From patchwork Tue Sep 10 12:43:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 827320 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C2E39191466; Tue, 10 Sep 2024 12:34:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.188 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725971661; cv=none; b=al0ZJL+MddDKGjdF/OKcfcKw79hZL3R57q6MHuQnL5t/gCAAjJcdNOEJT1xg10X1t3MzITPB4UxAnmGH2Vj/+D6tSvjXQCSXzo9pVlDmFCuS1pgqXRKpMFTquypWd1AleqJca1mTxqytE77EL2uPCYDuTvLNk+6MxrbS4odWYAw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725971661; c=relaxed/simple; bh=Hicim2PjBxHs6NGlSn2TxDuRxPKJVveWprA70zcV8q8=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=sT624tEp/MS9rsucm/xSfB1ZiyBgyBiyvA6Up4YC2gpryVjMJP2AYaI1SKscORptMnZ5CmbBNtcOrLGw69Er0yG5BaRJ9p4j7fAIdjDoKBITLl1MIioKtu9iKQa1d3WHpOu1EG5rhTND0dSViofYQH6dnBFOY9mxMJ73iARlUAM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.188 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.163.174]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4X334G6726zpVVP; Tue, 10 Sep 2024 20:32:14 +0800 (CST) Received: from kwepemh500013.china.huawei.com (unknown [7.202.181.146]) by mail.maildlp.com (Postfix) with ESMTPS id B0390140158; Tue, 10 Sep 2024 20:34:16 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemh500013.china.huawei.com (7.202.181.146) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Tue, 10 Sep 2024 20:34:16 +0800 From: Jinjie Ruan To: , , , , , , , , , CC: Subject: [PATCH wireless v2 1/3] wifi: p54: Use IRQF_NO_AUTOEN flag in request_irq() Date: Tue, 10 Sep 2024 20:43:12 +0800 Message-ID: <20240910124314.698896-2-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240910124314.698896-1-ruanjinjie@huawei.com> References: <20240910124314.698896-1-ruanjinjie@huawei.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemh500013.china.huawei.com (7.202.181.146) disable_irq() after request_irq() still has a time gap in which interrupts can come. request_irq() with IRQF_NO_AUTOEN flag will disable IRQ auto-enable when request IRQ. Fixes: cd8d3d321285 ("p54spi: p54spi driver") Signed-off-by: Jinjie Ruan --- v2: - Add fix tag. - Wireless patches go to wireless-next, submit them in a separate patchset. --- drivers/net/wireless/intersil/p54/p54spi.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/wireless/intersil/p54/p54spi.c b/drivers/net/wireless/intersil/p54/p54spi.c index d33a994906a7..27f44a9f0bc1 100644 --- a/drivers/net/wireless/intersil/p54/p54spi.c +++ b/drivers/net/wireless/intersil/p54/p54spi.c @@ -624,7 +624,7 @@ static int p54spi_probe(struct spi_device *spi) gpio_direction_input(p54spi_gpio_irq); ret = request_irq(gpio_to_irq(p54spi_gpio_irq), - p54spi_interrupt, 0, "p54spi", + p54spi_interrupt, IRQF_NO_AUTOEN, "p54spi", priv->spi); if (ret < 0) { dev_err(&priv->spi->dev, "request_irq() failed"); @@ -633,8 +633,6 @@ static int p54spi_probe(struct spi_device *spi) irq_set_irq_type(gpio_to_irq(p54spi_gpio_irq), IRQ_TYPE_EDGE_RISING); - disable_irq(gpio_to_irq(p54spi_gpio_irq)); - INIT_WORK(&priv->work, p54spi_work); init_completion(&priv->fw_comp); INIT_LIST_HEAD(&priv->tx_pending);