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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>
This commit is contained in:
Andreas Fenkart 2014-05-29 10:28:01 +02:00 committed by Ulf Hansson
parent 2cd3a2a546
commit bb0635f0b4
1 changed files with 14 additions and 3 deletions
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17
drivers/mmc/host/omap_hsmmc.c
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@ -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");
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",