[Linux-stm32] [PATCH 11/13] mmc: mmci: mmci_card_busy() from state machine

[Linus Walleij]

If we have a .busy_complete() callback, then the state
machine triggered from the busy detect interrupts will
determine if the busy is complete or not.

Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
---
 drivers/mmc/host/mmci.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 92a49726cf83..2779d4985b63 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -339,6 +339,14 @@ static int mmci_card_busy(struct mmc_host *mmc)
 	unsigned long flags;
 	int busy = 0;
 
+	if (host->ops->busy_complete) {
+		if ((host->busy_state == MMCI_BUSY_IDLE) ||
+		    (host->busy_state == MMCI_BUSY_DONE))
+			return 0;
+		else
+			return 1;
+	}
+
 	spin_lock_irqsave(&host->lock, flags);
 	if (readl(host->base + MMCISTATUS) & host->variant->busy_detect_flag)
 		busy = 1;

-- 
2.39.2