mmc: sdhci: push card_tasklet into threaded irq handler

There's no requirement to have the card tasklet separate now that we
have a threaded interrupt handler, so kill this and move the called
code into the threaded part of the handler.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Markus Pargmann <mpa@pengutronix.de>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <chris@printf.net>
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 4a0622d5..8def391 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2128,15 +2128,6 @@
  *                                                                           *
 \*****************************************************************************/
 
-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));
-}
-
 static void sdhci_tasklet_finish(unsigned long param)
 {
 	struct sdhci_host *host;
@@ -2477,7 +2468,10 @@
 
 			sdhci_writel(host, intmask & (SDHCI_INT_CARD_INSERT |
 				     SDHCI_INT_CARD_REMOVE), SDHCI_INT_STATUS);
-			tasklet_schedule(&host->card_tasklet);
+
+			host->thread_isr |= intmask & (SDHCI_INT_CARD_INSERT |
+						       SDHCI_INT_CARD_REMOVE);
+			result = IRQ_WAKE_THREAD;
 		}
 
 		if (intmask & SDHCI_INT_CMD_MASK)
@@ -2534,6 +2528,11 @@
 	host->thread_isr = 0;
 	spin_unlock_irqrestore(&host->lock, flags);
 
+	if (isr & (SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE)) {
+		sdhci_card_event(host->mmc);
+		mmc_detect_change(host->mmc, msecs_to_jiffies(200));
+	}
+
 	if (isr & SDHCI_INT_CARD_INT) {
 		sdio_run_irqs(host->mmc);
 
@@ -3224,8 +3223,6 @@
 	/*
 	 * Init tasklets.
 	 */
-	tasklet_init(&host->card_tasklet,
-		sdhci_tasklet_card, (unsigned long)host);
 	tasklet_init(&host->finish_tasklet,
 		sdhci_tasklet_finish, (unsigned long)host);
 
@@ -3290,7 +3287,6 @@
 	free_irq(host->irq, host);
 #endif
 untasklet:
-	tasklet_kill(&host->card_tasklet);
 	tasklet_kill(&host->finish_tasklet);
 
 	return ret;
@@ -3334,7 +3330,6 @@
 
 	del_timer_sync(&host->timer);
 
-	tasklet_kill(&host->card_tasklet);
 	tasklet_kill(&host->finish_tasklet);
 
 	if (host->vmmc) {