From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Fenkart Subject: [PATCH v7 4/4] mmc: omap_hsmmc: Extend debugfs for SDIO IRQ, GPIO and pinmux. Date: Tue, 25 Feb 2014 13:49:38 +0100 Message-ID: <1393332578-28599-1-git-send-email-afenkart@gmail.com> References: <1393331866-28307-4-git-send-email-afenkart@gmail.com> Return-path: In-Reply-To: <1393331866-28307-4-git-send-email-afenkart@gmail.com> Sender: linux-omap-owner@vger.kernel.org To: Chris Ball Cc: Tony Lindgren , Grant Likely , Felipe Balbi , Balaji T K , zonque@gmail.com, galak@codeaurora.org, linux-doc@vger.kernel.org, linux-mmc@vger.kernel.org, linux-omap@vger.kernel.org, Andreas Fenkart List-Id: linux-mmc@vger.kernel.org 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 452c05a..cf03481 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -82,6 +82,7 @@ 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 @@ -1792,14 +1793,30 @@ 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); + const char* cirq_state; + bool suspended; - seq_printf(s, "mmc%d:\n ctx_loss:\t%d\n\nregs:\n", - mmc->index, host->context_loss); + seq_printf(s, "mmc%d:\n", mmc->index); + if (mmc->caps & MMC_CAP_SDIO_IRQ) + cirq_state = (host->flags & HSMMC_SDIO_IRQ_ENABLED) ? + "enabled" : "disabled"; + else + cirq_state = "polling"; + seq_printf(s, "sdio irq\t%s\n", cirq_state); - pm_runtime_get_sync(host->dev); + if (host->flags & HSMMC_SWAKEUP_QUIRK) { + suspended = host->dev->power.runtime_status != RPM_ACTIVE; + seq_printf(s, "pinmux config\t%s\n", (suspended ? + "gpio" : "sdio")); + } + seq_printf(s, "ctx_loss:\t%d\n", host->context_loss); + 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