mmc: sdhci: implement the .card_event() method
Extracting a part of the SDHCI card tasklet into a .card_event()
implementation allows SDHCI hosts to use generic card-detection
services, e.g. the GPIO slot function.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Reviewed-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index b2e4b1b..6f0bfc0 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1994,30 +1994,11 @@
sdhci_runtime_pm_put(host);
}
-static const struct mmc_host_ops sdhci_ops = {
- .request = sdhci_request,
- .set_ios = sdhci_set_ios,
- .get_ro = sdhci_get_ro,
- .hw_reset = sdhci_hw_reset,
- .enable_sdio_irq = sdhci_enable_sdio_irq,
- .start_signal_voltage_switch = sdhci_start_signal_voltage_switch,
- .execute_tuning = sdhci_execute_tuning,
- .enable_preset_value = sdhci_enable_preset_value,
-};
-
-/*****************************************************************************\
- * *
- * Tasklets *
- * *
-\*****************************************************************************/
-
-static void sdhci_tasklet_card(unsigned long param)
+static void sdhci_card_event(struct mmc_host *mmc)
{
- struct sdhci_host *host;
+ struct sdhci_host *host = mmc_priv(mmc);
unsigned long flags;
- host = (struct sdhci_host*)param;
-
spin_lock_irqsave(&host->lock, flags);
/* Check host->mrq first in case we are runtime suspended */
@@ -2036,6 +2017,31 @@
}
spin_unlock_irqrestore(&host->lock, flags);
+}
+
+static const struct mmc_host_ops sdhci_ops = {
+ .request = sdhci_request,
+ .set_ios = sdhci_set_ios,
+ .get_ro = sdhci_get_ro,
+ .hw_reset = sdhci_hw_reset,
+ .enable_sdio_irq = sdhci_enable_sdio_irq,
+ .start_signal_voltage_switch = sdhci_start_signal_voltage_switch,
+ .execute_tuning = sdhci_execute_tuning,
+ .enable_preset_value = sdhci_enable_preset_value,
+ .card_event = sdhci_card_event,
+};
+
+/*****************************************************************************\
+ * *
+ * Tasklets *
+ * *
+\*****************************************************************************/
+
+static void sdhci_tasklet_card(unsigned long param)
+{
+ struct sdhci_host *host = (struct sdhci_host*)param;
+
+ sdhci_card_event(host->mmc);
mmc_detect_change(host->mmc, msecs_to_jiffies(200));
}
