From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Fenkart Subject: [PATCH v6 3/3] mmc: omap_hsmmc: Extend debugfs for SDIO IRQ, GPIO and pinmux. Date: Mon, 16 Dec 2013 12:24:51 +0100 Message-ID: <1387193091-23218-4-git-send-email-afenkart@gmail.com> References: <1387193091-23218-1-git-send-email-afenkart@gmail.com> Return-path: In-Reply-To: <1387193091-23218-1-git-send-email-afenkart@gmail.com> Sender: linux-mmc-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-omap@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 --- drivers/mmc/host/omap_hsmmc.c | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index bb01d86..1037b7d 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 @@ -1789,14 +1790,24 @@ 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_printf(s, "mmc%d:\n ctx_loss:\t%d\n\nregs:\n", - mmc->index, host->context_loss); - pm_runtime_get_sync(host->dev); + seq_printf(s, "mmc%d:\n", mmc->index); + 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")); + 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