Signed-off-by: Andreas Fenkart <andreas.fenkart@xxxxxxxxxxxxxxxxxxx>
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index c52a0d1..0f9eb54 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -212,6 +212,7 @@ struct omap_hsmmc_host {
struct pinctrl *pinctrl;
struct pinctrl_state *active, *idle;
bool active_pinmux;
+ int pm_suspend_ct;
struct omap_mmc_platform_data *pdata;
};
@@ -1763,12 +1764,29 @@ 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);
int context_loss = 0;
+ unsigned long flags;
if (host->pdata->get_context_loss_count)
context_loss = host->pdata->get_context_loss_count(host->dev);
- seq_printf(s, "mmc%d:\n ctx_loss:\t%d:%d\n\nregs:\n",
- mmc->index, host->context_loss, context_loss);
+ seq_printf(s, "mmc%d:\n ctx_loss:\t%d:%d\n",
+ mmc->index, host->context_loss, context_loss);
+
+ if (mmc_slot(host).sdio_irq) {
+ spin_lock_irqsave(&host->irq_lock, flags);
+ seq_printf(s, "\n");
+ seq_printf(s, "pinmux config\t%s\n", host->active_pinmux ?
+ "sdio" : "gpio");
+ seq_printf(s, "sdio irq\t%s\n", host->sdio_irq_en ? "enabled" :
+ "disabled");
+ if (!host->active_pinmux) {
+ seq_printf(s, "sdio irq pin\t%s\n",
+ gpio_get_value(mmc_slot(host).gpio_cirq) ?
+ "high" : "low");
+ }
+ seq_printf(s, "pm suspends\t%d\n", host->pm_suspend_ct);
+ spin_unlock_irqrestore(&host->irq_lock, flags);
+ }
if (host->suspended) {
seq_printf(s, "host suspended, can't read registers\n");
@@ -1776,7 +1794,7 @@ static int omap_hsmmc_regs_show(struct seq_file *s, void *data)
}
pm_runtime_get_sync(host->dev);
-
+ seq_printf(s, "\nregs:\n");
seq_printf(s, "CON:\t\t0x%08x\n",
OMAP_HSMMC_READ(host->base, CON));
seq_printf(s, "HCTL:\t\t0x%08x\n",
@@ -1951,6 +1969,7 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
host->slot_id = 0;
host->sdio_irq_en = false;
host->active_pinmux = true;
+ host->pm_suspend_ct = 0;
host->mapbase = res->start + pdata->reg_offset;
host->base = ioremap(host->mapbase, SZ_4K);
host->power_mode = MMC_POWER_OFF;
@@ -2389,6 +2408,8 @@ static int omap_hsmmc_runtime_suspend(struct device *dev)
if (mmc_slot(host).sdio_irq && host->pinctrl) {
spin_lock_irqsave(&host->irq_lock, flags);
host->active_pinmux = false;
+ host->pm_suspend_ct++;
+
OMAP_HSMMC_WRITE(host->base, ISE, 0);
OMAP_HSMMC_WRITE(host->base, IE, 0);
OMAP_HSMMC_WRITE(host->base, STAT, STAT_CLEAR);
--
1.7.10.4
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