From patchwork Wed Aug 2 09:43:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 13337948 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A2382C001DF for ; Wed, 2 Aug 2023 09:45:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :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=gkIzZINkIz47/n8RUoCA1eoliRYhY0XsT9uUim8cnyg=; b=zgKCF9DN5MnWsf 8eLAIpjTLwFxwMD50gl6h2aUEtiShU6Y/2K2lBBM1YV0so4hq35+d1LBNoS3k4U36TZCqy3n54/XM aDuFy4wXeAYRDHqkKeu9jCzcgFJq/aQ9XZsBvLcs6UnWCxC7eFyj14mbKVB8Xbk1xb2cE1Nmp9Mqx eKIDhCBUMJNiPC6HglrWMBY4G8ysJgRL9Xo3MXIFKf/8Qs66bLIicyuniEnhONwo9/HADIGf5Wl5R NDgexDmGcwbFAw3Ajfulng/74gbaWt5Js3DK7EakKQ2ZNQd39hRTP1IZboEt8lq4XCPJXGPzltOGG KWBMOMKEG6dhgoIDrD+g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qR8PM-004W4f-00; Wed, 02 Aug 2023 09:44:44 +0000 Received: from szxga08-in.huawei.com ([45.249.212.255]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qR8PJ-004W3h-0e for linux-arm-kernel@lists.infradead.org; Wed, 02 Aug 2023 09:44:42 +0000 Received: from kwepemi500008.china.huawei.com (unknown [172.30.72.53]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4RG6Vb3w52z1GDFG; Wed, 2 Aug 2023 17:43:35 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemi500008.china.huawei.com (7.221.188.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Wed, 2 Aug 2023 17:44:37 +0800 From: Ruan Jinjie To: , , , CC: Subject: [PATCH -next] spi: spi-zynq: Do not check for 0 return after calling platform_get_irq() Date: Wed, 2 Aug 2023 17:43:57 +0800 Message-ID: <20230802094357.981100-1-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemi500008.china.huawei.com (7.221.188.139) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230802_024441_418769_E5730463 X-CRM114-Status: GOOD ( 10.68 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org It is not possible for platform_get_irq() to return 0. Use the return value from platform_get_irq(). Signed-off-by: Ruan Jinjie --- drivers/spi/spi-zynq-qspi.c | 4 ++-- drivers/spi/spi-zynqmp-gqspi.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/spi/spi-zynq-qspi.c b/drivers/spi/spi-zynq-qspi.c index ee1995b91287..0db69a2a72ff 100644 --- a/drivers/spi/spi-zynq-qspi.c +++ b/drivers/spi/spi-zynq-qspi.c @@ -679,8 +679,8 @@ static int zynq_qspi_probe(struct platform_device *pdev) } xqspi->irq = platform_get_irq(pdev, 0); - if (xqspi->irq <= 0) { - ret = -ENXIO; + if (xqspi->irq < 0) { + ret = xqspi->irq; goto clk_dis_all; } ret = devm_request_irq(&pdev->dev, xqspi->irq, zynq_qspi_irq, diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c index ed23c15cf7d8..9a46b2478f4e 100644 --- a/drivers/spi/spi-zynqmp-gqspi.c +++ b/drivers/spi/spi-zynqmp-gqspi.c @@ -1293,8 +1293,8 @@ static int zynqmp_qspi_probe(struct platform_device *pdev) zynqmp_qspi_init_hw(xqspi); xqspi->irq = platform_get_irq(pdev, 0); - if (xqspi->irq <= 0) { - ret = -ENXIO; + if (xqspi->irq < 0) { + ret = xqspi->irq; goto clk_dis_all; } ret = devm_request_irq(&pdev->dev, xqspi->irq, zynqmp_qspi_irq,