From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Fenkart Subject: [PATCH v14 2/6] mmc: omap_hsmmc: Extend debugfs by SDIO IRQ handling, runtime state Date: Thu, 29 May 2014 10:28:01 +0200 Message-ID: <1401352085-22781-3-git-send-email-afenkart@gmail.com> References: <1401352085-22781-1-git-send-email-afenkart@gmail.com> Return-path: In-Reply-To: <1401352085-22781-1-git-send-email-afenkart@gmail.com> Sender: linux-doc-owner@vger.kernel.org To: Tony Lindgren Cc: Chris Ball , Grant Likely , Felipe Balbi , Balaji T K , Andreas Mueller , Sebastian Reichel , 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 129569d..332d3d2 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -56,6 +56,7 @@ #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 @@ -1815,13 +1816,23 @@ 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); - 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); + seq_printf(s, "sdio irq mode\t%s\n", + (mmc->caps & MMC_CAP_SDIO_IRQ) ? "interrupt" : "polling"); - pm_runtime_get_sync(host->dev); + if (mmc->caps & MMC_CAP_SDIO_IRQ) { + seq_printf(s, "sdio irq \t%s\n", + (host->flags & HSMMC_SDIO_IRQ_ENABLED) ? "enabled" + : "disabled"); + } + 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