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authorJeff Garzik <jgarzik@pobox.com>2006-02-18 00:20:30 +0300
committerJeff Garzik <jgarzik@pobox.com>2006-02-18 00:20:30 +0300
commitb04a92e1601eb6df3a3b6599e7fb7ee021eef2cb (patch)
treef190980d5bffae81a67c0cea0d913ed2444ceb0c /drivers/mmc/mmci.c
parent70c07e02625ec46d0ffbfce1acef42d660803528 (diff)
parentf5e2a7b22e7d7dfda8794906d0fddeaaa09bb944 (diff)
downloadlinux-b04a92e1601eb6df3a3b6599e7fb7ee021eef2cb.tar.xz
Merge branch 'upstream-fixes'
Diffstat (limited to 'drivers/mmc/mmci.c')
-rw-r--r--drivers/mmc/mmci.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mmc/mmci.c b/drivers/mmc/mmci.c
index 37ee7f8dc82f..9fef29d978b5 100644
--- a/drivers/mmc/mmci.c
+++ b/drivers/mmc/mmci.c
@@ -97,6 +97,13 @@ static void mmci_start_data(struct mmci_host *host, struct mmc_data *data)
if (data->flags & MMC_DATA_READ) {
datactrl |= MCI_DPSM_DIRECTION;
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 (host->size < MCI_FIFOSIZE)
+ irqmask |= MCI_RXDATAAVLBLMASK;
} else {
/*
* We don't actually need to include "FIFO empty" here