From patchwork Mon Sep 9 13:30:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 13797025 X-Patchwork-Delegate: kvalo@adurom.com 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 47D321BA87C; Mon, 9 Sep 2024 13:21:45 +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=1725888107; cv=none; b=tq945BcLKp/C7VyjvLWRWNUNto03PeEb37UMLxKOKZOZnAHt1I5GoHbn6IjrH4GE/6uFbp/CqTzxndtv2MCkVSQzU5/UhU8h40Vh103lkhtotDiDLhfKFBxyV0sKkQJ2tucTRXTfWPoHbbVwnpKqS2pKXcmU2c6v/YxcxTq6AMQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725888107; c=relaxed/simple; bh=jze/WDkvjOSczCrEalYRiDBCA1pjpN8d8RLq5RpAp5s=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=pIEFsrJZUHMsKTtfEWNRaoBpAF2AXyyIa6omgFNFOyln+1N6/EfRlleV/0vzWD5MMYfEAPrYOOSTIJ8dj8gPj50ilM/zRdk7UaxjqmN2wb2zfWNaTArx8G/HC6kmNBl4VkqxlWQMGr29w8wfaVPakkJQIktLAAw5qzrUseHL+W0= 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 [172.19.163.252]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4X2S9V1nn4zpVbQ; Mon, 9 Sep 2024 21:19:42 +0800 (CST) Received: from kwepemh500013.china.huawei.com (unknown [7.202.181.146]) by mail.maildlp.com (Postfix) with ESMTPS id 9A6BD180AE7; Mon, 9 Sep 2024 21:21:42 +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; Mon, 9 Sep 2024 21:21:41 +0800 From: Jinjie Ruan To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH 5/7] wifi: p54: Use IRQF_NO_AUTOEN flag in request_irq() Date: Mon, 9 Sep 2024 21:30:32 +0800 Message-ID: <20240909133034.1296930-6-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240909133034.1296930-1-ruanjinjie@huawei.com> References: <20240909133034.1296930-1-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: dggems701-chm.china.huawei.com (10.3.19.178) 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: Signed-off-by: Jinjie Ruan --- 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);