Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752687Ab3JELUB (ORCPT ); Sat, 5 Oct 2013 07:20:01 -0400 Received: from mail-ee0-f49.google.com ([74.125.83.49]:64431 "EHLO mail-ee0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752371Ab3JELT6 (ORCPT ); Sat, 5 Oct 2013 07:19:58 -0400 From: Andreas Fenkart To: Chris Ball Cc: Tony Lindgren , Grant Likely , Felipe Balbi , Venkatraman S , Balaji T K , zonque@gmail.com, devicetree-discuss@lists.ozlabs.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mmc@vger.kernel.org, linux-omap@vger.kernel.org, Andreas Fenkart Subject: [PATCH v3 4/4] mmc: omap_hsmmc: debugfs entries for SDIO IRQ detection and GPIO remuxing. Date: Sat, 5 Oct 2013 13:17:10 +0200 Message-Id: <1380971830-21492-5-git-send-email-afenkart@gmail.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1380971830-21492-1-git-send-email-afenkart@gmail.com> References: <1380971830-21492-1-git-send-email-afenkart@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2203 Lines: 62 Update the debugfs related code for the SDIO IRQ support. Note that PSTATE shows current state of data lines, incl. SDIO IRQ pending Signed-off-by: Andreas Fenkart diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index a8894ee..f7fe06f 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 @@ -1812,6 +1813,22 @@ 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; + + spin_lock_irqsave(&host->irq_lock, flags); + seq_puts(s, "\n"); + seq_printf(s, "sdio irq\t%s\n", ((host->flags & HSMMC_SDIO_IRQ_ENABLED) + ? "enabled" : "disabled")); + if (host->flags & HSMMC_SWAKEUP_QUIRK) { + seq_printf(s, "pinmux config\t%s\n", ((host->flags & + HSMMC_RUNTIME_SUSPENDED) + ? "gpio" : "sdio")); + if (host->flags & HSMMC_RUNTIME_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"); @@ -1819,9 +1836,11 @@ static int omap_hsmmc_regs_show(struct seq_file *s, void *data) } pm_runtime_get_sync(host->dev); - + seq_puts(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", -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/