * struct dma_debug_entry - track a dma_map* or dma_alloc_coherent mapping * @list: node on pre-allocated free_entries list - * @dev: 'dev' argument to dma_map_{page|single|sg} or dma_alloc_coherent + * @dev: pointer to the device driver + * @dev_addr: 'dev' argument to dma_map_{page|single|sg} or dma_alloc_coherent * @size: length of the mapping * @type: single, page, sg, coherent * @direction: enum dma_data_direction @@ -1262,13 +1263,13 @@ void debug_dma_mapping_error(struct device *dev, dma_addr_t dma_addr) } EXPORT_SYMBOL(debug_dma_mapping_error); -void debug_dma_unmap_page(struct device *dev, dma_addr_t addr, +void debug_dma_unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size, int direction) { struct dma_debug_entry ref = { .type = dma_debug_single, .dev = dev, - .dev_addr = addr, + .dev_addr = dma_addr, .size = size, .direction = direction, }; @@ -1403,13 +1404,13 @@ void debug_dma_alloc_coherent(struct device *dev, size_t size, } void debug_dma_free_coherent(struct device *dev, size_t size, - void *virt, dma_addr_t addr) + void *virt, dma_addr_t dma_addr) { struct dma_debug_entry ref = { .type = dma_debug_coherent, .dev = dev, .offset = offset_in_page(virt), - .dev_addr = addr, + .dev_addr = dma_addr, .size = size, .direction = DMA_BIDIRECTIONAL, };