#define DRIVER_NAME "mmci-pl18x"
-#ifdef CONFIG_MMC_DEBUG
#define DBG(host,fmt,args...) \
pr_debug("%s: %s: " fmt, mmc_hostname(host->mmc), __func__ , args)
-#else
-#define DBG(host,fmt,args...) do { } while (0)
-#endif
static unsigned int fmax = 515633;
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