From patchwork Sat Nov 2 20:26:16 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andreas Fenkart X-Patchwork-Id: 3131621 Return-Path: X-Original-To: patchwork-linux-mmc@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 7C7CCBEEB2 for ; Sat, 2 Nov 2013 20:28:47 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A6A0E2031C for ; Sat, 2 Nov 2013 20:28:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D4D802031A for ; Sat, 2 Nov 2013 20:28:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754399Ab3KBU2o (ORCPT ); Sat, 2 Nov 2013 16:28:44 -0400 Received: from mail-ea0-f174.google.com ([209.85.215.174]:58644 "EHLO mail-ea0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754328Ab3KBU2n (ORCPT ); Sat, 2 Nov 2013 16:28:43 -0400 Received: by mail-ea0-f174.google.com with SMTP id z15so2658787ead.5 for ; Sat, 02 Nov 2013 13:28:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=IlSX0xpwbmqdm+fzWcJQ9XDVThw0ypzjUQ2Bh7JEMeI=; b=vG5Iq1S6LPu9Nvc3vI/xfhPitiVGyKuvc4DJmnaK23Bl1DKu9QiUkCNWptGEBBGHrF GWvkiU/pPHIBgtcuUiEWOf4WQJIWD4B0r1srf3oVrQk56eLINK/K8yJJ44hw5zIrxZ8n ZHpUCFowsMry0KX7NLb9jVx0DiCxmI+Tp1onEJwBYXwzzm9bLO21THLVgr/URAMtahJp AKUa5D3p6qla5cok2TWo4yzZt6d2U7JY9xmKyT40ZCPR58w66TuTBuYZJFmjDMOjVA9e td2Jp6wvjnnPLhWLk0Yi3tkTL6Qns2XjFY/2FwKA0vCV4XSG0ut0JLDKnYcLv5geREpi Solg== X-Received: by 10.14.1.130 with SMTP id 2mr9068004eed.24.1383424122140; Sat, 02 Nov 2013 13:28:42 -0700 (PDT) Received: from localhost (ip-94-112-0-61.net.upcbroadband.cz. [94.112.0.61]) by mx.google.com with ESMTPSA id x4sm11007256eef.1.2013.11.02.13.28.39 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Sat, 02 Nov 2013 13:28:41 -0700 (PDT) From: Andreas Fenkart To: Chris Ball Cc: Tony Lindgren , Grant Likely , Felipe Balbi , Balaji T K , zonque@gmail.com, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-mmc@vger.kernel.org, linux-omap@vger.kernel.org, Andreas Fenkart , Andreas Fenkart Subject: [PATCH 3/3] mmc: omap_hsmmc: Extend debugfs for SDIO IRQ, GPIO and pinmux. Date: Sat, 2 Nov 2013 21:26:16 +0100 Message-Id: <1383423976-24798-3-git-send-email-afenkart@gmail.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1383423976-24798-1-git-send-email-afenkart@gmail.com> References: <1383423976-24798-1-git-send-email-afenkart@gmail.com> Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Spam-Status: No, score=-7.3 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, 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: Andreas Fenkart Add SDIO IRQ entries to debugfs entry. Note that PSTATE shows current state of data lines, incl. SDIO IRQ pending Signed-off-by: Andreas Fenkart --- drivers/mmc/host/omap_hsmmc.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index e880b44..19c0aa5 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -81,6 +81,7 @@ static void apply_clk_hack(struct device *dev) #define OMAP_HSMMC_RSP54 0x0118 #define OMAP_HSMMC_RSP76 0x011C #define OMAP_HSMMC_DATA 0x0120 +#define OMAP_HSMMC_PSTATE 0x0124 #define OMAP_HSMMC_HCTL 0x0128 #define OMAP_HSMMC_SYSCTL 0x012C #define OMAP_HSMMC_STAT 0x0130 @@ -1800,6 +1801,23 @@ static int omap_hsmmc_regs_show(struct seq_file *s, void *data) { struct mmc_host *mmc = s->private; struct omap_hsmmc_host *host = mmc_priv(mmc); + unsigned long flags; + bool suspended; + + spin_lock_irqsave(&host->irq_lock, flags); + seq_printf(s, "\n"); + seq_printf(s, "sdio irq\t%s\n", ((host->flags & HSMMC_SDIO_IRQ_ENABLED) + ? "enabled" : "disabled")); + suspended = host->dev->power.runtime_status != RPM_ACTIVE; + if (host->flags & HSMMC_SWAKEUP_QUIRK) { + seq_printf(s, "pinmux config\t%s\n", (suspended ? + "gpio" : "sdio")); + if (suspended) + seq_printf(s, "sdio irq pin\t%s\n", + gpio_get_value(mmc_slot(host).gpio_cirq) ? + "high" : "low"); + } + spin_unlock_irqrestore(&host->irq_lock, flags); if (host->suspended) { seq_printf(s, "host suspended, can't read registers\n"); @@ -1807,9 +1825,11 @@ static int omap_hsmmc_regs_show(struct seq_file *s, void *data) } pm_runtime_get_sync(host->dev); - + seq_printf(s, "\nregs:\n"); seq_printf(s, "CON:\t\t0x%08x\n", OMAP_HSMMC_READ(host->base, CON)); + seq_printf(s, "PSTATE:\t\t0x%08x\n", + OMAP_HSMMC_READ(host->base, PSTATE)); seq_printf(s, "HCTL:\t\t0x%08x\n", OMAP_HSMMC_READ(host->base, HCTL)); seq_printf(s, "SYSCTL:\t\t0x%08x\n",