diff options
| author | Tom Rini <trini@konsulko.com> | 2019-04-14 00:03:06 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2019-04-14 00:03:06 -0400 |
| commit | 216800acf1fbf9f498455bf3c92d4513d9a4c681 (patch) | |
| tree | 08ee65c9c73a954c71b6f6051725338f0f23fdcb /drivers/spi/fsl_dspi.c | |
| parent | cf5eebeb18f7790d5030eb94f51fca0ebcd6e406 (diff) | |
| parent | 59aea29a31869ed0fd5ffc4b95050db966fcaf6d (diff) | |
Merge branch 'master' of git://git.denx.de/u-boot-spi
Conflicts:
arch/arm/dts/armada-385-amc.dts
arch/arm/dts/armada-xp-theadorable.dts
arch/arm/dts/stm32mp157c-ev1-u-boot.dtsi
Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'drivers/spi/fsl_dspi.c')
| -rw-r--r-- | drivers/spi/fsl_dspi.c | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/drivers/spi/fsl_dspi.c b/drivers/spi/fsl_dspi.c index 764c94215e7..a68a51945e4 100644 --- a/drivers/spi/fsl_dspi.c +++ b/drivers/spi/fsl_dspi.c @@ -273,7 +273,18 @@ static int dspi_xfer(struct fsl_dspi_priv *priv, uint cs, unsigned int bitlen, if (len > 1) { int tmp_len = len - 1; while (tmp_len--) { - if (dout != NULL) { + if ((dout != NULL) && (din != NULL)) { + if (priv->charbit == 16) { + dspi_tx(priv, ctrl, *spi_wr16++); + *spi_rd16++ = dspi_rx(priv); + } + else { + dspi_tx(priv, ctrl, *spi_wr++); + *spi_rd++ = dspi_rx(priv); + } + } + + else if (dout != NULL) { if (priv->charbit == 16) dspi_tx(priv, ctrl, *spi_wr16++); else @@ -281,7 +292,7 @@ static int dspi_xfer(struct fsl_dspi_priv *priv, uint cs, unsigned int bitlen, dspi_rx(priv); } - if (din != NULL) { + else if (din != NULL) { dspi_tx(priv, ctrl, DSPI_IDLE_VAL); if (priv->charbit == 16) *spi_rd16++ = dspi_rx(priv); @@ -297,7 +308,18 @@ static int dspi_xfer(struct fsl_dspi_priv *priv, uint cs, unsigned int bitlen, ctrl &= ~DSPI_TFR_CONT; if (len) { - if (dout != NULL) { + if ((dout != NULL) && (din != NULL)) { + if (priv->charbit == 16) { + dspi_tx(priv, ctrl, *spi_wr16++); + *spi_rd16++ = dspi_rx(priv); + } + else { + dspi_tx(priv, ctrl, *spi_wr++); + *spi_rd++ = dspi_rx(priv); + } + } + + else if (dout != NULL) { if (priv->charbit == 16) dspi_tx(priv, ctrl, *spi_wr16); else @@ -305,7 +327,7 @@ static int dspi_xfer(struct fsl_dspi_priv *priv, uint cs, unsigned int bitlen, dspi_rx(priv); } - if (din != NULL) { + else if (din != NULL) { dspi_tx(priv, ctrl, DSPI_IDLE_VAL); if (priv->charbit == 16) *spi_rd16 = dspi_rx(priv); |