On Friday 23 May 2014 02:00 PM, Andreas Fenkart wrote:
Add SDIO IRQ entries to debugfs entry. Note that PSTATE shows current
state of data lines, incl. SDIO IRQ pending
Acked-by: Balaji T K <balajitk@xxxxxx>
Signed-off-by: Andreas Fenkart <afenkart@xxxxxxxxx>
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 0125eea..cfd2bfb 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
@@ -1816,10 +1817,23 @@ 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);
+#ifdef CONFIG_PM
+ bool suspended;
+#endif
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");
+ }
#ifdef CONFIG_PM
shouldn't this be CONFIG_PM_RUNTIME ?
+ suspended = host->dev->power.runtime_status != RPM_ACTIVE;
+ seq_printf(s, "runtime state\t%s\n", (suspended ? "idle" : "active"));
The whole check for runtime status (and check for CONFIG_PM..) can be removed,
since runtime status is available via sysfs
cat /sys/class/mmc_host/mmc<X>/device/power/runtime_status
seq_printf(s, "ctx_loss:\t%d\n", host->context_loss);
#endif
@@ -1827,6 +1841,8 @@ static int omap_hsmmc_regs_show(struct seq_file *s, void *data)
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",
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