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Miller" , Eric Dumazet , Gerald Schaefer , Vasily Gorbik , Heiko Carstens , "H. Peter Anvin" , Justin Stitt , Jakub Kicinski , Leon Romanovsky , linux-rdma@vger.kernel.org, linux-s390@vger.kernel.org, llvm@lists.linux.dev, Ingo Molnar , Bill Wendling , Nathan Chancellor , Nick Desaulniers , netdev@vger.kernel.org, Paolo Abeni , Salil Mehta , Jijie Shao , Sven Schnelle , Thomas Gleixner , x86@kernel.org, Yisen Zhuang Cc: Arnd Bergmann , Catalin Marinas , Leon Romanovsky , linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Mark Rutland , Michael Guralnik , patches@lists.linux.dev, Niklas Schnelle , Will Deacon Subject: [PATCH 5/6] net: hns3: Remove io_stop_wc() calls after __iowrite64_copy() Date: Tue, 20 Feb 2024 21:17:09 -0400 Message-ID: <5-v1-38290193eace+5-mlx5_arm_wc_jgg@nvidia.com> In-Reply-To: <0-v1-38290193eace+5-mlx5_arm_wc_jgg@nvidia.com> References: X-ClientProxiedBy: BL1P223CA0001.NAMP223.PROD.OUTLOOK.COM (2603:10b6:208:2c4::6) To LV2PR12MB5869.namprd12.prod.outlook.com (2603:10b6:408:176::16) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV2PR12MB5869:EE_|MN0PR12MB5714:EE_ X-MS-Office365-Filtering-Correlation-Id: dff2ebf8-f514-48e1-b9df-08dc327ad476 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:LV2PR12MB5869.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(921011);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: dff2ebf8-f514-48e1-b9df-08dc327ad476 X-MS-Exchange-CrossTenant-AuthSource: LV2PR12MB5869.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Feb 2024 01:17:11.3342 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: v5LgyTOVv825kQghPkcnCtymbkdgi2WgvQTEqFJhv6pL8ulD/iTEOXT9wFWQB7k0 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB5714 X-Patchwork-Delegate: kuba@kernel.org Now that the ARM64 arch implementation does the DGH as part of __iowrite64_copy() there is no reason to open code this in drivers. Signed-off-by: Jason Gunthorpe Reviewed-by: Jijie Shao --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index f1695c889d3a07..ff556c2b5bacb4 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -2068,8 +2068,6 @@ static void hns3_tx_push_bd(struct hns3_enet_ring *ring, int num) __iowrite64_copy(ring->tqp->mem_base, desc, (sizeof(struct hns3_desc) * HNS3_MAX_PUSH_BD_NUM) / HNS3_BYTES_PER_64BIT); - - io_stop_wc(); } static void hns3_tx_mem_doorbell(struct hns3_enet_ring *ring) @@ -2088,8 +2086,6 @@ static void hns3_tx_mem_doorbell(struct hns3_enet_ring *ring) u64_stats_update_begin(&ring->syncp); ring->stats.tx_mem_doorbell += ring->pending_buf; u64_stats_update_end(&ring->syncp); - - io_stop_wc(); } static void hns3_tx_doorbell(struct hns3_enet_ring *ring, int num,