From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Fenkart Subject: [PATCH v3 3/3] mmc: omap_hsmmc: Extend debugfs for SDIO IRQ, GPIO and pinmux. Date: Mon, 18 Nov 2013 08:54:00 +0100 Message-ID: <1384761240-11005-4-git-send-email-afenkart@gmail.com> References: <1384761240-11005-1-git-send-email-afenkart@gmail.com> Return-path: Received: from mail-ee0-f50.google.com ([74.125.83.50]:43461 "EHLO mail-ee0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751111Ab3KRH5B (ORCPT ); Mon, 18 Nov 2013 02:57:01 -0500 In-Reply-To: <1384761240-11005-1-git-send-email-afenkart@gmail.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Chris Ball Cc: Tony Lindgren , Grant Likely , Felipe Balbi , Balaji T K , zonque@gmail.com, linux-doc@vger.kernel.org, linux-mmc@vger.kernel.org, linux-omap@vger.kernel.org, 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 diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index b94ab08..d90b4a1 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 @@ -1796,6 +1797,20 @@ 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); + bool suspended; + + seq_puts(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"); + } if (host->suspended) { seq_printf(s, "host suspended, can't read registers\n"); @@ -1803,9 +1818,11 @@ 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