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authorAdrian Bunk <bunk@r063144.stusta.swh.mhn.de>2006-03-20 18:30:36 +0100
committerAdrian Bunk <bunk@r063144.stusta.swh.mhn.de>2006-03-20 18:30:36 +0100
commit0f76ee451484d02c7405d92e7bceb39b415abb01 (patch)
tree9722f84281f786ba48971dde057f5171a49969e4 /drivers/mmc/mmci.c
parent01d206a7c1167639f6ca6dac22140fbdca017558 (diff)
parent7705a8792b0fc82fd7d4dd923724606bbfd9fb20 (diff)
Merge with git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
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 634ef53e85a5..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
@@ -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;