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spi: npcm: Modify pspi send function

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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>
This commit is contained in:
Tomer Maimon 2018-12-04 15:40:35 +02:00 committed by Mark Brown
parent 194276b073
commit 1fa33be36c
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GPG key ID: 24D68B725D5487D0
1 changed files with 14 additions and 6 deletions
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20
drivers/spi/spi-npcm-pspi.c
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@ -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)