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authorAnton Altaparmakov <aia21@cantab.net>2006-02-24 09:06:36 +0000
committerAnton Altaparmakov <aia21@cantab.net>2006-02-24 09:06:36 +0000
commitfab8d6ddf6dee2608869005d45fe97f70e4f5bdd (patch)
treefecf566e03a87b2a44c7f3363ddb5c0d4bebdca7 /drivers/mmc/mmci.c
parent64419d93a5906600af5817ad0cae3c6ecf7fb389 (diff)
parentf52ee1410d563cd409b08822492273a5bc235821 (diff)
Merge branch 'master' of /home/src/linux-2.6/
Diffstat (limited to 'drivers/mmc/mmci.c')
-rw-r--r--drivers/mmc/mmci.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/mmc/mmci.c b/drivers/mmc/mmci.c
index 634ef53e85a50..9fef29d978b5e 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
@@ -124,15 +131,10 @@ mmci_start_command(struct mmci_host *host, struct mmc_command *cmd, u32 c)
}
c |= cmd->opcode | MCI_CPSM_ENABLE;
- switch (cmd->flags & MMC_RSP_MASK) {
- case MMC_RSP_NONE:
- default:
- break;
- case MMC_RSP_LONG:
- c |= MCI_CPSM_LONGRSP;
- case MMC_RSP_SHORT:
+ if (cmd->flags & MMC_RSP_PRESENT) {
+ if (cmd->flags & MMC_RSP_136)
+ c |= MCI_CPSM_LONGRSP;
c |= MCI_CPSM_RESPONSE;
- break;
}
if (/*interrupt*/0)
c |= MCI_CPSM_INTERRUPT;