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Miller" , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH -next 1/4] crypto: starfive - Skip dma setup for zeroed message Date: Mon, 29 Apr 2024 14:06:37 +0800 Message-Id: <20240429060640.2451685-2-jiajie.ho@starfivetech.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240429060640.2451685-1-jiajie.ho@starfivetech.com> References: <20240429060640.2451685-1-jiajie.ho@starfivetech.com> X-ClientProxiedBy: ZQ0PR01CA0034.CHNPR01.prod.partner.outlook.cn (2406:e500:c550:2::12) To NT0PR01MB1182.CHNPR01.prod.partner.outlook.cn (2406:e500:c510:10::10) Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: NT0PR01MB1182:EE_|NT0PR01MB1278:EE_ X-MS-Office365-Filtering-Correlation-Id: 29a4a6d1-0827-442e-8252-08dc6812b648 X-MS-Exchange-SenderADCheck: 1 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:NT0PR01MB1182.CHNPR01.prod.partner.outlook.cn; PTR:; CAT:NONE; SFS:(13230031)(41320700004)(1800799015)(52116005)(366007)(38350700005); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: starfivetech.com X-MS-Exchange-CrossTenant-Network-Message-Id: 29a4a6d1-0827-442e-8252-08dc6812b648 X-MS-Exchange-CrossTenant-AuthSource: NT0PR01MB1182.CHNPR01.prod.partner.outlook.cn X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Apr 2024 06:07:55.8606 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 06fe3fa3-1221-43d3-861b-5a4ee687a85c X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: oFF9zcZoGZ+HelztF7Dk2GgE80VoJcuJn+9/aAdDcMHm3wRYLNGvObei3nbDj/aVFTfp0V0xIZhvNv+ziOwDAQGX/BKd2FbzzqIjJ6KSgfs= X-MS-Exchange-Transport-CrossTenantHeadersStamped: NT0PR01MB1278 Skip dma setup and mapping for AES driver if plaintext is empty. Signed-off-by: Jia Jie Ho --- drivers/crypto/starfive/jh7110-aes.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/crypto/starfive/jh7110-aes.c b/drivers/crypto/starfive/jh7110-aes.c index 72b7d46150d5..9d6e2f936f03 100644 --- a/drivers/crypto/starfive/jh7110-aes.c +++ b/drivers/crypto/starfive/jh7110-aes.c @@ -590,12 +590,16 @@ static int starfive_aes_do_one_req(struct crypto_engine *engine, void *areq) if (ret) return ret; + if (!cryp->total_in) + goto finish_req; + starfive_aes_dma_init(cryp); ret = starfive_aes_map_sg(cryp, rctx->in_sg, rctx->out_sg); if (ret) return ret; +finish_req: starfive_aes_finish_req(ctx); return 0;