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path: root/drivers/spi/spi-armada-3700.c
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Diffstat (limited to 'drivers/spi/spi-armada-3700.c')
-rw-r--r--drivers/spi/spi-armada-3700.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/spi/spi-armada-3700.c b/drivers/spi/spi-armada-3700.c
index 6c7d7a460689..a28702b1fa05 100644
--- a/drivers/spi/spi-armada-3700.c
+++ b/drivers/spi/spi-armada-3700.c
@@ -161,7 +161,7 @@ static void a3700_spi_deactivate_cs(struct a3700_spi *a3700_spi,
}
static int a3700_spi_pin_mode_set(struct a3700_spi *a3700_spi,
- unsigned int pin_mode)
+ unsigned int pin_mode, bool receiving)
{
u32 val;
@@ -177,6 +177,9 @@ static int a3700_spi_pin_mode_set(struct a3700_spi *a3700_spi,
break;
case SPI_NBITS_QUAD:
val |= A3700_SPI_DATA_PIN1;
+ /* RX during address reception uses 4-pin */
+ if (receiving)
+ val |= A3700_SPI_ADDR_PIN;
break;
default:
dev_err(&a3700_spi->master->dev, "wrong pin mode %u", pin_mode);
@@ -653,7 +656,7 @@ static int a3700_spi_transfer_one(struct spi_master *master,
else if (xfer->rx_buf)
nbits = xfer->rx_nbits;
- a3700_spi_pin_mode_set(a3700_spi, nbits);
+ a3700_spi_pin_mode_set(a3700_spi, nbits, xfer->rx_buf ? true : false);
if (xfer->rx_buf) {
/* Set read data length */