diff options
| -rw-r--r-- | drivers/mmc/host/mmci.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 2563792c01d..bde170d8f72 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -224,10 +224,11 @@ static void mmci_start_data(struct mmci_host *host, struct mmc_data *data) irqmask = MCI_RXFIFOHALFFULLMASK; /* - * If we have less than a FIFOSIZE of bytes to transfer, - * trigger a PIO interrupt as soon as any data is available. + * If we have less than the fifo 'half-full' threshold to + * transfer, trigger a PIO interrupt as soon as any data + * is available. */ - if (host->size < variant->fifosize) + if (host->size < variant->fifohalfsize) irqmask |= MCI_RXDATAAVLBLMASK; } else { /* @@ -502,10 +503,10 @@ static irqreturn_t mmci_pio_irq(int irq, void *dev_id) local_irq_restore(flags); /* - * If we're nearing the end of the read, switch to - * "any data available" mode. + * If we have less than the fifo 'half-full' threshold to transfer, + * trigger a PIO interrupt as soon as any data is available. */ - if (status & MCI_RXACTIVE && host->size < variant->fifosize) + if (status & MCI_RXACTIVE && host->size < variant->fifohalfsize) mmci_set_mask1(host, MCI_RXDATAAVLBLMASK); /* |