+
+ if (l & OMAP2_MCSPI_CHCONF_TURBO) {
+
+ if (likely(mcspi_read_cs_reg(spi, OMAP2_MCSPI_CHSTAT0)
+ & OMAP2_MCSPI_CHSTAT_RXS)) {
+ u32 w;
+
+ w = mcspi_read_cs_reg(spi, OMAP2_MCSPI_RX0);
+ if (word_len <= 8)
+ ((u8 *)xfer->rx_buf)[elements++] = w;
+ else if (word_len <= 16)
+ ((u16 *)xfer->rx_buf)[elements++] = w;
+ else /* word_len <= 32 */
+ ((u32 *)xfer->rx_buf)[elements++] = w;
+ } else {
+ dev_err(&spi->dev,
+ "DMA RX penultimate word empty");
+ count -= (word_len <= 8) ? 2 :
+ (word_len <= 16) ? 4 :
+ /* word_len <= 32 */ 8;
+ omap2_mcspi_set_enable(spi, 1);
+ return count;
+ }
+ }
+