From patchwork Tue Aug 4 13:56:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wang Hai X-Patchwork-Id: 11700439 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2205F722 for ; Tue, 4 Aug 2020 13:59:15 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0D1A92086A for ; Tue, 4 Aug 2020 13:59:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="FCPa9rn5" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0D1A92086A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=y1KVIJr/sc40olJeOHNDiQy4lCrhsfT2t0b9QVX7CRg=; b=FCPa9rn5aQIKa9WuGdkVZL57vR OujXMbLn4VWK5jAgVf3plT3ldLqyAWKmmZajAlcAcmqS455WoXiRq8dxn1jl5gn36gmC7kqlCALFV pcTAK5iU2P7Xf0jnXol3COxVvXNo5CoH4lx8qqQPnUGNMTD3r16xTQyzEOGgJlvLfXhfw0ahUnNjz rxPDzzzT0yQ3Y6jooWLcTiLVNStfwUHL29um2OwcioR2UxvgbLLxRihq3FuYgaXO5/q+hd9gEvmdX hhfC//zGt15J8UngvIwaNGjbg86INYcR1yFKxLd2FfAkw6HWHYqFe/57LvittEAAQ3oST0eVxnQyy 48ydcD1A==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k2xT2-0000oP-0t; Tue, 04 Aug 2020 13:59:00 +0000 Received: from szxga05-in.huawei.com ([45.249.212.191] helo=huawei.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1k2xSw-0000mU-8C for linux-arm-kernel@lists.infradead.org; Tue, 04 Aug 2020 13:58:57 +0000 Received: from DGGEMS407-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 8C271A78127EB8E234D3; Tue, 4 Aug 2020 21:58:36 +0800 (CST) Received: from huawei.com (10.175.113.133) by DGGEMS407-HUB.china.huawei.com (10.3.19.207) with Microsoft SMTP Server id 14.3.487.0; Tue, 4 Aug 2020 21:58:31 +0800 From: Wang Hai To: , Subject: [PATCH -next] soc: fsl: qe: Remove unnessesary check in ucc_set_tdm_rxtx_clk Date: Tue, 4 Aug 2020 21:56:44 +0800 Message-ID: <20200804135644.58878-1-wanghai38@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.175.113.133] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200804_095856_520415_CC6F5435 X-CRM114-Status: UNSURE ( 9.68 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [45.249.212.191 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H4 RBL: Very Good reputation (+4) [45.249.212.191 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Fix smatch warning: drivers/soc/fsl/qe/ucc.c:526 ucc_set_tdm_rxtx_clk() warn: unsigned 'tdm_num' is never less than zero. 'tdm_num' is u32 type, never less than zero. Signed-off-by: Wang Hai --- drivers/soc/fsl/qe/ucc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soc/fsl/qe/ucc.c b/drivers/soc/fsl/qe/ucc.c index cac0fb7693a0..21dbcd787cd5 100644 --- a/drivers/soc/fsl/qe/ucc.c +++ b/drivers/soc/fsl/qe/ucc.c @@ -523,7 +523,7 @@ int ucc_set_tdm_rxtx_clk(u32 tdm_num, enum qe_clock clock, qe_mux_reg = &qe_immr->qmx; - if (tdm_num > 7 || tdm_num < 0) + if (tdm_num > 7) return -EINVAL; /* The communications direction must be RX or TX */