spi: synquacer: busy variable must be initialized before use

"busy" variable is ORed without being initialized,
must be zeroed before use.

Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Signed-off-by: Satoru Okamoto <okamoto.satoru@socionext.com>
Acked-by: Jassi Brar <jaswinder.singh@linaro.org>

diff --git a/drivers/spi/spi-synquacer.c b/drivers/spi/spi-synquacer.c
index ce558c4..62f85f0 100644 (file)
--- a/drivers/spi/spi-synquacer.c
+++ b/drivers/spi/spi-synquacer.c
@@ -275,7 +275,7 @@ static int synquacer_spi_xfer(struct udevice *dev, unsigned int bitlen,
 {
        struct udevice *bus = dev->parent;
        struct synquacer_spi_priv *priv = dev_get_priv(bus);
-       u32 val, words, busy;
+       u32 val, words, busy = 0;
 
        val = readl(priv->base + FIFOCFG);
        val |= (1 << RX_FLUSH);