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spi: rspi: Add DMA support for RSPI on RZ/A1H

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Enable DMA support for RSPI on r7s72100 (RZ/A1H).

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Geert Uytterhoeven 2014-06-02 15:38:18 +02:00 committed by Mark Brown
parent 4f12b5e529
commit e7fb921d9f
1 changed files with 3 additions and 0 deletions
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3
drivers/spi/spi-rspi.c
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@ -625,6 +625,9 @@ static int rspi_rz_transfer_one(struct spi_master *master,
rspi_rz_receive_init(rspi);
if (master->can_dma && __rspi_can_dma(rspi, xfer))
return rspi_dma_transfer(rspi, &xfer->tx_sg, &xfer->rx_sg);
ret = rspi_pio_transfer(rspi, xfer->tx_buf, xfer->rx_buf, xfer->len);
if (ret < 0)
return ret;