diff options
| author | Tomer Maimon <tmaimon77@gmail.com> | 2018-12-04 15:40:35 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-12-06 20:23:26 +0000 |
| commit | 1fa33be36cfc8908be951ed56113906f422add50 (patch) | |
| tree | 3c004a10a58eb87d3152d50a3519958f006cc27b /drivers/spi/spi-npcm-pspi.c | |
| parent | 194276b073a10f04b420484bd81fa4dbb3ae0e1e (diff) | |
spi: npcm: Modify pspi send function
Align pspi send function code with the recieve function
code, Also simplify the code a bit with early return.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-npcm-pspi.c')
| -rw-r--r-- | drivers/spi/spi-npcm-pspi.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/spi/spi-npcm-pspi.c b/drivers/spi/spi-npcm-pspi.c index dda91c19af93..e1dca79b9090 100644 --- a/drivers/spi/spi-npcm-pspi.c +++ b/drivers/spi/spi-npcm-pspi.c @@ -199,14 +199,22 @@ static void npcm_pspi_send(struct npcm_pspi *priv) wsize = min(bytes_per_word(priv->bits_per_word), priv->tx_bytes); priv->tx_bytes -= wsize; - if (priv->tx_buf) { - if (wsize == 1) - iowrite8(*priv->tx_buf, NPCM_PSPI_DATA + priv->base); - if (wsize == 2) - iowrite16(*priv->tx_buf, NPCM_PSPI_DATA + priv->base); + if (!priv->tx_buf) + return; - priv->tx_buf += wsize; + switch (wsize) { + case 1: + iowrite8(*priv->tx_buf, NPCM_PSPI_DATA + priv->base); + break; + case 2: + iowrite16(*priv->tx_buf, NPCM_PSPI_DATA + priv->base); + break; + default: + WARN_ON_ONCE(1); + return; } + + priv->tx_buf += wsize; } static void npcm_pspi_recv(struct npcm_pspi *priv) |