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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 0B90BC2BB85 for ; Thu, 16 Apr 2020 14:55:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CC426206A2 for ; Thu, 16 Apr 2020 14:55:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587048953; bh=sRsf7xacDSWIjD5VxmR6mRyFX8pNfQp0G4me/WzHu8I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Ge96oG+BXIszo7VQTw0FHuPeuFIjnQ+wjBB6/iekAv9xRDEJHWhOyqFunXpfM4/U4 xfnWeIuzdAvcdpXbrr3gdfQJzapQ3xuc6I0IISSp73nC5L4bLKrZHUacqO+66Wouil sjrZzMkGfiLLOAXtFb28BfIMUXByMU9oekawuTmQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733154AbgDPOzw (ORCPT ); Thu, 16 Apr 2020 10:55:52 -0400 Received: from mail.kernel.org ([198.145.29.99]:43302 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2408929AbgDPN4Q (ORCPT ); Thu, 16 Apr 2020 09:56:16 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E597A217D8; Thu, 16 Apr 2020 13:56:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587045376; bh=sRsf7xacDSWIjD5VxmR6mRyFX8pNfQp0G4me/WzHu8I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=U8yZmHTGNUAkj6urCO1vMtMkN4zjKw31Ek9ogjWnicWXDdbQi2X6rLjXRMa3GqbY9 M62V7lUm9I+VRYdm7+mr19yqk1Fk++F0v+59eSJt80fzHvI/N1wCqMvok+he1X7soG JP6GxQSXjOET1sa/qDfeWug9yM5h0IgS73VCWNcU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ludovic Barre , Ulf Hansson Subject: [PATCH 5.6 110/254] mmc: mmci_sdmmc: Fix clear busyd0end irq flag Date: Thu, 16 Apr 2020 15:23:19 +0200 Message-Id: <20200416131339.930120460@linuxfoundation.org> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200416131325.804095985@linuxfoundation.org> References: <20200416131325.804095985@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Ludovic Barre commit d4a384cb563e555ce00255f5f496b503e6cc6358 upstream. The busyd0 line transition can be very fast. The busy request may be completed by busy_d0end, without waiting for the busy_d0 steps. Therefore, clear the busyd0end irq flag, even if no busy_status. Fixes: 0e68de6aa7b1 ("mmc: mmci: sdmmc: add busy_complete callback") Cc: stable@vger.kernel.org Signed-off-by: Ludovic Barre Link: https://lore.kernel.org/r/20200325143409.13005-2-ludovic.barre@st.com Signed-off-by: Ulf Hansson Signed-off-by: Greg Kroah-Hartman --- drivers/mmc/host/mmci_stm32_sdmmc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/mmc/host/mmci_stm32_sdmmc.c +++ b/drivers/mmc/host/mmci_stm32_sdmmc.c @@ -315,11 +315,11 @@ complete: if (host->busy_status) { writel_relaxed(mask & ~host->variant->busy_detect_mask, base + MMCIMASK0); - writel_relaxed(host->variant->busy_detect_mask, - base + MMCICLEAR); host->busy_status = 0; } + writel_relaxed(host->variant->busy_detect_mask, base + MMCICLEAR); + return true; }