From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AD49CC388F2 for ; Tue, 3 Nov 2020 03:48:46 +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 957B121556 for ; Tue, 3 Nov 2020 03:48:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Y+RpwrNe" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 957B121556 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=hisilicon.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+linux-amlogic=archiver.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:List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe :List-Id:MIME-Version:Message-ID:Date:Subject:To:From:Reply-To:Cc:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Owner; bh=z551YG1jhMacOmVno2qhJaLi8AjRhwt6ECFSV64TIFU=; b=Y+RpwrNeACwlCK2jHPHAUWQW5h PKfSHJYkKA6d1rH013+djT+YiDjHocKrcgAF2BBixLsdL4/aIWFa+2TvcPs7Ofrw3poC+Ba+kMOcJ hDU6Iw54+CBHfzoz4NTuc2InBiFemGXAQyqMWn7B5PTe6nfnJjgrUS8OfiRY72uKHAX/W8n4tO/By p2Hk7mIW+L4qjGW2V4NPBVDMv7wjxooDzDafZBYcK0Qh7/66MQl3PEuNBrSPE0/Hr3SLmRCNyIobF d17OGJrg4FzbWsnICm86c+HOEdl0dmriX/i8Q9hZjeRIYVzcMR66tM+0lJ6RTgujHy0IaNrZZncuC 4R8c99JQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kZnJD-0000LL-SN; Tue, 03 Nov 2020 03:48:35 +0000 Received: from szxga05-in.huawei.com ([45.249.212.191]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kZnJ9-0000FG-8p; Tue, 03 Nov 2020 03:48:33 +0000 Received: from DGGEMS407-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4CQG2v6hGCzhfcD; Tue, 3 Nov 2020 11:48:07 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by DGGEMS407-HUB.china.huawei.com (10.3.19.207) with Microsoft SMTP Server id 14.3.487.0; Tue, 3 Nov 2020 11:48:08 +0800 From: Tian Tao To: , , , , , , , , Subject: [PATCH] mmc: meson-mx-sdio: replace spin_lock_irqsave by spin_lock in hard IRQ Date: Tue, 3 Nov 2020 11:48:43 +0800 Message-ID: <1604375323-33556-1-git-send-email-tiantao6@hisilicon.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201102_224832_611109_6189862A X-CRM114-Status: UNSURE ( 8.86 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org The code has been in a irq-disabled context since it is hard IRQ. There is no necessity to do it again. Signed-off-by: Tian Tao --- drivers/mmc/host/meson-mx-sdio.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/mmc/host/meson-mx-sdio.c b/drivers/mmc/host/meson-mx-sdio.c index 1c5299c..d4a4891 100644 --- a/drivers/mmc/host/meson-mx-sdio.c +++ b/drivers/mmc/host/meson-mx-sdio.c @@ -418,10 +418,9 @@ static irqreturn_t meson_mx_mmc_irq(int irq, void *data) { struct meson_mx_mmc_host *host = (void *) data; u32 irqs, send; - unsigned long irqflags; irqreturn_t ret; - spin_lock_irqsave(&host->irq_lock, irqflags); + spin_lock(&host->irq_lock); irqs = readl(host->base + MESON_MX_SDIO_IRQS); send = readl(host->base + MESON_MX_SDIO_SEND); @@ -434,7 +433,7 @@ static irqreturn_t meson_mx_mmc_irq(int irq, void *data) /* finally ACK all pending interrupts */ writel(irqs, host->base + MESON_MX_SDIO_IRQS); - spin_unlock_irqrestore(&host->irq_lock, irqflags); + spin_unlock(&host->irq_lock); return ret; } -- 2.7.4 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic