If we have a .busy_complete() callback, then check if the state machine triggered from the busy detect interrupts is busy: then we are certainly busy. Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> --- ChangeLog v1->v2: - Do this in a safer way that falls back to reading busy status from the hardware if the state machine is NOT busy. --- drivers/mmc/host/mmci.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 9a7f441ec9d6..180a7b719347 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -339,6 +339,12 @@ static int mmci_card_busy(struct mmc_host *mmc) unsigned long flags; int busy = 0; + /* If we are waiting for IRQs we are certainly busy */ + if (host->ops->busy_complete && + host->busy_state != MMCI_BUSY_IDLE && + host->busy_state != MMCI_BUSY_DONE) + return 1; + spin_lock_irqsave(&host->lock, flags); if (readl(host->base + MMCISTATUS) & host->variant->busy_detect_flag) busy = 1; -- 2.39.2
