ARC: mm: vmalloc sync from kernel to user table to update PMD ...

[linux-2.6-microblaze.git] / drivers / spi / spi-mt65xx.c

diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index 68dca8c..7914255 100644 (file)
--- a/drivers/spi/spi-mt65xx.c
+++ b/drivers/spi/spi-mt65xx.c
@@ -426,24 +426,15 @@ static int mtk_spi_fifo_transfer(struct spi_master *master,
        mtk_spi_prepare_transfer(master, xfer);
        mtk_spi_setup_packet(master);
 
-       cnt = xfer->len / 4;
-       if (xfer->tx_buf)
+       if (xfer->tx_buf) {
+               cnt = xfer->len / 4;
                iowrite32_rep(mdata->base + SPI_TX_DATA_REG, xfer->tx_buf, cnt);
-
-       if (xfer->rx_buf)
-               ioread32_rep(mdata->base + SPI_RX_DATA_REG, xfer->rx_buf, cnt);
-
-       remainder = xfer->len % 4;
-       if (remainder > 0) {
-               reg_val = 0;
-               if (xfer->tx_buf) {
+               remainder = xfer->len % 4;
+               if (remainder > 0) {
+                       reg_val = 0;
                        memcpy(&reg_val, xfer->tx_buf + (cnt * 4), remainder);
                        writel(reg_val, mdata->base + SPI_TX_DATA_REG);
                }
-               if (xfer->rx_buf) {
-                       reg_val = readl(mdata->base + SPI_RX_DATA_REG);
-                       memcpy(xfer->rx_buf + (cnt * 4), &reg_val, remainder);
-               }
        }
 
        mtk_spi_enable_transfer(master);