Messages in this thread Patch in this message | | | From | Andreas Fenkart <> | Subject | [PATCH v3 4/4] mmc: omap_hsmmc: debugfs entries for SDIO IRQ detection and GPIO remuxing. | Date | Sat, 5 Oct 2013 13:17:10 +0200 |
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Update the debugfs related code for the SDIO IRQ support. Note that PSTATE shows current state of data lines, incl. SDIO IRQ pending
Signed-off-by: Andreas Fenkart <afenkart@gmail.com>
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index a8894ee..f7fe06f 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -81,6 +81,7 @@ 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 @@ -1812,6 +1813,22 @@ 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); + unsigned long flags; + + spin_lock_irqsave(&host->irq_lock, flags); + seq_puts(s, "\n"); + seq_printf(s, "sdio irq\t%s\n", ((host->flags & HSMMC_SDIO_IRQ_ENABLED) + ? "enabled" : "disabled")); + if (host->flags & HSMMC_SWAKEUP_QUIRK) { + seq_printf(s, "pinmux config\t%s\n", ((host->flags & + HSMMC_RUNTIME_SUSPENDED) + ? "gpio" : "sdio")); + if (host->flags & HSMMC_RUNTIME_SUSPENDED) + seq_printf(s, "sdio irq pin\t%s\n", + gpio_get_value(mmc_slot(host).gpio_cirq) ? + "high" : "low"); + } + spin_unlock_irqrestore(&host->irq_lock, flags); if (host->suspended) { seq_printf(s, "host suspended, can't read registers\n"); @@ -1819,9 +1836,11 @@ static int omap_hsmmc_regs_show(struct seq_file *s, void *data) } 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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