Merge tag 'dm-4.4-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device...
[firefly-linux-kernel-4.4.55.git] / drivers / spi / spi-atmel.c
index 3fff59ce065f3057f4a1f34a9165b61cd592ee15..aebad36391c93b36658c52222e761366c111216f 100644 (file)
@@ -872,14 +872,7 @@ static int atmel_spi_set_xfer_speed(struct atmel_spi *as,
         * Calculate the lowest divider that satisfies the
         * constraint, assuming div32/fdiv/mbz == 0.
         */
-       if (xfer->speed_hz)
-               scbr = DIV_ROUND_UP(bus_hz, xfer->speed_hz);
-       else
-               /*
-                * This can happend if max_speed is null.
-                * In this case, we set the lowest possible speed
-                */
-               scbr = 0xff;
+       scbr = DIV_ROUND_UP(bus_hz, xfer->speed_hz);
 
        /*
         * If the resulting divider doesn't fit into the
@@ -1301,14 +1294,12 @@ static int atmel_spi_one_transfer(struct spi_master *master,
                return -EINVAL;
        }
 
-       if (xfer->bits_per_word) {
-               asd = spi->controller_state;
-               bits = (asd->csr >> 4) & 0xf;
-               if (bits != xfer->bits_per_word - 8) {
-                       dev_dbg(&spi->dev,
+       asd = spi->controller_state;
+       bits = (asd->csr >> 4) & 0xf;
+       if (bits != xfer->bits_per_word - 8) {
+               dev_dbg(&spi->dev,
                        "you can't yet change bits_per_word in transfers\n");
-                       return -ENOPROTOOPT;
-               }
+               return -ENOPROTOOPT;
        }
 
        /*