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| author |   Linus Torvalds <torvalds@g5.osdl.org> | 2006-02-17 08:12:08 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-02-17 08:12:08 -0800 |
| commit | 7054ec7f86cada917626c05fe461abccca816d3b (patch) | |
| tree | 5c5e0710e9bce24e6c8b720fc31cfbe6173fac1c /drivers | |
| parent | [PATCH] x86_64: Always pass full number of nodes to NUMA hash computation (diff) | |
| parent | [MMC] mmci: allow small data transfers (diff) | |
| download | linux-dev-7054ec7f86cada917626c05fe461abccca816d3b.tar.xz linux-dev-7054ec7f86cada917626c05fe461abccca816d3b.zip | |
Merge master.kernel.org:/home/rmk/linux-2.6-mmc
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/mmci.c | 7 |
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 |