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Subject[PATCH v1 1/1] spi: npcm: fix uninitialized 'val' warning in receive function
Date
Fix uninitialized 'val' warning receive function, send function
has been modify to be aligned with the receive function.

Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
---
drivers/spi/spi-npcm-pspi.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/spi/spi-npcm-pspi.c b/drivers/spi/spi-npcm-pspi.c
index 6dae91091143..f75df49ab84e 100644
--- a/drivers/spi/spi-npcm-pspi.c
+++ b/drivers/spi/spi-npcm-pspi.c
@@ -199,11 +199,11 @@ 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 (priv->tx_buf && wsize) {
if (wsize == 2)
iowrite16(*priv->tx_buf, NPCM_PSPI_DATA + priv->base);
+ else
+ iowrite8(*priv->tx_buf, NPCM_PSPI_DATA + priv->base);

priv->tx_buf += wsize;
}
@@ -217,11 +217,11 @@ static void npcm_pspi_recv(struct npcm_pspi *priv)
rsize = min(bytes_per_word(priv->bits_per_word), priv->rx_bytes);
priv->rx_bytes -= rsize;

- if (priv->rx_buf) {
- if (rsize == 1)
- val = ioread8(priv->base + NPCM_PSPI_DATA);
+ if (priv->rx_buf && rsize) {
if (rsize == 2)
val = ioread16(priv->base + NPCM_PSPI_DATA);
+ else
+ val = ioread8(priv->base + NPCM_PSPI_DATA);

*priv->rx_buf = val;
priv->rx_buf += rsize;
--
2.14.1
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