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[2620:137:e000::1:20]) by mx.google.com with ESMTP id x68-20020a623147000000b0056cee674092si371031pfx.236.2022.11.17.01.11.16; Thu, 17 Nov 2022 01:11:29 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=zte.com.cn Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239746AbiKQJKi (ORCPT + 99 others); Thu, 17 Nov 2022 04:10:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38078 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239726AbiKQJKg (ORCPT ); Thu, 17 Nov 2022 04:10:36 -0500 Received: from mxhk.zte.com.cn (mxhk.zte.com.cn [63.216.63.35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8A7F15ADC4; Thu, 17 Nov 2022 01:10:34 -0800 (PST) Received: from mxct.zte.com.cn (unknown [192.168.251.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mxhk.zte.com.cn (FangMail) with ESMTPS id 4NCYzY192gz4xVnZ; Thu, 17 Nov 2022 17:10:33 +0800 (CST) Received: from mse-fl2.zte.com.cn (unknown [10.5.228.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mxct.zte.com.cn (FangMail) with ESMTPS id 4NCYzW127rz4y0vK; Thu, 17 Nov 2022 17:10:31 +0800 (CST) Received: from xaxapp01.zte.com.cn ([10.88.40.50]) by mse-fl2.zte.com.cn with SMTP id 2AH9AC7j037132; Thu, 17 Nov 2022 17:10:13 +0800 (+08) (envelope-from ye.xingchen@zte.com.cn) Received: from mapi (xaxapp01[null]) by mapi (Zmail) with MAPI id mid31; Thu, 17 Nov 2022 17:10:15 +0800 (CST) Date: Thu, 17 Nov 2022 17:10:15 +0800 (CST) X-Zmail-TransId: 2af96375fa77ffffffffcae92ea1 X-Mailer: Zmail v1.0 Message-ID: <202211171710153200734@zte.com.cn> Mime-Version: 1.0 From: To: Cc: , , Subject: =?utf-8?q?=5BPATCH_linux-next=5D_hwrng=3A_n2-drv_-_Use_device=5Fget?= =?utf-8?q?=5Fmatch=5Fdata=28=29_to_simplify_the?= =?utf-8?q?_?= =?utf-8?q?_code?= X-MAIL: mse-fl2.zte.com.cn 2AH9AC7j037132 X-Fangmail-Gw-Spam-Type: 0 X-FangMail-Miltered: at cgslv5.04-192.168.250.138.novalocal with ID 6375FA89.001 by FangMail milter! X-FangMail-Envelope: 1668676233/4NCYzY192gz4xVnZ/6375FA89.001/192.168.251.13/[192.168.251.13]/mxct.zte.com.cn/ X-Fangmail-Anti-Spam-Filtered: true X-Fangmail-MID-QID: 6375FA89.001/4NCYzY192gz4xVnZ X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1749733908716526597?= X-GMAIL-MSGID: =?utf-8?q?1749733908716526597?= From: ye xingchen Directly get the match data with device_get_match_data(). Signed-off-by: ye xingchen --- drivers/char/hw_random/n2-drv.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/char/hw_random/n2-drv.c b/drivers/char/hw_random/n2-drv.c index 73e408146420..2f784addb717 100644 --- a/drivers/char/hw_random/n2-drv.c +++ b/drivers/char/hw_random/n2-drv.c @@ -695,20 +695,15 @@ static void n2rng_driver_version(void) static const struct of_device_id n2rng_match[]; static int n2rng_probe(struct platform_device *op) { - const struct of_device_id *match; int err = -ENOMEM; struct n2rng *np; - match = of_match_device(n2rng_match, &op->dev); - if (!match) - return -EINVAL; - n2rng_driver_version(); np = devm_kzalloc(&op->dev, sizeof(*np), GFP_KERNEL); if (!np) goto out; np->op = op; - np->data = (struct n2rng_template *)match->data; + np->data = (struct n2rng_template *) device_get_match_data(&op->dev); INIT_DELAYED_WORK(&np->work, n2rng_work);