spi: orion: Support spi_xfer->word_delay_usecs

Signed-off-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c
index 7f28056..25ea4a9 100644 (file)
--- a/drivers/spi/spi-orion.c
+++ b/drivers/spi/spi-orion.c
@@ -470,6 +470,8 @@ orion_spi_write_read(struct spi_device *spi, struct spi_transfer *xfer)
                        if (orion_spi_write_read_8bit(spi, &tx, &rx) < 0)
                                goto out;
                        count--;
+                       if (xfer->word_delay_usecs)
+                               udelay(xfer->word_delay_usecs);
                } while (count);
        } else if (word_len == 16) {
                const u16 *tx = xfer->tx_buf;
@@ -479,6 +481,8 @@ orion_spi_write_read(struct spi_device *spi, struct spi_transfer *xfer)
                        if (orion_spi_write_read_16bit(spi, &tx, &rx) < 0)
                                goto out;
                        count -= 2;
+                       if (xfer->word_delay_usecs)
+                               udelay(xfer->word_delay_usecs);
                } while (count);
        }