From patchwork Tue Jul 22 05:34:24 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuninori Morimoto X-Patchwork-Id: 4599651 Return-Path: X-Original-To: patchwork-linux-sh@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 49052C0514 for ; Tue, 22 Jul 2014 05:34:28 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 81EAE20123 for ; Tue, 22 Jul 2014 05:34:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BBA9A20120 for ; Tue, 22 Jul 2014 05:34:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751442AbaGVFe0 (ORCPT ); Tue, 22 Jul 2014 01:34:26 -0400 Received: from mail-pd0-f175.google.com ([209.85.192.175]:59327 "EHLO mail-pd0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750795AbaGVFeZ (ORCPT ); Tue, 22 Jul 2014 01:34:25 -0400 Received: by mail-pd0-f175.google.com with SMTP id r10so9084401pdi.34 for ; Mon, 21 Jul 2014 22:34:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:sender:message-id:to:cc:in-reply-to:references:from:subject :user-agent:mime-version:content-type; bh=iaQ9NjxmnY43fGlwi5oIbgAmiiRi29sORzoNAN8HNKw=; b=aCJuuIG4qEmuYQ9EN2nVEdhqT/UAzs+q8cia4aq+8NSP8dQa9JYes1D7g4GHgEIKyM rWuTMcKGLJznBWhcNu7td+eNhHUYH5+IrLf6opYW2zSSBwwif9RtVpynxdetOvKXvbb9 LvWpqZxSVLD+c+fk+6mrEc23mbEAC+ZkupHh8qxpeVrw4gd83w1FNBF3N/IhhUBNdYcH LbXaBfsDmmvgzcMV/NXiIRKke1MiPxdlrVRGZJX8SZ9/vdtb9kqBiwayntZQhnzRF5th C4q50qNQwK8o9hZJr9BtMNMmSXmuRbWgSlKlq/C2cmc+bSf9IulbhyzWSwNo5MgQCiMW HIzQ== X-Received: by 10.68.251.201 with SMTP id zm9mr19846598pbc.22.1406007265405; Mon, 21 Jul 2014 22:34:25 -0700 (PDT) Received: from remon.gmail.com (49.14.32.202.bf.2iij.net. [202.32.14.49]) by mx.google.com with ESMTPSA id ec10sm65418543pad.33.2014.07.21.22.34.23 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Mon, 21 Jul 2014 22:34:24 -0700 (PDT) Date: Mon, 21 Jul 2014 22:34:24 -0700 (PDT) Message-ID: <878unmhs81.wl%kuninori.morimoto.gx@renesas.com> To: Simon , Ian Molton , Chris Ball Cc: TOSHIAKI KOMATSU , NAOYA SHIIBA , Magnus , Linux-SH , (Renesas) goda , linux-mmc@vger.kernel.org, ryo.kataoka.wt@renesas.com, shinobu.uehara.xc@renesas.com, kouei.abe.cp@renesas.com In-Reply-To: <87egxehsec.wl%kuninori.morimoto.gx@gmail.com> References: <87simtenpi.wl%kuninori.morimoto.gx@renesas.com> <87pphxe2q0.wl%kuninori.morimoto.gx@renesas.com> <53AD638C.5060907@renesas.com> <87egxehsec.wl%kuninori.morimoto.gx@gmail.com> From: Kuninori Morimoto Subject: [PATCH 04/10] mmc: tmio: clear error IRQ status User-Agent: Wanderlust/2.14.0 Emacs/23.3 Mule/6.0 MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Shinobu Uehara Next card access will be always error if it didn't clear error status Signed-off-by: Shinobu Uehara --- drivers/mmc/host/tmio_mmc_pio.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c index faf0924..c3b1b4e 100644 --- a/drivers/mmc/host/tmio_mmc_pio.c +++ b/drivers/mmc/host/tmio_mmc_pio.c @@ -557,6 +557,9 @@ static void tmio_mmc_card_irq_status(struct tmio_mmc_host *host, pr_debug_status(*status); pr_debug_status(*ireg); + + /* Clear the status except the interrupt status */ + sd_ctrl_write32(host, CTL_STATUS, TMIO_MASK_IRQ); } static bool __tmio_mmc_card_detect_irq(struct tmio_mmc_host *host,