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 <afenk...@gmail.com>
---
 drivers/mmc/host/omap_hsmmc.c |   14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 2c14171..5fe3f24 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 +1790,25 @@ 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_puts(s, "\n");
+       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, "mmc%d:\n ctx_loss:\t%d\n\nregs:\n",
                        mmc->index, 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

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