diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index 72e12bad14b9..d0d5542efc06 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -376,9 +376,6 @@ static void pump_transfers(unsigned long data)
 	chip = dws->cur_chip;
 	spi = message->spi;
 
-	if (unlikely(!chip->clk_div))
-		chip->clk_div = dws->max_freq / chip->speed_hz;
-
 	if (message->state == ERROR_STATE) {
 		message->status = -EIO;
 		goto early_exit;
@@ -419,7 +416,7 @@ static void pump_transfers(unsigned long data)
 	if (transfer->speed_hz) {
 		speed = chip->speed_hz;
 
-		if (transfer->speed_hz != speed) {
+		if ((transfer->speed_hz != speed) || (!chip->clk_div)) {
 			speed = transfer->speed_hz;
 
 			/* clk_div doesn't support odd number */
@@ -581,7 +578,6 @@ static int dw_spi_setup(struct spi_device *spi)
 		dev_err(&spi->dev, "No max speed HZ parameter\n");
 		return -EINVAL;
 	}
-	chip->speed_hz = spi->max_speed_hz;
 
 	chip->tmode = 0; /* Tx & Rx */
 	/* Default SPI mode is SCPOL = 0, SCPH = 0 */
diff --git a/drivers/spi/spi-sirf.c b/drivers/spi/spi-sirf.c
index 39e2c0a55a28..f63de781c729 100644
--- a/drivers/spi/spi-sirf.c
+++ b/drivers/spi/spi-sirf.c
@@ -562,9 +562,9 @@ spi_sirfsoc_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
 
 	sspi->word_width = DIV_ROUND_UP(bits_per_word, 8);
 	txfifo_ctrl = SIRFSOC_SPI_FIFO_THD(SIRFSOC_SPI_FIFO_SIZE / 2) |
-					   sspi->word_width;
+					   (sspi->word_width >> 1);
 	rxfifo_ctrl = SIRFSOC_SPI_FIFO_THD(SIRFSOC_SPI_FIFO_SIZE / 2) |
-					   sspi->word_width;
+					   (sspi->word_width >> 1);
 
 	if (!(spi->mode & SPI_CS_HIGH))
 		regval |= SIRFSOC_SPI_CS_IDLE_STAT;
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index ebcb33df2eb2..50f20f243981 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -615,13 +615,13 @@ static int spi_map_buf(struct spi_master *master, struct device *dev,
 				sg_free_table(sgt);
 				return -ENOMEM;
 			}
-			sg_buf = page_address(vm_page) +
-				((size_t)buf & ~PAGE_MASK);
+			sg_set_page(&sgt->sgl[i], vm_page,
+				    min, offset_in_page(buf));
 		} else {
 			sg_buf = buf;
+			sg_set_buf(&sgt->sgl[i], sg_buf, min);
 		}
 
-		sg_set_buf(&sgt->sgl[i], sg_buf, min);
 
 		buf += min;
 		len -= min;