mmc: omap_hsmmc: Extend debugfs by SDIO IRQ handling, runtime state
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 <afenkart@gmail.com>
Acked-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 9446010..ad3a2ac 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 @@
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");
+
+ 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",