On Thu, Aug 20, 2015 at 04:00:59PM +0530, Vignesh R wrote: > - writeb(*txbuf, qspi->base + QSPI_SPI_DATA_REG); > + if (count >= QSPI_WLEN_MAX_BYTES) { > + u32 *txp = (u32 *)txbuf; > + > + data = cpu_to_be32(*txp++); > + writel(data, qspi->base + > + QSPI_SPI_DATA_REG_3); > + data = cpu_to_be32(*txp++); > + writel(data, qspi->base + > + QSPI_SPI_DATA_REG_2); > + data = cpu_to_be32(*txp++); > + writel(data, qspi->base + > + QSPI_SPI_DATA_REG_1); > + data = cpu_to_be32(*txp++); > + writel(data, qspi->base + > + QSPI_SPI_DATA_REG); > + xfer_len = QSPI_WLEN_MAX_BYTES; > + cmd |= QSPI_WLEN(QSPI_WLEN_MAX_BITS); > + } else { > + writeb(*txbuf, qspi->base + QSPI_SPI_DATA_REG); > + cmd = qspi->cmd | QSPI_WR_SNGL; > + xfer_len = wlen; > + cmd |= QSPI_WLEN(wlen); > + }
It's a bit sad that this isn't able to do a Duff's device type thing and only kicks in for the full 128 bit FIFO size, it looks like it could do any number of words.
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